Two parameter texture of nearly bimaximal neutrino mixing

Physical Review D - Particles, Fields, Gravitation and Cosmology

Volumn 62, Issue 9, 2000, Pages 1-5

  Ghosal, Ambar ^a  

^a UNIVERSITY OF SHIZUOKA   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 17044378943     PISSN: 05562821     EISSN: None     Source Type: Journal    
DOI: 10.1103/PhysRevD.62.092001     Document Type: Article

References (70)

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16. V. Barger, S. Pakvasa, T. J. Weiller, and K. Whisnant, Phys. Lett. B 437, 107 (1998); B. C. Allanach, ibid. 450, 182 (1999); D. V. Ahluwalia, Mod. Phys. Lett. A 13, 2249 (1998); I. Stancu and D. V. Ahluwalia, Phys. Lett. B 460, 431 (1999); V. Barger, T. J. Weiller, and K. Whisnant, ibid. 440, 1 (1998); J. Elwood, N. Irges, and P. Ramond, Phys. Rev. Lett. 81, 5064 (1998); E. Ma, Phys. Lett. B 442, 238 (1998); Phys. Rev. Lett. 83, 2514 (1999); G. Alterelli and F. Feruglio, Phys. Lett. B 439, 112 (1998); Y. Nomura and T. Yanagida, Phys. Rev. D 59, 017303 (1999); A. Joshipura, ibid. 60, 053002 (1999); A. S. Joshipura and S. Rindani, Eur. Phys. J. C 14, 85 (2000); K. Oda et al., Phys. Rev. D 59, 055001 (1999); H. Fritzsch and Z. Xing, Phys. Lett. B 440, 313 (1998); J. Ellis et al., Eur. Phys. J. C 9, 389 (1999); A. Joshipura and S. Vempati, Phys. Rev. D 60, 095009 (1999); U. Sarkar, ibid. 59, 037302 (1999); H. Georgi and S. Glashow, ibid. 61, 097301 (2000); A. Baltz, A. S. Goldhaber, and M. Goldhaber, Phys. Rev. Lett. 81, 5730 (1998); M. Jezabek and A. Sumino, Phys. Lett. B 440, 327 (1998); S. Davidson and S. F. King, ibid. 445, 191 (1998); K. Kang, S. K. Kang, C. S. Kim, and S. M. Kim, hep-ph/9808419; S. Mohanty, D. P. Roy, and U. Sarkar, Phys. Lett. B 445, 185 (1998); E. Ma, U. Sarkar, and D. P. Roy, ibid. 444, 391 (1998); B. Brahmachari, Europhys. Lett. 46, 428 (1999); R. N. Mohapatra and S. Nussinov, Phys. Lett. B 441, 299 (1998); Phys. Rev. D 60, 013002 (1999); A. Ghosal, hep-ph/9903497; hep-ph/9905470; R. Barbieri, L. J. Hall, and A. Strumia, Phys. Lett. B 445, 407 (1999); Y. Grossmann, Y. Nir, and Y. Shadmi, J. High Energy Phys. 10, 007 (1998); C. Jarlskog, M. Matsuda, S. Skadhauge, and M. Tanimoto, Phys. Lett. B 449, 240 (1999); C. Giunti, hep-ph/9802201; C. Giunti, Phys. Rev. D 59, 077301 (1999); M. Fukugita, M. Tanimoto, and T. Yanagida, ibid. 57, 4429 (1998); S. K. Kang and C. S. Kim, ibid. 59, 091302 (1999); R. N. Mohapatra, A. Perez-Lorenzana, and C. A. de S. Pires, Phys. Lett. B 474, 355 (2000); A. Aranda, C. D. Carone, and R. F. Lebed, ibid. 474, 170 (2000); H. B. Benaoum and S. Nasri, Phys. Rev. D 60, 113003 (1999); C. H. Albright and S. M. Barr, Phys. Lett. B 461, 218 (1999).
17. V. Barger, S. Pakvasa, T. J. Weiller, and K. Whisnant, Phys. Lett. B 437, 107 (1998); B. C. Allanach, ibid. 450, 182 (1999); D. V. Ahluwalia, Mod. Phys. Lett. A 13, 2249 (1998); I. Stancu and D. V. Ahluwalia, Phys. Lett. B 460, 431 (1999); V. Barger, T. J. Weiller, and K. Whisnant, ibid. 440, 1 (1998); J. Elwood, N. Irges, and P. Ramond, Phys. Rev. Lett. 81, 5064 (1998); E. Ma, Phys. Lett. B 442, 238 (1998); Phys. Rev. Lett. 83, 2514 (1999); G. Alterelli and F. Feruglio, Phys. Lett. B 439, 112 (1998); Y. Nomura and T. Yanagida, Phys. Rev. D 59, 017303 (1999); A. Joshipura, ibid. 60, 053002 (1999); A. S. Joshipura and S. Rindani, Eur. Phys. J. C 14, 85 (2000); K. Oda et al., Phys. Rev. D 59, 055001 (1999); H. Fritzsch and Z. Xing, Phys. Lett. B 440, 313 (1998); J. Ellis et al., Eur. Phys. J. C 9, 389 (1999); A. Joshipura and S. Vempati, Phys. Rev. D 60, 095009 (1999); U. Sarkar, ibid. 59, 037302 (1999); H. Georgi and S. Glashow, ibid. 61, 097301 (2000); A. Baltz, A. S. Goldhaber, and M. Goldhaber, Phys. Rev. Lett. 81, 5730 (1998); M. Jezabek and A. Sumino, Phys. Lett. B 440, 327 (1998); S. Davidson and S. F. King, ibid. 445, 191 (1998); K. Kang, S. K. Kang, C. S. Kim, and S. M. Kim, hep-ph/9808419; S. Mohanty, D. P. Roy, and U. Sarkar, Phys. Lett. B 445, 185 (1998); E. Ma, U. Sarkar, and D. P. Roy, ibid. 444, 391 (1998); B. Brahmachari, Europhys. Lett. 46, 428 (1999); R. N. Mohapatra and S. Nussinov, Phys. Lett. B 441, 299 (1998); Phys. Rev. D 60, 013002 (1999); A. Ghosal, hep-ph/9903497; hep-ph/9905470; R. Barbieri, L. J. Hall, and A. Strumia, Phys. Lett. B 445, 407 (1999); Y. Grossmann, Y. Nir, and Y. Shadmi, J. High Energy Phys. 10, 007 (1998); C. Jarlskog, M. Matsuda, S. Skadhauge, and M. Tanimoto, Phys. Lett. B 449, 240 (1999); C. Giunti, hep-ph/9802201; C. Giunti, Phys. Rev. D 59, 077301 (1999); M. Fukugita, M. Tanimoto, and T. Yanagida, ibid. 57, 4429 (1998); S. K. Kang and C. S. Kim, ibid. 59, 091302 (1999); R. N. Mohapatra, A. Perez-Lorenzana, and C. A. de S. Pires, Phys. Lett. B 474, 355 (2000); A. Aranda, C. D. Carone, and R. F. Lebed, ibid. 474, 170 (2000); H. B. Benaoum and S. Nasri, Phys. Rev. D 60, 113003 (1999); C. H. Albright and S. M. Barr, Phys. Lett. B 461, 218 (1999).
18. V. Barger, S. Pakvasa, T. J. Weiller, and K. Whisnant, Phys. Lett. B 437, 107 (1998); B. C. Allanach, ibid. 450, 182 (1999); D. V. Ahluwalia, Mod. Phys. Lett. A 13, 2249 (1998); I. Stancu and D. V. Ahluwalia, Phys. Lett. B 460, 431 (1999); V. Barger, T. J. Weiller, and K. Whisnant, ibid. 440, 1 (1998); J. Elwood, N. Irges, and P. Ramond, Phys. Rev. Lett. 81, 5064 (1998); E. Ma, Phys. Lett. B 442, 238 (1998); Phys. Rev. Lett. 83, 2514 (1999); G. Alterelli and F. Feruglio, Phys. Lett. B 439, 112 (1998); Y. Nomura and T. Yanagida, Phys. Rev. D 59, 017303 (1999); A. Joshipura, ibid. 60, 053002 (1999); A. S. Joshipura and S. Rindani, Eur. Phys. J. C 14, 85 (2000); K. Oda et al., Phys. Rev. D 59, 055001 (1999); H. Fritzsch and Z. Xing, Phys. Lett. B 440, 313 (1998); J. Ellis et al., Eur. Phys. J. C 9, 389 (1999); A. Joshipura and S. Vempati, Phys. Rev. D 60, 095009 (1999); U. Sarkar, ibid. 59, 037302 (1999); H. Georgi and S. Glashow, ibid. 61, 097301 (2000); A. Baltz, A. S. Goldhaber, and M. Goldhaber, Phys. Rev. Lett. 81, 5730 (1998); M. Jezabek and A. Sumino, Phys. Lett. B 440, 327 (1998); S. Davidson and S. F. King, ibid. 445, 191 (1998); K. Kang, S. K. Kang, C. S. Kim, and S. M. Kim, hep-ph/9808419; S. Mohanty, D. P. Roy, and U. Sarkar, Phys. Lett. B 445, 185 (1998); E. Ma, U. Sarkar, and D. P. Roy, ibid. 444, 391 (1998); B. Brahmachari, Europhys. Lett. 46, 428 (1999); R. N. Mohapatra and S. Nussinov, Phys. Lett. B 441, 299 (1998); Phys. Rev. D 60, 013002 (1999); A. Ghosal, hep-ph/9903497; hep-ph/9905470; R. Barbieri, L. J. Hall, and A. Strumia, Phys. Lett. B 445, 407 (1999); Y. Grossmann, Y. Nir, and Y. Shadmi, J. High Energy Phys. 10, 007 (1998); C. Jarlskog, M. Matsuda, S. Skadhauge, and M. Tanimoto, Phys. Lett. B 449, 240 (1999); C. Giunti, hep-ph/9802201; C. Giunti, Phys. Rev. D 59, 077301 (1999); M. Fukugita, M. Tanimoto, and T. Yanagida, ibid. 57, 4429 (1998); S. K. Kang and C. S. Kim, ibid. 59, 091302 (1999); R. N. Mohapatra, A. Perez-Lorenzana, and C. A. de S. Pires, Phys. Lett. B 474, 355 (2000); A. Aranda, C. D. Carone, and R. F. Lebed, ibid. 474, 170 (2000); H. B. Benaoum and S. Nasri, Phys. Rev. D 60, 113003 (1999); C. H. Albright and S. M. Barr, Phys. Lett. B 461, 218 (1999).
19. V. Barger, S. Pakvasa, T. J. Weiller, and K. Whisnant, Phys. Lett. B 437, 107 (1998); B. C. Allanach, ibid. 450, 182 (1999); D. V. Ahluwalia, Mod. Phys. Lett. A 13, 2249 (1998); I. Stancu and D. V. Ahluwalia, Phys. Lett. B 460, 431 (1999); V. Barger, T. J. Weiller, and K. Whisnant, ibid. 440, 1 (1998); J. Elwood, N. Irges, and P. Ramond, Phys. Rev. Lett. 81, 5064 (1998); E. Ma, Phys. Lett. B 442, 238 (1998); Phys. Rev. Lett. 83, 2514 (1999); G. Alterelli and F. Feruglio, Phys. Lett. B 439, 112 (1998); Y. Nomura and T. Yanagida, Phys. Rev. D 59, 017303 (1999); A. Joshipura, ibid. 60, 053002 (1999); A. S. Joshipura and S. Rindani, Eur. Phys. J. C 14, 85 (2000); K. Oda et al., Phys. Rev. D 59, 055001 (1999); H. Fritzsch and Z. Xing, Phys. Lett. B 440, 313 (1998); J. Ellis et al., Eur. Phys. J. C 9, 389 (1999); A. Joshipura and S. Vempati, Phys. Rev. D 60, 095009 (1999); U. Sarkar, ibid. 59, 037302 (1999); H. Georgi and S. Glashow, ibid. 61, 097301 (2000); A. Baltz, A. S. Goldhaber, and M. Goldhaber, Phys. Rev. Lett. 81, 5730 (1998); M. Jezabek and A. Sumino, Phys. Lett. B 440, 327 (1998); S. Davidson and S. F. King, ibid. 445, 191 (1998); K. Kang, S. K. Kang, C. S. Kim, and S. M. Kim, hep-ph/9808419; S. Mohanty, D. P. Roy, and U. Sarkar, Phys. Lett. B 445, 185 (1998); E. Ma, U. Sarkar, and D. P. Roy, ibid. 444, 391 (1998); B. Brahmachari, Europhys. Lett. 46, 428 (1999); R. N. Mohapatra and S. Nussinov, Phys. Lett. B 441, 299 (1998); Phys. Rev. D 60, 013002 (1999); A. Ghosal, hep-ph/9903497; hep-ph/9905470; R. Barbieri, L. J. Hall, and A. Strumia, Phys. Lett. B 445, 407 (1999); Y. Grossmann, Y. Nir, and Y. Shadmi, J. High Energy Phys. 10, 007 (1998); C. Jarlskog, M. Matsuda, S. Skadhauge, and M. Tanimoto, Phys. Lett. B 449, 240 (1999); C. Giunti, hep-ph/9802201; C. Giunti, Phys. Rev. D 59, 077301 (1999); M. Fukugita, M. Tanimoto, and T. Yanagida, ibid. 57, 4429 (1998); S. K. Kang and C. S. Kim, ibid. 59, 091302 (1999); R. N. Mohapatra, A. Perez-Lorenzana, and C. A. de S. Pires, Phys. Lett. B 474, 355 (2000); A. Aranda, C. D. Carone, and R. F. Lebed, ibid. 474, 170 (2000); H. B. Benaoum and S. Nasri, Phys. Rev. D 60, 113003 (1999); C. H. Albright and S. M. Barr, Phys. Lett. B 461, 218 (1999).
20. V. Barger, S. Pakvasa, T. J. Weiller, and K. Whisnant, Phys. Lett. B 437, 107 (1998); B. C. Allanach, ibid. 450, 182 (1999); D. V. Ahluwalia, Mod. Phys. Lett. A 13, 2249 (1998); I. Stancu and D. V. Ahluwalia, Phys. Lett. B 460, 431 (1999); V. Barger, T. J. Weiller, and K. Whisnant, ibid. 440, 1 (1998); J. Elwood, N. Irges, and P. Ramond, Phys. Rev. Lett. 81, 5064 (1998); E. Ma, Phys. Lett. B 442, 238 (1998); Phys. Rev. Lett. 83, 2514 (1999); G. Alterelli and F. Feruglio, Phys. Lett. B 439, 112 (1998); Y. Nomura and T. Yanagida, Phys. Rev. D 59, 017303 (1999); A. Joshipura, ibid. 60, 053002 (1999); A. S. Joshipura and S. Rindani, Eur. Phys. J. C 14, 85 (2000); K. Oda et al., Phys. Rev. D 59, 055001 (1999); H. Fritzsch and Z. Xing, Phys. Lett. B 440, 313 (1998); J. Ellis et al., Eur. Phys. J. C 9, 389 (1999); A. Joshipura and S. Vempati, Phys. Rev. D 60, 095009 (1999); U. Sarkar, ibid. 59, 037302 (1999); H. Georgi and S. Glashow, ibid. 61, 097301 (2000); A. Baltz, A. S. Goldhaber, and M. Goldhaber, Phys. Rev. Lett. 81, 5730 (1998); M. Jezabek and A. Sumino, Phys. Lett. B 440, 327 (1998); S. Davidson and S. F. King, ibid. 445, 191 (1998); K. Kang, S. K. Kang, C. S. Kim, and S. M. Kim, hep-ph/9808419; S. Mohanty, D. P. Roy, and U. Sarkar, Phys. Lett. B 445, 185 (1998); E. Ma, U. Sarkar, and D. P. Roy, ibid. 444, 391 (1998); B. Brahmachari, Europhys. Lett. 46, 428 (1999); R. N. Mohapatra and S. Nussinov, Phys. Lett. B 441, 299 (1998); Phys. Rev. D 60, 013002 (1999); A. Ghosal, hep-ph/9903497; hep-ph/9905470; R. Barbieri, L. J. Hall, and A. Strumia, Phys. Lett. B 445, 407 (1999); Y. Grossmann, Y. Nir, and Y. Shadmi, J. High Energy Phys. 10, 007 (1998); C. Jarlskog, M. Matsuda, S. Skadhauge, and M. Tanimoto, Phys. Lett. B 449, 240 (1999); C. Giunti, hep-ph/9802201; C. Giunti, Phys. Rev. D 59, 077301 (1999); M. Fukugita, M. Tanimoto, and T. Yanagida, ibid. 57, 4429 (1998); S. K. Kang and C. S. Kim, ibid. 59, 091302 (1999); R. N. Mohapatra, A. Perez-Lorenzana, and C. A. de S. Pires, Phys. Lett. B 474, 355 (2000); A. Aranda, C. D. Carone, and R. F. Lebed, ibid. 474, 170 (2000); H. B. Benaoum and S. Nasri, Phys. Rev. D 60, 113003 (1999); C. H. Albright and S. M. Barr, Phys. Lett. B 461, 218 (1999).
21. V. Barger, S. Pakvasa, T. J. Weiller, and K. Whisnant, Phys. Lett. B 437, 107 (1998); B. C. Allanach, ibid. 450, 182 (1999); D. V. Ahluwalia, Mod. Phys. Lett. A 13, 2249 (1998); I. Stancu and D. V. Ahluwalia, Phys. Lett. B 460, 431 (1999); V. Barger, T. J. Weiller, and K. Whisnant, ibid. 440, 1 (1998); J. Elwood, N. Irges, and P. Ramond, Phys. Rev. Lett. 81, 5064 (1998); E. Ma, Phys. Lett. B 442, 238 (1998); Phys. Rev. Lett. 83, 2514 (1999); G. Alterelli and F. Feruglio, Phys. Lett. B 439, 112 (1998); Y. Nomura and T. Yanagida, Phys. Rev. D 59, 017303 (1999); A. Joshipura, ibid. 60, 053002 (1999); A. S. Joshipura and S. Rindani, Eur. Phys. J. C 14, 85 (2000); K. Oda et al., Phys. Rev. D 59, 055001 (1999); H. Fritzsch and Z. Xing, Phys. Lett. B 440, 313 (1998); J. Ellis et al., Eur. Phys. J. C 9, 389 (1999); A. Joshipura and S. Vempati, Phys. Rev. D 60, 095009 (1999); U. Sarkar, ibid. 59, 037302 (1999); H. Georgi and S. Glashow, ibid. 61, 097301 (2000); A. Baltz, A. S. Goldhaber, and M. Goldhaber, Phys. Rev. Lett. 81, 5730 (1998); M. Jezabek and A. Sumino, Phys. Lett. B 440, 327 (1998); S. Davidson and S. F. King, ibid. 445, 191 (1998); K. Kang, S. K. Kang, C. S. Kim, and S. M. Kim, hep-ph/9808419; S. Mohanty, D. P. Roy, and U. Sarkar, Phys. Lett. B 445, 185 (1998); E. Ma, U. Sarkar, and D. P. Roy, ibid. 444, 391 (1998); B. Brahmachari, Europhys. Lett. 46, 428 (1999); R. N. Mohapatra and S. Nussinov, Phys. Lett. B 441, 299 (1998); Phys. Rev. D 60, 013002 (1999); A. Ghosal, hep-ph/9903497; hep-ph/9905470; R. Barbieri, L. J. Hall, and A. Strumia, Phys. Lett. B 445, 407 (1999); Y. Grossmann, Y. Nir, and Y. Shadmi, J. High Energy Phys. 10, 007 (1998); C. Jarlskog, M. Matsuda, S. Skadhauge, and M. Tanimoto, Phys. Lett. B 449, 240 (1999); C. Giunti, hep-ph/9802201; C. Giunti, Phys. Rev. D 59, 077301 (1999); M. Fukugita, M. Tanimoto, and T. Yanagida, ibid. 57, 4429 (1998); S. K. Kang and C. S. Kim, ibid. 59, 091302 (1999); R. N. Mohapatra, A. Perez-Lorenzana, and C. A. de S. Pires, Phys. Lett. B 474, 355 (2000); A. Aranda, C. D. Carone, and R. F. Lebed, ibid. 474, 170 (2000); H. B. Benaoum and S. Nasri, Phys. Rev. D 60, 113003 (1999); C. H. Albright and S. M. Barr, Phys. Lett. B 461, 218 (1999).
22. V. Barger, S. Pakvasa, T. J. Weiller, and K. Whisnant, Phys. Lett. B 437, 107 (1998); B. C. Allanach, ibid. 450, 182 (1999); D. V. Ahluwalia, Mod. Phys. Lett. A 13, 2249 (1998); I. Stancu and D. V. Ahluwalia, Phys. Lett. B 460, 431 (1999); V. Barger, T. J. Weiller, and K. Whisnant, ibid. 440, 1 (1998); J. Elwood, N. Irges, and P. Ramond, Phys. Rev. Lett. 81, 5064 (1998); E. Ma, Phys. Lett. B 442, 238 (1998); Phys. Rev. Lett. 83, 2514 (1999); G. Alterelli and F. Feruglio, Phys. Lett. B 439, 112 (1998); Y. Nomura and T. Yanagida, Phys. Rev. D 59, 017303 (1999); A. Joshipura, ibid. 60, 053002 (1999); A. S. Joshipura and S. Rindani, Eur. Phys. J. C 14, 85 (2000); K. Oda et al., Phys. Rev. D 59, 055001 (1999); H. Fritzsch and Z. Xing, Phys. Lett. B 440, 313 (1998); J. Ellis et al., Eur. Phys. J. C 9, 389 (1999); A. Joshipura and S. Vempati, Phys. Rev. D 60, 095009 (1999); U. Sarkar, ibid. 59, 037302 (1999); H. Georgi and S. Glashow, ibid. 61, 097301 (2000); A. Baltz, A. S. Goldhaber, and M. Goldhaber, Phys. Rev. Lett. 81, 5730 (1998); M. Jezabek and A. Sumino, Phys. Lett. B 440, 327 (1998); S. Davidson and S. F. King, ibid. 445, 191 (1998); K. Kang, S. K. Kang, C. S. Kim, and S. M. Kim, hep-ph/9808419; S. Mohanty, D. P. Roy, and U. Sarkar, Phys. Lett. B 445, 185 (1998); E. Ma, U. Sarkar, and D. P. Roy, ibid. 444, 391 (1998); B. Brahmachari, Europhys. Lett. 46, 428 (1999); R. N. Mohapatra and S. Nussinov, Phys. Lett. B 441, 299 (1998); Phys. Rev. D 60, 013002 (1999); A. Ghosal, hep-ph/9903497; hep-ph/9905470; R. Barbieri, L. J. Hall, and A. Strumia, Phys. Lett. B 445, 407 (1999); Y. Grossmann, Y. Nir, and Y. Shadmi, J. High Energy Phys. 10, 007 (1998); C. Jarlskog, M. Matsuda, S. Skadhauge, and M. Tanimoto, Phys. Lett. B 449, 240 (1999); C. Giunti, hep-ph/9802201; C. Giunti, Phys. Rev. D 59, 077301 (1999); M. Fukugita, M. Tanimoto, and T. Yanagida, ibid. 57, 4429 (1998); S. K. Kang and C. S. Kim, ibid. 59, 091302 (1999); R. N. Mohapatra, A. Perez-Lorenzana, and C. A. de S. Pires, Phys. Lett. B 474, 355 (2000); A. Aranda, C. D. Carone, and R. F. Lebed, ibid. 474, 170 (2000); H. B. Benaoum and S. Nasri, Phys. Rev. D 60, 113003 (1999); C. H. Albright and S. M. Barr, Phys. Lett. B 461, 218 (1999).
23. V. Barger, S. Pakvasa, T. J. Weiller, and K. Whisnant, Phys. Lett. B 437, 107 (1998); B. C. Allanach, ibid. 450, 182 (1999); D. V. Ahluwalia, Mod. Phys. Lett. A 13, 2249 (1998); I. Stancu and D. V. Ahluwalia, Phys. Lett. B 460, 431 (1999); V. Barger, T. J. Weiller, and K. Whisnant, ibid. 440, 1 (1998); J. Elwood, N. Irges, and P. Ramond, Phys. Rev. Lett. 81, 5064 (1998); E. Ma, Phys. Lett. B 442, 238 (1998); Phys. Rev. Lett. 83, 2514 (1999); G. Alterelli and F. Feruglio, Phys. Lett. B 439, 112 (1998); Y. Nomura and T. Yanagida, Phys. Rev. D 59, 017303 (1999); A. Joshipura, ibid. 60, 053002 (1999); A. S. Joshipura and S. Rindani, Eur. Phys. J. C 14, 85 (2000); K. Oda et al., Phys. Rev. D 59, 055001 (1999); H. Fritzsch and Z. Xing, Phys. Lett. B 440, 313 (1998); J. Ellis et al., Eur. Phys. J. C 9, 389 (1999); A. Joshipura and S. Vempati, Phys. Rev. D 60, 095009 (1999); U. Sarkar, ibid. 59, 037302 (1999); H. Georgi and S. Glashow, ibid. 61, 097301 (2000); A. Baltz, A. S. Goldhaber, and M. Goldhaber, Phys. Rev. Lett. 81, 5730 (1998); M. Jezabek and A. Sumino, Phys. Lett. B 440, 327 (1998); S. Davidson and S. F. King, ibid. 445, 191 (1998); K. Kang, S. K. Kang, C. S. Kim, and S. M. Kim, hep-ph/9808419; S. Mohanty, D. P. Roy, and U. Sarkar, Phys. Lett. B 445, 185 (1998); E. Ma, U. Sarkar, and D. P. Roy, ibid. 444, 391 (1998); B. Brahmachari, Europhys. Lett. 46, 428 (1999); R. N. Mohapatra and S. Nussinov, Phys. Lett. B 441, 299 (1998); Phys. Rev. D 60, 013002 (1999); A. Ghosal, hep-ph/9903497; hep-ph/9905470; R. Barbieri, L. J. Hall, and A. Strumia, Phys. Lett. B 445, 407 (1999); Y. Grossmann, Y. Nir, and Y. Shadmi, J. High Energy Phys. 10, 007 (1998); C. Jarlskog, M. Matsuda, S. Skadhauge, and M. Tanimoto, Phys. Lett. B 449, 240 (1999); C. Giunti, hep-ph/9802201; C. Giunti, Phys. Rev. D 59, 077301 (1999); M. Fukugita, M. Tanimoto, and T. Yanagida, ibid. 57, 4429 (1998); S. K. Kang and C. S. Kim, ibid. 59, 091302 (1999); R. N. Mohapatra, A. Perez-Lorenzana, and C. A. de S. Pires, Phys. Lett. B 474, 355 (2000); A. Aranda, C. D. Carone, and R. F. Lebed, ibid. 474, 170 (2000); H. B. Benaoum and S. Nasri, Phys. Rev. D 60, 113003 (1999); C. H. Albright and S. M. Barr, Phys. Lett. B 461, 218 (1999).
24. V. Barger, S. Pakvasa, T. J. Weiller, and K. Whisnant, Phys. Lett. B 437, 107 (1998); B. C. Allanach, ibid. 450, 182 (1999); D. V. Ahluwalia, Mod. Phys. Lett. A 13, 2249 (1998); I. Stancu and D. V. Ahluwalia, Phys. Lett. B 460, 431 (1999); V. Barger, T. J. Weiller, and K. Whisnant, ibid. 440, 1 (1998); J. Elwood, N. Irges, and P. Ramond, Phys. Rev. Lett. 81, 5064 (1998); E. Ma, Phys. Lett. B 442, 238 (1998); Phys. Rev. Lett. 83, 2514 (1999); G. Alterelli and F. Feruglio, Phys. Lett. B 439, 112 (1998); Y. Nomura and T. Yanagida, Phys. Rev. D 59, 017303 (1999); A. Joshipura, ibid. 60, 053002 (1999); A. S. Joshipura and S. Rindani, Eur. Phys. J. C 14, 85 (2000); K. Oda et al., Phys. Rev. D 59, 055001 (1999); H. Fritzsch and Z. Xing, Phys. Lett. B 440, 313 (1998); J. Ellis et al., Eur. Phys. J. C 9, 389 (1999); A. Joshipura and S. Vempati, Phys. Rev. D 60, 095009 (1999); U. Sarkar, ibid. 59, 037302 (1999); H. Georgi and S. Glashow, ibid. 61, 097301 (2000); A. Baltz, A. S. Goldhaber, and M. Goldhaber, Phys. Rev. Lett. 81, 5730 (1998); M. Jezabek and A. Sumino, Phys. Lett. B 440, 327 (1998); S. Davidson and S. F. King, ibid. 445, 191 (1998); K. Kang, S. K. Kang, C. S. Kim, and S. M. Kim, hep-ph/9808419; S. Mohanty, D. P. Roy, and U. Sarkar, Phys. Lett. B 445, 185 (1998); E. Ma, U. Sarkar, and D. P. Roy, ibid. 444, 391 (1998); B. Brahmachari, Europhys. Lett. 46, 428 (1999); R. N. Mohapatra and S. Nussinov, Phys. Lett. B 441, 299 (1998); Phys. Rev. D 60, 013002 (1999); A. Ghosal, hep-ph/9903497; hep-ph/9905470; R. Barbieri, L. J. Hall, and A. Strumia, Phys. Lett. B 445, 407 (1999); Y. Grossmann, Y. Nir, and Y. Shadmi, J. High Energy Phys. 10, 007 (1998); C. Jarlskog, M. Matsuda, S. Skadhauge, and M. Tanimoto, Phys. Lett. B 449, 240 (1999); C. Giunti, hep-ph/9802201; C. Giunti, Phys. Rev. D 59, 077301 (1999); M. Fukugita, M. Tanimoto, and T. Yanagida, ibid. 57, 4429 (1998); S. K. Kang and C. S. Kim, ibid. 59, 091302 (1999); R. N. Mohapatra, A. Perez-Lorenzana, and C. A. de S. Pires, Phys. Lett. B 474, 355 (2000); A. Aranda, C. D. Carone, and R. F. Lebed, ibid. 474, 170 (2000); H. B. Benaoum and S. Nasri, Phys. Rev. D 60, 113003 (1999); C. H. Albright and S. M. Barr, Phys. Lett. B 461, 218 (1999).
25. V. Barger, S. Pakvasa, T. J. Weiller, and K. Whisnant, Phys. Lett. B 437, 107 (1998); B. C. Allanach, ibid. 450, 182 (1999); D. V. Ahluwalia, Mod. Phys. Lett. A 13, 2249 (1998); I. Stancu and D. V. Ahluwalia, Phys. Lett. B 460, 431 (1999); V. Barger, T. J. Weiller, and K. Whisnant, ibid. 440, 1 (1998); J. Elwood, N. Irges, and P. Ramond, Phys. Rev. Lett. 81, 5064 (1998); E. Ma, Phys. Lett. B 442, 238 (1998); Phys. Rev. Lett. 83, 2514 (1999); G. Alterelli and F. Feruglio, Phys. Lett. B 439, 112 (1998); Y. Nomura and T. Yanagida, Phys. Rev. D 59, 017303 (1999); A. Joshipura, ibid. 60, 053002 (1999); A. S. Joshipura and S. Rindani, Eur. Phys. J. C 14, 85 (2000); K. Oda et al., Phys. Rev. D 59, 055001 (1999); H. Fritzsch and Z. Xing, Phys. Lett. B 440, 313 (1998); J. Ellis et al., Eur. Phys. J. C 9, 389 (1999); A. Joshipura and S. Vempati, Phys. Rev. D 60, 095009 (1999); U. Sarkar, ibid. 59, 037302 (1999); H. Georgi and S. Glashow, ibid. 61, 097301 (2000); A. Baltz, A. S. Goldhaber, and M. Goldhaber, Phys. Rev. Lett. 81, 5730 (1998); M. Jezabek and A. Sumino, Phys. Lett. B 440, 327 (1998); S. Davidson and S. F. King, ibid. 445, 191 (1998); K. Kang, S. K. Kang, C. S. Kim, and S. M. Kim, hep-ph/9808419; S. Mohanty, D. P. Roy, and U. Sarkar, Phys. Lett. B 445, 185 (1998); E. Ma, U. Sarkar, and D. P. Roy, ibid. 444, 391 (1998); B. Brahmachari, Europhys. Lett. 46, 428 (1999); R. N. Mohapatra and S. Nussinov, Phys. Lett. B 441, 299 (1998); Phys. Rev. D 60, 013002 (1999); A. Ghosal, hep-ph/9903497; hep-ph/9905470; R. Barbieri, L. J. Hall, and A. Strumia, Phys. Lett. B 445, 407 (1999); Y. Grossmann, Y. Nir, and Y. Shadmi, J. High Energy Phys. 10, 007 (1998); C. Jarlskog, M. Matsuda, S. Skadhauge, and M. Tanimoto, Phys. Lett. B 449, 240 (1999); C. Giunti, hep-ph/9802201; C. Giunti, Phys. Rev. D 59, 077301 (1999); M. Fukugita, M. Tanimoto, and T. Yanagida, ibid. 57, 4429 (1998); S. K. Kang and C. S. Kim, ibid. 59, 091302 (1999); R. N. Mohapatra, A. Perez-Lorenzana, and C. A. de S. Pires, Phys. Lett. B 474, 355 (2000); A. Aranda, C. D. Carone, and R. F. Lebed, ibid. 474, 170 (2000); H. B. Benaoum and S. Nasri, Phys. Rev. D 60, 113003 (1999); C. H. Albright and S. M. Barr, Phys. Lett. B 461, 218 (1999).
26. V. Barger, S. Pakvasa, T. J. Weiller, and K. Whisnant, Phys. Lett. B 437, 107 (1998); B. C. Allanach, ibid. 450, 182 (1999); D. V. Ahluwalia, Mod. Phys. Lett. A 13, 2249 (1998); I. Stancu and D. V. Ahluwalia, Phys. Lett. B 460, 431 (1999); V. Barger, T. J. Weiller, and K. Whisnant, ibid. 440, 1 (1998); J. Elwood, N. Irges, and P. Ramond, Phys. Rev. Lett. 81, 5064 (1998); E. Ma, Phys. Lett. B 442, 238 (1998); Phys. Rev. Lett. 83, 2514 (1999); G. Alterelli and F. Feruglio, Phys. Lett. B 439, 112 (1998); Y. Nomura and T. Yanagida, Phys. Rev. D 59, 017303 (1999); A. Joshipura, ibid. 60, 053002 (1999); A. S. Joshipura and S. Rindani, Eur. Phys. J. C 14, 85 (2000); K. Oda et al., Phys. Rev. D 59, 055001 (1999); H. Fritzsch and Z. Xing, Phys. Lett. B 440, 313 (1998); J. Ellis et al., Eur. Phys. J. C 9, 389 (1999); A. Joshipura and S. Vempati, Phys. Rev. D 60, 095009 (1999); U. Sarkar, ibid. 59, 037302 (1999); H. Georgi and S. Glashow, ibid. 61, 097301 (2000); A. Baltz, A. S. Goldhaber, and M. Goldhaber, Phys. Rev. Lett. 81, 5730 (1998); M. Jezabek and A. Sumino, Phys. Lett. B 440, 327 (1998); S. Davidson and S. F. King, ibid. 445, 191 (1998); K. Kang, S. K. Kang, C. S. Kim, and S. M. Kim, hep-ph/9808419; S. Mohanty, D. P. Roy, and U. Sarkar, Phys. Lett. B 445, 185 (1998); E. Ma, U. Sarkar, and D. P. Roy, ibid. 444, 391 (1998); B. Brahmachari, Europhys. Lett. 46, 428 (1999); R. N. Mohapatra and S. Nussinov, Phys. Lett. B 441, 299 (1998); Phys. Rev. D 60, 013002 (1999); A. Ghosal, hep-ph/9903497; hep-ph/9905470; R. Barbieri, L. J. Hall, and A. Strumia, Phys. Lett. B 445, 407 (1999); Y. Grossmann, Y. Nir, and Y. Shadmi, J. High Energy Phys. 10, 007 (1998); C. Jarlskog, M. Matsuda, S. Skadhauge, and M. Tanimoto, Phys. Lett. B 449, 240 (1999); C. Giunti, hep-ph/9802201; C. Giunti, Phys. Rev. D 59, 077301 (1999); M. Fukugita, M. Tanimoto, and T. Yanagida, ibid. 57, 4429 (1998); S. K. Kang and C. S. Kim, ibid. 59, 091302 (1999); R. N. Mohapatra, A. Perez-Lorenzana, and C. A. de S. Pires, Phys. Lett. B 474, 355 (2000); A. Aranda, C. D. Carone, and R. F. Lebed, ibid. 474, 170 (2000); H. B. Benaoum and S. Nasri, Phys. Rev. D 60, 113003 (1999); C. H. Albright and S. M. Barr, Phys. Lett. B 461, 218 (1999).
27. V. Barger, S. Pakvasa, T. J. Weiller, and K. Whisnant, Phys. Lett. B 437, 107 (1998); B. C. Allanach, ibid. 450, 182 (1999); D. V. Ahluwalia, Mod. Phys. Lett. A 13, 2249 (1998); I. Stancu and D. V. Ahluwalia, Phys. Lett. B 460, 431 (1999); V. Barger, T. J. Weiller, and K. Whisnant, ibid. 440, 1 (1998); J. Elwood, N. Irges, and P. Ramond, Phys. Rev. Lett. 81, 5064 (1998); E. Ma, Phys. Lett. B 442, 238 (1998); Phys. Rev. Lett. 83, 2514 (1999); G. Alterelli and F. Feruglio, Phys. Lett. B 439, 112 (1998); Y. Nomura and T. Yanagida, Phys. Rev. D 59, 017303 (1999); A. Joshipura, ibid. 60, 053002 (1999); A. S. Joshipura and S. Rindani, Eur. Phys. J. C 14, 85 (2000); K. Oda et al., Phys. Rev. D 59, 055001 (1999); H. Fritzsch and Z. Xing, Phys. Lett. B 440, 313 (1998); J. Ellis et al., Eur. Phys. J. C 9, 389 (1999); A. Joshipura and S. Vempati, Phys. Rev. D 60, 095009 (1999); U. Sarkar, ibid. 59, 037302 (1999); H. Georgi and S. Glashow, ibid. 61, 097301 (2000); A. Baltz, A. S. Goldhaber, and M. Goldhaber, Phys. Rev. Lett. 81, 5730 (1998); M. Jezabek and A. Sumino, Phys. Lett. B 440, 327 (1998); S. Davidson and S. F. King, ibid. 445, 191 (1998); K. Kang, S. K. Kang, C. S. Kim, and S. M. Kim, hep-ph/9808419; S. Mohanty, D. P. Roy, and U. Sarkar, Phys. Lett. B 445, 185 (1998); E. Ma, U. Sarkar, and D. P. Roy, ibid. 444, 391 (1998); B. Brahmachari, Europhys. Lett. 46, 428 (1999); R. N. Mohapatra and S. Nussinov, Phys. Lett. B 441, 299 (1998); Phys. Rev. D 60, 013002 (1999); A. Ghosal, hep-ph/9903497; hep-ph/9905470; R. Barbieri, L. J. Hall, and A. Strumia, Phys. Lett. B 445, 407 (1999); Y. Grossmann, Y. Nir, and Y. Shadmi, J. High Energy Phys. 10, 007 (1998); C. Jarlskog, M. Matsuda, S. Skadhauge, and M. Tanimoto, Phys. Lett. B 449, 240 (1999); C. Giunti, hep-ph/9802201; C. Giunti, Phys. Rev. D 59, 077301 (1999); M. Fukugita, M. Tanimoto, and T. Yanagida, ibid. 57, 4429 (1998); S. K. Kang and C. S. Kim, ibid. 59, 091302 (1999); R. N. Mohapatra, A. Perez-Lorenzana, and C. A. de S. Pires, Phys. Lett. B 474, 355 (2000); A. Aranda, C. D. Carone, and R. F. Lebed, ibid. 474, 170 (2000); H. B. Benaoum and S. Nasri, Phys. Rev. D 60, 113003 (1999); C. H. Albright and S. M. Barr, Phys. Lett. B 461, 218 (1999).
28. V. Barger, S. Pakvasa, T. J. Weiller, and K. Whisnant, Phys. Lett. B 437, 107 (1998); B. C. Allanach, ibid. 450, 182 (1999); D. V. Ahluwalia, Mod. Phys. Lett. A 13, 2249 (1998); I. Stancu and D. V. Ahluwalia, Phys. Lett. B 460, 431 (1999); V. Barger, T. J. Weiller, and K. Whisnant, ibid. 440, 1 (1998); J. Elwood, N. Irges, and P. Ramond, Phys. Rev. Lett. 81, 5064 (1998); E. Ma, Phys. Lett. B 442, 238 (1998); Phys. Rev. Lett. 83, 2514 (1999); G. Alterelli and F. Feruglio, Phys. Lett. B 439, 112 (1998); Y. Nomura and T. Yanagida, Phys. Rev. D 59, 017303 (1999); A. Joshipura, ibid. 60, 053002 (1999); A. S. Joshipura and S. Rindani, Eur. Phys. J. C 14, 85 (2000); K. Oda et al., Phys. Rev. D 59, 055001 (1999); H. Fritzsch and Z. Xing, Phys. Lett. B 440, 313 (1998); J. Ellis et al., Eur. Phys. J. C 9, 389 (1999); A. Joshipura and S. Vempati, Phys. Rev. D 60, 095009 (1999); U. Sarkar, ibid. 59, 037302 (1999); H. Georgi and S. Glashow, ibid. 61, 097301 (2000); A. Baltz, A. S. Goldhaber, and M. Goldhaber, Phys. Rev. Lett. 81, 5730 (1998); M. Jezabek and A. Sumino, Phys. Lett. B 440, 327 (1998); S. Davidson and S. F. King, ibid. 445, 191 (1998); K. Kang, S. K. Kang, C. S. Kim, and S. M. Kim, hep-ph/9808419; S. Mohanty, D. P. Roy, and U. Sarkar, Phys. Lett. B 445, 185 (1998); E. Ma, U. Sarkar, and D. P. Roy, ibid. 444, 391 (1998); B. Brahmachari, Europhys. Lett. 46, 428 (1999); R. N. Mohapatra and S. Nussinov, Phys. Lett. B 441, 299 (1998); Phys. Rev. D 60, 013002 (1999); A. Ghosal, hep-ph/9903497; hep-ph/9905470; R. Barbieri, L. J. Hall, and A. Strumia, Phys. Lett. B 445, 407 (1999); Y. Grossmann, Y. Nir, and Y. Shadmi, J. High Energy Phys. 10, 007 (1998); C. Jarlskog, M. Matsuda, S. Skadhauge, and M. Tanimoto, Phys. Lett. B 449, 240 (1999); C. Giunti, hep-ph/9802201; C. Giunti, Phys. Rev. D 59, 077301 (1999); M. Fukugita, M. Tanimoto, and T. Yanagida, ibid. 57, 4429 (1998); S. K. Kang and C. S. Kim, ibid. 59, 091302 (1999); R. N. Mohapatra, A. Perez-Lorenzana, and C. A. de S. Pires, Phys. Lett. B 474, 355 (2000); A. Aranda, C. D. Carone, and R. F. Lebed, ibid. 474, 170 (2000); H. B. Benaoum and S. Nasri, Phys. Rev. D 60, 113003 (1999); C. H. Albright and S. M. Barr, Phys. Lett. B 461, 218 (1999).
29. V. Barger, S. Pakvasa, T. J. Weiller, and K. Whisnant, Phys. Lett. B 437, 107 (1998); B. C. Allanach, ibid. 450, 182 (1999); D. V. Ahluwalia, Mod. Phys. Lett. A 13, 2249 (1998); I. Stancu and D. V. Ahluwalia, Phys. Lett. B 460, 431 (1999); V. Barger, T. J. Weiller, and K. Whisnant, ibid. 440, 1 (1998); J. Elwood, N. Irges, and P. Ramond, Phys. Rev. Lett. 81, 5064 (1998); E. Ma, Phys. Lett. B 442, 238 (1998); Phys. Rev. Lett. 83, 2514 (1999); G. Alterelli and F. Feruglio, Phys. Lett. B 439, 112 (1998); Y. Nomura and T. Yanagida, Phys. Rev. D 59, 017303 (1999); A. Joshipura, ibid. 60, 053002 (1999); A. S. Joshipura and S. Rindani, Eur. Phys. J. C 14, 85 (2000); K. Oda et al., Phys. Rev. D 59, 055001 (1999); H. Fritzsch and Z. Xing, Phys. Lett. B 440, 313 (1998); J. Ellis et al., Eur. Phys. J. C 9, 389 (1999); A. Joshipura and S. Vempati, Phys. Rev. D 60, 095009 (1999); U. Sarkar, ibid. 59, 037302 (1999); H. Georgi and S. Glashow, ibid. 61, 097301 (2000); A. Baltz, A. S. Goldhaber, and M. Goldhaber, Phys. Rev. Lett. 81, 5730 (1998); M. Jezabek and A. Sumino, Phys. Lett. B 440, 327 (1998); S. Davidson and S. F. King, ibid. 445, 191 (1998); K. Kang, S. K. Kang, C. S. Kim, and S. M. Kim, hep-ph/9808419; S. Mohanty, D. P. Roy, and U. Sarkar, Phys. Lett. B 445, 185 (1998); E. Ma, U. Sarkar, and D. P. Roy, ibid. 444, 391 (1998); B. Brahmachari, Europhys. Lett. 46, 428 (1999); R. N. Mohapatra and S. Nussinov, Phys. Lett. B 441, 299 (1998); Phys. Rev. D 60, 013002 (1999); A. Ghosal, hep-ph/9903497; hep-ph/9905470; R. Barbieri, L. J. Hall, and A. Strumia, Phys. Lett. B 445, 407 (1999); Y. Grossmann, Y. Nir, and Y. Shadmi, J. High Energy Phys. 10, 007 (1998); C. Jarlskog, M. Matsuda, S. Skadhauge, and M. Tanimoto, Phys. Lett. B 449, 240 (1999); C. Giunti, hep-ph/9802201; C. Giunti, Phys. Rev. D 59, 077301 (1999); M. Fukugita, M. Tanimoto, and T. Yanagida, ibid. 57, 4429 (1998); S. K. Kang and C. S. Kim, ibid. 59, 091302 (1999); R. N. Mohapatra, A. Perez-Lorenzana, and C. A. de S. Pires, Phys. Lett. B 474, 355 (2000); A. Aranda, C. D. Carone, and R. F. Lebed, ibid. 474, 170 (2000); H. B. Benaoum and S. Nasri, Phys. Rev. D 60, 113003 (1999); C. H. Albright and S. M. Barr, Phys. Lett. B 461, 218 (1999).
30. V. Barger, S. Pakvasa, T. J. Weiller, and K. Whisnant, Phys. Lett. B 437, 107 (1998); B. C. Allanach, ibid. 450, 182 (1999); D. V. Ahluwalia, Mod. Phys. Lett. A 13, 2249 (1998); I. Stancu and D. V. Ahluwalia, Phys. Lett. B 460, 431 (1999); V. Barger, T. J. Weiller, and K. Whisnant, ibid. 440, 1 (1998); J. Elwood, N. Irges, and P. Ramond, Phys. Rev. Lett. 81, 5064 (1998); E. Ma, Phys. Lett. B 442, 238 (1998); Phys. Rev. Lett. 83, 2514 (1999); G. Alterelli and F. Feruglio, Phys. Lett. B 439, 112 (1998); Y. Nomura and T. Yanagida, Phys. Rev. D 59, 017303 (1999); A. Joshipura, ibid. 60, 053002 (1999); A. S. Joshipura and S. Rindani, Eur. Phys. J. C 14, 85 (2000); K. Oda et al., Phys. Rev. D 59, 055001 (1999); H. Fritzsch and Z. Xing, Phys. Lett. B 440, 313 (1998); J. Ellis et al., Eur. Phys. J. C 9, 389 (1999); A. Joshipura and S. Vempati, Phys. Rev. D 60, 095009 (1999); U. Sarkar, ibid. 59, 037302 (1999); H. Georgi and S. Glashow, ibid. 61, 097301 (2000); A. Baltz, A. S. Goldhaber, and M. Goldhaber, Phys. Rev. Lett. 81, 5730 (1998); M. Jezabek and A. Sumino, Phys. Lett. B 440, 327 (1998); S. Davidson and S. F. King, ibid. 445, 191 (1998); K. Kang, S. K. Kang, C. S. Kim, and S. M. Kim, hep-ph/9808419; S. Mohanty, D. P. Roy, and U. Sarkar, Phys. Lett. B 445, 185 (1998); E. Ma, U. Sarkar, and D. P. Roy, ibid. 444, 391 (1998); B. Brahmachari, Europhys. Lett. 46, 428 (1999); R. N. Mohapatra and S. Nussinov, Phys. Lett. B 441, 299 (1998); Phys. Rev. D 60, 013002 (1999); A. Ghosal, hep-ph/9903497; hep-ph/9905470; R. Barbieri, L. J. Hall, and A. Strumia, Phys. Lett. B 445, 407 (1999); Y. Grossmann, Y. Nir, and Y. Shadmi, J. High Energy Phys. 10, 007 (1998); C. Jarlskog, M. Matsuda, S. Skadhauge, and M. Tanimoto, Phys. Lett. B 449, 240 (1999); C. Giunti, hep-ph/9802201; C. Giunti, Phys. Rev. D 59, 077301 (1999); M. Fukugita, M. Tanimoto, and T. Yanagida, ibid. 57, 4429 (1998); S. K. Kang and C. S. Kim, ibid. 59, 091302 (1999); R. N. Mohapatra, A. Perez-Lorenzana, and C. A. de S. Pires, Phys. Lett. B 474, 355 (2000); A. Aranda, C. D. Carone, and R. F. Lebed, ibid. 474, 170 (2000); H. B. Benaoum and S. Nasri, Phys. Rev. D 60, 113003 (1999); C. H. Albright and S. M. Barr, Phys. Lett. B 461, 218 (1999).
31. V. Barger, S. Pakvasa, T. J. Weiller, and K. Whisnant, Phys. Lett. B 437, 107 (1998); B. C. Allanach, ibid. 450, 182 (1999); D. V. Ahluwalia, Mod. Phys. Lett. A 13, 2249 (1998); I. Stancu and D. V. Ahluwalia, Phys. Lett. B 460, 431 (1999); V. Barger, T. J. Weiller, and K. Whisnant, ibid. 440, 1 (1998); J. Elwood, N. Irges, and P. Ramond, Phys. Rev. Lett. 81, 5064 (1998); E. Ma, Phys. Lett. B 442, 238 (1998); Phys. Rev. Lett. 83, 2514 (1999); G. Alterelli and F. Feruglio, Phys. Lett. B 439, 112 (1998); Y. Nomura and T. Yanagida, Phys. Rev. D 59, 017303 (1999); A. Joshipura, ibid. 60, 053002 (1999); A. S. Joshipura and S. Rindani, Eur. Phys. J. C 14, 85 (2000); K. Oda et al., Phys. Rev. D 59, 055001 (1999); H. Fritzsch and Z. Xing, Phys. Lett. B 440, 313 (1998); J. Ellis et al., Eur. Phys. J. C 9, 389 (1999); A. Joshipura and S. Vempati, Phys. Rev. D 60, 095009 (1999); U. Sarkar, ibid. 59, 037302 (1999); H. Georgi and S. Glashow, ibid. 61, 097301 (2000); A. Baltz, A. S. Goldhaber, and M. Goldhaber, Phys. Rev. Lett. 81, 5730 (1998); M. Jezabek and A. Sumino, Phys. Lett. B 440, 327 (1998); S. Davidson and S. F. King, ibid. 445, 191 (1998); K. Kang, S. K. Kang, C. S. Kim, and S. M. Kim, hep-ph/9808419; S. Mohanty, D. P. Roy, and U. Sarkar, Phys. Lett. B 445, 185 (1998); E. Ma, U. Sarkar, and D. P. Roy, ibid. 444, 391 (1998); B. Brahmachari, Europhys. Lett. 46, 428 (1999); R. N. Mohapatra and S. Nussinov, Phys. Lett. B 441, 299 (1998); Phys. Rev. D 60, 013002 (1999); A. Ghosal, hep-ph/9903497; hep-ph/9905470; R. Barbieri, L. J. Hall, and A. Strumia, Phys. Lett. B 445, 407 (1999); Y. Grossmann, Y. Nir, and Y. Shadmi, J. High Energy Phys. 10, 007 (1998); C. Jarlskog, M. Matsuda, S. Skadhauge, and M. Tanimoto, Phys. Lett. B 449, 240 (1999); C. Giunti, hep-ph/9802201; C. Giunti, Phys. Rev. D 59, 077301 (1999); M. Fukugita, M. Tanimoto, and T. Yanagida, ibid. 57, 4429 (1998); S. K. Kang and C. S. Kim, ibid. 59, 091302 (1999); R. N. Mohapatra, A. Perez-Lorenzana, and C. A. de S. Pires, Phys. Lett. B 474, 355 (2000); A. Aranda, C. D. Carone, and R. F. Lebed, ibid. 474, 170 (2000); H. B. Benaoum and S. Nasri, Phys. Rev. D 60, 113003 (1999); C. H. Albright and S. M. Barr, Phys. Lett. B 461, 218 (1999).
32. V. Barger, S. Pakvasa, T. J. Weiller, and K. Whisnant, Phys. Lett. B 437, 107 (1998); B. C. Allanach, ibid. 450, 182 (1999); D. V. Ahluwalia, Mod. Phys. Lett. A 13, 2249 (1998); I. Stancu and D. V. Ahluwalia, Phys. Lett. B 460, 431 (1999); V. Barger, T. J. Weiller, and K. Whisnant, ibid. 440, 1 (1998); J. Elwood, N. Irges, and P. Ramond, Phys. Rev. Lett. 81, 5064 (1998); E. Ma, Phys. Lett. B 442, 238 (1998); Phys. Rev. Lett. 83, 2514 (1999); G. Alterelli and F. Feruglio, Phys. Lett. B 439, 112 (1998); Y. Nomura and T. Yanagida, Phys. Rev. D 59, 017303 (1999); A. Joshipura, ibid. 60, 053002 (1999); A. S. Joshipura and S. Rindani, Eur. Phys. J. C 14, 85 (2000); K. Oda et al., Phys. Rev. D 59, 055001 (1999); H. Fritzsch and Z. Xing, Phys. Lett. B 440, 313 (1998); J. Ellis et al., Eur. Phys. J. C 9, 389 (1999); A. Joshipura and S. Vempati, Phys. Rev. D 60, 095009 (1999); U. Sarkar, ibid. 59, 037302 (1999); H. Georgi and S. Glashow, ibid. 61, 097301 (2000); A. Baltz, A. S. Goldhaber, and M. Goldhaber, Phys. Rev. Lett. 81, 5730 (1998); M. Jezabek and A. Sumino, Phys. Lett. B 440, 327 (1998); S. Davidson and S. F. King, ibid. 445, 191 (1998); K. Kang, S. K. Kang, C. S. Kim, and S. M. Kim, hep-ph/9808419; S. Mohanty, D. P. Roy, and U. Sarkar, Phys. Lett. B 445, 185 (1998); E. Ma, U. Sarkar, and D. P. Roy, ibid. 444, 391 (1998); B. Brahmachari, Europhys. Lett. 46, 428 (1999); R. N. Mohapatra and S. Nussinov, Phys. Lett. B 441, 299 (1998); Phys. Rev. D 60, 013002 (1999); A. Ghosal, hep-ph/9903497; hep-ph/9905470; R. Barbieri, L. J. Hall, and A. Strumia, Phys. Lett. B 445, 407 (1999); Y. Grossmann, Y. Nir, and Y. Shadmi, J. High Energy Phys. 10, 007 (1998); C. Jarlskog, M. Matsuda, S. Skadhauge, and M. Tanimoto, Phys. Lett. B 449, 240 (1999); C. Giunti, hep-ph/9802201; C. Giunti, Phys. Rev. D 59, 077301 (1999); M. Fukugita, M. Tanimoto, and T. Yanagida, ibid. 57, 4429 (1998); S. K. Kang and C. S. Kim, ibid. 59, 091302 (1999); R. N. Mohapatra, A. Perez-Lorenzana, and C. A. de S. Pires, Phys. Lett. B 474, 355 (2000); A. Aranda, C. D. Carone, and R. F. Lebed, ibid. 474, 170 (2000); H. B. Benaoum and S. Nasri, Phys. Rev. D 60, 113003 (1999); C. H. Albright and S. M. Barr, Phys. Lett. B 461, 218 (1999).
33. V. Barger, S. Pakvasa, T. J. Weiller, and K. Whisnant, Phys. Lett. B 437, 107 (1998); B. C. Allanach, ibid. 450, 182 (1999); D. V. Ahluwalia, Mod. Phys. Lett. A 13, 2249 (1998); I. Stancu and D. V. Ahluwalia, Phys. Lett. B 460, 431 (1999); V. Barger, T. J. Weiller, and K. Whisnant, ibid. 440, 1 (1998); J. Elwood, N. Irges, and P. Ramond, Phys. Rev. Lett. 81, 5064 (1998); E. Ma, Phys. Lett. B 442, 238 (1998); Phys. Rev. Lett. 83, 2514 (1999); G. Alterelli and F. Feruglio, Phys. Lett. B 439, 112 (1998); Y. Nomura and T. Yanagida, Phys. Rev. D 59, 017303 (1999); A. Joshipura, ibid. 60, 053002 (1999); A. S. Joshipura and S. Rindani, Eur. Phys. J. C 14, 85 (2000); K. Oda et al., Phys. Rev. D 59, 055001 (1999); H. Fritzsch and Z. Xing, Phys. Lett. B 440, 313 (1998); J. Ellis et al., Eur. Phys. J. C 9, 389 (1999); A. Joshipura and S. Vempati, Phys. Rev. D 60, 095009 (1999); U. Sarkar, ibid. 59, 037302 (1999); H. Georgi and S. Glashow, ibid. 61, 097301 (2000); A. Baltz, A. S. Goldhaber, and M. Goldhaber, Phys. Rev. Lett. 81, 5730 (1998); M. Jezabek and A. Sumino, Phys. Lett. B 440, 327 (1998); S. Davidson and S. F. King, ibid. 445, 191 (1998); K. Kang, S. K. Kang, C. S. Kim, and S. M. Kim, hep-ph/9808419; S. Mohanty, D. P. Roy, and U. Sarkar, Phys. Lett. B 445, 185 (1998); E. Ma, U. Sarkar, and D. P. Roy, ibid. 444, 391 (1998); B. Brahmachari, Europhys. Lett. 46, 428 (1999); R. N. Mohapatra and S. Nussinov, Phys. Lett. B 441, 299 (1998); Phys. Rev. D 60, 013002 (1999); A. Ghosal, hep-ph/9903497; hep-ph/9905470; R. Barbieri, L. J. Hall, and A. Strumia, Phys. Lett. B 445, 407 (1999); Y. Grossmann, Y. Nir, and Y. Shadmi, J. High Energy Phys. 10, 007 (1998); C. Jarlskog, M. Matsuda, S. Skadhauge, and M. Tanimoto, Phys. Lett. B 449, 240 (1999); C. Giunti, hep-ph/9802201; C. Giunti, Phys. Rev. D 59, 077301 (1999); M. Fukugita, M. Tanimoto, and T. Yanagida, ibid. 57, 4429 (1998); S. K. Kang and C. S. Kim, ibid. 59, 091302 (1999); R. N. Mohapatra, A. Perez-Lorenzana, and C. A. de S. Pires, Phys. Lett. B 474, 355 (2000); A. Aranda, C. D. Carone, and R. F. Lebed, ibid. 474, 170 (2000); H. B. Benaoum and S. Nasri, Phys. Rev. D 60, 113003 (1999); C. H. Albright and S. M. Barr, Phys. Lett. B 461, 218 (1999).
34. V. Barger, S. Pakvasa, T. J. Weiller, and K. Whisnant, Phys. Lett. B 437, 107 (1998); B. C. Allanach, ibid. 450, 182 (1999); D. V. Ahluwalia, Mod. Phys. Lett. A 13, 2249 (1998); I. Stancu and D. V. Ahluwalia, Phys. Lett. B 460, 431 (1999); V. Barger, T. J. Weiller, and K. Whisnant, ibid. 440, 1 (1998); J. Elwood, N. Irges, and P. Ramond, Phys. Rev. Lett. 81, 5064 (1998); E. Ma, Phys. Lett. B 442, 238 (1998); Phys. Rev. Lett. 83, 2514 (1999); G. Alterelli and F. Feruglio, Phys. Lett. B 439, 112 (1998); Y. Nomura and T. Yanagida, Phys. Rev. D 59, 017303 (1999); A. Joshipura, ibid. 60, 053002 (1999); A. S. Joshipura and S. Rindani, Eur. Phys. J. C 14, 85 (2000); K. Oda et al., Phys. Rev. D 59, 055001 (1999); H. Fritzsch and Z. Xing, Phys. Lett. B 440, 313 (1998); J. Ellis et al., Eur. Phys. J. C 9, 389 (1999); A. Joshipura and S. Vempati, Phys. Rev. D 60, 095009 (1999); U. Sarkar, ibid. 59, 037302 (1999); H. Georgi and S. Glashow, ibid. 61, 097301 (2000); A. Baltz, A. S. Goldhaber, and M. Goldhaber, Phys. Rev. Lett. 81, 5730 (1998); M. Jezabek and A. Sumino, Phys. Lett. B 440, 327 (1998); S. Davidson and S. F. King, ibid. 445, 191 (1998); K. Kang, S. K. Kang, C. S. Kim, and S. M. Kim, hep-ph/9808419; S. Mohanty, D. P. Roy, and U. Sarkar, Phys. Lett. B 445, 185 (1998); E. Ma, U. Sarkar, and D. P. Roy, ibid. 444, 391 (1998); B. Brahmachari, Europhys. Lett. 46, 428 (1999); R. N. Mohapatra and S. Nussinov, Phys. Lett. B 441, 299 (1998); Phys. Rev. D 60, 013002 (1999); A. Ghosal, hep-ph/9903497; hep-ph/9905470; R. Barbieri, L. J. Hall, and A. Strumia, Phys. Lett. B 445, 407 (1999); Y. Grossmann, Y. Nir, and Y. Shadmi, J. High Energy Phys. 10, 007 (1998); C. Jarlskog, M. Matsuda, S. Skadhauge, and M. Tanimoto, Phys. Lett. B 449, 240 (1999); C. Giunti, hep-ph/9802201; C. Giunti, Phys. Rev. D 59, 077301 (1999); M. Fukugita, M. Tanimoto, and T. Yanagida, ibid. 57, 4429 (1998); S. K. Kang and C. S. Kim, ibid. 59, 091302 (1999); R. N. Mohapatra, A. Perez-Lorenzana, and C. A. de S. Pires, Phys. Lett. B 474, 355 (2000); A. Aranda, C. D. Carone, and R. F. Lebed, ibid. 474, 170 (2000); H. B. Benaoum and S. Nasri, Phys. Rev. D 60, 113003 (1999); C. H. Albright and S. M. Barr, Phys. Lett. B 461, 218 (1999).
35. V. Barger, S. Pakvasa, T. J. Weiller, and K. Whisnant, Phys. Lett. B 437, 107 (1998); B. C. Allanach, ibid. 450, 182 (1999); D. V. Ahluwalia, Mod. Phys. Lett. A 13, 2249 (1998); I. Stancu and D. V. Ahluwalia, Phys. Lett. B 460, 431 (1999); V. Barger, T. J. Weiller, and K. Whisnant, ibid. 440, 1 (1998); J. Elwood, N. Irges, and P. Ramond, Phys. Rev. Lett. 81, 5064 (1998); E. Ma, Phys. Lett. B 442, 238 (1998); Phys. Rev. Lett. 83, 2514 (1999); G. Alterelli and F. Feruglio, Phys. Lett. B 439, 112 (1998); Y. Nomura and T. Yanagida, Phys. Rev. D 59, 017303 (1999); A. Joshipura, ibid. 60, 053002 (1999); A. S. Joshipura and S. Rindani, Eur. Phys. J. C 14, 85 (2000); K. Oda et al., Phys. Rev. D 59, 055001 (1999); H. Fritzsch and Z. Xing, Phys. Lett. B 440, 313 (1998); J. Ellis et al., Eur. Phys. J. C 9, 389 (1999); A. Joshipura and S. Vempati, Phys. Rev. D 60, 095009 (1999); U. Sarkar, ibid. 59, 037302 (1999); H. Georgi and S. Glashow, ibid. 61, 097301 (2000); A. Baltz, A. S. Goldhaber, and M. Goldhaber, Phys. Rev. Lett. 81, 5730 (1998); M. Jezabek and A. Sumino, Phys. Lett. B 440, 327 (1998); S. Davidson and S. F. King, ibid. 445, 191 (1998); K. Kang, S. K. Kang, C. S. Kim, and S. M. Kim, hep-ph/9808419; S. Mohanty, D. P. Roy, and U. Sarkar, Phys. Lett. B 445, 185 (1998); E. Ma, U. Sarkar, and D. P. Roy, ibid. 444, 391 (1998); B. Brahmachari, Europhys. Lett. 46, 428 (1999); R. N. Mohapatra and S. Nussinov, Phys. Lett. B 441, 299 (1998); Phys. Rev. D 60, 013002 (1999); A. Ghosal, hep-ph/9903497; hep-ph/9905470; R. Barbieri, L. J. Hall, and A. Strumia, Phys. Lett. B 445, 407 (1999); Y. Grossmann, Y. Nir, and Y. Shadmi, J. High Energy Phys. 10, 007 (1998); C. Jarlskog, M. Matsuda, S. Skadhauge, and M. Tanimoto, Phys. Lett. B 449, 240 (1999); C. Giunti, hep-ph/9802201; C. Giunti, Phys. Rev. D 59, 077301 (1999); M. Fukugita, M. Tanimoto, and T. Yanagida, ibid. 57, 4429 (1998); S. K. Kang and C. S. Kim, ibid. 59, 091302 (1999); R. N. Mohapatra, A. Perez-Lorenzana, and C. A. de S. Pires, Phys. Lett. B 474, 355 (2000); A. Aranda, C. D. Carone, and R. F. Lebed, ibid. 474, 170 (2000); H. B. Benaoum and S. Nasri, Phys. Rev. D 60, 113003 (1999); C. H. Albright and S. M. Barr, Phys. Lett. B 461, 218 (1999).
36. V. Barger, S. Pakvasa, T. J. Weiller, and K. Whisnant, Phys. Lett. B 437, 107 (1998); B. C. Allanach, ibid. 450, 182 (1999); D. V. Ahluwalia, Mod. Phys. Lett. A 13, 2249 (1998); I. Stancu and D. V. Ahluwalia, Phys. Lett. B 460, 431 (1999); V. Barger, T. J. Weiller, and K. Whisnant, ibid. 440, 1 (1998); J. Elwood, N. Irges, and P. Ramond, Phys. Rev. Lett. 81, 5064 (1998); E. Ma, Phys. Lett. B 442, 238 (1998); Phys. Rev. Lett. 83, 2514 (1999); G. Alterelli and F. Feruglio, Phys. Lett. B 439, 112 (1998); Y. Nomura and T. Yanagida, Phys. Rev. D 59, 017303 (1999); A. Joshipura, ibid. 60, 053002 (1999); A. S. Joshipura and S. Rindani, Eur. Phys. J. C 14, 85 (2000); K. Oda et al., Phys. Rev. D 59, 055001 (1999); H. Fritzsch and Z. Xing, Phys. Lett. B 440, 313 (1998); J. Ellis et al., Eur. Phys. J. C 9, 389 (1999); A. Joshipura and S. Vempati, Phys. Rev. D 60, 095009 (1999); U. Sarkar, ibid. 59, 037302 (1999); H. Georgi and S. Glashow, ibid. 61, 097301 (2000); A. Baltz, A. S. Goldhaber, and M. Goldhaber, Phys. Rev. Lett. 81, 5730 (1998); M. Jezabek and A. Sumino, Phys. Lett. B 440, 327 (1998); S. Davidson and S. F. King, ibid. 445, 191 (1998); K. Kang, S. K. Kang, C. S. Kim, and S. M. Kim, hep-ph/9808419; S. Mohanty, D. P. Roy, and U. Sarkar, Phys. Lett. B 445, 185 (1998); E. Ma, U. Sarkar, and D. P. Roy, ibid. 444, 391 (1998); B. Brahmachari, Europhys. Lett. 46, 428 (1999); R. N. Mohapatra and S. Nussinov, Phys. Lett. B 441, 299 (1998); Phys. Rev. D 60, 013002 (1999); A. Ghosal, hep-ph/9903497; hep-ph/9905470; R. Barbieri, L. J. Hall, and A. Strumia, Phys. Lett. B 445, 407 (1999); Y. Grossmann, Y. Nir, and Y. Shadmi, J. High Energy Phys. 10, 007 (1998); C. Jarlskog, M. Matsuda, S. Skadhauge, and M. Tanimoto, Phys. Lett. B 449, 240 (1999); C. Giunti, hep-ph/9802201; C. Giunti, Phys. Rev. D 59, 077301 (1999); M. Fukugita, M. Tanimoto, and T. Yanagida, ibid. 57, 4429 (1998); S. K. Kang and C. S. Kim, ibid. 59, 091302 (1999); R. N. Mohapatra, A. Perez-Lorenzana, and C. A. de S. Pires, Phys. Lett. B 474, 355 (2000); A. Aranda, C. D. Carone, and R. F. Lebed, ibid. 474, 170 (2000); H. B. Benaoum and S. Nasri, Phys. Rev. D 60, 113003 (1999); C. H. Albright and S. M. Barr, Phys. Lett. B 461, 218 (1999).
37. V. Barger, S. Pakvasa, T. J. Weiller, and K. Whisnant, Phys. Lett. B 437, 107 (1998); B. C. Allanach, ibid. 450, 182 (1999); D. V. Ahluwalia, Mod. Phys. Lett. A 13, 2249 (1998); I. Stancu and D. V. Ahluwalia, Phys. Lett. B 460, 431 (1999); V. Barger, T. J. Weiller, and K. Whisnant, ibid. 440, 1 (1998); J. Elwood, N. Irges, and P. Ramond, Phys. Rev. Lett. 81, 5064 (1998); E. Ma, Phys. Lett. B 442, 238 (1998); Phys. Rev. Lett. 83, 2514 (1999); G. Alterelli and F. Feruglio, Phys. Lett. B 439, 112 (1998); Y. Nomura and T. Yanagida, Phys. Rev. D 59, 017303 (1999); A. Joshipura, ibid. 60, 053002 (1999); A. S. Joshipura and S. Rindani, Eur. Phys. J. C 14, 85 (2000); K. Oda et al., Phys. Rev. D 59, 055001 (1999); H. Fritzsch and Z. Xing, Phys. Lett. B 440, 313 (1998); J. Ellis et al., Eur. Phys. J. C 9, 389 (1999); A. Joshipura and S. Vempati, Phys. Rev. D 60, 095009 (1999); U. Sarkar, ibid. 59, 037302 (1999); H. Georgi and S. Glashow, ibid. 61, 097301 (2000); A. Baltz, A. S. Goldhaber, and M. Goldhaber, Phys. Rev. Lett. 81, 5730 (1998); M. Jezabek and A. Sumino, Phys. Lett. B 440, 327 (1998); S. Davidson and S. F. King, ibid. 445, 191 (1998); K. Kang, S. K. Kang, C. S. Kim, and S. M. Kim, hep-ph/9808419; S. Mohanty, D. P. Roy, and U. Sarkar, Phys. Lett. B 445, 185 (1998); E. Ma, U. Sarkar, and D. P. Roy, ibid. 444, 391 (1998); B. Brahmachari, Europhys. Lett. 46, 428 (1999); R. N. Mohapatra and S. Nussinov, Phys. Lett. B 441, 299 (1998); Phys. Rev. D 60, 013002 (1999); A. Ghosal, hep-ph/9903497; hep-ph/9905470; R. Barbieri, L. J. Hall, and A. Strumia, Phys. Lett. B 445, 407 (1999); Y. Grossmann, Y. Nir, and Y. Shadmi, J. High Energy Phys. 10, 007 (1998); C. Jarlskog, M. Matsuda, S. Skadhauge, and M. Tanimoto, Phys. Lett. B 449, 240 (1999); C. Giunti, hep-ph/9802201; C. Giunti, Phys. Rev. D 59, 077301 (1999); M. Fukugita, M. Tanimoto, and T. Yanagida, ibid. 57, 4429 (1998); S. K. Kang and C. S. Kim, ibid. 59, 091302 (1999); R. N. Mohapatra, A. Perez-Lorenzana, and C. A. de S. Pires, Phys. Lett. B 474, 355 (2000); A. Aranda, C. D. Carone, and R. F. Lebed, ibid. 474, 170 (2000); H. B. Benaoum and S. Nasri, Phys. Rev. D 60, 113003 (1999); C. H. Albright and S. M. Barr, Phys. Lett. B 461, 218 (1999).
38. V. Barger, S. Pakvasa, T. J. Weiller, and K. Whisnant, Phys. Lett. B 437, 107 (1998); B. C. Allanach, ibid. 450, 182 (1999); D. V. Ahluwalia, Mod. Phys. Lett. A 13, 2249 (1998); I. Stancu and D. V. Ahluwalia, Phys. Lett. B 460, 431 (1999); V. Barger, T. J. Weiller, and K. Whisnant, ibid. 440, 1 (1998); J. Elwood, N. Irges, and P. Ramond, Phys. Rev. Lett. 81, 5064 (1998); E. Ma, Phys. Lett. B 442, 238 (1998); Phys. Rev. Lett. 83, 2514 (1999); G. Alterelli and F. Feruglio, Phys. Lett. B 439, 112 (1998); Y. Nomura and T. Yanagida, Phys. Rev. D 59, 017303 (1999); A. Joshipura, ibid. 60, 053002 (1999); A. S. Joshipura and S. Rindani, Eur. Phys. J. C 14, 85 (2000); K. Oda et al., Phys. Rev. D 59, 055001 (1999); H. Fritzsch and Z. Xing, Phys. Lett. B 440, 313 (1998); J. Ellis et al.,
39. V. Barger, S. Pakvasa, T. J. Weiller, and K. Whisnant, Phys. Lett. B 437, 107 (1998); B. C. Allanach, ibid. 450, 182 (1999); D. V. Ahluwalia, Mod. Phys. Lett. A 13, 2249 (1998); I. Stancu and D. V. Ahluwalia, Phys. Lett. B 460, 431 (1999); V. Barger, T. J. Weiller, and K. Whisnant, ibid. 440, 1 (1998); J. Elwood, N. Irges, and P. Ramond, Phys. Rev. Lett. 81, 5064 (1998); E. Ma, Phys. Lett. B 442, 238 (1998); Phys. Rev. Lett. 83, 2514 (1999); G. Alterelli and F. Feruglio, Phys. Lett. B 439, 112 (1998); Y. Nomura and T. Yanagida, Phys. Rev. D 59, 017303 (1999); A. Joshipura, ibid. 60, 053002 (1999); A. S. Joshipura and S. Rindani, Eur. Phys. J. C 14, 85 (2000); K. Oda et al., Phys. Rev. D 59, 055001 (1999); H. Fritzsch and Z. Xing, Phys. Lett. B 440, 313 (1998); J. Ellis et al., Eur. Phys. J. C 9, 389 (1999); A. Joshipura and S. Vempati, Phys. Rev. D 60, 095009 (1999); U. Sarkar, ibid. 59, 037302 (1999); H. Georgi and S. Glashow, ibid. 61, 097301 (2000); A. Baltz, A. S. Goldhaber, and M. Goldhaber, Phys. Rev. Lett. 81, 5730 (1998); M. Jezabek and A. Sumino, Phys. Lett. B 440, 327 (1998); S. Davidson and S. F. King, ibid. 445, 191 (1998); K. Kang, S. K. Kang, C. S. Kim, and S. M. Kim, hep-ph/9808419; S. Mohanty, D. P. Roy, and U. Sarkar, Phys. Lett. B 445, 185 (1998); E. Ma, U. Sarkar, and D. P. Roy, ibid. 444, 391 (1998); B. Brahmachari, Europhys. Lett. 46, 428 (1999); R. N. Mohapatra and S. Nussinov, Phys. Lett. B 441, 299 (1998); Phys. Rev. D 60, 013002 (1999); A. Ghosal, hep-ph/9903497; hep-ph/9905470; R. Barbieri, L. J. Hall, and A. Strumia, Phys. Lett. B 445, 407 (1999); Y. Grossmann, Y. Nir, and Y. Shadmi, J. High Energy Phys. 10, 007 (1998); C. Jarlskog, M. Matsuda, S. Skadhauge, and M. Tanimoto, Phys. Lett. B 449, 240 (1999); C. Giunti, hep-ph/9802201; C. Giunti, Phys. Rev. D 59, 077301 (1999); M. Fukugita, M. Tanimoto, and T. Yanagida, ibid. 57, 4429 (1998); S. K. Kang and C. S. Kim, ibid. 59, 091302 (1999); R. N. Mohapatra, A. Perez-Lorenzana, and C. A. de S. Pires, Phys. Lett. B 474, 355 (2000); A. Aranda, C. D. Carone, and R. F. Lebed, ibid. 474, 170 (2000); H. B. Benaoum and S. Nasri, Phys. Rev. D 60, 113003 (1999); C. H. Albright and S. M. Barr, Phys. Lett. B 461, 218 (1999).
40. V. Barger, S. Pakvasa, T. J. Weiller, and K. Whisnant, Phys. Lett. B 437, 107 (1998); B. C. Allanach, ibid. 450, 182 (1999); D. V. Ahluwalia, Mod. Phys. Lett. A 13, 2249 (1998); I. Stancu and D. V. Ahluwalia, Phys. Lett. B 460, 431 (1999); V. Barger, T. J. Weiller, and K. Whisnant, ibid. 440, 1 (1998); J. Elwood, N. Irges, and P. Ramond, Phys. Rev. Lett. 81, 5064 (1998); E. Ma, Phys. Lett. B 442, 238 (1998); Phys. Rev. Lett. 83, 2514 (1999); G. Alterelli and F. Feruglio, Phys. Lett. B 439, 112 (1998); Y. Nomura and T. Yanagida, Phys. Rev. D 59, 017303 (1999); A. Joshipura, ibid. 60, 053002 (1999); A. S. Joshipura and S. Rindani, Eur. Phys. J. C 14, 85 (2000); K. Oda et al., Phys. Rev. D 59, 055001 (1999); H. Fritzsch and Z. Xing, Phys. Lett. B 440, 313 (1998); J. Ellis et al., Eur. Phys. J. C 9, 389 (1999); A. Joshipura and S. Vempati, Phys. Rev. D 60, 095009 (1999); U. Sarkar, ibid. 59, 037302 (1999); H. Georgi and S. Glashow, ibid. 61, 097301 (2000); A. Baltz, A. S. Goldhaber, and M. Goldhaber, Phys. Rev. Lett. 81, 5730 (1998); M. Jezabek and A. Sumino, Phys. Lett. B 440, 327 (1998); S. Davidson and S. F. King, ibid. 445, 191 (1998); K. Kang, S. K. Kang, C. S. Kim, and S. M. Kim, hep-ph/9808419; S. Mohanty, D. P. Roy, and U. Sarkar, Phys. Lett. B 445, 185 (1998); E. Ma, U. Sarkar, and D. P. Roy, ibid. 444, 391 (1998); B. Brahmachari, Europhys. Lett. 46, 428 (1999); R. N. Mohapatra and S. Nussinov, Phys. Lett. B 441, 299 (1998); Phys. Rev. D 60, 013002 (1999); A. Ghosal, hep-ph/9903497; hep-ph/9905470; R. Barbieri, L. J. Hall, and A. Strumia, Phys. Lett. B 445, 407 (1999); Y. Grossmann, Y. Nir, and Y. Shadmi, J. High Energy Phys. 10, 007 (1998); C. Jarlskog, M. Matsuda, S. Skadhauge, and M. Tanimoto, Phys. Lett. B 449, 240 (1999); C. Giunti, hep-ph/9802201; C. Giunti, Phys. Rev. D 59, 077301 (1999); M. Fukugita, M. Tanimoto, and T. Yanagida, ibid. 57, 4429 (1998); S. K. Kang and C. S. Kim, ibid. 59, 091302 (1999); R. N. Mohapatra, A. Perez-Lorenzana, and C. A. de S. Pires, Phys. Lett. B 474, 355 (2000); A. Aranda, C. D. Carone, and R. F. Lebed, ibid. 474, 170 (2000); H. B. Benaoum and S. Nasri, Phys. Rev. D 60, 113003 (1999); C. H. Albright and S. M. Barr, Phys. Lett. B 461, 218 (1999).
41. V. Barger, S. Pakvasa, T. J. Weiller, and K. Whisnant, Phys. Lett. B 437, 107 (1998); B. C. Allanach, ibid. 450, 182 (1999); D. V. Ahluwalia, Mod. Phys. Lett. A 13, 2249 (1998); I. Stancu and D. V. Ahluwalia, Phys. Lett. B 460, 431 (1999); V. Barger, T. J. Weiller, and K. Whisnant, ibid. 440, 1 (1998); J. Elwood, N. Irges, and P. Ramond, Phys. Rev. Lett. 81, 5064 (1998); E. Ma, Phys. Lett. B 442, 238 (1998); Phys. Rev. Lett. 83, 2514 (1999); G. Alterelli and F. Feruglio, Phys. Lett. B 439, 112 (1998); Y. Nomura and T. Yanagida, Phys. Rev. D 59, 017303 (1999); A. Joshipura, ibid. 60, 053002 (1999); A. S. Joshipura and S. Rindani, Eur. Phys. J. C 14, 85 (2000); K. Oda et al., Phys. Rev. D 59, 055001 (1999); H. Fritzsch and Z. Xing, Phys. Lett. B 440, 313 (1998); J. Ellis et al., Eur. Phys. J. C 9, 389 (1999); A. Joshipura and S. Vempati, Phys. Rev. D 60, 095009 (1999); U. Sarkar, ibid. 59, 037302 (1999); H. Georgi and S. Glashow, ibid. 61, 097301 (2000); A. Baltz, A. S. Goldhaber, and M. Goldhaber, Phys. Rev. Lett. 81, 5730 (1998); M. Jezabek and A. Sumino, Phys. Lett. B 440, 327 (1998); S. Davidson and S. F. King, ibid. 445, 191 (1998); K. Kang, S. K. Kang, C. S. Kim, and S. M. Kim, hep-ph/9808419; S. Mohanty, D. P. Roy, and U. Sarkar, Phys. Lett. B 445, 185 (1998); E. Ma, U. Sarkar, and D. P. Roy, ibid. 444, 391 (1998); B. Brahmachari, Europhys. Lett. 46, 428 (1999); R. N. Mohapatra and S. Nussinov, Phys. Lett. B 441, 299 (1998); Phys. Rev. D 60, 013002 (1999); A. Ghosal, hep-ph/9903497; hep-ph/9905470; R. Barbieri, L. J. Hall, and A. Strumia, Phys. Lett. B 445, 407 (1999); Y. Grossmann, Y. Nir, and Y. Shadmi, J. High Energy Phys. 10, 007 (1998); C. Jarlskog, M. Matsuda, S. Skadhauge, and M. Tanimoto, Phys. Lett. B 449, 240 (1999); C. Giunti, hep-ph/9802201; C. Giunti, Phys. Rev. D 59, 077301 (1999); M. Fukugita, M. Tanimoto, and T. Yanagida, ibid. 57, 4429 (1998); S. K. Kang and C. S. Kim, ibid. 59, 091302 (1999); R. N. Mohapatra, A. Perez-Lorenzana, and C. A. de S. Pires, Phys. Lett. B 474, 355 (2000); A. Aranda, C. D. Carone, and R. F. Lebed, ibid. 474, 170 (2000); H. B. Benaoum and S. Nasri, Phys. Rev. D 60, 113003 (1999); C. H. Albright and S. M. Barr, Phys. Lett. B 461, 218 (1999).
42. V. Barger, S. Pakvasa, T. J. Weiller, and K. Whisnant, Phys. Lett. B 437, 107 (1998); B. C. Allanach, ibid. 450, 182 (1999); D. V. Ahluwalia, Mod. Phys. Lett. A 13, 2249 (1998); I. Stancu and D. V. Ahluwalia, Phys. Lett. B 460, 431 (1999); V. Barger, T. J. Weiller, and K. Whisnant, ibid. 440, 1 (1998); J. Elwood, N. Irges, and P. Ramond, Phys. Rev. Lett. 81, 5064 (1998); E. Ma, Phys. Lett. B 442, 238 (1998); Phys. Rev. Lett. 83, 2514 (1999); G. Alterelli and F. Feruglio, Phys. Lett. B 439, 112 (1998); Y. Nomura and T. Yanagida, Phys. Rev. D 59, 017303 (1999); A. Joshipura, ibid. 60, 053002 (1999); A. S. Joshipura and S. Rindani, Eur. Phys. J. C 14, 85 (2000); K. Oda et al., Phys. Rev. D 59, 055001 (1999); H. Fritzsch and Z. Xing, Phys. Lett. B 440, 313 (1998); J. Ellis et al., Eur. Phys. J. C 9, 389 (1999); A. Joshipura and S. Vempati, Phys. Rev. D 60, 095009 (1999); U. Sarkar, ibid. 59, 037302 (1999); H. Georgi and S. Glashow, ibid. 61, 097301 (2000); A. Baltz, A. S. Goldhaber, and M. Goldhaber, Phys. Rev. Lett. 81, 5730 (1998); M. Jezabek and A. Sumino, Phys. Lett. B 440, 327 (1998); S. Davidson and S. F. King, ibid. 445, 191 (1998); K. Kang, S. K. Kang, C. S. Kim, and S. M. Kim, hep-ph/9808419; S. Mohanty, D. P. Roy, and U. Sarkar, Phys. Lett. B 445, 185 (1998); E. Ma, U. Sarkar, and D. P. Roy, ibid. 444, 391 (1998); B. Brahmachari, Europhys. Lett. 46, 428 (1999); R. N. Mohapatra and S. Nussinov, Phys. Lett. B 441, 299 (1998); Phys. Rev. D 60, 013002 (1999); A. Ghosal, hep-ph/9903497; hep-ph/9905470; R. Barbieri, L. J. Hall, and A. Strumia, Phys. Lett. B 445, 407 (1999); Y. Grossmann, Y. Nir, and Y. Shadmi, J. High Energy Phys. 10, 007 (1998); C. Jarlskog, M. Matsuda, S. Skadhauge, and M. Tanimoto, Phys. Lett. B 449, 240 (1999); C. Giunti, hep-ph/9802201; C. Giunti, Phys. Rev. D 59, 077301 (1999); M. Fukugita, M. Tanimoto, and T. Yanagida, ibid. 57, 4429 (1998); S. K. Kang and C. S. Kim, ibid. 59, 091302 (1999); R. N. Mohapatra, A. Perez-Lorenzana, and C. A. de S. Pires, Phys. Lett. B 474, 355 (2000); A. Aranda, C. D. Carone, and R. F. Lebed, ibid. 474, 170 (2000); H. B. Benaoum and S. Nasri, Phys. Rev. D 60, 113003 (1999); C. H. Albright and S. M. Barr, Phys. Lett. B 461, 218 (1999).
43. V. Barger, S. Pakvasa, T. J. Weiller, and K. Whisnant, Phys. Lett. B 437, 107 (1998); B. C. Allanach, ibid. 450, 182 (1999); D. V. Ahluwalia, Mod. Phys. Lett. A 13, 2249 (1998); I. Stancu and D. V. Ahluwalia, Phys. Lett. B 460, 431 (1999); V. Barger, T. J. Weiller, and K. Whisnant, ibid. 440, 1 (1998); J. Elwood, N. Irges, and P. Ramond, Phys. Rev. Lett. 81, 5064 (1998); E. Ma, Phys. Lett. B 442, 238 (1998); Phys. Rev. Lett. 83, 2514 (1999); G. Alterelli and F. Feruglio, Phys. Lett. B 439, 112 (1998); Y. Nomura and T. Yanagida, Phys. Rev. D 59, 017303 (1999); A. Joshipura, ibid. 60, 053002 (1999); A. S. Joshipura and S. Rindani, Eur. Phys. J. C 14, 85 (2000); K. Oda et al., Phys. Rev. D 59, 055001 (1999); H. Fritzsch and Z. Xing, Phys. Lett. B 440, 313 (1998); J. Ellis et al., Eur. Phys. J. C 9, 389 (1999); A. Joshipura and S. Vempati, Phys. Rev. D 60, 095009 (1999); U. Sarkar, ibid. 59, 037302 (1999); H. Georgi and S. Glashow, ibid. 61, 097301 (2000); A. Baltz, A. S. Goldhaber, and M. Goldhaber, Phys. Rev. Lett. 81, 5730 (1998); M. Jezabek and A. Sumino, Phys. Lett. B 440, 327 (1998); S. Davidson and S. F. King, ibid. 445, 191 (1998); K. Kang, S. K. Kang, C. S. Kim, and S. M. Kim, hep-ph/9808419; S. Mohanty, D. P. Roy, and U. Sarkar, Phys. Lett. B 445, 185 (1998); E. Ma, U. Sarkar, and D. P. Roy, ibid. 444, 391 (1998); B. Brahmachari, Europhys. Lett. 46, 428 (1999); R. N. Mohapatra and S. Nussinov, Phys. Lett. B 441, 299 (1998); Phys. Rev. D 60, 013002 (1999); A. Ghosal, hep-ph/9903497; hep-ph/9905470; R. Barbieri, L. J. Hall, and A. Strumia, Phys. Lett. B 445, 407 (1999); Y. Grossmann, Y. Nir, and Y. Shadmi, J. High Energy Phys. 10, 007 (1998); C. Jarlskog, M. Matsuda, S. Skadhauge, and M. Tanimoto, Phys. Lett. B 449, 240 (1999); C. Giunti, hep-ph/9802201; C. Giunti, Phys. Rev. D 59, 077301 (1999); M. Fukugita, M. Tanimoto, and T. Yanagida, ibid. 57, 4429 (1998); S. K. Kang and C. S. Kim, ibid. 59, 091302 (1999); R. N. Mohapatra, A. Perez-Lorenzana, and C. A. de S. Pires, Phys. Lett. B 474, 355 (2000); A. Aranda, C. D. Carone, and R. F. Lebed, ibid. 474, 170 (2000); H. B. Benaoum and S. Nasri, Phys. Rev. D 60, 113003 (1999); C. H. Albright and S. M. Barr, Phys. Lett. B 461, 218 (1999).
44. V. Barger, S. Pakvasa, T. J. Weiller, and K. Whisnant, Phys. Lett. B 437, 107 (1998); B. C. Allanach, ibid. 450, 182 (1999); D. V. Ahluwalia, Mod. Phys. Lett. A 13, 2249 (1998); I. Stancu and D. V. Ahluwalia, Phys. Lett. B 460, 431 (1999); V. Barger, T. J. Weiller, and K. Whisnant, ibid. 440, 1 (1998); J. Elwood, N. Irges, and P. Ramond, Phys. Rev. Lett. 81, 5064 (1998); E. Ma, Phys. Lett. B 442, 238 (1998); Phys. Rev. Lett. 83, 2514 (1999); G. Alterelli and F. Feruglio, Phys. Lett. B 439, 112 (1998); Y. Nomura and T. Yanagida, Phys. Rev. D 59, 017303 (1999); A. Joshipura, ibid. 60, 053002 (1999); A. S. Joshipura and S. Rindani, Eur. Phys. J. C 14, 85 (2000); K. Oda et al., Phys. Rev. D 59, 055001 (1999); H. Fritzsch and Z. Xing, Phys. Lett. B 440, 313 (1998); J. Ellis et al., Eur. Phys. J. C 9, 389 (1999); A. Joshipura and S. Vempati, Phys. Rev. D 60, 095009 (1999); U. Sarkar, ibid. 59, 037302 (1999); H. Georgi and S. Glashow, ibid. 61, 097301 (2000); A. Baltz, A. S. Goldhaber, and M. Goldhaber, Phys. Rev. Lett. 81, 5730 (1998); M. Jezabek and A. Sumino, Phys. Lett. B 440, 327 (1998); S. Davidson and S. F. King, ibid. 445, 191 (1998); K. Kang, S. K. Kang, C. S. Kim, and S. M. Kim, hep-ph/9808419; S. Mohanty, D. P. Roy, and U. Sarkar, Phys. Lett. B 445, 185 (1998); E. Ma, U. Sarkar, and D. P. Roy, ibid. 444, 391 (1998); B. Brahmachari, Europhys. Lett. 46, 428 (1999); R. N. Mohapatra and S. Nussinov, Phys. Lett. B 441, 299 (1998); Phys. Rev. D 60, 013002 (1999); A. Ghosal, hep-ph/9903497; hep-ph/9905470; R. Barbieri, L. J. Hall, and A. Strumia, Phys. Lett. B 445, 407 (1999); Y. Grossmann, Y. Nir, and Y. Shadmi, J. High Energy Phys. 10, 007 (1998); C. Jarlskog, M. Matsuda, S. Skadhauge, and M. Tanimoto, Phys. Lett. B 449, 240 (1999); C. Giunti, hep-ph/9802201; C. Giunti, Phys. Rev. D 59, 077301 (1999); M. Fukugita, M. Tanimoto, and T. Yanagida, ibid. 57, 4429 (1998); S. K. Kang and C. S. Kim, ibid. 59, 091302 (1999); R. N. Mohapatra, A. Perez-Lorenzana, and C. A. de S. Pires, Phys. Lett. B 474, 355 (2000); A. Aranda, C. D. Carone, and R. F. Lebed, ibid. 474, 170 (2000); H. B. Benaoum and S. Nasri, Phys. Rev. D 60, 113003 (1999); C. H. Albright and S. M. Barr, Phys. Lett. B 461, 218 (1999).
45. V. Barger, S. Pakvasa, T. J. Weiller, and K. Whisnant, Phys. Lett. B 437, 107 (1998); B. C. Allanach, ibid. 450, 182 (1999); D. V. Ahluwalia, Mod. Phys. Lett. A 13, 2249 (1998); I. Stancu and D. V. Ahluwalia, Phys. Lett. B 460, 431 (1999); V. Barger, T. J. Weiller, and K. Whisnant, ibid. 440, 1 (1998); J. Elwood, N. Irges, and P. Ramond, Phys. Rev. Lett. 81, 5064 (1998); E. Ma, Phys. Lett. B 442, 238 (1998); Phys. Rev. Lett. 83, 2514 (1999); G. Alterelli and F. Feruglio, Phys. Lett. B 439, 112 (1998); Y. Nomura and T. Yanagida, Phys. Rev. D 59, 017303 (1999); A. Joshipura, ibid. 60, 053002 (1999); A. S. Joshipura and S. Rindani, Eur. Phys. J. C 14, 85 (2000); K. Oda et al., Phys. Rev. D 59, 055001 (1999); H. Fritzsch and Z. Xing, Phys. Lett. B 440, 313 (1998); J. Ellis et al., Eur. Phys. J. C 9, 389 (1999); A. Joshipura and S. Vempati, Phys. Rev. D 60, 095009 (1999); U. Sarkar, ibid. 59, 037302 (1999); H. Georgi and S. Glashow, ibid. 61, 097301 (2000); A. Baltz, A. S. Goldhaber, and M. Goldhaber, Phys. Rev. Lett. 81, 5730 (1998); M. Jezabek and A. Sumino, Phys. Lett. B 440, 327 (1998); S. Davidson and S. F. King, ibid. 445, 191 (1998); K. Kang, S. K. Kang, C. S. Kim, and S. M. Kim, hep-ph/9808419; S. Mohanty, D. P. Roy, and U. Sarkar, Phys. Lett. B 445, 185 (1998); E. Ma, U. Sarkar, and D. P. Roy, ibid. 444, 391 (1998); B. Brahmachari, Europhys. Lett. 46, 428 (1999); R. N. Mohapatra and S. Nussinov, Phys. Lett. B 441, 299 (1998); Phys. Rev. D 60, 013002 (1999); A. Ghosal, hep-ph/9903497; hep-ph/9905470; R. Barbieri, L. J. Hall, and A. Strumia, Phys. Lett. B 445, 407 (1999); Y. Grossmann, Y. Nir, and Y. Shadmi, J. High Energy Phys. 10, 007 (1998); C. Jarlskog, M. Matsuda, S. Skadhauge, and M. Tanimoto, Phys. Lett. B 449, 240 (1999); C. Giunti, hep-ph/9802201; C. Giunti, Phys. Rev. D 59, 077301 (1999); M. Fukugita, M. Tanimoto, and T. Yanagida, ibid. 57, 4429 (1998); S. K. Kang and C. S. Kim, ibid. 59, 091302 (1999); R. N. Mohapatra, A. Perez-Lorenzana, and C. A. de S. Pires, Phys. Lett. B 474, 355 (2000); A. Aranda, C. D. Carone, and R. F. Lebed, ibid. 474, 170 (2000); H. B. Benaoum and S. Nasri, Phys. Rev. D 60, 113003 (1999); C. H. Albright and S. M. Barr, Phys. Lett. B 461, 218 (1999).
46. V. Barger, S. Pakvasa, T. J. Weiller, and K. Whisnant, Phys. Lett. B 437, 107 (1998); B. C. Allanach, ibid. 450, 182 (1999); D. V. Ahluwalia, Mod. Phys. Lett. A 13, 2249 (1998); I. Stancu and D. V. Ahluwalia, Phys. Lett. B 460, 431 (1999); V. Barger, T. J. Weiller, and K. Whisnant, ibid. 440, 1 (1998); J. Elwood, N. Irges, and P. Ramond, Phys. Rev. Lett. 81, 5064 (1998); E. Ma, Phys. Lett. B 442, 238 (1998); Phys. Rev. Lett. 83, 2514 (1999); G. Alterelli and F. Feruglio, Phys. Lett. B 439, 112 (1998); Y. Nomura and T. Yanagida, Phys. Rev. D 59, 017303 (1999); A. Joshipura, ibid. 60, 053002 (1999); A. S. Joshipura and S. Rindani, Eur. Phys. J. C 14, 85 (2000); K. Oda et al., Phys. Rev. D 59, 055001 (1999); H. Fritzsch and Z. Xing, Phys. Lett. B 440, 313 (1998); J. Ellis et al., Eur. Phys. J. C 9, 389 (1999); A. Joshipura and S. Vempati, Phys. Rev. D 60, 095009 (1999); U. Sarkar, ibid. 59, 037302 (1999); H. Georgi and S. Glashow, ibid. 61, 097301 (2000); A. Baltz, A. S. Goldhaber, and M. Goldhaber, Phys. Rev. Lett. 81, 5730 (1998); M. Jezabek and A. Sumino, Phys. Lett. B 440, 327 (1998); S. Davidson and S. F. King, ibid. 445, 191 (1998); K. Kang, S. K. Kang, C. S. Kim, and S. M. Kim, hep-ph/9808419; S. Mohanty, D. P. Roy, and U. Sarkar, Phys. Lett. B 445, 185 (1998); E. Ma, U. Sarkar, and D. P. Roy, ibid. 444, 391 (1998); B. Brahmachari, Europhys. Lett. 46, 428 (1999); R. N. Mohapatra and S. Nussinov, Phys. Lett. B 441, 299 (1998); Phys. Rev. D 60, 013002 (1999); A. Ghosal, hep-ph/9903497; hep-ph/9905470; R. Barbieri, L. J. Hall, and A. Strumia, Phys. Lett. B 445, 407 (1999); Y. Grossmann, Y. Nir, and Y. Shadmi, J. High Energy Phys. 10, 007 (1998); C. Jarlskog, M. Matsuda, S. Skadhauge, and M. Tanimoto, Phys. Lett. B 449, 240 (1999); C. Giunti, hep-ph/9802201; C. Giunti, Phys. Rev. D 59, 077301 (1999); M. Fukugita, M. Tanimoto, and T. Yanagida, ibid. 57, 4429 (1998); S. K. Kang and C. S. Kim, ibid. 59, 091302 (1999); R. N. Mohapatra, A. Perez-Lorenzana, and C. A. de S. Pires, Phys. Lett. B 474, 355 (2000); A. Aranda, C. D. Carone, and R. F. Lebed, ibid. 474, 170 (2000); H. B. Benaoum and S. Nasri, Phys. Rev. D 60, 113003 (1999); C. H. Albright and S. M. Barr, Phys. Lett. B 461, 218 (1999).
47. V. Barger, S. Pakvasa, T. J. Weiller, and K. Whisnant, Phys. Lett. B 437, 107 (1998); B. C. Allanach, ibid. 450, 182 (1999); D. V. Ahluwalia, Mod. Phys. Lett. A 13, 2249 (1998); I. Stancu and D. V. Ahluwalia, Phys. Lett. B 460, 431 (1999); V. Barger, T. J. Weiller, and K. Whisnant, ibid. 440, 1 (1998); J. Elwood, N. Irges, and P. Ramond, Phys. Rev. Lett. 81, 5064 (1998); E. Ma, Phys. Lett. B 442, 238 (1998); Phys. Rev. Lett. 83, 2514 (1999); G. Alterelli and F. Feruglio, Phys. Lett. B 439, 112 (1998); Y. Nomura and T. Yanagida, Phys. Rev. D 59, 017303 (1999); A. Joshipura, ibid. 60, 053002 (1999); A. S. Joshipura and S. Rindani, Eur. Phys. J. C 14, 85 (2000); K. Oda et al., Phys. Rev. D 59, 055001 (1999); H. Fritzsch and Z. Xing, Phys. Lett. B 440, 313 (1998); J. Ellis et al., Eur. Phys. J. C 9, 389 (1999); A. Joshipura and S. Vempati, Phys. Rev. D 60, 095009 (1999); U. Sarkar, ibid. 59, 037302 (1999); H. Georgi and S. Glashow, ibid. 61, 097301 (2000); A. Baltz, A. S. Goldhaber, and M. Goldhaber, Phys. Rev. Lett. 81, 5730 (1998); M. Jezabek and A. Sumino, Phys. Lett. B 440, 327 (1998); S. Davidson and S. F. King, ibid. 445, 191 (1998); K. Kang, S. K. Kang, C. S. Kim, and S. M. Kim, hep-ph/9808419; S. Mohanty, D. P. Roy, and U. Sarkar, Phys. Lett. B 445, 185 (1998); E. Ma, U. Sarkar, and D. P. Roy, ibid. 444, 391 (1998); B. Brahmachari, Europhys. Lett. 46, 428 (1999); R. N. Mohapatra and S. Nussinov, Phys. Lett. B 441, 299 (1998); Phys. Rev. D 60, 013002 (1999); A. Ghosal, hep-ph/9903497; hep-ph/9905470; R. Barbieri, L. J. Hall, and A. Strumia, Phys. Lett. B 445, 407 (1999); Y. Grossmann, Y. Nir, and Y. Shadmi, J. High Energy Phys. 10, 007 (1998); C. Jarlskog, M. Matsuda, S. Skadhauge, and M. Tanimoto, Phys. Lett. B 449, 240 (1999); C. Giunti, hep-ph/9802201; C. Giunti, Phys. Rev. D 59, 077301 (1999); M. Fukugita, M. Tanimoto, and T. Yanagida, ibid. 57, 4429 (1998); S. K. Kang and C. S. Kim, ibid. 59, 091302 (1999); R. N. Mohapatra, A. Perez-Lorenzana, and C. A. de S. Pires, Phys. Lett. B 474, 355 (2000); A. Aranda, C. D. Carone, and R. F. Lebed, ibid. 474, 170 (2000); H. B. Benaoum and S. Nasri, Phys. Rev. D 60, 113003 (1999); C. H. Albright and S. M. Barr, Phys. Lett. B 461, 218 (1999).
48. V. Barger, S. Pakvasa, T. J. Weiller, and K. Whisnant, Phys. Lett. B 437, 107 (1998); B. C. Allanach, ibid. 450, 182 (1999); D. V. Ahluwalia, Mod. Phys. Lett. A 13, 2249 (1998); I. Stancu and D. V. Ahluwalia, Phys. Lett. B 460, 431 (1999); V. Barger, T. J. Weiller, and K. Whisnant, ibid. 440, 1 (1998); J. Elwood, N. Irges, and P. Ramond, Phys. Rev. Lett. 81, 5064 (1998); E. Ma, Phys. Lett. B 442, 238 (1998); Phys. Rev. Lett. 83, 2514 (1999); G. Alterelli and F. Feruglio, Phys. Lett. B 439, 112 (1998); Y. Nomura and T. Yanagida, Phys. Rev. D 59, 017303 (1999); A. Joshipura, ibid. 60, 053002 (1999); A. S. Joshipura and S. Rindani, Eur. Phys. J. C 14, 85 (2000); K. Oda et al., Phys. Rev. D 59, 055001 (1999); H. Fritzsch and Z. Xing, Phys. Lett. B 440, 313 (1998); J. Ellis et al., Eur. Phys. J. C 9, 389 (1999); A. Joshipura and S. Vempati, Phys. Rev. D 60, 095009 (1999); U. Sarkar, ibid. 59, 037302 (1999); H. Georgi and S. Glashow, ibid. 61, 097301 (2000); A. Baltz, A. S. Goldhaber, and M. Goldhaber, Phys. Rev. Lett. 81, 5730 (1998); M. Jezabek and A. Sumino, Phys. Lett. B 440, 327 (1998); S. Davidson and S. F. King, ibid. 445, 191 (1998); K. Kang, S. K. Kang, C. S. Kim, and S. M. Kim, hep-ph/9808419; S. Mohanty, D. P. Roy, and U. Sarkar, Phys. Lett. B 445, 185 (1998); E. Ma, U. Sarkar, and D. P. Roy, ibid. 444, 391 (1998); B. Brahmachari, Europhys. Lett. 46, 428 (1999); R. N. Mohapatra and S. Nussinov, Phys. Lett. B 441, 299 (1998); Phys. Rev. D 60, 013002 (1999); A. Ghosal, hep-ph/9903497; hep-ph/9905470; R. Barbieri, L. J. Hall, and A. Strumia, Phys. Lett. B 445, 407 (1999); Y. Grossmann, Y. Nir, and Y. Shadmi, J. High Energy Phys. 10, 007 (1998); C. Jarlskog, M. Matsuda, S. Skadhauge, and M. Tanimoto, Phys. Lett. B 449, 240 (1999); C. Giunti, hep-ph/9802201; C. Giunti, Phys. Rev. D 59, 077301 (1999); M. Fukugita, M. Tanimoto, and T. Yanagida, ibid. 57, 4429 (1998); S. K. Kang and C. S. Kim, ibid. 59, 091302 (1999); R. N. Mohapatra, A. Perez-Lorenzana, and C. A. de S. Pires, Phys. Lett. B 474, 355 (2000); A. Aranda, C. D. Carone, and R. F. Lebed, ibid. 474, 170 (2000); H. B. Benaoum and S. Nasri, Phys. Rev. D 60, 113003 (1999); C. H. Albright and S. M. Barr, Phys. Lett. B 461, 218 (1999).
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