Massive color-octet bosons: Bounds on effects in top-quark pair production

Journal of High Energy Physics

Volumn 2011, Issue 8, 2011, Pages

  Haisch, Ulrich ^a,b   Westhoff, Susanne ^a  

^a JOHANNES GUTENBERG UNIVERSITY   (Germany)

^b UNIVERSITY OF OXFORD   (United Kingdom)

Author keywords

Beyond Standard Model; Gauge Symmetry; Hadronic Colliders; Heavy Quark Physics

Indexed keywords

EID: 80053093221     PISSN: 11266708     EISSN: 10298479     Source Type: Journal    
DOI: 10.1007/JHEP08(2011)088     Document Type: Article

References (83)

1. L. Randall and R. Sundrum, A large mass hierarchy from a small extra dimension, Phys. Rev. Lett. 83 (1999) 3370 [hep-ph/9905221] [SPIRES].
2. C.T. Hill and E.H. Simmons, Strong dynamics and electroweak symmetry breaking, Phys. Rept. 381 (2003) 235 [Erratum ibid. 390 (2004) 553] [hep-ph/0203079] [SPIRES].
3. P.H. Frampton and S.L. Glashow, Chiral color: an alternative to the Standard Model, Phys. Lett. B 190 (1987) 157 [SPIRES].
4. P.H. Frampton and S.L. Glashow, Unifiable chiral color with natural GIM mechanism,Phys. Rev. Lett. 58 (1987) 2168 [SPIRES].
5. J. Bagger, C. Schmidt and S. King, Axigluon production in hadronic collisions, Phys. Rev. D 37 (1988) 1188 [SPIRES].
6. C.T. Hill, Topcolor: top quark condensation in a gauge extension of the Standard Model, Phys. Lett. B 266 (1991) 419 [SPIRES].
7. C.T. Hill, Topcolor assisted technicolor, Phys. Lett. B 345 (1995) 483 [hep-ph/9411426] [SPIRES].
8. C.T. Hill and S.J. Parke, Top production: sensitivity to new physics, Phys. Rev. D 49 (1994) 4454 [hep-ph/9312324] [SPIRES].
9. R.S. Chivukula, A.G. Cohen and E.H. Simmons, New strong interactions at the Tevatron?, Phys. Lett. B 380 (1996) 92 [hep-ph/9603311] [SPIRES].
10. K. Agashe, A. Delgado, M.J. May and R. Sundrum, RS1, custodial isospin and precision tests, JHEP 08 (2003) 050 [hep-ph/0308036] [SPIRES].
11. K. Agashe, A. Belyaev, T. Krupovnickas, G. Perez and J. Virzi, LHC signals from warped extra dimensions, Phys. Rev. D 77 (2008) 015003 [hep-ph/0612015] [SPIRES].
12. B. Lillie, L. Randall and L.-T. Wang, The bulk RS KK-gluon at the LHC, JHEP 09 (2007) 074 [hep-ph/0701166] [SPIRES].
13. CDF collaboration, E. Thomson et al., Combination of CDF top quark pair production cross section measurements with up to 4.6 fb1, conference note 9913, http://www-cdf.fnal.gov/physics/new/top/2009/xsection/ttbar combined 46invfb/, Fermilab, Batavia U.S.A. (2009).
14. DØ collaboration, Combination and interpretation of tt̄ cross section measurements with the DØ detector, conference note 5907-CONF, http://www-d0.fnal.gov/Run2Physics/WWW/results/prelim/TOP/T79/, Fermilab, Batavia U.S.A. (2009).
15. tt̄ in pp̄ collisions at √s = 1.96TeV, Phys. Rev. Lett. 102 (2009) 222003 [arXiv:0903.2850] [SPIRES].
16. 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] [SPIRES].
17. T.A. Schwarz, Measurement of the front back asymmetry in top-antitop quark pairs produced in proton-antiproton collisions at center of mass energy = 1.96TeV, FERMILAB-THESIS-2006-51, Fermilab, Batavia U.S.A. (2006) [UMI-32-38081] [SPIRES].
18. D0 collaboration, V.M. Abazov et al., First measurement of the forward-backward charge asymmetry in top quark pair production, Phys. Rev. Lett. 100 (2008) 142002[arXiv:0712.0851] [SPIRES].
19. CDF collaboration, T. Aaltonen et al., Forward-backward asymmetry in top quark production in pp̄ collisions at √s = 1.96TeV, Phys. Rev. Lett. 101 (2008) 202001 [arXiv:0806.2472] [SPIRES].
20. DØ collaboration, Measurement of the forward-backward production asymmetry of t and t̄ quarks in pp̄ → tt̄ events, conference note 6062-CONF, http://www-d0.fnal.gov/Run2Physics/WWW/results/prelim/TOP/T90/, Fermilab, Batavia U.S.A. (2010).
21. ?1, CDF note 10398, http://www-cdf.fnal.gov/physics/new/top/2011/DilAfb/, Fermilab, Batavia U.S.A. (2011).
22. ALEPH collaboration, Precision electroweak measurements on the Z resonance, Phys. Rept. 427 (2006) 257 [hep-ex/0509008] [SPIRES].
23. M.E. Peskin and T. Takeuchi, Estimation of oblique electroweak corrections, Phys. Rev. D 46 (1992) 381 [SPIRES].
24. CMS collaboration, V. Khachatryan et al., Search for dijet resonances in 7 Te V pp̄ collisions at CMS, Phys. Rev. Lett. 105 (2010) 211801 [Erratum ibid. 106 (2010) 029902] [arXiv:1010.0203] [SPIRES].
25. CMS collaboration, V. Khachatryan et al., Measurement of dijet angular distributions and search for quark compositeness in pp̄ collisions at 7 Te V, Phys. Rev. Lett. 106 (2011) 201804 [arXiv:1102.2020] [SPIRES].
26. ATLAS collaboration, G. Aad et al., Search for new physics in dijet mass and angular distributions in pp̄ collisions at √s = 7 Te V measured with the ATLAS detector, New J. Phys. 13 (2011) 053044 [arXiv:1103.3864] [SPIRES].
27. P.H. Frampton, J. Shu and K. Wang, Axigluon as possible explanation for pp̄ → tt̄ forward-backward asymmetry, Phys. Lett. B 683 (2010) 294 [arXiv:0911.2955] [SPIRES].
28. 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] [SPIRES].
29. R.S. Chivukula, E.H. Simmons and C.P. Yuan, Axigluons cannot explain the observed top quark forward-backward asymmetry, Phys. Rev. D 82 (2010) 094009 [arXiv:1007.0260] [SPIRES].
30. T. Han, I. Lewis and Z. Liu, Colored resonant signals at the LHC: largest rate and simplest topology, JHEP 12 (2010) 085 [arXiv:1010.4309] [SPIRES].
31. Y. Bai, J.L. Hewett, J. Kaplan and T.G. Rizzo, LHC predictions from a Tevatron anomaly in the top quark forward-backward asymmetry, JHEP 03 (2011) 003 [arXiv:1101.5203] [SPIRES].
32. J.A. Aguilar-Saavedra and M. Pérez-Victoria, Probing the Tevatron tt̄ asymmetry at LHC, JHEP 05 (2011) 034 [arXiv:1103.2765] [SPIRES].
33. FB, Phys. Rev. D 83 (2011) 114027 [arXiv:1103.3501] [SPIRES].
34. FB meets LHC, arXiv:1103.4618 [SPIRES].
35. R. Barcelo, A. Carmona, M. Masip and J. Santiago, Gluon excitations in tt̄ production at hadron colliders, Phys. Rev. D 84 (2011) 014024 [arXiv:1105.3333] [SPIRES].
36. J.A. Aguilar-Saavedra and M. Pérez-Victoria, Asymmetries in tt̄ production: LHC versus Tevatron, arXiv:1105.4606 [SPIRES].
37. O. Antunano, J.H. Kühn and G. Rodrigo, Top quarks, axigluons and charge asymmetries at hadron colliders, Phys. Rev. D 77 (2008) 014003 [arXiv:0709.1652] [SPIRES].
38. P. Ferrario and G. Rodrigo, Massive color-octet bosons and the charge asymmetries of top quarks at hadron colliders, Phys. Rev. D 78 (2008) 094018 [arXiv:0809.3354] [SPIRES].
39. P. Ferrario and G. Rodrigo, Constraining heavy colored resonances from top-antitop quark events, Phys. Rev. D 80 (2009) 051701 [arXiv:0906.5541] [SPIRES].
40. - annihilation at LEP, Phys. Lett. B 517 (2001) 75 [hep-ex/0107015] [SPIRES].
41. CDF collaboration, A. Lister, Search for heavy top-like quarks t? → Wq using lepton plus jets events in 1.96TeV pp̄ collisions, arXiv:0810.3349 [SPIRES].
42. CDF collaboration, T. Aaltonen et al., Search for heavy bottom-like quarks decaying to an electron or muon and jets in pp̄ collisions at √s = 1.96TeV, Phys. Rev. Lett. 106 (2011) 141803 [arXiv:1101.5728] [SPIRES].
43. CMS collaboration, S. Chatrchyan et al., Search for a heavy bottom-like quark in pp̄ collisions at √s = 7 Te V, Phys. Lett. B 701 (2011) 204 [arXiv:1102.4746] [SPIRES].
44. G. Buchalla, G. Burdman, C.T. Hill and D. Kominis, GIM violation and new dynamics of the third generation, Phys. Rev. D 53 (1996) 5185 [hep-ph/9510376] [SPIRES].
45. G. Burdman, K.D. Lane and T. Rador, Anti-B B mixing constrains topcolor-assisted technicolor, Phys. Lett. B 514 (2001) 41 [hep-ph/0012073] [SPIRES].
46. A. Martin and K. Lane, CP violation and flavor mixing in technicolor models, Phys. Rev. D 71 (2005) 015011 [hep-ph/0404107] [SPIRES].
47. A.J. Buras, S. Jäger and J. Urban, Master formulae forδF = 2 NLO-QCD factors in the standard model and beyond, Nucl. Phys. B 605 (2001) 600 [hep-ph/0102316] [SPIRES].
48. J. Laiho, E. Lunghi and R.S. Van de Water, Lattice QCD inputs to the CKM unitarity triangle analysis, Phys. Rev. D 81 (2010) 034503 [arXiv:0910.2928] [SPIRES].
49. V. Lubicz and C. Tarantino, Flavour physics and Lattice QCD: averages of lattice inputs for the Unitarity Triangle Analysis, Nuovo Cim. B 123 (2008) 674 [arXiv:0807.4605] [SPIRES].
50. A.J. Buras, D. Guadagnoli and G. Isidori, On ?K beyond lowest order in the Operator Product Expansion, Phys. Lett. B 688 (2010) 309 [arXiv:1002.3612] [SPIRES].
51. CKMfitter Group collaboration, J. Charles et al., CP violation and the CKM matrix: assessing the impact of the asymmetric B factories, Eur. Phys. J. C 41 (2005) 1 [hep-ph/0406184] [SPIRES].
52. J. Brod and M. Gorbahn, εK at next-to-next-to-leading order: the charm-top-quark contribution, Phys. Rev. D 82 (2010) 094026 [arXiv:1007.0684] [SPIRES].
53. Particle Data Group collaboration, K. Nakamura et al., Review of particle physics, J. Phys. G 37 (2010) 075021 [SPIRES].
54. Heavy Flavor Averaging Group collaboration, D. Asner et al., Averages of b-hadron, c-hadron and tau-lepton properties, arXiv:1010.1589 [SPIRES].
55. C.T. Hill and X.-m. Zhang, Z → bb̄ versus dynamical electroweak symmetry breaking involving the top quark, Phys. Rev. D 51 (1995) 3563 [hep-ph/9409315] [SPIRES].
56. ?1 at √s = 1.96TeV, Phys. Rev. D 84 (2011) 012007 [arXiv:1104.4590] [SPIRES].
57. U. Baur, A. Juste, L.H. Orr and D. Rainwater, Probing electroweak top quark couplings at hadron colliders, Phys. Rev. D 71 (2005) 054013 [hep-ph/0412021] [SPIRES].
58. U. Baur, A. Juste, D. Rainwater and L.H. Orr, Improved measurement of ttZ couplings at the CERN LHC, Phys. Rev. D 73 (2006) 034016 [hep-ph/0512262] [SPIRES].
59. E.L. Berger, Q.-H. Cao and I. Low, Model independent constraints among the Wtb, Zbb and Ztt couplings, Phys. Rev. D 80 (2009) 074020 [arXiv:0907.2191] [SPIRES].
60. J.H. Field, Indications for an anomalous righthanded coupling of the b-quark from a model independent analysis of LEP and SLD data on Z decays, Mod. Phys. Lett. A 13 (1998) 1937 [hep-ph/9801355] [SPIRES].
61. - annihilation, from version 6.21 to version 6.42, Comput. Phys. Commun. 174 (2006) 728 [hep-ph/0507146] [SPIRES].
62. CDF and D0 collaboration and others, Combination of CDF and DØ results on the mass of the top quark, arXiv:1007.3178 [SPIRES].
63. G. Burdman, R.S. Chivukula and N.J. Evans, Precision bounds on flavor gauge bosons, Phys. Rev. D 61 (2000) 035009 [hep-ph/9906292] [SPIRES].
64. H.-J. He, N. Polonsky and S.-F. Su, Extra families, Higgs spectrum and oblique corrections, Phys. Rev. D 64 (2001) 053004 [hep-ph/0102144] [SPIRES].
65. tt̄, in pp̄ collisions at √s = 1.96TeV, FERMILAB-THESIS-2008-50, Fermilab, Batavia U.S.A. [SPIRES].
66. CDF collaboration, T. Aaltonen et al., Search for new particles decaying into dijets in proton-antiproton collisions at √s = 1.96TeV, Phys. Rev. D 79 (2009) 112002 [arXiv:0812.4036] [SPIRES].
67. ATLAS collaboration, G. Aad et al., Search for new particles in two-jet final states in 7 Te V proton-proton collisions with the ATLAS detector at the LHC, Phys. Rev. Lett. 105 (2010) 161801 [arXiv:1008.2461] [SPIRES].
68. D0 collaboration, V.M. Abazov et al., Measurement of dijet angular distributions at √s = 1.96TeV and searches for quark compositeness and extra spatial dimensions, Phys. Rev. Lett. 103 (2009) 191803 [arXiv:0906.4819] [SPIRES].
69. ATLAS collaboration, G. Aad et al., Search for quark contact interactions in dijet angular distributions in pp̄ collisions at √s = 7 Te V measured with the ATLAS detector, Phys. Lett. B 694 (2011) 327 [arXiv:1009.5069] [SPIRES].
70. L. Randall and M.D. Schwartz, Quantum field theory and unification in AdS5, JHEP 11 (2001) 003 [hep-th/0108114] [SPIRES].
71. 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] [SPIRES].
72. J. Campbell and R.K. Ellis, MCFM - a Monte Carlo for FeMtobarn processes at hadron colliders homepage, http://mcfm.fnal.gov, Fermilab, Batavia U.S.A. (2011).
73. P. Nason, S. Dawson and R.K. Ellis, The total cross-section for the production of heavy quarks in hadronic collisions, Nucl. Phys. B 303 (1988) 607 [SPIRES].
74. A.D. Martin, W.J. Stirling, R.S. Thorne and G. Watt, Parton distributions for the LHC, Eur. Phys. J. C 63 (2009) 189 [arXiv:0901.0002] [SPIRES].
75. R.K. Ellis, W.J. Stirling and B.R. Webber, QCD and collider physics, Camb. Monogr. Part. Phys. Nucl. Phys. Cosmol. 8 (1996) 1 [SPIRES].
76. E. Eichten, K.D. Lane and M.E. Peskin, New tests for quark and lepton substructure, Phys. Rev. Lett. 50 (1983) 811 [SPIRES].
77. K.D. Lane, Electroweak and flavor dynamics at hadron colliders, hep-ph/9605257 [SPIRES].
78. J. Gao, C.S. Li, J. Wang, H.X. Zhu and C.P. Yuan, Next-to-leading QCD effect to the quark compositeness search at the LHC, Phys. Rev. Lett. 106 (2011) 142001 [arXiv:1101.4611] [SPIRES].
79. UA1 collaboration, C. Albajar et al., Two jet mass distributions at the CERN proton-anti-proton collider, Phys. Lett. B 209 (1988) 127 [SPIRES].
80. CDF collaboration, F. Abe et al., Search for quark compositeness, axigluons and heavy particles using the dijet invariant mass spectrum observed in pp̄ collisions, Phys. Rev. Lett. 71 (1993) 2542 [SPIRES].
81. C.D. Carone and H. Murayama, Possible light U(1) gauge boson coupled to baryon number, Phys. Rev. Lett. 74 (1995) 3122 [hep-ph/9411256] [SPIRES].
82. B. Holdom, New third family flavor physics: vertex corrections, Phys. Lett. B 351 (1995) 279 [hep-ph/9502273] [SPIRES].
83. A.I. Davydychev and J.B. Tausk, Two loop selfenergy diagrams with different masses and the momentum expansion, Nucl. Phys. B 397 (1993) 123 [SPIRES].