Supersymmetric Higgs boson pair production at hadron colliders

Physical Review D - Particles, Fields, Gravitation and Cosmology

Volumn 60, Issue 7, 1999, Pages

  Belyaev, A ^a   Drees, M ^a   Eboli O J P ^a   Mizukoshi, J K ^a   Novaes, S F ^a  

^a SÃO PAULO STATE UNIVERSITY UNESP   (Brazil)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 18244390973     PISSN: 15507998     EISSN: 15502368     Source Type: Journal    
DOI: 10.1103/PhysRevD.60.075008     Document Type: Article

References (59)

1. E. Witten, Nucl. Phys. B188, 513 (1981).
2. For a review, see H. E. Haber and G. L. Kane, Phys. Rep. 117, 75 (1985).
3. See, e.g., J. F. Gunion, H. E. Haber, G. L. Kane, and S. Dawson, The Higgs Hunter’s Guide (Addison-Wesley, Reading, MA, 1990).
4. V. Barger, K. Cheung, R. J. N. Phillips, and A. Stange, Phys. Rev. D 47, 3041 (1993)
5. A. Djouadi, J. Kalinowski, and P. Zerwas, Z. Phys. C 57, 569 (1993)
6. Z. Phys. CA. Yamada, 61, 247 (1994).
7. H. Georgi, S. L. Glashow, M. E. Machacek, and D. V. Nanopoulos, Phys. Rev. Lett. 40, 692 (1978)
8. S. F. Novaes, Phys. Rev. D 27, 2211 (1983).
9. J. F. Gunion and H. E. Haber, Nucl. Phys. B278, 449 (1986).
10. A. Djouadi, M. Spira, and P. M. Zerwas, Phys. Lett. B 264, 440 (1991)
11. S. Dawson, Nucl. Phys. B359, 283 (1991)
12. Nucl. Phys.M. Spira, A. Djouadi, D. Graudenz, and P. M. Zerwas, B453, 17 (1995).
13. S. Dawson, A. Djouadi, and M. Spira, Phys. Rev. Lett. 77, 16 (1996).
14. J. F. Gunion, G. Gamberini, and S. F. Novaes, Phys. Rev. D 38, 3481 (1988).
15. A. Djouadi, Phys. Lett. B 435, 101 (1998).
16. For a review, see J. F. Gunion, A. Stange, and S. Willenbrock, in Electroweak Symmetry Breaking and New Physics at the TeV Scale, edited by T. L. Barklow, S. Dawson, H. E. Haber, and J. L. Siegrist (World Scientific, Singapore, 1996), hep-ph/9602238.
17. A. Stange, W. Marciano, and S. Willenbrock, Phys. Rev. D 49, 1354 (1994)
18. A. Belyaev, E. Boos, and L. Dudko, Mod. Phys. Lett. A 10, 25 (1995).
19. CMS Collaboration, S. Abdullin, CMS-NOTE-1998-006, hep-ph/9806366.
20. J. Dai, J. F. Gunion, and R. Vega, Phys. Lett. B 315, 355 (1993)
21. Phys. Lett. BJ. DaiJ. F. GunionR. Vega345, 29 (1995).
22. A. Djouadi, J. L. Kneur, and G. Moultaka, Phys. Rev. Lett. 80, 1830 (1998)
23. A. Dedes and S. Moretti, Phys. Rev. D 60, 015007 (1999)
24. G. Bélanger, F. Boudjema, and K. Sridhar, hep-ph/9904348.
25. J. Lorenzo Diaz-Cruz, Hong-Jian He, Tim Tait, and C. P. Yuan, Phys. Rev. Lett. 80, 4641 (1998)
26. C. Balazs, J. L. Diaz-Cruz, H. J. He, T. Tait, and C. P. Yuan, Phys. Rev. D 59, 055016 (1999).
27. M. Drees, M. Guchait, and P. Roy, Phys. Rev. Lett. 80, 2047 (1998)
28. Phys. Rev. Lett.M. DreesM. GuchaitP. Roy81, 2394(E) (1998).
29. A. Djouadi, W. Kilian, M. Muhlleitner, and P. M. Zerwas, DESY 99/033, hep-ph/9904287.
30. O. J. P. Éboli, G. C. Marques, S. F. Novaes, and A. A. Natale, Phys. Lett. B 197, 269 (1987)
31. Phys. Lett. BD. D. Dicus, C. Kao, and S. Willenbrock, 203, 457 (1988)
32. E. W. N. Glover and J. J. van der Bij, Nucl. Phys. B309, 282 (1988).
33. T. Plehn, M. Spira, and P. M. Zerwas, Nucl. Phys. B479, 46 (1996)
34. Nucl. Phys.T. PlehnM. SpiraP. M. ZerwasB531, 655(E) (1998).
35. S. Dawson, S. Dittmaier, and M. Spira, Phys. Rev. D 58, 115012 (1998).
36. R. Mertig, M. Bohm, and A. Denner, Comput. Phys. Commun. 64, 345 (1991).
37. G. Passarino and M. Veltman, Nucl. Phys. B160, 151 (1979).
38. CTEQ Collaboration, H. Lai, J. Huston, S. Kuhlmann, F. Olness, J. Owens, D. Soper, W.-K. Tung, and H. Weerts, Phys. Rev. D 55, 1280 (1997).
39. Of course, squark masses below 50 GeV are excluded experimentally. We extend the curves in Fig. 33 to such small values of (Formula presented) since the shapes of these curves remain the same when (Formula presented) and (Formula presented) are all scaled up by the same factor. In some regions of parameter space (Formula presented) or (Formula presented) decays are still possible
40. see A. Bartl, H. Eberl, K. Hidaka, T. Kon, W. Majerotto, and Y. Yamada, Phys. Lett. B 402, 303 (1997).
41. ALEPH Collaboration, R. Barate, Phys. Lett. B 440, 419 (1998)
42. Phys. Lett. BL3 Collaboration, M. Acciarri, 436, 389 (1998)
43. OPAL Collaboration, G. Abbiendi, Eur. Phys. J. C 7, 407 (1999).
44. Y. Okada, M. Yamaguchi, and T. Yanagida, Prog. Theor. Phys. 85, 1 (1991)
45. H. E. Haber and R. Hempfling, Phys. Rev. Lett. 66, 1815 (1991).
46. J. Ellis, G. Ridolfi, and F. Zwirner, Phys. Lett. B 257, 83 (1991)
47. Phys. Lett. BJ. EllisG. RidolfiF. Zwirner262, 477 (1991).
48. M. Drees and M. M. Nojiri, Phys. Rev. D 45, 2482 (1992).
49. The expressions in M. Carena, J. Espinosa, M. Quirós, and C. Wagner, Phys. Lett. B 355, 209 (1995)
50. M. Carena, M. Quirós, and C. Wagner, Nucl. Phys. B461, 407 (1996) that include RG improvement and leading 2-loop corrections are not applicable for large splitting between the squark masses; such cases are important for us.
51. Note also that much of these effects can be incorporated into the 1-loop expression [see 29 and H. E. Haber, R. Hempfling, and A. Hoang, Z. Phys. C 75, 539 (1997)] by using running quark masses at the appropriate scale.
52. OPAL Collaboration, G. Abbiendi, Phys. Lett. B 456, 95 (1999).
53. Searches at the Tevatron [D0 Collaboration, S. Abachi, Phys. Rev. Lett. 76, 2222 (1996)
54. C. Holck for the CDF Collaboration, in the Proceedings of the 1999 DPF conference, Los Angeles, CA, 1999, hep-ex/9903060] for a single squark mass eigenstate decaying into a stable neutralino plus a light quark exclude squark masses up to (Formula presented), but only if the neutralino mass is less than (Formula presented). Under the same assumptions the LEP search limit remains valid as long as the squark-neutralino mass splitting exceeds (Formula presented).
55. Preliminary results from the LEP run at (Formula presented) [M. Pepe-Altarelli for the ALEPH Collaboration, hep-ex/9904006] indicate (Formula presented) for SM-like h. This would exclude only the very top of the curves in Fig. 44(b), reducing the maximal squark loop contribution in this case by about a factor of 2.
56. We are assuming here that the relevant Yukawa couplings, i.e., the Higgs boson mixing angles (Formula presented) and (Formula presented), are known from other measurements; otherwise the uncertainty in the quark loop contribution is much larger.
57. R. M. Barnett, G. Senjanovic, and D. Wyler, Phys. Rev. D 30, 1529 (1984)
58. P. N. Pandita, Phys. Lett. 151B, 51 (1985).
59. A. Belyaev(in preparation).