Small entries of neutrino mass matrices

Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics

Volumn 467, Issue 1-2, 1999, Pages 95-105

  Akhmedov, E Kh ^a,b  

^a INSTITUTO SUPERIOR TÉCNICO   (Portugal)

^b KURCHATOV INSTITUTE   (Russian Federation)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0002467992     PISSN: 03702693     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0370-2693(99)01185-5     Document Type: Article

References (54)

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15. M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D59:113016, 1999; Y. Nomura, T. Yanagida, Phys. Rev. D59:017303, 1999; C.H. Albright, S.M. Barr, Phys. Lett. B452 (1999) 287; hep-ph/9906297; B. Brahmachan, R.N. Mohapatra, Phys. Rev. D58:015003, 1998; G. Altarelli, F. Feruglio, JHEP 9811:021, 1998; Phys. Lett. B451 (1999) 388; Z. Berezhiani, A. Rossi, JHEP 9903:002, 1999; K. Hagiwara, N. Okamura, Nucl. Phys. B548 (1999) 60; K.S. Babu, B. Dutta, R.N. Mohapatra, Phys. Lett. B458 (1999) 93; M. Tanimoto, Phys. Lett. B456 (1999) 220; J.K. Elwood, N. Irges, P. Ramond, Phys. Rev. Lett. 81 (1998) 5064; S. Lola, G.G. Ross, Nucl. Phys. B553 (1999) 81; S.F. King, hep-ph/9904210; C. Wettench, Phys. Lett. B451 (1999) 397; R. Barbien, L.J. Hall, G.L. Kane, G.G. Ross, hep-ph/9901228; Y. Grossman, Y. Nir, Y. Shadmi, JHEP 9810:007, 1998; A. Ghosal, hep-ph/9905470; Yue-Liang Wu, hep-ph/9901320; M. Carena, J. Ellis, S. Lola, C.E.M. Wagner, hep-ph/9906362; W. Buchmuller, D. Delepine, F. Vissani, Phys. Lett. B459 (1999) 171; J.C. Romao, M.A. Diaz, M. Hirsch, W. Porod, J.W. F Valle, hep-ph/9907499; M.A. Diaz, J. Ferrandis, J.C. Romao, J.W.F. Valle,hep-ph/9906343; M. Tanimoto, T. Watan, T. Yanagida, hep-ph/9904338; W. Buchmuller, T. Yanagida, Phys. Lett. B445 (1999) 399; A.Yu. Smirnov, M. Tanimoto, Phys. Rev. D55 (1997) 1665; C. Jarlskog, M. Matsuda, S. Skadhauge, M. Tanimoto, Phys. Lett. B449 (1999) 240; A.S. Joshipura, S.D. Rindani, hep-ph/9907390; M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D57 (1998) 4429; M. Jeżabek, Y. Sumino, Phys. Lett. B440 (1998) 327; ibid. B457 (1999) 139; E. Ma, D.P. Roy, Phys. Rev. D59:097702, 1999; E. Ma, D.P. Roy, U. Sarkar, Phys. Lett. B444 (1998) 391; F. Vissani, JHEP 9811:025, 1998; G. Altarelli, F. Feruglio, I. Masina, hep-ph/9907532; S. Davidson, S.F. King, Phys. Lett. B445 (1998) 191; J. Ellis, G.K. Leontans, S. Lola, D.V. Nanopoulos, Eur. Phys. J. C9 (1999) 389; K.R. Dienes, E. Dudas, T. Gherghetta, hep-ph/9811428; G. Dvali, A.Yu. Smirnov, hep-ph/9904211; R.N. Mohapatra, S. Nandi, A. Perez-Lorenzana, hep-ph/9907520; F. Vissani, hep-ph/9708483; H. Georgi, S.L. Glashow, hep-ph/9808293; G.C. Branco, M.N. Rebelo, J.I. Silva-Marcos, Phys. Rev. Lett. 82 (1999) 683; hep-ph/9906368.
16. M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D59:113016, 1999; Y. Nomura, T. Yanagida, Phys. Rev. D59:017303, 1999; C.H. Albright, S.M. Barr, Phys. Lett. B452 (1999) 287; hep-ph/9906297; B. Brahmachan, R.N. Mohapatra, Phys. Rev. D58:015003, 1998; G. Altarelli, F. Feruglio, JHEP 9811:021, 1998; Phys. Lett. B451 (1999) 388; Z. Berezhiani, A. Rossi, JHEP 9903:002, 1999; K. Hagiwara, N. Okamura, Nucl. Phys. B548 (1999) 60; K.S. Babu, B. Dutta, R.N. Mohapatra, Phys. Lett. B458 (1999) 93; M. Tanimoto, Phys. Lett. B456 (1999) 220; J.K. Elwood, N. Irges, P. Ramond, Phys. Rev. Lett. 81 (1998) 5064; S. Lola, G.G. Ross, Nucl. Phys. B553 (1999) 81; S.F. King, hep-ph/9904210; C. Wettench, Phys. Lett. B451 (1999) 397; R. Barbien, L.J. Hall, G.L. Kane, G.G. Ross, hep-ph/9901228; Y. Grossman, Y. Nir, Y. Shadmi, JHEP 9810:007, 1998; A. Ghosal, hep-ph/9905470; Yue-Liang Wu, hep-ph/9901320; M. Carena, J. Ellis, S. Lola, C.E.M. Wagner, hep-ph/9906362; W. Buchmuller, D. Delepine, F. Vissani, Phys. Lett. B459 (1999) 171; J.C. Romao, M.A. Diaz, M. Hirsch, W. Porod, J.W. F Valle, hep-ph/9907499; M.A. Diaz, J. Ferrandis, J.C. Romao, J.W.F. Valle,hep-ph/9906343; M. Tanimoto, T. Watan, T. Yanagida, hep-ph/9904338; W. Buchmuller, T. Yanagida, Phys. Lett. B445 (1999) 399; A.Yu. Smirnov, M. Tanimoto, Phys. Rev. D55 (1997) 1665; C. Jarlskog, M. Matsuda, S. Skadhauge, M. Tanimoto, Phys. Lett. B449 (1999) 240; A.S. Joshipura, S.D. Rindani, hep-ph/9907390; M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D57 (1998) 4429; M. Jeżabek, Y. Sumino, Phys. Lett. B440 (1998) 327; ibid. B457 (1999) 139; E. Ma, D.P. Roy, Phys. Rev. D59:097702, 1999; E. Ma, D.P. Roy, U. Sarkar, Phys. Lett. B444 (1998) 391; F. Vissani, JHEP 9811:025, 1998; G. Altarelli, F. Feruglio, I. Masina, hep-ph/9907532; S. Davidson, S.F. King, Phys. Lett. B445 (1998) 191; J. Ellis, G.K. Leontans, S. Lola, D.V. Nanopoulos, Eur. Phys. J. C9 (1999) 389; K.R. Dienes, E. Dudas, T. Gherghetta, hep-ph/9811428; G. Dvali, A.Yu. Smirnov, hep-ph/9904211; R.N. Mohapatra, S. Nandi, A. Perez-Lorenzana, hep-ph/9907520; F. Vissani, hep-ph/9708483; H. Georgi, S.L. Glashow, hep-ph/9808293; G.C. Branco, M.N. Rebelo, J.I. Silva-Marcos, Phys. Rev. Lett. 82 (1999) 683; hep-ph/9906368.
17. M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D59:113016, 1999; Y. Nomura, T. Yanagida, Phys. Rev. D59:017303, 1999; C.H. Albright, S.M. Barr, Phys. Lett. B452 (1999) 287; hep-ph/9906297; B. Brahmachan, R.N. Mohapatra, Phys. Rev. D58:015003, 1998; G. Altarelli, F. Feruglio, JHEP 9811:021, 1998; Phys. Lett. B451 (1999) 388; Z. Berezhiani, A. Rossi, JHEP 9903:002, 1999; K. Hagiwara, N. Okamura, Nucl. Phys. B548 (1999) 60; K.S. Babu, B. Dutta, R.N. Mohapatra, Phys. Lett. B458 (1999) 93; M. Tanimoto, Phys. Lett. B456 (1999) 220; J.K. Elwood, N. Irges, P. Ramond, Phys. Rev. Lett. 81 (1998) 5064; S. Lola, G.G. Ross, Nucl. Phys. B553 (1999) 81; S.F. King, hep-ph/9904210; C. Wettench, Phys. Lett. B451 (1999) 397; R. Barbien, L.J. Hall, G.L. Kane, G.G. Ross, hep-ph/9901228; Y. Grossman, Y. Nir, Y. Shadmi, JHEP 9810:007, 1998; A. Ghosal, hep-ph/9905470; Yue-Liang Wu, hep-ph/9901320; M. Carena, J. Ellis, S. Lola, C.E.M. Wagner, hep-ph/9906362; W. Buchmuller, D. Delepine, F. Vissani, Phys. Lett. B459 (1999) 171; J.C. Romao, M.A. Diaz, M. Hirsch, W. Porod, J.W. F Valle, hep-ph/9907499; M.A. Diaz, J. Ferrandis, J.C. Romao, J.W.F. Valle,hep-ph/9906343; M. Tanimoto, T. Watan, T. Yanagida, hep-ph/9904338; W. Buchmuller, T. Yanagida, Phys. Lett. B445 (1999) 399; A.Yu. Smirnov, M. Tanimoto, Phys. Rev. D55 (1997) 1665; C. Jarlskog, M. Matsuda, S. Skadhauge, M. Tanimoto, Phys. Lett. B449 (1999) 240; A.S. Joshipura, S.D. Rindani, hep-ph/9907390; M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D57 (1998) 4429; M. Jeżabek, Y. Sumino, Phys. Lett. B440 (1998) 327; ibid. B457 (1999) 139; E. Ma, D.P. Roy, Phys. Rev. D59:097702, 1999; E. Ma, D.P. Roy, U. Sarkar, Phys. Lett. B444 (1998) 391; F. Vissani, JHEP 9811:025, 1998; G. Altarelli, F. Feruglio, I. Masina, hep-ph/9907532; S. Davidson, S.F. King, Phys. Lett. B445 (1998) 191; J. Ellis, G.K. Leontans, S. Lola, D.V. Nanopoulos, Eur. Phys. J. C9 (1999) 389; K.R. Dienes, E. Dudas, T. Gherghetta, hep-ph/9811428; G. Dvali, A.Yu. Smirnov, hep-ph/9904211; R.N. Mohapatra, S. Nandi, A. Perez-Lorenzana, hep-ph/9907520; F. Vissani, hep-ph/9708483; H. Georgi, S.L. Glashow, hep-ph/9808293; G.C. Branco, M.N. Rebelo, J.I. Silva-Marcos, Phys. Rev. Lett. 82 (1999) 683; hep-ph/9906368.
18. M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D59:113016, 1999; Y. Nomura, T. Yanagida, Phys. Rev. D59:017303, 1999; C.H. Albright, S.M. Barr, Phys. Lett. B452 (1999) 287; hep-ph/9906297; B. Brahmachan, R.N. Mohapatra, Phys. Rev. D58:015003, 1998; G. Altarelli, F. Feruglio, JHEP 9811:021, 1998; Phys. Lett. B451 (1999) 388; Z. Berezhiani, A. Rossi, JHEP 9903:002, 1999; K. Hagiwara, N. Okamura, Nucl. Phys. B548 (1999) 60; K.S. Babu, B. Dutta, R.N. Mohapatra, Phys. Lett. B458 (1999) 93; M. Tanimoto, Phys. Lett. B456 (1999) 220; J.K. Elwood, N. Irges, P. Ramond, Phys. Rev. Lett. 81 (1998) 5064; S. Lola, G.G. Ross, Nucl. Phys. B553 (1999) 81; S.F. King, hep-ph/9904210; C. Wettench, Phys. Lett. B451 (1999) 397; R. Barbien, L.J. Hall, G.L. Kane, G.G. Ross, hep-ph/9901228; Y. Grossman, Y. Nir, Y. Shadmi, JHEP 9810:007, 1998; A. Ghosal, hep-ph/9905470; Yue-Liang Wu, hep-ph/9901320; M. Carena, J. Ellis, S. Lola, C.E.M. Wagner, hep-ph/9906362; W. Buchmuller, D. Delepine, F. Vissani, Phys. Lett. B459 (1999) 171; J.C. Romao, M.A. Diaz, M. Hirsch, W. Porod, J.W. F Valle, hep-ph/9907499; M.A. Diaz, J. Ferrandis, J.C. Romao, J.W.F. Valle,hep-ph/9906343; M. Tanimoto, T. Watan, T. Yanagida, hep-ph/9904338; W. Buchmuller, T. Yanagida, Phys. Lett. B445 (1999) 399; A.Yu. Smirnov, M. Tanimoto, Phys. Rev. D55 (1997) 1665; C. Jarlskog, M. Matsuda, S. Skadhauge, M. Tanimoto, Phys. Lett. B449 (1999) 240; A.S. Joshipura, S.D. Rindani, hep-ph/9907390; M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D57 (1998) 4429; M. Jeżabek, Y. Sumino, Phys. Lett. B440 (1998) 327; ibid. B457 (1999) 139; E. Ma, D.P. Roy, Phys. Rev. D59:097702, 1999; E. Ma, D.P. Roy, U. Sarkar, Phys. Lett. B444 (1998) 391; F. Vissani, JHEP 9811:025, 1998; G. Altarelli, F. Feruglio, I. Masina, hep-ph/9907532; S. Davidson, S.F. King, Phys. Lett. B445 (1998) 191; J. Ellis, G.K. Leontans, S. Lola, D.V. Nanopoulos, Eur. Phys. J. C9 (1999) 389; K.R. Dienes, E. Dudas, T. Gherghetta, hep-ph/9811428; G. Dvali, A.Yu. Smirnov, hep-ph/9904211; R.N. Mohapatra, S. Nandi, A. Perez-Lorenzana, hep-ph/9907520; F. Vissani, hep-ph/9708483; H. Georgi, S.L. Glashow, hep-ph/9808293; G.C. Branco, M.N. Rebelo, J.I. Silva-Marcos, Phys. Rev. Lett. 82 (1999) 683; hep-ph/9906368.
19. M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D59:113016, 1999; Y. Nomura, T. Yanagida, Phys. Rev. D59:017303, 1999; C.H. Albright, S.M. Barr, Phys. Lett. B452 (1999) 287; hep-ph/9906297; B. Brahmachan, R.N. Mohapatra, Phys. Rev. D58:015003, 1998; G. Altarelli, F. Feruglio, JHEP 9811:021, 1998; Phys. Lett. B451 (1999) 388; Z. Berezhiani, A. Rossi, JHEP 9903:002, 1999; K. Hagiwara, N. Okamura, Nucl. Phys. B548 (1999) 60; K.S. Babu, B. Dutta, R.N. Mohapatra, Phys. Lett. B458 (1999) 93; M. Tanimoto, Phys. Lett. B456 (1999) 220; J.K. Elwood, N. Irges, P. Ramond, Phys. Rev. Lett. 81 (1998) 5064; S. Lola, G.G. Ross, Nucl. Phys. B553 (1999) 81; S.F. King, hep-ph/9904210; C. Wettench, Phys. Lett. B451 (1999) 397; R. Barbien, L.J. Hall, G.L. Kane, G.G. Ross, hep-ph/9901228; Y. Grossman, Y. Nir, Y. Shadmi, JHEP 9810:007, 1998; A. Ghosal, hep-ph/9905470; Yue-Liang Wu, hep-ph/9901320; M. Carena, J. Ellis, S. Lola, C.E.M. Wagner, hep-ph/9906362; W. Buchmuller, D. Delepine, F. Vissani, Phys. Lett. B459 (1999) 171; J.C. Romao, M.A. Diaz, M. Hirsch, W. Porod, J.W. F Valle, hep-ph/9907499; M.A. Diaz, J. Ferrandis, J.C. Romao, J.W.F. Valle,hep-ph/9906343; M. Tanimoto, T. Watan, T. Yanagida, hep-ph/9904338; W. Buchmuller, T. Yanagida, Phys. Lett. B445 (1999) 399; A.Yu. Smirnov, M. Tanimoto, Phys. Rev. D55 (1997) 1665; C. Jarlskog, M. Matsuda, S. Skadhauge, M. Tanimoto, Phys. Lett. B449 (1999) 240; A.S. Joshipura, S.D. Rindani, hep-ph/9907390; M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D57 (1998) 4429; M. Jeżabek, Y. Sumino, Phys. Lett. B440 (1998) 327; ibid. B457 (1999) 139; E. Ma, D.P. Roy, Phys. Rev. D59:097702, 1999; E. Ma, D.P. Roy, U. Sarkar, Phys. Lett. B444 (1998) 391; F. Vissani, JHEP 9811:025, 1998; G. Altarelli, F. Feruglio, I. Masina, hep-ph/9907532; S. Davidson, S.F. King, Phys. Lett. B445 (1998) 191; J. Ellis, G.K. Leontans, S. Lola, D.V. Nanopoulos, Eur. Phys. J. C9 (1999) 389; K.R. Dienes, E. Dudas, T. Gherghetta, hep-ph/9811428; G. Dvali, A.Yu. Smirnov, hep-ph/9904211; R.N. Mohapatra, S. Nandi, A. Perez-Lorenzana, hep-ph/9907520; F. Vissani, hep-ph/9708483; H. Georgi, S.L. Glashow, hep-ph/9808293; G.C. Branco, M.N. Rebelo, J.I. Silva-Marcos, Phys. Rev. Lett. 82 (1999) 683; hep-ph/9906368.
20. M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D59:113016, 1999; Y. Nomura, T. Yanagida, Phys. Rev. D59:017303, 1999; C.H. Albright, S.M. Barr, Phys. Lett. B452 (1999) 287; hep-ph/9906297; B. Brahmachan, R.N. Mohapatra, Phys. Rev. D58:015003, 1998; G. Altarelli, F. Feruglio, JHEP 9811:021, 1998; Phys. Lett. B451 (1999) 388; Z. Berezhiani, A. Rossi, JHEP 9903:002, 1999; K. Hagiwara, N. Okamura, Nucl. Phys. B548 (1999) 60; K.S. Babu, B. Dutta, R.N. Mohapatra, Phys. Lett. B458 (1999) 93; M. Tanimoto, Phys. Lett. B456 (1999) 220; J.K. Elwood, N. Irges, P. Ramond, Phys. Rev. Lett. 81 (1998) 5064; S. Lola, G.G. Ross, Nucl. Phys. B553 (1999) 81; S.F. King, hep-ph/9904210; C. Wettench, Phys. Lett. B451 (1999) 397; R. Barbien, L.J. Hall, G.L. Kane, G.G. Ross, hep-ph/9901228; Y. Grossman, Y. Nir, Y. Shadmi, JHEP 9810:007, 1998; A. Ghosal, hep-ph/9905470; Yue-Liang Wu, hep-ph/9901320; M. Carena, J. Ellis, S. Lola, C.E.M. Wagner, hep-ph/9906362; W. Buchmuller, D. Delepine, F. Vissani, Phys. Lett. B459 (1999) 171; J.C. Romao, M.A. Diaz, M. Hirsch, W. Porod, J.W. F Valle, hep-ph/9907499; M.A. Diaz, J. Ferrandis, J.C. Romao, J.W.F. Valle,hep-ph/9906343; M. Tanimoto, T. Watan, T. Yanagida, hep-ph/9904338; W. Buchmuller, T. Yanagida, Phys. Lett. B445 (1999) 399; A.Yu. Smirnov, M. Tanimoto, Phys. Rev. D55 (1997) 1665; C. Jarlskog, M. Matsuda, S. Skadhauge, M. Tanimoto, Phys. Lett. B449 (1999) 240; A.S. Joshipura, S.D. Rindani, hep-ph/9907390; M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D57 (1998) 4429; M. Jeżabek, Y. Sumino, Phys. Lett. B440 (1998) 327; ibid. B457 (1999) 139; E. Ma, D.P. Roy, Phys. Rev. D59:097702, 1999; E. Ma, D.P. Roy, U. Sarkar, Phys. Lett. B444 (1998) 391; F. Vissani, JHEP 9811:025, 1998; G. Altarelli, F. Feruglio, I. Masina, hep-ph/9907532; S. Davidson, S.F. King, Phys. Lett. B445 (1998) 191; J. Ellis, G.K. Leontans, S. Lola, D.V. Nanopoulos, Eur. Phys. J. C9 (1999) 389; K.R. Dienes, E. Dudas, T. Gherghetta, hep-ph/9811428; G. Dvali, A.Yu. Smirnov, hep-ph/9904211; R.N. Mohapatra, S. Nandi, A. Perez-Lorenzana, hep-ph/9907520; F. Vissani, hep-ph/9708483; H. Georgi, S.L. Glashow, hep-ph/9808293; G.C. Branco, M.N. Rebelo, J.I. Silva-Marcos, Phys. Rev. Lett. 82 (1999) 683; hep-ph/9906368.
21. M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D59:113016, 1999; Y. Nomura, T. Yanagida, Phys. Rev. D59:017303, 1999; C.H. Albright, S.M. Barr, Phys. Lett. B452 (1999) 287; hep-ph/9906297; B. Brahmachan, R.N. Mohapatra, Phys. Rev. D58:015003, 1998; G. Altarelli, F. Feruglio, JHEP 9811:021, 1998; Phys. Lett. B451 (1999) 388; Z. Berezhiani, A. Rossi, JHEP 9903:002, 1999; K. Hagiwara, N. Okamura, Nucl. Phys. B548 (1999) 60; K.S. Babu, B. Dutta, R.N. Mohapatra, Phys. Lett. B458 (1999) 93; M. Tanimoto, Phys. Lett. B456 (1999) 220; J.K. Elwood, N. Irges, P. Ramond, Phys. Rev. Lett. 81 (1998) 5064; S. Lola, G.G. Ross, Nucl. Phys. B553 (1999) 81; S.F. King, hep-ph/9904210; C. Wettench, Phys. Lett. B451 (1999) 397; R. Barbien, L.J. Hall, G.L. Kane, G.G. Ross, hep-ph/9901228; Y. Grossman, Y. Nir, Y. Shadmi, JHEP 9810:007, 1998; A. Ghosal, hep-ph/9905470; Yue-Liang Wu, hep-ph/9901320; M. Carena, J. Ellis, S. Lola, C.E.M. Wagner, hep-ph/9906362; W. Buchmuller, D. Delepine, F. Vissani, Phys. Lett. B459 (1999) 171; J.C. Romao, M.A. Diaz, M. Hirsch, W. Porod, J.W. F Valle, hep-ph/9907499; M.A. Diaz, J. Ferrandis, J.C. Romao, J.W.F. Valle,hep-ph/9906343; M. Tanimoto, T. Watan, T. Yanagida, hep-ph/9904338; W. Buchmuller, T. Yanagida, Phys. Lett. B445 (1999) 399; A.Yu. Smirnov, M. Tanimoto, Phys. Rev. D55 (1997) 1665; C. Jarlskog, M. Matsuda, S. Skadhauge, M. Tanimoto, Phys. Lett. B449 (1999) 240; A.S. Joshipura, S.D. Rindani, hep-ph/9907390; M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D57 (1998) 4429; M. Jeżabek, Y. Sumino, Phys. Lett. B440 (1998) 327; ibid. B457 (1999) 139; E. Ma, D.P. Roy, Phys. Rev. D59:097702, 1999; E. Ma, D.P. Roy, U. Sarkar, Phys. Lett. B444 (1998) 391; F. Vissani, JHEP 9811:025, 1998; G. Altarelli, F. Feruglio, I. Masina, hep-ph/9907532; S. Davidson, S.F. King, Phys. Lett. B445 (1998) 191; J. Ellis, G.K. Leontans, S. Lola, D.V. Nanopoulos, Eur. Phys. J. C9 (1999) 389; K.R. Dienes, E. Dudas, T. Gherghetta, hep-ph/9811428; G. Dvali, A.Yu. Smirnov, hep-ph/9904211; R.N. Mohapatra, S. Nandi, A. Perez-Lorenzana, hep-ph/9907520; F. Vissani, hep-ph/9708483; H. Georgi, S.L. Glashow, hep-ph/9808293; G.C. Branco, M.N. Rebelo, J.I. Silva-Marcos, Phys. Rev. Lett. 82 (1999) 683; hep-ph/9906368.
22. M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D59:113016, 1999; Y. Nomura, T. Yanagida, Phys. Rev. D59:017303, 1999; C.H. Albright, S.M. Barr, Phys. Lett. B452 (1999) 287; hep-ph/9906297; B. Brahmachan, R.N. Mohapatra, Phys. Rev. D58:015003, 1998; G. Altarelli, F. Feruglio, JHEP 9811:021, 1998; Phys. Lett. B451 (1999) 388; Z. Berezhiani, A. Rossi, JHEP 9903:002, 1999; K. Hagiwara, N. Okamura, Nucl. Phys. B548 (1999) 60; K.S. Babu, B. Dutta, R.N. Mohapatra, Phys. Lett. B458 (1999) 93; M. Tanimoto, Phys. Lett. B456 (1999) 220; J.K. Elwood, N. Irges, P. Ramond, Phys. Rev. Lett. 81 (1998) 5064; S. Lola, G.G. Ross, Nucl. Phys. B553 (1999) 81; S.F. King, hep-ph/9904210; C. Wettench, Phys. Lett. B451 (1999) 397; R. Barbien, L.J. Hall, G.L. Kane, G.G. Ross, hep-ph/9901228; Y. Grossman, Y. Nir, Y. Shadmi, JHEP 9810:007, 1998; A. Ghosal, hep-ph/9905470; Yue-Liang Wu, hep-ph/9901320; M. Carena, J. Ellis, S. Lola, C.E.M. Wagner, hep-ph/9906362; W. Buchmuller, D. Delepine, F. Vissani, Phys. Lett. B459 (1999) 171; J.C. Romao, M.A. Diaz, M. Hirsch, W. Porod, J.W. F Valle, hep-ph/9907499; M.A. Diaz, J. Ferrandis, J.C. Romao, J.W.F. Valle,hep-ph/9906343; M. Tanimoto, T. Watan, T. Yanagida, hep-ph/9904338; W. Buchmuller, T. Yanagida, Phys. Lett. B445 (1999) 399; A.Yu. Smirnov, M. Tanimoto, Phys. Rev. D55 (1997) 1665; C. Jarlskog, M. Matsuda, S. Skadhauge, M. Tanimoto, Phys. Lett. B449 (1999) 240; A.S. Joshipura, S.D. Rindani, hep-ph/9907390; M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D57 (1998) 4429; M. Jeżabek, Y. Sumino, Phys. Lett. B440 (1998) 327; ibid. B457 (1999) 139; E. Ma, D.P. Roy, Phys. Rev. D59:097702, 1999; E. Ma, D.P. Roy, U. Sarkar, Phys. Lett. B444 (1998) 391; F. Vissani, JHEP 9811:025, 1998; G. Altarelli, F. Feruglio, I. Masina, hep-ph/9907532; S. Davidson, S.F. King, Phys. Lett. B445 (1998) 191; J. Ellis, G.K. Leontans, S. Lola, D.V. Nanopoulos, Eur. Phys. J. C9 (1999) 389; K.R. Dienes, E. Dudas, T. Gherghetta, hep-ph/9811428; G. Dvali, A.Yu. Smirnov, hep-ph/9904211; R.N. Mohapatra, S. Nandi, A. Perez-Lorenzana, hep-ph/9907520; F. Vissani, hep-ph/9708483; H. Georgi, S.L. Glashow, hep-ph/9808293; G.C. Branco, M.N. Rebelo, J.I. Silva-Marcos, Phys. Rev. Lett. 82 (1999) 683; hep-ph/9906368.
23. M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D59:113016, 1999; Y. Nomura, T. Yanagida, Phys. Rev. D59:017303, 1999; C.H. Albright, S.M. Barr, Phys. Lett. B452 (1999) 287; hep-ph/9906297; B. Brahmachan, R.N. Mohapatra, Phys. Rev. D58:015003, 1998; G. Altarelli, F. Feruglio, JHEP 9811:021, 1998; Phys. Lett. B451 (1999) 388; Z. Berezhiani, A. Rossi, JHEP 9903:002, 1999; K. Hagiwara, N. Okamura, Nucl. Phys. B548 (1999) 60; K.S. Babu, B. Dutta, R.N. Mohapatra, Phys. Lett. B458 (1999) 93; M. Tanimoto, Phys. Lett. B456 (1999) 220; J.K. Elwood, N. Irges, P. Ramond, Phys. Rev. Lett. 81 (1998) 5064; S. Lola, G.G. Ross, Nucl. Phys. B553 (1999) 81; S.F. King, hep-ph/9904210; C. Wettench, Phys. Lett. B451 (1999) 397; R. Barbien, L.J. Hall, G.L. Kane, G.G. Ross, hep-ph/9901228; Y. Grossman, Y. Nir, Y. Shadmi, JHEP 9810:007, 1998; A. Ghosal, hep-ph/9905470; Yue-Liang Wu, hep-ph/9901320; M. Carena, J. Ellis, S. Lola, C.E.M. Wagner, hep-ph/9906362; W. Buchmuller, D. Delepine, F. Vissani, Phys. Lett. B459 (1999) 171; J.C. Romao, M.A. Diaz, M. Hirsch, W. Porod, J.W. F Valle, hep-ph/9907499; M.A. Diaz, J. Ferrandis, J.C. Romao, J.W.F. Valle,hep-ph/9906343; M. Tanimoto, T. Watan, T. Yanagida, hep-ph/9904338; W. Buchmuller, T. Yanagida, Phys. Lett. B445 (1999) 399; A.Yu. Smirnov, M. Tanimoto, Phys. Rev. D55 (1997) 1665; C. Jarlskog, M. Matsuda, S. Skadhauge, M. Tanimoto, Phys. Lett. B449 (1999) 240; A.S. Joshipura, S.D. Rindani, hep-ph/9907390; M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D57 (1998) 4429; M. Jeżabek, Y. Sumino, Phys. Lett. B440 (1998) 327; ibid. B457 (1999) 139; E. Ma, D.P. Roy, Phys. Rev. D59:097702, 1999; E. Ma, D.P. Roy, U. Sarkar, Phys. Lett. B444 (1998) 391; F. Vissani, JHEP 9811:025, 1998; G. Altarelli, F. Feruglio, I. Masina, hep-ph/9907532; S. Davidson, S.F. King, Phys. Lett. B445 (1998) 191; J. Ellis, G.K. Leontans, S. Lola, D.V. Nanopoulos, Eur. Phys. J. C9 (1999) 389; K.R. Dienes, E. Dudas, T. Gherghetta, hep-ph/9811428; G. Dvali, A.Yu. Smirnov, hep-ph/9904211; R.N. Mohapatra, S. Nandi, A. Perez-Lorenzana, hep-ph/9907520; F. Vissani, hep-ph/9708483; H. Georgi, S.L. Glashow, hep-ph/9808293; G.C. Branco, M.N. Rebelo, J.I. Silva-Marcos, Phys. Rev. Lett. 82 (1999) 683; hep-ph/9906368.
24. M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D59:113016, 1999; Y. Nomura, T. Yanagida, Phys. Rev. D59:017303, 1999; C.H. Albright, S.M. Barr, Phys. Lett. B452 (1999) 287; hep-ph/9906297; B. Brahmachan, R.N. Mohapatra, Phys. Rev. D58:015003, 1998; G. Altarelli, F. Feruglio, JHEP 9811:021, 1998; Phys. Lett. B451 (1999) 388; Z. Berezhiani, A. Rossi, JHEP 9903:002, 1999; K. Hagiwara, N. Okamura, Nucl. Phys. B548 (1999) 60; K.S. Babu, B. Dutta, R.N. Mohapatra, Phys. Lett. B458 (1999) 93; M. Tanimoto, Phys. Lett. B456 (1999) 220; J.K. Elwood, N. Irges, P. Ramond, Phys. Rev. Lett. 81 (1998) 5064; S. Lola, G.G. Ross, Nucl. Phys. B553 (1999) 81; S.F. King, hep-ph/9904210; C. Wettench, Phys. Lett. B451 (1999) 397; R. Barbien, L.J. Hall, G.L. Kane, G.G. Ross, hep-ph/9901228; Y. Grossman, Y. Nir, Y. Shadmi, JHEP 9810:007, 1998; A. Ghosal, hep-ph/9905470; Yue-Liang Wu, hep-ph/9901320; M. Carena, J. Ellis, S. Lola, C.E.M. Wagner, hep-ph/9906362; W. Buchmuller, D. Delepine, F. Vissani, Phys. Lett. B459 (1999) 171; J.C. Romao, M.A. Diaz, M. Hirsch, W. Porod, J.W. F Valle, hep-ph/9907499; M.A. Diaz, J. Ferrandis, J.C. Romao, J.W.F. Valle,hep-ph/9906343; M. Tanimoto, T. Watan, T. Yanagida, hep-ph/9904338; W. Buchmuller, T. Yanagida, Phys. Lett. B445 (1999) 399; A.Yu. Smirnov, M. Tanimoto, Phys. Rev. D55 (1997) 1665; C. Jarlskog, M. Matsuda, S. Skadhauge, M. Tanimoto, Phys. Lett. B449 (1999) 240; A.S. Joshipura, S.D. Rindani, hep-ph/9907390; M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D57 (1998) 4429; M. Jeżabek, Y. Sumino, Phys. Lett. B440 (1998) 327; ibid. B457 (1999) 139; E. Ma, D.P. Roy, Phys. Rev. D59:097702, 1999; E. Ma, D.P. Roy, U. Sarkar, Phys. Lett. B444 (1998) 391; F. Vissani, JHEP 9811:025, 1998; G. Altarelli, F. Feruglio, I. Masina, hep-ph/9907532; S. Davidson, S.F. King, Phys. Lett. B445 (1998) 191; J. Ellis, G.K. Leontans, S. Lola, D.V. Nanopoulos, Eur. Phys. J. C9 (1999) 389; K.R. Dienes, E. Dudas, T. Gherghetta, hep-ph/9811428; G. Dvali, A.Yu. Smirnov, hep-ph/9904211; R.N. Mohapatra, S. Nandi, A. Perez-Lorenzana, hep-ph/9907520; F. Vissani, hep-ph/9708483; H. Georgi, S.L. Glashow, hep-ph/9808293; G.C. Branco, M.N. Rebelo, J.I. Silva-Marcos, Phys. Rev. Lett. 82 (1999) 683; hep-ph/9906368.
25. M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D59:113016, 1999; Y. Nomura, T. Yanagida, Phys. Rev. D59:017303, 1999; C.H. Albright, S.M. Barr, Phys. Lett. B452 (1999) 287; hep-ph/9906297; B. Brahmachan, R.N. Mohapatra, Phys. Rev. D58:015003, 1998; G. Altarelli, F. Feruglio, JHEP 9811:021, 1998; Phys. Lett. B451 (1999) 388; Z. Berezhiani, A. Rossi, JHEP 9903:002, 1999; K. Hagiwara, N. Okamura, Nucl. Phys. B548 (1999) 60; K.S. Babu, B. Dutta, R.N. Mohapatra, Phys. Lett. B458 (1999) 93; M. Tanimoto, Phys. Lett. B456 (1999) 220; J.K. Elwood, N. Irges, P. Ramond, Phys. Rev. Lett. 81 (1998) 5064; S. Lola, G.G. Ross, Nucl. Phys. B553 (1999) 81; S.F. King, hep-ph/9904210; C. Wettench, Phys. Lett. B451 (1999) 397; R. Barbien, L.J. Hall, G.L. Kane, G.G. Ross, hep-ph/9901228; Y. Grossman, Y. Nir, Y. Shadmi, JHEP 9810:007, 1998; A. Ghosal, hep-ph/9905470; Yue-Liang Wu, hep-ph/9901320; M. Carena, J. Ellis, S. Lola, C.E.M. Wagner, hep-ph/9906362; W. Buchmuller, D. Delepine, F. Vissani, Phys. Lett. B459 (1999) 171; J.C. Romao, M.A. Diaz, M. Hirsch, W. Porod, J.W. F Valle, hep-ph/9907499; M.A. Diaz, J. Ferrandis, J.C. Romao, J.W.F. Valle,hep-ph/9906343; M. Tanimoto, T. Watan, T. Yanagida, hep-ph/9904338; W. Buchmuller, T. Yanagida, Phys. Lett. B445 (1999) 399; A.Yu. Smirnov, M. Tanimoto, Phys. Rev. D55 (1997) 1665; C. Jarlskog, M. Matsuda, S. Skadhauge, M. Tanimoto, Phys. Lett. B449 (1999) 240; A.S. Joshipura, S.D. Rindani, hep-ph/9907390; M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D57 (1998) 4429; M. Jeżabek, Y. Sumino, Phys. Lett. B440 (1998) 327; ibid. B457 (1999) 139; E. Ma, D.P. Roy, Phys. Rev. D59:097702, 1999; E. Ma, D.P. Roy, U. Sarkar, Phys. Lett. B444 (1998) 391; F. Vissani, JHEP 9811:025, 1998; G. Altarelli, F. Feruglio, I. Masina, hep-ph/9907532; S. Davidson, S.F. King, Phys. Lett. B445 (1998) 191; J. Ellis, G.K. Leontans, S. Lola, D.V. Nanopoulos, Eur. Phys. J. C9 (1999) 389; K.R. Dienes, E. Dudas, T. Gherghetta, hep-ph/9811428; G. Dvali, A.Yu. Smirnov, hep-ph/9904211; R.N. Mohapatra, S. Nandi, A. Perez-Lorenzana, hep-ph/9907520; F. Vissani, hep-ph/9708483; H. Georgi, S.L. Glashow, hep-ph/9808293; G.C. Branco, M.N. Rebelo, J.I. Silva-Marcos, Phys. Rev. Lett. 82 (1999) 683; hep-ph/9906368.
26. M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D59:113016, 1999; Y. Nomura, T. Yanagida, Phys. Rev. D59:017303, 1999; C.H. Albright, S.M. Barr, Phys. Lett. B452 (1999) 287; hep-ph/9906297; B. Brahmachan, R.N. Mohapatra, Phys. Rev. D58:015003, 1998; G. Altarelli, F. Feruglio, JHEP 9811:021, 1998; Phys. Lett. B451 (1999) 388; Z. Berezhiani, A. Rossi, JHEP 9903:002, 1999; K. Hagiwara, N. Okamura, Nucl. Phys. B548 (1999) 60; K.S. Babu, B. Dutta, R.N. Mohapatra, Phys. Lett. B458 (1999) 93; M. Tanimoto, Phys. Lett. B456 (1999) 220; J.K. Elwood, N. Irges, P. Ramond, Phys. Rev. Lett. 81 (1998) 5064; S. Lola, G.G. Ross, Nucl. Phys. B553 (1999) 81; S.F. King, hep-ph/9904210; C. Wettench, Phys. Lett. B451 (1999) 397; R. Barbien, L.J. Hall, G.L. Kane, G.G. Ross, hep-ph/9901228; Y. Grossman, Y. Nir, Y. Shadmi, JHEP 9810:007, 1998; A. Ghosal, hep-ph/9905470; Yue-Liang Wu, hep-ph/9901320; M. Carena, J. Ellis, S. Lola, C.E.M. Wagner, hep-ph/9906362; W. Buchmuller, D. Delepine, F. Vissani, Phys. Lett. B459 (1999) 171; J.C. Romao, M.A. Diaz, M. Hirsch, W. Porod, J.W. F Valle, hep-ph/9907499; M.A. Diaz, J. Ferrandis, J.C. Romao, J.W.F. Valle,hep-ph/9906343; M. Tanimoto, T. Watan, T. Yanagida, hep-ph/9904338; W. Buchmuller, T. Yanagida, Phys. Lett. B445 (1999) 399; A.Yu. Smirnov, M. Tanimoto, Phys. Rev. D55 (1997) 1665; C. Jarlskog, M. Matsuda, S. Skadhauge, M. Tanimoto, Phys. Lett. B449 (1999) 240; A.S. Joshipura, S.D. Rindani, hep-ph/9907390; M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D57 (1998) 4429; M. Jeżabek, Y. Sumino, Phys. Lett. B440 (1998) 327; ibid. B457 (1999) 139; E. Ma, D.P. Roy, Phys. Rev. D59:097702, 1999; E. Ma, D.P. Roy, U. Sarkar, Phys. Lett. B444 (1998) 391; F. Vissani, JHEP 9811:025, 1998; G. Altarelli, F. Feruglio, I. Masina, hep-ph/9907532; S. Davidson, S.F. King, Phys. Lett. B445 (1998) 191; J. Ellis, G.K. Leontans, S. Lola, D.V. Nanopoulos, Eur. Phys. J. C9 (1999) 389; K.R. Dienes, E. Dudas, T. Gherghetta, hep-ph/9811428; G. Dvali, A.Yu. Smirnov, hep-ph/9904211; R.N. Mohapatra, S. Nandi, A. Perez-Lorenzana, hep-ph/9907520; F. Vissani, hep-ph/9708483; H. Georgi, S.L. Glashow, hep-ph/9808293; G.C. Branco, M.N. Rebelo, J.I. Silva-Marcos, Phys. Rev. Lett. 82 (1999) 683; hep-ph/9906368.
27. M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D59:113016, 1999; Y. Nomura, T. Yanagida, Phys. Rev. D59:017303, 1999; C.H. Albright, S.M. Barr, Phys. Lett. B452 (1999) 287; hep-ph/9906297; B. Brahmachan, R.N. Mohapatra, Phys. Rev. D58:015003, 1998; G. Altarelli, F. Feruglio, JHEP 9811:021, 1998; Phys. Lett. B451 (1999) 388; Z. Berezhiani, A. Rossi, JHEP 9903:002, 1999; K. Hagiwara, N. Okamura, Nucl. Phys. B548 (1999) 60; K.S. Babu, B. Dutta, R.N. Mohapatra, Phys. Lett. B458 (1999) 93; M. Tanimoto, Phys. Lett. B456 (1999) 220; J.K. Elwood, N. Irges, P. Ramond, Phys. Rev. Lett. 81 (1998) 5064; S. Lola, G.G. Ross, Nucl. Phys. B553 (1999) 81; S.F. King, hep-ph/9904210; C. Wettench, Phys. Lett. B451 (1999) 397; R. Barbien, L.J. Hall, G.L. Kane, G.G. Ross, hep-ph/9901228; Y. Grossman, Y. Nir, Y. Shadmi, JHEP 9810:007, 1998; A. Ghosal, hep-ph/9905470; Yue-Liang Wu, hep-ph/9901320; M. Carena, J. Ellis, S. Lola, C.E.M. Wagner, hep-ph/9906362; W. Buchmuller, D. Delepine, F. Vissani, Phys. Lett. B459 (1999) 171; J.C. Romao, M.A. Diaz, M. Hirsch, W. Porod, J.W. F Valle, hep-ph/9907499; M.A. Diaz, J. Ferrandis, J.C. Romao, J.W.F. Valle,hep-ph/9906343; M. Tanimoto, T. Watan, T. Yanagida, hep-ph/9904338; W. Buchmuller, T. Yanagida, Phys. Lett. B445 (1999) 399; A.Yu. Smirnov, M. Tanimoto, Phys. Rev. D55 (1997) 1665; C. Jarlskog, M. Matsuda, S. Skadhauge, M. Tanimoto, Phys. Lett. B449 (1999) 240; A.S. Joshipura, S.D. Rindani, hep-ph/9907390; M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D57 (1998) 4429; M. Jeżabek, Y. Sumino, Phys. Lett. B440 (1998) 327; ibid. B457 (1999) 139; E. Ma, D.P. Roy, Phys. Rev. D59:097702, 1999; E. Ma, D.P. Roy, U. Sarkar, Phys. Lett. B444 (1998) 391; F. Vissani, JHEP 9811:025, 1998; G. Altarelli, F. Feruglio, I. Masina, hep-ph/9907532; S. Davidson, S.F. King, Phys. Lett. B445 (1998) 191; J. Ellis, G.K. Leontans, S. Lola, D.V. Nanopoulos, Eur. Phys. J. C9 (1999) 389; K.R. Dienes, E. Dudas, T. Gherghetta, hep-ph/9811428; G. Dvali, A.Yu. Smirnov, hep-ph/9904211; R.N. Mohapatra, S. Nandi, A. Perez-Lorenzana, hep-ph/9907520; F. Vissani, hep-ph/9708483; H. Georgi, S.L. Glashow, hep-ph/9808293; G.C. Branco, M.N. Rebelo, J.I. Silva-Marcos, Phys. Rev. Lett. 82 (1999) 683; hep-ph/9906368.
28. M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D59:113016, 1999; Y. Nomura, T. Yanagida, Phys. Rev. D59:017303, 1999; C.H. Albright, S.M. Barr, Phys. Lett. B452 (1999) 287; hep-ph/9906297; B. Brahmachan, R.N. Mohapatra, Phys. Rev. D58:015003, 1998; G. Altarelli, F. Feruglio, JHEP 9811:021, 1998; Phys. Lett. B451 (1999) 388; Z. Berezhiani, A. Rossi, JHEP 9903:002, 1999; K. Hagiwara, N. Okamura, Nucl. Phys. B548 (1999) 60; K.S. Babu, B. Dutta, R.N. Mohapatra, Phys. Lett. B458 (1999) 93; M. Tanimoto, Phys. Lett. B456 (1999) 220; J.K. Elwood, N. Irges, P. Ramond, Phys. Rev. Lett. 81 (1998) 5064; S. Lola, G.G. Ross, Nucl. Phys. B553 (1999) 81; S.F. King, hep-ph/9904210; C. Wettench, Phys. Lett. B451 (1999) 397; R. Barbien, L.J. Hall, G.L. Kane, G.G. Ross, hep-ph/9901228; Y. Grossman, Y. Nir, Y. Shadmi, JHEP 9810:007, 1998; A. Ghosal, hep-ph/9905470; Yue-Liang Wu, hep-ph/9901320; M. Carena, J. Ellis, S. Lola, C.E.M. Wagner, hep-ph/9906362; W. Buchmuller, D. Delepine, F. Vissani, Phys. Lett. B459 (1999) 171; J.C. Romao, M.A. Diaz, M. Hirsch, W. Porod, J.W. F Valle, hep-ph/9907499; M.A. Diaz, J. Ferrandis, J.C. Romao, J.W.F. Valle,hep-ph/9906343; M. Tanimoto, T. Watan, T. Yanagida, hep-ph/9904338; W. Buchmuller, T. Yanagida, Phys. Lett. B445 (1999) 399; A.Yu. Smirnov, M. Tanimoto, Phys. Rev. D55 (1997) 1665; C. Jarlskog, M. Matsuda, S. Skadhauge, M. Tanimoto, Phys. Lett. B449 (1999) 240; A.S. Joshipura, S.D. Rindani, hep-ph/9907390; M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D57 (1998) 4429; M. Jeżabek, Y. Sumino, Phys. Lett. B440 (1998) 327; ibid. B457 (1999) 139; E. Ma, D.P. Roy, Phys. Rev. D59:097702, 1999; E. Ma, D.P. Roy, U. Sarkar, Phys. Lett. B444 (1998) 391; F. Vissani, JHEP 9811:025, 1998; G. Altarelli, F. Feruglio, I. Masina, hep-ph/9907532; S. Davidson, S.F. King, Phys. Lett. B445 (1998) 191; J. Ellis, G.K. Leontans, S. Lola, D.V. Nanopoulos, Eur. Phys. J. C9 (1999) 389; K.R. Dienes, E. Dudas, T. Gherghetta, hep-ph/9811428; G. Dvali, A.Yu. Smirnov, hep-ph/9904211; R.N. Mohapatra, S. Nandi, A. Perez-Lorenzana, hep-ph/9907520; F. Vissani, hep-ph/9708483; H. Georgi, S.L. Glashow, hep-ph/9808293; G.C. Branco, M.N. Rebelo, J.I. Silva-Marcos, Phys. Rev. Lett. 82 (1999) 683; hep-ph/9906368.
29. M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D59:113016, 1999; Y. Nomura, T. Yanagida, Phys. Rev. D59:017303, 1999; C.H. Albright, S.M. Barr, Phys. Lett. B452 (1999) 287; hep-ph/9906297; B. Brahmachan, R.N. Mohapatra, Phys. Rev. D58:015003, 1998; G. Altarelli, F. Feruglio, JHEP 9811:021, 1998; Phys. Lett. B451 (1999) 388; Z. Berezhiani, A. Rossi, JHEP 9903:002, 1999; K. Hagiwara, N. Okamura, Nucl. Phys. B548 (1999) 60; K.S. Babu, B. Dutta, R.N. Mohapatra, Phys. Lett. B458 (1999) 93; M. Tanimoto, Phys. Lett. B456 (1999) 220; J.K. Elwood, N. Irges, P. Ramond, Phys. Rev. Lett. 81 (1998) 5064; S. Lola, G.G. Ross, Nucl. Phys. B553 (1999) 81; S.F. King, hep-ph/9904210; C. Wettench, Phys. Lett. B451 (1999) 397; R. Barbien, L.J. Hall, G.L. Kane, G.G. Ross, hep-ph/9901228; Y. Grossman, Y. Nir, Y. Shadmi, JHEP 9810:007, 1998; A. Ghosal, hep-ph/9905470; Yue-Liang Wu, hep-ph/9901320; M. Carena, J. Ellis, S. Lola, C.E.M. Wagner, hep-ph/9906362; W. Buchmuller, D. Delepine, F. Vissani, Phys. Lett. B459 (1999) 171; J.C. Romao, M.A. Diaz, M. Hirsch, W. Porod, J.W. F Valle, hep-ph/9907499; M.A. Diaz, J. Ferrandis, J.C. Romao, J.W.F. Valle,hep-ph/9906343; M. Tanimoto, T. Watan, T. Yanagida, hep-ph/9904338; W. Buchmuller, T. Yanagida, Phys. Lett. B445 (1999) 399; A.Yu. Smirnov, M. Tanimoto, Phys. Rev. D55 (1997) 1665; C. Jarlskog, M. Matsuda, S. Skadhauge, M. Tanimoto, Phys. Lett. B449 (1999) 240; A.S. Joshipura, S.D. Rindani, hep-ph/9907390; M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D57 (1998) 4429; M. Jeżabek, Y. Sumino, Phys. Lett. B440 (1998) 327; ibid. B457 (1999) 139; E. Ma, D.P. Roy, Phys. Rev. D59:097702, 1999; E. Ma, D.P. Roy, U. Sarkar, Phys. Lett. B444 (1998) 391; F. Vissani, JHEP 9811:025, 1998; G. Altarelli, F. Feruglio, I. Masina, hep-ph/9907532; S. Davidson, S.F. King, Phys. Lett. B445 (1998) 191; J. Ellis, G.K. Leontans, S. Lola, D.V. Nanopoulos, Eur. Phys. J. C9 (1999) 389; K.R. Dienes, E. Dudas, T. Gherghetta, hep-ph/9811428; G. Dvali, A.Yu. Smirnov, hep-ph/9904211; R.N. Mohapatra, S. Nandi, A. Perez-Lorenzana, hep-ph/9907520; F. Vissani, hep-ph/9708483; H. Georgi, S.L. Glashow, hep-ph/9808293; G.C. Branco, M.N. Rebelo, J.I. Silva-Marcos, Phys. Rev. Lett. 82 (1999) 683; hep-ph/9906368.
30. M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D59:113016, 1999; Y. Nomura, T. Yanagida, Phys. Rev. D59:017303, 1999; C.H. Albright, S.M. Barr, Phys. Lett. B452 (1999) 287; hep-ph/9906297; B. Brahmachan, R.N. Mohapatra, Phys. Rev. D58:015003, 1998; G. Altarelli, F. Feruglio, JHEP 9811:021, 1998; Phys. Lett. B451 (1999) 388; Z. Berezhiani, A. Rossi, JHEP 9903:002, 1999; K. Hagiwara, N. Okamura, Nucl. Phys. B548 (1999) 60; K.S. Babu, B. Dutta, R.N. Mohapatra, Phys. Lett. B458 (1999) 93; M. Tanimoto, Phys. Lett. B456 (1999) 220; J.K. Elwood, N. Irges, P. Ramond, Phys. Rev. Lett. 81 (1998) 5064; S. Lola, G.G. Ross, Nucl. Phys. B553 (1999) 81; S.F. King, hep-ph/9904210; C. Wettench, Phys. Lett. B451 (1999) 397; R. Barbien, L.J. Hall, G.L. Kane, G.G. Ross, hep-ph/9901228; Y. Grossman, Y. Nir, Y. Shadmi, JHEP 9810:007, 1998; A. Ghosal, hep-ph/9905470; Yue-Liang Wu, hep-ph/9901320; M. Carena, J. Ellis, S. Lola, C.E.M. Wagner, hep-ph/9906362; W. Buchmuller, D. Delepine, F. Vissani, Phys. Lett. B459 (1999) 171; J.C. Romao, M.A. Diaz, M. Hirsch, W. Porod, J.W. F Valle, hep-ph/9907499; M.A. Diaz, J. Ferrandis, J.C. Romao, J.W.F. Valle,hep-ph/9906343; M. Tanimoto, T. Watan, T. Yanagida, hep-ph/9904338; W. Buchmuller, T. Yanagida, Phys. Lett. B445 (1999) 399; A.Yu. Smirnov, M. Tanimoto, Phys. Rev. D55 (1997) 1665; C. Jarlskog, M. Matsuda, S. Skadhauge, M. Tanimoto, Phys. Lett. B449 (1999) 240; A.S. Joshipura, S.D. Rindani, hep-ph/9907390; M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D57 (1998) 4429; M. Jeżabek, Y. Sumino, Phys. Lett. B440 (1998) 327; ibid. B457 (1999) 139; E. Ma, D.P. Roy, Phys. Rev. D59:097702, 1999; E. Ma, D.P. Roy, U. Sarkar, Phys. Lett. B444 (1998) 391; F. Vissani, JHEP 9811:025, 1998; G. Altarelli, F. Feruglio, I. Masina, hep-ph/9907532; S. Davidson, S.F. King, Phys. Lett. B445 (1998) 191; J. Ellis, G.K. Leontans, S. Lola, D.V. Nanopoulos, Eur. Phys. J. C9 (1999) 389; K.R. Dienes, E. Dudas, T. Gherghetta, hep-ph/9811428; G. Dvali, A.Yu. Smirnov, hep-ph/9904211; R.N. Mohapatra, S. Nandi, A. Perez-Lorenzana, hep-ph/9907520; F. Vissani, hep-ph/9708483; H. Georgi, S.L. Glashow, hep-ph/9808293; G.C. Branco, M.N. Rebelo, J.I. Silva-Marcos, Phys. Rev. Lett. 82 (1999) 683; hep-ph/9906368.
31. M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D59:113016, 1999; Y. Nomura, T. Yanagida, Phys. Rev. D59:017303, 1999; C.H. Albright, S.M. Barr, Phys. Lett. B452 (1999) 287; hep-ph/9906297; B. Brahmachan, R.N. Mohapatra, Phys. Rev. D58:015003, 1998; G. Altarelli, F. Feruglio, JHEP 9811:021, 1998; Phys. Lett. B451 (1999) 388; Z. Berezhiani, A. Rossi, JHEP 9903:002, 1999; K. Hagiwara, N. Okamura, Nucl. Phys. B548 (1999) 60; K.S. Babu, B. Dutta, R.N. Mohapatra, Phys. Lett. B458 (1999) 93; M. Tanimoto, Phys. Lett. B456 (1999) 220; J.K. Elwood, N. Irges, P. Ramond, Phys. Rev. Lett. 81 (1998) 5064; S. Lola, G.G. Ross, Nucl. Phys. B553 (1999) 81; S.F. King, hep-ph/9904210; C. Wettench, Phys. Lett. B451 (1999) 397; R. Barbien, L.J. Hall, G.L. Kane, G.G. Ross, hep-ph/9901228; Y. Grossman, Y. Nir, Y. Shadmi, JHEP 9810:007, 1998; A. Ghosal, hep-ph/9905470; Yue-Liang Wu, hep-ph/9901320; M. Carena, J. Ellis, S. Lola, C.E.M. Wagner, hep-ph/9906362; W. Buchmuller, D. Delepine, F. Vissani, Phys. Lett. B459 (1999) 171; J.C. Romao, M.A. Diaz, M. Hirsch, W. Porod, J.W. F Valle, hep-ph/9907499; M.A. Diaz, J. Ferrandis, J.C. Romao, J.W.F. Valle,hep-ph/9906343; M. Tanimoto, T. Watan, T. Yanagida, hep-ph/9904338; W. Buchmuller, T. Yanagida, Phys. Lett. B445 (1999) 399; A.Yu. Smirnov, M. Tanimoto, Phys. Rev. D55 (1997) 1665; C. Jarlskog, M. Matsuda, S. Skadhauge, M. Tanimoto, Phys. Lett. B449 (1999) 240; A.S. Joshipura, S.D. Rindani, hep-ph/9907390; M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D57 (1998) 4429; M. Jeżabek, Y. Sumino, Phys. Lett. B440 (1998) 327; ibid. B457 (1999) 139; E. Ma, D.P. Roy, Phys. Rev. D59:097702, 1999; E. Ma, D.P. Roy, U. Sarkar, Phys. Lett. B444 (1998) 391; F. Vissani, JHEP 9811:025, 1998; G. Altarelli, F. Feruglio, I. Masina, hep-ph/9907532; S. Davidson, S.F. King, Phys. Lett. B445 (1998) 191; J. Ellis, G.K. Leontans, S. Lola, D.V. Nanopoulos, Eur. Phys. J. C9 (1999) 389; K.R. Dienes, E. Dudas, T. Gherghetta, hep-ph/9811428; G. Dvali, A.Yu. Smirnov, hep-ph/9904211; R.N. Mohapatra, S. Nandi, A. Perez-Lorenzana, hep-ph/9907520; F. Vissani, hep-ph/9708483; H. Georgi, S.L. Glashow, hep-ph/9808293; G.C. Branco, M.N. Rebelo, J.I. Silva-Marcos, Phys. Rev. Lett. 82 (1999) 683; hep-ph/9906368.
32. M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D59:113016, 1999; Y. Nomura, T. Yanagida, Phys. Rev. D59:017303, 1999; C.H. Albright, S.M. Barr, Phys. Lett. B452 (1999) 287; hep-ph/9906297; B. Brahmachan, R.N. Mohapatra, Phys. Rev. D58:015003, 1998; G. Altarelli, F. Feruglio, JHEP 9811:021, 1998; Phys. Lett. B451 (1999) 388; Z. Berezhiani, A. Rossi, JHEP 9903:002, 1999; K. Hagiwara, N. Okamura, Nucl. Phys. B548 (1999) 60; K.S. Babu, B. Dutta, R.N. Mohapatra, Phys. Lett. B458 (1999) 93; M. Tanimoto, Phys. Lett. B456 (1999) 220; J.K. Elwood, N. Irges, P. Ramond, Phys. Rev. Lett. 81 (1998) 5064; S. Lola, G.G. Ross, Nucl. Phys. B553 (1999) 81; S.F. King, hep-ph/9904210; C. Wettench, Phys. Lett. B451 (1999) 397; R. Barbien, L.J. Hall, G.L. Kane, G.G. Ross, hep-ph/9901228; Y. Grossman, Y. Nir, Y. Shadmi, JHEP 9810:007, 1998; A. Ghosal, hep-ph/9905470; Yue-Liang Wu, hep-ph/9901320; M. Carena, J. Ellis, S. Lola, C.E.M. Wagner, hep-ph/9906362; W. Buchmuller, D. Delepine, F. Vissani, Phys. Lett. B459 (1999) 171; J.C. Romao, M.A. Diaz, M. Hirsch, W. Porod, J.W. F Valle, hep-ph/9907499; M.A. Diaz, J. Ferrandis, J.C. Romao, J.W.F. Valle,hep-ph/9906343; M. Tanimoto, T. Watan, T. Yanagida, hep-ph/9904338; W. Buchmuller, T. Yanagida, Phys. Lett. B445 (1999) 399; A.Yu. Smirnov, M. Tanimoto, Phys. Rev. D55 (1997) 1665; C. Jarlskog, M. Matsuda, S. Skadhauge, M. Tanimoto, Phys. Lett. B449 (1999) 240; A.S. Joshipura, S.D. Rindani, hep-ph/9907390; M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D57 (1998) 4429; M. Jeżabek, Y. Sumino, Phys. Lett. B440 (1998) 327; ibid. B457 (1999) 139; E. Ma, D.P. Roy, Phys. Rev. D59:097702, 1999; E. Ma, D.P. Roy, U. Sarkar, Phys. Lett. B444 (1998) 391; F. Vissani, JHEP 9811:025, 1998; G. Altarelli, F. Feruglio, I. Masina, hep-ph/9907532; S. Davidson, S.F. King, Phys. Lett. B445 (1998) 191; J. Ellis, G.K. Leontans, S. Lola, D.V. Nanopoulos, Eur. Phys. J. C9 (1999) 389; K.R. Dienes, E. Dudas, T. Gherghetta, hep-ph/9811428; G. Dvali, A.Yu. Smirnov, hep-ph/9904211; R.N. Mohapatra, S. Nandi, A. Perez-Lorenzana, hep-ph/9907520; F. Vissani, hep-ph/9708483; H. Georgi, S.L. Glashow, hep-ph/9808293; G.C. Branco, M.N. Rebelo, J.I. Silva-Marcos, Phys. Rev. Lett. 82 (1999) 683; hep-ph/9906368.
33. M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D59:113016, 1999; Y. Nomura, T. Yanagida, Phys. Rev. D59:017303, 1999; C.H. Albright, S.M. Barr, Phys. Lett. B452 (1999) 287; hep-ph/9906297; B. Brahmachan, R.N. Mohapatra, Phys. Rev. D58:015003, 1998; G. Altarelli, F. Feruglio, JHEP 9811:021, 1998; Phys. Lett. B451 (1999) 388; Z. Berezhiani, A. Rossi, JHEP 9903:002, 1999; K. Hagiwara, N. Okamura, Nucl. Phys. B548 (1999) 60; K.S. Babu, B. Dutta, R.N. Mohapatra, Phys. Lett. B458 (1999) 93; M. Tanimoto, Phys. Lett. B456 (1999) 220; J.K. Elwood, N. Irges, P. Ramond, Phys. Rev. Lett. 81 (1998) 5064; S. Lola, G.G. Ross, Nucl. Phys. B553 (1999) 81; S.F. King, hep-ph/9904210; C. Wettench, Phys. Lett. B451 (1999) 397; R. Barbien, L.J. Hall, G.L. Kane, G.G. Ross, hep-ph/9901228; Y. Grossman, Y. Nir, Y. Shadmi, JHEP 9810:007, 1998; A. Ghosal, hep-ph/9905470; Yue-Liang Wu, hep-ph/9901320; M. Carena, J. Ellis, S. Lola, C.E.M. Wagner, hep-ph/9906362; W. Buchmuller, D. Delepine, F. Vissani, Phys. Lett. B459 (1999) 171; J.C. Romao, M.A. Diaz, M. Hirsch, W. Porod, J.W. F Valle, hep-ph/9907499; M.A. Diaz, J. Ferrandis, J.C. Romao, J.W.F. Valle,hep-ph/9906343; M. Tanimoto, T. Watan, T. Yanagida, hep-ph/9904338; W. Buchmuller, T. Yanagida, Phys. Lett. B445 (1999) 399; A.Yu. Smirnov, M. Tanimoto, Phys. Rev. D55 (1997) 1665; C. Jarlskog, M. Matsuda, S. Skadhauge, M. Tanimoto, Phys. Lett. B449 (1999) 240; A.S. Joshipura, S.D. Rindani, hep-ph/9907390; M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D57 (1998) 4429; M. Jeżabek, Y. Sumino, Phys. Lett. B440 (1998) 327; ibid. B457 (1999) 139; E. Ma, D.P. Roy, Phys. Rev. D59:097702, 1999; E. Ma, D.P. Roy, U. Sarkar, Phys. Lett. B444 (1998) 391; F. Vissani, JHEP 9811:025, 1998; G. Altarelli, F. Feruglio, I. Masina, hep-ph/9907532; S. Davidson, S.F. King, Phys. Lett. B445 (1998) 191; J. Ellis, G.K. Leontans, S. Lola, D.V. Nanopoulos, Eur. Phys. J. C9 (1999) 389; K.R. Dienes, E. Dudas, T. Gherghetta, hep-ph/9811428; G. Dvali, A.Yu. Smirnov, hep-ph/9904211; R.N. Mohapatra, S. Nandi, A. Perez-Lorenzana, hep-ph/9907520; F. Vissani, hep-ph/9708483; H. Georgi, S.L. Glashow, hep-ph/9808293; G.C. Branco, M.N. Rebelo, J.I. Silva-Marcos, Phys. Rev. Lett. 82 (1999) 683; hep-ph/9906368.
34. M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D59:113016, 1999; Y. Nomura, T. Yanagida, Phys. Rev. D59:017303, 1999; C.H. Albright, S.M. Barr, Phys. Lett. B452 (1999) 287; hep-ph/9906297; B. Brahmachan, R.N. Mohapatra, Phys. Rev. D58:015003, 1998; G. Altarelli, F. Feruglio, JHEP 9811:021, 1998; Phys. Lett. B451 (1999) 388; Z. Berezhiani, A. Rossi, JHEP 9903:002, 1999; K. Hagiwara, N. Okamura, Nucl. Phys. B548 (1999) 60; K.S. Babu, B. Dutta, R.N. Mohapatra, Phys. Lett. B458 (1999) 93; M. Tanimoto, Phys. Lett. B456 (1999) 220; J.K. Elwood, N. Irges, P. Ramond, Phys. Rev. Lett. 81 (1998) 5064; S. Lola, G.G. Ross, Nucl. Phys. B553 (1999) 81; S.F. King, hep-ph/9904210; C. Wettench, Phys. Lett. B451 (1999) 397; R. Barbien, L.J. Hall, G.L. Kane, G.G. Ross, hep-ph/9901228; Y. Grossman, Y. Nir, Y. Shadmi, JHEP 9810:007, 1998; A. Ghosal, hep-ph/9905470; Yue-Liang Wu, hep-ph/9901320; M. Carena, J. Ellis, S. Lola, C.E.M. Wagner, hep-ph/9906362; W. Buchmuller, D. Delepine, F. Vissani, Phys. Lett. B459 (1999) 171; J.C. Romao, M.A. Diaz, M. Hirsch, W. Porod, J.W. F Valle, hep-ph/9907499; M.A. Diaz, J. Ferrandis, J.C. Romao, J.W.F. Valle,hep-ph/9906343; M. Tanimoto, T. Watan, T. Yanagida, hep-ph/9904338; W. Buchmuller, T. Yanagida, Phys. Lett. B445 (1999) 399; A.Yu. Smirnov, M. Tanimoto, Phys. Rev. D55 (1997) 1665; C. Jarlskog, M. Matsuda, S. Skadhauge, M. Tanimoto, Phys. Lett. B449 (1999) 240; A.S. Joshipura, S.D. Rindani, hep-ph/9907390; M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D57 (1998) 4429; M. Jeżabek, Y. Sumino, Phys. Lett. B440 (1998) 327; ibid. B457 (1999) 139; E. Ma, D.P. Roy, Phys. Rev. D59:097702, 1999; E. Ma, D.P. Roy, U. Sarkar, Phys. Lett. B444 (1998) 391; F. Vissani, JHEP 9811:025, 1998; G. Altarelli, F. Feruglio, I. Masina, hep-ph/9907532; S. Davidson, S.F. King, Phys. Lett. B445 (1998) 191; J. Ellis, G.K. Leontans, S. Lola, D.V. Nanopoulos, Eur. Phys. J. C9 (1999) 389; K.R. Dienes, E. Dudas, T. Gherghetta, hep-ph/9811428; G. Dvali, A.Yu. Smirnov, hep-ph/9904211; R.N. Mohapatra, S. Nandi, A. Perez-Lorenzana, hep-ph/9907520; F. Vissani, hep-ph/9708483; H. Georgi, S.L. Glashow, hep-ph/9808293; G.C. Branco, M.N. Rebelo, J.I. Silva-Marcos, Phys. Rev. Lett. 82 (1999) 683; hep-ph/9906368.
35. M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D59:113016, 1999; Y. Nomura, T. Yanagida, Phys. Rev. D59:017303, 1999; C.H. Albright, S.M. Barr, Phys. Lett. B452 (1999) 287; hep-ph/9906297; B. Brahmachan, R.N. Mohapatra, Phys. Rev. D58:015003, 1998; G. Altarelli, F. Feruglio, JHEP 9811:021, 1998; Phys. Lett. B451 (1999) 388; Z. Berezhiani, A. Rossi, JHEP 9903:002, 1999; K. Hagiwara, N. Okamura, Nucl. Phys. B548 (1999) 60; K.S. Babu, B. Dutta, R.N. Mohapatra, Phys. Lett. B458 (1999) 93; M. Tanimoto, Phys. Lett. B456 (1999) 220; J.K. Elwood, N. Irges, P. Ramond, Phys. Rev. Lett. 81 (1998) 5064; S. Lola, G.G. Ross, Nucl. Phys. B553 (1999) 81; S.F. King, hep-ph/9904210; C. Wettench, Phys. Lett. B451 (1999) 397; R. Barbien, L.J. Hall, G.L. Kane, G.G. Ross, hep-ph/9901228; Y. Grossman, Y. Nir, Y. Shadmi, JHEP 9810:007, 1998; A. Ghosal, hep-ph/9905470; Yue-Liang Wu, hep-ph/9901320; M. Carena, J. Ellis, S. Lola, C.E.M. Wagner, hep-ph/9906362; W. Buchmuller, D. Delepine, F. Vissani, Phys. Lett. B459 (1999) 171; J.C. Romao, M.A. Diaz, M. Hirsch, W. Porod, J.W. F Valle, hep-ph/9907499; M.A. Diaz, J. Ferrandis, J.C. Romao, J.W.F. Valle,hep-ph/9906343; M. Tanimoto, T. Watan, T. Yanagida, hep-ph/9904338; W. Buchmuller, T. Yanagida, Phys. Lett. B445 (1999) 399; A.Yu. Smirnov, M. Tanimoto, Phys. Rev. D55 (1997) 1665; C. Jarlskog, M. Matsuda, S. Skadhauge, M. Tanimoto, Phys. Lett. B449 (1999) 240; A.S. Joshipura, S.D. Rindani, hep-ph/9907390; M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D57 (1998) 4429; M. Jeżabek, Y. Sumino, Phys. Lett. B440 (1998) 327; ibid. B457 (1999) 139; E. Ma, D.P. Roy, Phys. Rev. D59:097702, 1999; E. Ma, D.P. Roy, U. Sarkar, Phys. Lett. B444 (1998) 391; F. Vissani, JHEP 9811:025, 1998; G. Altarelli, F. Feruglio, I. Masina, hep-ph/9907532; S. Davidson, S.F. King, Phys. Lett. B445 (1998) 191; J. Ellis, G.K. Leontans, S. Lola, D.V. Nanopoulos, Eur. Phys. J. C9 (1999) 389; K.R. Dienes, E. Dudas, T. Gherghetta, hep-ph/9811428; G. Dvali, A.Yu. Smirnov, hep-ph/9904211; R.N. Mohapatra, S. Nandi, A. Perez-Lorenzana, hep-ph/9907520; F. Vissani, hep-ph/9708483; H. Georgi, S.L. Glashow, hep-ph/9808293; G.C. Branco, M.N. Rebelo, J.I. Silva-Marcos, Phys. Rev. Lett. 82 (1999) 683; hep-ph/9906368.
36. M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D59:113016, 1999; Y. Nomura, T. Yanagida, Phys. Rev. D59:017303, 1999; C.H. Albright, S.M. Barr, Phys. Lett. B452 (1999) 287; hep-ph/9906297; B. Brahmachan, R.N. Mohapatra, Phys. Rev. D58:015003, 1998; G. Altarelli, F. Feruglio, JHEP 9811:021, 1998; Phys. Lett. B451 (1999) 388; Z. Berezhiani, A. Rossi, JHEP 9903:002, 1999; K. Hagiwara, N. Okamura, Nucl. Phys. B548 (1999) 60; K.S. Babu, B. Dutta, R.N. Mohapatra, Phys. Lett. B458 (1999) 93; M. Tanimoto, Phys. Lett. B456 (1999) 220; J.K. Elwood, N. Irges, P. Ramond, Phys. Rev. Lett. 81 (1998) 5064; S. Lola, G.G. Ross, Nucl. Phys. B553 (1999) 81; S.F. King, hep-ph/9904210; C. Wettench, Phys. Lett. B451 (1999) 397; R. Barbien, L.J. Hall, G.L. Kane, G.G. Ross, hep-ph/9901228; Y. Grossman, Y. Nir, Y. Shadmi, JHEP 9810:007, 1998; A. Ghosal, hep-ph/9905470; Yue-Liang Wu, hep-ph/9901320; M. Carena, J. Ellis, S. Lola, C.E.M. Wagner, hep-ph/9906362; W. Buchmuller, D. Delepine, F. Vissani, Phys. Lett. B459 (1999) 171; J.C. Romao, M.A. Diaz, M. Hirsch, W. Porod, J.W. F Valle, hep-ph/9907499; M.A. Diaz, J. Ferrandis, J.C. Romao, J.W.F. Valle,hep-ph/9906343; M. Tanimoto, T. Watan, T. Yanagida, hep-ph/9904338; W. Buchmuller, T. Yanagida, Phys. Lett. B445 (1999) 399; A.Yu. Smirnov, M. Tanimoto, Phys. Rev. D55 (1997) 1665; C. Jarlskog, M. Matsuda, S. Skadhauge, M. Tanimoto, Phys. Lett. B449 (1999) 240; A.S. Joshipura, S.D. Rindani, hep-ph/9907390; M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D57 (1998) 4429; M. Jeżabek, Y. Sumino, Phys. Lett. B440 (1998) 327; ibid. B457 (1999) 139; E. Ma, D.P. Roy, Phys. Rev. D59:097702, 1999; E. Ma, D.P. Roy, U. Sarkar, Phys. Lett. B444 (1998) 391; F. Vissani, JHEP 9811:025, 1998; G. Altarelli, F. Feruglio, I. Masina, hep-ph/9907532; S. Davidson, S.F. King, Phys. Lett. B445 (1998) 191; J. Ellis, G.K. Leontans, S. Lola, D.V. Nanopoulos, Eur. Phys. J. C9 (1999) 389; K.R. Dienes, E. Dudas, T. Gherghetta, hep-ph/9811428; G. Dvali, A.Yu. Smirnov, hep-ph/9904211; R.N. Mohapatra, S. Nandi, A. Perez-Lorenzana, hep-ph/9907520; F. Vissani, hep-ph/9708483; H. Georgi, S.L. Glashow, hep-ph/9808293; G.C. Branco, M.N. Rebelo, J.I. Silva-Marcos, Phys. Rev. Lett. 82 (1999) 683; hep-ph/9906368.
37. M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D59:113016, 1999; Y. Nomura, T. Yanagida, Phys. Rev. D59:017303, 1999; C.H. Albright, S.M. Barr, Phys. Lett. B452 (1999) 287; hep-ph/9906297; B. Brahmachan, R.N. Mohapatra, Phys. Rev. D58:015003, 1998; G. Altarelli, F. Feruglio, JHEP 9811:021, 1998; Phys. Lett. B451 (1999) 388; Z. Berezhiani, A. Rossi, JHEP 9903:002, 1999; K. Hagiwara, N. Okamura, Nucl. Phys. B548 (1999) 60; K.S. Babu, B. Dutta, R.N. Mohapatra, Phys. Lett. B458 (1999) 93; M. Tanimoto, Phys. Lett. B456 (1999) 220; J.K. Elwood, N. Irges, P. Ramond, Phys. Rev. Lett. 81 (1998) 5064; S. Lola, G.G. Ross, Nucl. Phys. B553 (1999) 81; S.F. King, hep-ph/9904210; C. Wettench, Phys. Lett. B451 (1999) 397; R. Barbien, L.J. Hall, G.L. Kane, G.G. Ross, hep-ph/9901228; Y. Grossman, Y. Nir, Y. Shadmi, JHEP 9810:007, 1998; A. Ghosal, hep-ph/9905470; Yue-Liang Wu, hep-ph/9901320; M. Carena, J. Ellis, S. Lola, C.E.M. Wagner, hep-ph/9906362; W. Buchmuller, D. Delepine, F. Vissani, Phys. Lett. B459 (1999) 171; J.C. Romao, M.A. Diaz, M. Hirsch, W. Porod, J.W. F Valle, hep-ph/9907499; M.A. Diaz, J. Ferrandis, J.C. Romao, J.W.F. Valle,hep-ph/9906343; M. Tanimoto, T. Watan, T. Yanagida, hep-ph/9904338; W. Buchmuller, T. Yanagida, Phys. Lett. B445 (1999) 399; A.Yu. Smirnov, M. Tanimoto, Phys. Rev. D55 (1997) 1665; C. Jarlskog, M. Matsuda, S. Skadhauge, M. Tanimoto, Phys. Lett. B449 (1999) 240; A.S. Joshipura, S.D. Rindani, hep-ph/9907390; M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D57 (1998) 4429; M. Jeżabek, Y. Sumino, Phys. Lett. B440 (1998) 327; ibid. B457 (1999) 139; E. Ma, D.P. Roy, Phys. Rev. D59:097702, 1999; E. Ma, D.P. Roy, U. Sarkar, Phys. Lett. B444 (1998) 391; F. Vissani, JHEP 9811:025, 1998; G. Altarelli, F. Feruglio, I. Masina, hep-ph/9907532; S. Davidson, S.F. King, Phys. Lett. B445 (1998) 191; J. Ellis, G.K. Leontans, S. Lola, D.V. Nanopoulos, Eur. Phys. J. C9 (1999) 389; K.R. Dienes, E. Dudas, T. Gherghetta, hep-ph/9811428; G. Dvali, A.Yu. Smirnov, hep-ph/9904211; R.N. Mohapatra, S. Nandi, A. Perez-Lorenzana, hep-ph/9907520; F. Vissani, hep-ph/9708483; H. Georgi, S.L. Glashow, hep-ph/9808293; G.C. Branco, M.N. Rebelo, J.I. Silva-Marcos, Phys. Rev. Lett. 82 (1999) 683; hep-ph/9906368.
38. M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D59:113016, 1999; Y. Nomura, T. Yanagida, Phys. Rev. D59:017303, 1999; C.H. Albright, S.M. Barr, Phys. Lett. B452 (1999) 287; hep-ph/9906297; B. Brahmachan, R.N. Mohapatra, Phys. Rev. D58:015003, 1998; G. Altarelli, F. Feruglio, JHEP 9811:021, 1998; Phys. Lett. B451 (1999) 388; Z. Berezhiani, A. Rossi, JHEP 9903:002, 1999; K. Hagiwara, N. Okamura, Nucl. Phys. B548 (1999) 60; K.S. Babu, B. Dutta, R.N. Mohapatra, Phys. Lett. B458 (1999) 93; M. Tanimoto, Phys. Lett. B456 (1999) 220; J.K. Elwood, N. Irges, P. Ramond, Phys. Rev. Lett. 81 (1998) 5064; S. Lola, G.G. Ross, Nucl. Phys. B553 (1999) 81; S.F. King, hep-ph/9904210; C. Wettench, Phys. Lett. B451 (1999) 397; R. Barbien, L.J. Hall, G.L. Kane, G.G. Ross, hep-ph/9901228; Y. Grossman, Y. Nir, Y. Shadmi, JHEP 9810:007, 1998; A. Ghosal, hep-ph/9905470; Yue-Liang Wu, hep-ph/9901320; M. Carena, J. Ellis, S. Lola, C.E.M. Wagner, hep-ph/9906362; W. Buchmuller, D. Delepine, F. Vissani, Phys. Lett. B459 (1999) 171; J.C. Romao, M.A. Diaz, M. Hirsch, W. Porod, J.W. F Valle, hep-ph/9907499; M.A. Diaz, J. Ferrandis, J.C. Romao, J.W.F. Valle,hep-ph/9906343; M. Tanimoto, T. Watan, T. Yanagida, hep-ph/9904338; W. Buchmuller, T. Yanagida, Phys. Lett. B445 (1999) 399; A.Yu. Smirnov, M. Tanimoto, Phys. Rev. D55 (1997) 1665; C. Jarlskog, M. Matsuda, S. Skadhauge, M. Tanimoto, Phys. Lett. B449 (1999) 240; A.S. Joshipura, S.D. Rindani, hep-ph/9907390; M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D57 (1998) 4429; M. Jeżabek, Y. Sumino, Phys. Lett. B440 (1998) 327; ibid. B457 (1999) 139; E. Ma, D.P. Roy, Phys. Rev. D59:097702, 1999; E. Ma, D.P. Roy, U. Sarkar, Phys. Lett. B444 (1998) 391; F. Vissani, JHEP 9811:025, 1998; G. Altarelli, F. Feruglio, I. Masina, hep-ph/9907532; S. Davidson, S.F. King, Phys. Lett. B445 (1998) 191; J. Ellis, G.K. Leontans, S. Lola, D.V. Nanopoulos, Eur. Phys. J. C9 (1999) 389; K.R. Dienes, E. Dudas, T. Gherghetta, hep-ph/9811428; G. Dvali, A.Yu. Smirnov, hep-ph/9904211; R.N. Mohapatra, S. Nandi, A. Perez-Lorenzana, hep-ph/9907520; F. Vissani, hep-ph/9708483; H. Georgi, S.L. Glashow, hep-ph/9808293; G.C. Branco, M.N. Rebelo, J.I. Silva-Marcos, Phys. Rev. Lett. 82 (1999) 683; hep-ph/9906368.
39. M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D59:113016, 1999; Y. Nomura, T. Yanagida, Phys. Rev. D59:017303, 1999; C.H. Albright, S.M. Barr, Phys. Lett. B452 (1999) 287; hep-ph/9906297; B. Brahmachan, R.N. Mohapatra, Phys. Rev. D58:015003, 1998; G. Altarelli, F. Feruglio, JHEP 9811:021, 1998; Phys. Lett. B451 (1999) 388; Z. Berezhiani, A. Rossi, JHEP 9903:002, 1999; K. Hagiwara, N. Okamura, Nucl. Phys. B548 (1999) 60; K.S. Babu, B. Dutta, R.N. Mohapatra, Phys. Lett. B458 (1999) 93; M. Tanimoto, Phys. Lett. B456 (1999) 220; J.K. Elwood, N. Irges, P. Ramond, Phys. Rev. Lett. 81 (1998) 5064; S. Lola, G.G. Ross, Nucl. Phys. B553 (1999) 81; S.F. King, hep-ph/9904210; C. Wettench, Phys. Lett. B451 (1999) 397; R. Barbien, L.J. Hall, G.L. Kane, G.G. Ross, hep-ph/9901228; Y. Grossman, Y. Nir, Y. Shadmi, JHEP 9810:007, 1998; A. Ghosal, hep-ph/9905470; Yue-Liang Wu, hep-ph/9901320; M. Carena, J. Ellis, S. Lola, C.E.M. Wagner, hep-ph/9906362; W. Buchmuller, D. Delepine, F. Vissani, Phys. Lett. B459 (1999) 171; J.C. Romao, M.A. Diaz, M. Hirsch, W. Porod, J.W. F Valle, hep-ph/9907499; M.A. Diaz, J. Ferrandis, J.C. Romao, J.W.F. Valle,hep-ph/9906343; M. Tanimoto, T. Watan, T. Yanagida, hep-ph/9904338; W. Buchmuller, T. Yanagida, Phys. Lett. B445 (1999) 399; A.Yu. Smirnov, M. Tanimoto, Phys. Rev. D55 (1997) 1665; C. Jarlskog, M. Matsuda, S. Skadhauge, M. Tanimoto, Phys. Lett. B449 (1999) 240; A.S. Joshipura, S.D. Rindani, hep-ph/9907390; M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D57 (1998) 4429; M. Jeżabek, Y. Sumino, Phys. Lett. B440 (1998) 327; ibid. B457 (1999) 139; E. Ma, D.P. Roy, Phys. Rev. D59:097702, 1999; E. Ma, D.P. Roy, U. Sarkar, Phys. Lett. B444 (1998) 391; F. Vissani, JHEP 9811:025, 1998; G. Altarelli, F. Feruglio, I. Masina, hep-ph/9907532; S. Davidson, S.F. King, Phys. Lett. B445 (1998) 191; J. Ellis, G.K. Leontans, S. Lola, D.V. Nanopoulos, Eur. Phys. J. C9 (1999) 389; K.R. Dienes, E. Dudas, T. Gherghetta, hep-ph/9811428; G. Dvali, A.Yu. Smirnov, hep-ph/9904211; R.N. Mohapatra, S. Nandi, A. Perez-Lorenzana, hep-ph/9907520; F. Vissani, hep-ph/9708483; H. Georgi, S.L. Glashow, hep-ph/9808293; G.C. Branco, M.N. Rebelo, J.I. Silva-Marcos, Phys. Rev. Lett. 82 (1999) 683; hep-ph/9906368.
40. M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D59:113016, 1999; Y. Nomura, T. Yanagida, Phys. Rev. D59:017303, 1999; C.H. Albright, S.M. Barr, Phys. Lett. B452 (1999) 287; hep-ph/9906297; B. Brahmachan, R.N. Mohapatra, Phys. Rev. D58:015003, 1998; G. Altarelli, F. Feruglio, JHEP 9811:021, 1998; Phys. Lett. B451 (1999) 388; Z. Berezhiani, A. Rossi, JHEP 9903:002, 1999; K. Hagiwara, N. Okamura, Nucl. Phys. B548 (1999) 60; K.S. Babu, B. Dutta, R.N. Mohapatra, Phys. Lett. B458 (1999) 93; M. Tanimoto, Phys. Lett. B456 (1999) 220; J.K. Elwood, N. Irges, P. Ramond, Phys. Rev. Lett. 81 (1998) 5064; S. Lola, G.G. Ross, Nucl. Phys. B553 (1999) 81; S.F. King, hep-ph/9904210; C. Wettench, Phys. Lett. B451 (1999) 397; R. Barbien, L.J. Hall, G.L. Kane, G.G. Ross, hep-ph/9901228; Y. Grossman, Y. Nir, Y. Shadmi, JHEP 9810:007, 1998; A. Ghosal, hep-ph/9905470; Yue-Liang Wu, hep-ph/9901320; M. Carena, J. Ellis, S. Lola, C.E.M. Wagner, hep-ph/9906362; W. Buchmuller, D. Delepine, F. Vissani, Phys. Lett. B459 (1999) 171; J.C. Romao, M.A. Diaz, M. Hirsch, W. Porod, J.W. F Valle, hep-ph/9907499; M.A. Diaz, J. Ferrandis, J.C. Romao, J.W.F. Valle,hep-ph/9906343; M. Tanimoto, T. Watan, T. Yanagida, hep-ph/9904338; W. Buchmuller, T. Yanagida, Phys. Lett. B445 (1999) 399; A.Yu. Smirnov, M. Tanimoto, Phys. Rev. D55 (1997) 1665; C. Jarlskog, M. Matsuda, S. Skadhauge, M. Tanimoto, Phys. Lett. B449 (1999) 240; A.S. Joshipura, S.D. Rindani, hep-ph/9907390; M. Fukugita, M. Tanimoto, T. Yanagida, Phys. Rev. D57 (1998) 4429; M. Jeżabek, Y. Sumino, Phys. Lett. B440 (1998) 327; ibid. B457 (1999) 139; E. Ma, D.P. Roy, Phys. Rev. D59:097702, 1999; E. Ma, D.P. Roy, U. Sarkar, Phys. Lett. B444 (1998) 391; F. Vissani, JHEP 9811:025, 1998; G. Altarelli, F.
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