The forward-backward top asymmetry in a singlet extension of the MSSM

Journal of High Energy Physics

Volumn 2012, Issue 2, 2012, Pages

  De La Puente, Alejandro ^a,b  

^a UNIVERSITY OF NOTRE DAME   (United States)

^b FERMI NATIONAL ACCELERATOR LABORATORY   (United States)

Author keywords

Supersymmetry phenomenology

Indexed keywords

EID: 84857836919     PISSN: 11266708     EISSN: 10298479     Source Type: Journal    
DOI: 10.1007/JHEP02(2012)016     Document Type: Article

References (38)

1. CDF collaboration, T. Aaltonen et al., Evidence for a mass dependent forward-backward asymmetry in top quark pair production, Phys. Rev. D 83 (2011) 112003 [arXiv:1101.0034].
2. D0 collaboration, V.M. Abazov et al., Forward-backward asymmetry in top quark-antiquark production, Phys. Rev. D 84 (2011) 112005 [arXiv:1107.4995].
3. A. Delgado, C. Kolda, J. Olson and A. de la Puente, Solving the little hierarchy problem with a singlet and explicit μ terms, Phys. Rev. Lett. 105 (2010) 091802 [arXiv:1005.1282].
4. A. Delgado, C. Kolda and A. de la Puente, Solving the hierarchy problem with a light singlet and supersymmetric mass terms, arXiv:1111.4008.
5. J.R. Espinosa and M. Quirós, Upper bounds on the lightest Higgs boson mass in general supersymmetric standard models, Phys. Lett. B 302 (1993) 51 [hep-ph/9212305].
6. G.L. Kane, C.F. Kolda and J.D. Wells, Calculable upper limit on the mass of the lightest Higgs boson in any perturbatively valid supersymmetric theory, Phys. Rev. Lett. 70 (1993) 2686 [hep-ph/9210242].
7. J.R. Espinosa and M. Quirós, Gauge unification and the supersymmetric light Higgs mass, Phys. Rev. Lett. 81 (1998) 516 [hep-ph/9804235].
8. D. Hooper and T.M.P. Tait, Neutralinos in an extension of the minimal supersymmetric standard model as the source of the PAMELA positron excess, Phys. Rev. D 80 (2009) 055028 [arXiv:0906.0362].
9. A.V. Belikov, J.F. Gunion, D. Hooper and T.M.P. Tait, CoGeNT, DAMA and light neutralino dark matter, Phys. Lett. B 705 (2011) 82 [arXiv:1009.0549].
10. J. Cao, Z. Heng, L. Wu and J.M. Yang, Top quark forward-backward asymmetry at the Tevatron: a comparative study in different new physics models, Phys. Rev. D 81 (2010) 014016 [arXiv:0912.1447].
11. U. Haisch and S. Westhoff, Massive color-octet bosons: bounds on effects in top-quark pair production, JHEP 08 (2011) 088 [arXiv:1106.0529].
12. G. Isidori and J.F. Kamenik, Forward-backward tt̄ asymmetry from anomalous stop pair production, Phys. Lett. B 700 (2011) 145 [arXiv:1103.0016].
13. B. Grinstein, A.L. Kagan, M. Trott and J. Zupan, Forward-backward asymmetry in tt̄ production from flavour symmetries, Phys. Rev. Lett. 107 (2011) 012002 [arXiv:1102.3374].
14. K.M. Patel and P. Sharma, Forward-backward asymmetry in top quark production from light colored scalars in SO(10) model, JHEP 04 (2011) 085 [arXiv:1102.4736].
15. Z. Ligeti, G.M. Tavares and M. Schmaltz, Explaining the tt̄ forward-backward asymmetry without dijet or flavor anomalies, JHEP 06 (2011) 109 [arXiv:1103.2757].
16. J.A. Aguilar-Saavedra and M. Pérez-Victoria, Probing the Tevatron tt̄ asymmetry at LHC, JHEP 05 (2011) 034 [arXiv:1103.2765].
17. M.I. Gresham, I.-W. Kim and K.M. Zurek, On models of new physics for the Tevatron top AFB, Phys. Rev. D 83 (2011) 114027 [arXiv:1103.3501].
18. J. Shu, K. Wang and G. Zhu, A revisit to top quark forward-backward asymmetry, arXiv:1104.0083.
19. J.A. Aguilar-Saavedra and M. Pérez-Victoria, No like-sign tops at Tevatron: constraints on extended models and implications for the tt̄ asymmetry, Phys. Lett. B 701 (2011) 93 [arXiv:1104.1385].
20. A.E. Nelson, T. Okui and T.S. Roy, A unified, flavor symmetric explanation for the tt̄ asymmetry and Wjj excess at CDF, Phys. Rev. D 84 (2011) 094007 [arXiv:1104.2030].
21. K.S. Babu, M. Frank and S.K. Rai, Top quark asymmetry and Wjj excess at CDF from gauged flavor symmetry, Phys. Rev. Lett. 107 (2011) 061802 [arXiv:1104.4782].
22. Y. Cui, Z. Han and M.D. Schwartz, Top condensation as a motivated explanation of the top forward-backward asymmetry, JHEP 07 (2011) 127 [arXiv:1106.3086].
23. J.A. Aguilar-Saavedra and M. Pérez-Victoria, Simple models for the top asymmetry: constraints and predictions, JHEP 09 (2011) 097 [arXiv:1107.0841].
24. L. Vecchi, Color and weak triplet scalars, the dimuon asymmetry in Bs decay, the top forward-backward asymmetry and the CDF dijet excess, JHEP 10 (2011) 003 [arXiv:1107.2933].
25. I. Dorsner, S. Fajfer, J.F. Kamenik and N. Kosnik, Light colored scalars from grand unification and the forward-backward asymmetry in tt̄ production, Phys. Rev. D 81 (2010) 055009 [arXiv:0912.0972].
26. Q.-H. Cao, D. McKeen, J.L. Rosner, G. Shaughnessy and C.E.M. Wagner, Forward-backward asymmetry of top quark pair production, Phys. Rev. D 81 (2010) 114004 [arXiv:1003.3461].
27. J. Shu, T.M.P. Tait and K. Wang, Explorations of the top quark forward-backward asymmetry at the Tevatron, Phys. Rev. D 81 (2010) 034012 [arXiv:0911.3237].
28. K. Blum, Y. Hochberg and Y. Nir, Scalar-mediated tt̄ forward-backward asymmetry, JHEP 10 (2011) 124 [arXiv:1107.4350].
29. G.Z. Krnjaic, Very light axigluons and the top asymmetry, Phys. Rev. D 85 (2012) 014030 [arXiv:1109.0648].
30. S. Westhoff, Top-quark forward-backward symmetry, arXiv:1105.4624.
31. A. Djouadi, G. Moreau and F. Richard, Forward-backward asymmetries of the bottom and top quarks in warped extra-dimensional models: LHC predictions from the LEP and Tevatron anomalies, Phys. Lett. B 701 (2011) 458 [arXiv:1105.3158].
32. M. Bauer, F. Goertz, U. Haisch, T. Pfoh and S. Westhoff, Top-quark forward-backward asymmetry in Randall-Sundrum models beyond the leading order, JHEP 11 (2010) 039 [arXiv:1008.0742].
33. A. Djouadi, G. Moreau, F. Richard and R.K. Singh, The forward-backward asymmetry of top quark production at the Tevatron in warped extra dimensional models, Phys. Rev. D 82 (2010) 071702 [arXiv:0906.0604].
34. CDF collaboration, T. Aaltonen et al., Direct top-quark width measurement CDF, Phys. Rev. Lett. 105 (2010) 232003 [arXiv:1008.3891].
35. Particle Data Group collaboration, K. Nakamura et al., Review of particle physics, J. Phys. G 37 (2010) 075021.
36. D0 collaboration, V.M. Abazov et al., Model-independent measurement of t-channel single top quark production in pp̄ collisions at √s = 1.96TeV, Phys. Lett. B 705 (2011) 313 [arXiv:1105.2788].
37. J. Pumplin et al., New generation of parton distributions with uncertainties from global QCD analysis, JHEP 07 (2002) 012 [hep-ph/0201195].
38. -1, CDF Note 9913.