A low αs and ITS consequences for unified model building

International Journal of Modern Physics A

Volumn 11, Issue 10, 1996, Pages 1699-1713

  Brahmachari, Biswajoy ^a   Mohapatra, Rabindra N ^b  

^a ABDUS SALAM INTERNATIONAL CENTRE FOR THEORETICAL PHYSICS   (Italy)

^b Bldg 142   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0000251371     PISSN: 0217751X     EISSN: None     Source Type: Journal    
DOI: 10.1142/S0217751X96000900     Document Type: Article

References (60)

1. M. Shifman, Mod. Phys. Lett. A10, 605 (1995).
2. s," in QCD - 20 Years Later (Proc. 1993 Aachen Workshop), eds. P. Zerwas and H. Kastrup (World Scientific, Singapore, 1993), Vol. 1, p. 172.
3. M. Virchaux and A. Milsztajn, Phys. Lett. B274, 221 (1992)
4. A. X. El-Kadra, G. Hockney, A. Kornfeld and P. Mackenzie, Phys. Rev. Lett. 69, 729 (1992); C. Davies, K. Hornbostel, G. Lepage, A. Lidsey, J. Shigemitsu and J. Sloan, Phys. Lett. B345, 42 (1995).
5. A. X. El-Kadra, G. Hockney, A. Kornfeld and P. Mackenzie, Phys. Rev. Lett. 69, 729 (1992); C. Davies, K. Hornbostel, G. Lepage, A. Lidsey, J. Shigemitsu and J. Sloan, Phys. Lett. B345, 42 (1995).
6. J. Erler and P. Langacker, UPR-0632-T (1994), hep-ph/9411203; P. Langacker and N. Polonsky, UPR-0642T (1994), hep-ph/9503214.
7. J. Erler and P. Langacker, UPR-0632-T (1994), hep-ph/9411203; P. Langacker and N. Polonsky, UPR-0642T (1994), hep-ph/9503214.
8. G. Kane, R. Stuart and J. Wells, UM-TH-94-16A (1995), hep-ph/9505207; J. Wells, C. Kolda and G. Kane, Phys. Lett. B338, 219 (1994); M. Olechowski and S. Pokorski, Phys. Lett. B344, 201 (1994).
9. G. Kane, R. Stuart and J. Wells, UM-TH-94-16A (1995), hep-ph/9505207; J. Wells, C. Kolda and G. Kane, Phys. Lett. B338, 219 (1994); M. Olechowski and S. Pokorski, Phys. Lett. B344, 201 (1994).
10. G. Kane, R. Stuart and J. Wells, UM-TH-94-16A (1995), hep-ph/9505207; J. Wells, C. Kolda and G. Kane, Phys. Lett. B338, 219 (1994); M. Olechowski and S. Pokorski, Phys. Lett. B344, 201 (1994).
11. U. Amaldi, W. de Boer and H. Furstenau, Phys. Lett. B260, 447 (1991); P. Langacker and M. Luo, Phys. Rev. D44, 817 (1991); J. Ellis, S. Kelly and D. Nanopoulos, Phys. Lett. B249, 441 (1990); B. Brahmachari, U. Sarkar and K. Sridhar, Phys. Lett. B273, 105 (1992).
12. U. Amaldi, W. de Boer and H. Furstenau, Phys. Lett. B260, 447 (1991); P. Langacker and M. Luo, Phys. Rev. D44, 817 (1991); J. Ellis, S. Kelly and D. Nanopoulos, Phys. Lett. B249, 441 (1990); B. Brahmachari, U. Sarkar and K. Sridhar, Phys. Lett. B273, 105 (1992).
13. U. Amaldi, W. de Boer and H. Furstenau, Phys. Lett. B260, 447 (1991); P. Langacker and M. Luo, Phys. Rev. D44, 817 (1991); J. Ellis, S. Kelly and D. Nanopoulos, Phys. Lett. B249, 441 (1990); B. Brahmachari, U. Sarkar and K. Sridhar, Phys. Lett. B273, 105 (1992).
14. U. Amaldi, W. de Boer and H. Furstenau, Phys. Lett. B260, 447 (1991); P. Langacker and M. Luo, Phys. Rev. D44, 817 (1991); J. Ellis, S. Kelly and D. Nanopoulos, Phys. Lett. B249, 441 (1990); B. Brahmachari, U. Sarkar and K. Sridhar, Phys. Lett. B273, 105 (1992).
15. L. Clavelli and P. Coulter, Phys. Rev. D51, 3913 (1994), hep/ph 9507261; J. Bagger, K. Matchev and D. Pierce, Phys. Lett. B348, 443 (1995).
16. L. Clavelli and P. Coulter, Phys. Rev. D51, 3913 (1994), hep/ph 9507261; J. Bagger, K. Matchev and D. Pierce, Phys. Lett. B348, 443 (1995).
17. M. Bastero-Gil and J. Perez-Mercader, LAEFF-95-01, hep-ph/9506222 (to appear in Nucl. Phys. B); Phys. Lett. B322, 355 (1994).
18. M. Bastero-Gil and J. Perez-Mercader, LAEFF-95-01, hep-ph/9506222 (to appear in Nucl. Phys. B); Phys. Lett. B322, 355 (1994).
19. P. H. Chankowski, Z. Pluciennik and S. Pokorski, Nucl. Phys. B439, 23 (1995); IFT-95-9, hep-ph/9506393.
20. For reviews see: H. P. Nilles, Phys. Rep. 110, 1 (1984); H. E. Haber and G. L. Kane, Phys. Rep. 117, 75 (1985); R. N. Mohapatra, Unification and Supersymmetry, 2nd ed. (Springer-Verlag, 1992).
21. For reviews see: H. P. Nilles, Phys. Rep. 110, 1 (1984); H. E. Haber and G. L. Kane, Phys. Rep. 117, 75 (1985); R. N. Mohapatra, Unification and Supersymmetry, 2nd ed. (Springer-Verlag, 1992).
22. For reviews see: H. P. Nilles, Phys. Rep. 110, 1 (1984); H. E. Haber and G. L. Kane, Phys. Rep. 117, 75 (1985); R. N. Mohapatra, Unification and Supersymmetry, 2nd ed. (Springer-Verlag, 1992).
23. Nonuniversality of soft masses has been considered by: Y. Kawamura, H. Murayama and M. Yamaguchi, Phys. Rev. D51, 1337 (1995); see also the third entry of Ref. 6.
24. Nonuniversality of soft masses has been considered by: Y. Kawamura, H. Murayama and M. Yamaguchi, Phys. Rev. D51, 1337 (1995); see also the third entry of Ref. 6.
25. L. Roszkowski and M. Shifman, UMN-TH-1330-95, hep-ph/9503358.
26. J. E. Kim, Phys. Rep. 150, 1 (1987) and references therein; R. D. Peccei, in CP Violation, ed. C. Jarlskog (World Scientific, 1989).
27. J. E. Kim, Phys. Rep. 150, 1 (1987) and references therein; R. D. Peccei, in CP Violation, ed. C. Jarlskog (World Scientific, 1989).
28. T has to constitute the hot dark matter of the universe. See for example: R. Shafer and Q. Shafi, Nature 359, 199 (1992).
29. M. Gell-Mann, P. Rammond and R. Slansky, in Supergravity, eds. D. Freedman et al. (North-Holland, Amsterdam, 1980); T. Yanagida, in proc. KEK workshop, 1979 (unpublished): R. N. Mohapatra and G. Senjanovic, Phys. Rev. Lett. 44, 912 (1980).
30. M. Gell-Mann, P. Rammond and R. Slansky, in Supergravity, eds. D. Freedman et al. (North-Holland, Amsterdam, 1980); T. Yanagida, in proc. KEK workshop, 1979 (unpublished): R. N. Mohapatra and G. Senjanovic, Phys. Rev. Lett. 44, 912 (1980).
31. M. Gell-Mann, P. Rammond and R. Slansky, in Supergravity, eds. D. Freedman et al. (North-Holland, Amsterdam, 1980); T. Yanagida, in proc. KEK workshop, 1979 (unpublished): R. N. Mohapatra and G. Senjanovic, Phys. Rev. Lett. 44, 912 (1980).
32. These conditions are similar to the ones obtained by M. Bando, J. Sato and T. Takahashi, KUNS-1298 (1994), hep/ph 9411201.
33. D. G. Lee and R. N. Mohapatra, Phys. Rev. D52, 4125 (1995); hep-ph/9502210.
34. S. Choudhuri, S. Chung and J. Lykken, FERMILAB-PUB-94/137-T, hep-ph/9501361; G. Cleaver, OHSTPY-HEP-T-94-007, hep-th/9409096; G. Aldazabal, A. Font, L. Ibanez and A. M. Uranga, FTUAM-94-28 (1994).
35. S. Choudhuri, S. Chung and J. Lykken, FERMILAB-PUB-94/137-T, hep-ph/9501361; G. Cleaver, OHSTPY-HEP-T-94-007, hep-th/9409096; G. Aldazabal, A. Font, L. Ibanez and A. M. Uranga, FTUAM-94-28 (1994).
36. S. Choudhuri, S. Chung and J. Lykken, FERMILAB-PUB-94/137-T, hep-ph/9501361; G. Cleaver, OHSTPY-HEP-T-94-007, hep-th/9409096; G. Aldazabal, A. Font, L. Ibanez and A. M. Uranga, FTUAM-94-28 (1994).
37. B. Brahmachari and R. N. Mohapatra, Phys. Lett. B357, 566 (1995); hep-ph/9505347.
38. V. Barger, M. S. Berger and P. Ohmann, Phys. Rev. D47, 1093 (1993).
39. F. Vissani and A. Yu. Smirnov, Phys. Lett. B341, 173 (1994); A. Brignole, H. Murayama and R. Rattazi, LBL-35774 (1994), hep/ph 9406397. For the evolution of the Yukawa couplings in a SUSY left-right-symmetric theory see also: B. Brahmachari, Phys. Rev. D52, R1 (1995).
40. F. Vissani and A. Yu. Smirnov, Phys. Lett. B341, 173 (1994); A. Brignole, H. Murayama and R. Rattazi, LBL-35774 (1994), hep/ph 9406397. For the evolution of the Yukawa couplings in a SUSY left-right-symmetric theory see also: B. Brahmachari, Phys. Rev. D52, R1 (1995).
41. F. Vissani and A. Yu. Smirnov, Phys. Lett. B341, 173 (1994); A. Brignole, H. Murayama and R. Rattazi, LBL-35774 (1994), hep/ph 9406397. For the evolution of the Yukawa couplings in a SUSY left-right-symmetric theory see also: B. Brahmachari, Phys. Rev. D52, R1 (1995).
42. "Review of particle properties." Particle Data Group, Phys. Rev. D50, 1173 (1994).
43. M. Bastero-Gil and B. Brahmachari, IC-95-133, hep-ph/9507359.
44. K. S. Babu and S. M. Barr, Phys. Rev. D48, 5354 (1993); D51, 2463 (1995).
45. K. S. Babu and S. M. Barr, Phys. Rev. D48, 5354 (1993); D51, 2463 (1995).
46. P. Langacker and N. Polonsky, Phys. Rev. D47, 4028 (1993); UPR-0642T (1995). hep-ph/9503214.
47. R. Barbieri and L. J. Hall, Phys. Rev. Lett. 68, 742 (1992).
48. A. Masiero, D. V. Nanopoulos, K. Tamkavis and T. Yanagida, Phys. Lett. B115, 380 (1982).
49. K. Hagiwara and Y. Yamada, Phys. Rev. Lett. 70, 709 (1993); Y. Yamada, Z. Phys. C60, 83 (1993); J. Hisano et al., Phys. Lett. B342, 138 (1995); J. Lopez and D. Nanopoulos, hep-ph/9508253.
50. K. Hagiwara and Y. Yamada, Phys. Rev. Lett. 70, 709 (1993); Y. Yamada, Z. Phys. C60, 83 (1993); J. Hisano et al., Phys. Lett. B342, 138 (1995); J. Lopez and D. Nanopoulos, hep-ph/9508253.
51. K. Hagiwara and Y. Yamada, Phys. Rev. Lett. 70, 709 (1993); Y. Yamada, Z. Phys. C60, 83 (1993); J. Hisano et al., Phys. Lett. B342, 138 (1995); J. Lopez and D. Nanopoulos, hep-ph/9508253.
52. K. Hagiwara and Y. Yamada, Phys. Rev. Lett. 70, 709 (1993); Y. Yamada, Z. Phys. C60, 83 (1993); J. Hisano et al., Phys. Lett. B342, 138 (1995); J. Lopez and D. Nanopoulos, hep-ph/9508253.
53. J. Hisano, H. Murayama and T. Yanagida, Phys. Rev. Lett. 69, 1014 (1992); Nucl. Phys. B402, 46 (1993).
54. J. Hisano, H. Murayama and T. Yanagida, Phys. Rev. Lett. 69, 1014 (1992); Nucl. Phys. B402, 46 (1993).
55. S. P. Martin and P. Ramond, Phys. Rev. D51, 6515 (1995); R. Hemfling, Phys. Lett. B351, 206 (1995).
56. S. P. Martin and P. Ramond, Phys. Rev. D51, 6515 (1995); R. Hemfling, Phys. Lett. B351, 206 (1995).
57. The possibility of having a low right-handed symmetry-breaking scale in an SO(10) GUT by gravitational corrections has been considered by: A. Datta, S. Pakvasa and U. Sarkar, Phys. Rev. D50, 2192 (1994).
58. s have been discussed by: D. Ring, S. Urano and R. Arnowitt, CTP-TAMU-01-95, hep-ph/9501247.
59. s have been discussed by: D. Ring, S. Urano and R. Arnowitt, CTP-TAMU-01-95, hep-ph/9501247.
60. S. Dimopoulos and F. Wilczek, Report No. NSF-ITP-82-07 (unpublished).