Uncovering quasi-degenerate Kaluza-Klein electro-weak gauge bosons with top asymmetries at the LHC

Journal of High Energy Physics

Volumn 2013, Issue 7, 2013, Pages

  Accomando, Elena ^a   Mimasu, Ken ^a   Moretti, Stefano ^a  

^a UNIVERSITY OF SOUTHAMPTON   (United Kingdom)

Author keywords

Beyond Standard Model; Compactification and String Models

Indexed keywords

EID: 84881414063     PISSN: 11266708     EISSN: 10298479     Source Type: Journal    
DOI: 10.1007/JHEP07(2013)154     Document Type: Article

References (78)

1. I. Antoniadis, A possible new dimension at a few TeV, Phys. Lett. B 246 (1990) 377.
2. N. Arkani-Hamed, S. Dimopoulos and G. Dvali, The hierarchy problem and new dimensions at a millimeter, Phys. Lett. B 429 (1998) 263 [ hep-ph/9803315 ].
3. I. Antoniadis, N. Arkani-Hamed, S. Dimopoulos and G. Dvali, New dimensions at a millimeter to a Fermi and superstrings at a TeV, Phys. Lett. B 436 (1998) 257 [ hep-ph/9804398 ].
4. I. Antoniadis and C. Bachas, Branes and the gauge hierarchy, Phys. Lett. B 450 (1999) 83 [ hep-th/9812093 ].
5. J.D. Lykken, Weak scale superstrings, Phys. Rev. D 54 (1996) 3693 [ hep-th/9603133 ].
6. I. Antoniadis and B. Pioline, Low scale closed strings and their duals, Nucl. Phys. B 550 (1999) 41 [ hep-th/9902055 ].
7. K. Benakli and Y. Oz, Small instantons and weak scale string theory, Phys. Lett. B 472 (2000) 83 [ hep-th/9910090 ].
8. K. Benakli, Phenomenology of low quantum gravity scale models, Phys. Rev. D 60 (1999) 104002 [ hep-ph/9809582 ].
9. C. Burgess, L.E. Ibáñez and F. Quevedo, Strings at the intermediate scale, or is the Fermi scale dual to the Planck scale?, Phys. Lett. B 447 (1999) 257 [ hep-ph/9810535 ].
10. G. Shiu and S.H. Tye, TeV scale superstring and extra dimensions, Phys. Rev. D 58 (1998) 106007 [ hep-th/9805157 ].
11. Z. Kakushadze and S.H. Tye, Brane world, Nucl. Phys. B 548 (1999) 180 [ hep-th/9809147 ].
12. L.E. Ibáñez, C. Muñoz and S. Rigolin, Aspect of type-I string phenomenology, Nucl. Phys. B 553 (1999) 43 [ hep-ph/9812397 ].
13. G. Aldazabal, L.E. Ibáñez and F. Quevedo, Standard-like models with broken supersymmetry from type-I string vacua, JHEP 01 (2000) 031 [ hep-th/9909172 ].
14. I. Antoniadis and K. Benakli, Limits on extra dimensions in orbifold compactifications of superstrings, Phys. Lett. B 326 (1994) 69 [ hep-th/9310151 ].
15. I. Antoniadis, C. Muñoz and M. Quirós, Dynamical supersymmetry breaking with a large internal dimension, Nucl. Phys. B 397 (1993) 515 [ hep-ph/9211309 ].
16. I. Antoniadis, K. Benakli and M. Quirós, Production of Kaluza-Klein states at future colliders, Phys. Lett. B 331 (1994) 313 [ hep-ph/9403290 ].
17. K. Benakli, Perturbative supersymmetry breaking in orbifolds with Wilson line backgrounds, Phys. Lett. B 386 (1996) 106 [ hep-th/9509115 ].
18. I. Antoniadis and M. Quirós, Large radii and string unification, Phys. Lett. B 392 (1997) 61 [ hep-th/9609209 ].
19. I. Antoniadis, S. Dimopoulos and G. Dvali, Millimeter range forces in superstring theories with weak scale compactification, Nucl. Phys. B 516 (1998) 70 [ hep-ph/9710204 ].
20. A. Pomarol and M. Quirós, The standard model from extra dimensions, Phys. Lett. B 438 (1998) 225 [ hep-ph/9806263 ].
21. I. Antoniadis, S. Dimopoulos, A. Pomarol and M. Quirós, Soft masses in theories with supersymmetry breaking by TeV compactification, Nucl. Phys. B 544 (1999) 503 [ hep-ph/9810410 ].
22. A. Delgado, A. Pomarol and M. Quirós, Supersymmetry and electroweak breaking from extra dimensions at the TeV scale, Phys. Rev. D 60 (1999) 095008 [ hep-ph/9812489 ].
23. P. Nath and M. Yamaguchi, Effects of extra space-time dimensions on the Fermi constant, Phys. Rev. D 60 (1999) 116004 [ hep-ph/9902323 ].
24. μ - 2), Phys. Rev. D 60 (1999) 116006 [ hep-ph/9903298 ].
25. M. Masip and A. Pomarol, Effects of SM Kaluza-Klein excitations on electroweak observables, Phys. Rev. D 60 (1999) 096005 [ hep-ph/9902467 ].
26. W.J. Marciano, Fermi constants and 'new physics', Phys. Rev. D 60 (1999) 093006 [ hep-ph/9903451 ].
27. A. Strumia, Bounds on Kaluza-Klein excitations of the SM vector bosons from electroweak tests, Phys. Lett. B 466 (1999) 107 [ hep-ph/9906266 ].
28. R. Casalbuoni, S. De Curtis, D. Dominici and R. Gatto, SM Kaluza-Klein excitations and electroweak precision tests, Phys. Lett. B 462 (1999) 48 [ hep-ph/9907355 ].
29. C.D. Carone, Electroweak constraints on extended models with extra dimensions, Phys. Rev. D 61 (2000) 015008 [ hep-ph/9907362 ].
30. A. Delgado, A. Pomarol and M. Quirós, Electroweak and flavor physics in extensions of the standard model with large extra dimensions, JHEP 01 (2000) 030 [ hep-ph/9911252 ].
31. I. Antoniadis, K. Benakli and M. Quirós, Direct collider signatures of large extra dimensions, Phys. Lett. B 460 (1999) 176 [ hep-ph/9905311 ].
32. P. Nath, Y. Yamada and M. Yamaguchi, Probing the nature of compactification with Kaluza-Klein excitations at the Large Hadron Collider, Phys. Lett. B 466 (1999) 100 [ hep-ph/9905415 ].
33. T.G. Rizzo and J.D. Wells, Electroweak precision measurements and collider probes of the standard model with large extra dimensions, Phys. Rev. D 61 (2000) 016007 [ hep-ph/9906234 ]
34. ′ signals in polarised top-antitop final states, JHEP 09 (2012) 024 [ arXiv:1203.2542 ].
35. -, b\overline{b} and tt̄ final states at the LHC, JHEP 11 (2012) 060 [ arXiv:1208.0019 ].
36. ′ models with polarised top pairs, arXiv:1209.3622.
37. ′ signals in polarised top-antitop final states at the LHC, arXiv:1211.5470.
38. ′ → tt events, arXiv:1211.5599
39. ′ → tt̄ signals in a 4D composite Higgs model, arXiv:1212.5948.
40. D. Krohn, T. Liu, J. Shelton and L.-T. Wang, A polarized view of the top asymmetry, Phys. Rev. D 84 (2011) 074034 [ arXiv:1105.3743 ].
41. R.W. Brown, D. Sahdev and K.O. Mikaelian, Probing higher order QCD: charge conjugation asymmetries from two gluon exchange, Phys. Rev. Lett. 43 (1979) 1069.
42. J.H. Kuhn and G. Rodrigo, Charge asymmetry of heavy quarks at hadron colliders, Phys. Rev. D 59 (1999) 054017 [ hep-ph/9807420 ].
43. S. Moretti, M. Nolten and D. Ross, Weak corrections to gluon-induced top-antitop hadro-production, Phys. Lett. B 639 (2006) 513 [Erratum ibid. B 660 (2008) 607-609] [ hep-ph/0603083 ].
44. S. Moretti and D. Ross, On the top-antitop invariant mass spectrum at the LHC from a Higgs boson signal perspective, Phys. Lett. B 712 (2012) 245 [ arXiv:1203.3746 ].
45. J.H. Kuhn, A. Scharf and P. Uwer, Electroweak corrections to top-quark pair production in quark-antiquark annihilation, Eur. Phys. J. C 45 (2006) 139 [ hep-ph/0508092 ]. (Pubitemid 41759722)
46. J.H. Kuhn, A. Scharf and P. Uwer, Electroweak effects in top-quark pair production at hadron colliders, Eur. Phys. J. 51 (2007) 37 [ hep-ph/0610335 ].
47. W. Hollik and M. Kollar, NLO QED contributions to top-pair production at hadron collider, Phys. Rev. D 77 (2008) 014008 [ arXiv:0708.1697 ].
48. W. Hollik, M. Kollar and M.K. Trenkel, EW NLO corrections to pair production of top-squarks at the LHC, arXiv:0710.2472.
49. W. Bernreuther, M. Fucker and Z.G. Si, Mixed QCD and weak corrections to t anti-t production by quark-antiquark annihilation, Int. J. Mod.Phys. A 21 (2006) 914 [ hep-ph/0509210 ].
50. W. Bernreuther, M. Fucker and Z.-G. Si, Weak interaction corrections to hadronic top quark pair production: contributions from quark-gluon and b\overline{b} induced reactions, Phys. Rev. D 78 (2008) 017503 [ arXiv:0804.1237 ].
51. W. Bernreuther, M. Fucker and Z.-G. Si, Electroweak corrections to tt̄ production at hadron colliders, Nuovo Cim. B 123 (2008) 1036 [ arXiv:0808.1142 ].
52. T. Stelzer and S. Willenbrock, Spin correlation in top quark production at hadron colliders, Phys. Lett. B 374 (1996) 169 [ hep-ph/9512292 ].
53. G. Mahlon and S.J. Parke, Angular correlations in top quark pair production and decay at hadron colliders, Phys. Rev. D 53 (1996) 4886 [ hep-ph/9512264 ].
54. G. Mahlon and S.J. Parke, Spin correlation effects in top quark pair production at the LHC, Phys. Rev. D 81 (2010) 074024 [ arXiv:1001.3422 ]
55. W. Bernreuther, A. Brandenburg, Z. Si and P. Uwer, Top quark spin correlations at hadron colliders: Predictions at next-to-leading order QCD, Phys. Rev. Lett. 87 (2001) 242002 [ hep-ph/0107086 ].
56. W. Bernreuther, A. Brandenburg, Z. Si and P. Uwer, Investigation of top quark spin correlations at hadron collider, hep-ph/0410197.
57. R.M. Godbole, K. Rao, S.D. Rindani and R.K. Singh, On measurement of top polarization as a probe of tt̄ production mechanisms at the LHC, JHEP 11 (2010) 144 [ arXiv:1010.1458 ].
58. CMS collaboration, Jet substructure algorithms, CMS-PAS-JME-10-013 (Jet Substructure Algorithms).
59. ATLAS collaboration, Performance of large-R jets and jet substructure reconstruction with the ATLAS detector, ATLAS-CONF-2012-065 (2012).
60. ATLAS collaboration, Search for resonances decaying into top-quark pairs using fully hadronic decays in pp collisions with ATLAS at \sqrt{s}=7 TeV, JHEP 01 (2013) 116 [ arXiv:1211.2202 ].
61. ATLAS collaboration, A search for tt̄ resonances in lepton+jets events with highly boosted top quarks collected in pp collisions at \sqrt{s}=7 TeV with the ATLAS detector, JHEP 09 (2012) 041 [ arXiv:1207.2409 ].
62. CMS collaboration, Search for anomalous tt̄ production in the highly-boosted all-hadronic final state, JHEP 09 (2012) 029 [ arXiv:1204.2488 ].
63. J. Shelton, Polarized tops from new physics: signals and observables, Phys. Rev. D 79 (2009) 014032 [ arXiv:0811.0569 ].
64. D. Krohn, J. Shelton and L.-T. Wang, Measuring the polarization of boosted hadronic tops, JHEP 07 (2010) 041 [ arXiv:0909.3855 ].
65. A. Papaefstathiou and K. Sakurai, Determining the helicity structure of third generation resonances, JHEP 06 (2012) 069 [ arXiv:1112.3956 ].
66. T. Appelquist, H.-C. Cheng and B.A. Dobrescu, Bounds on universal extra dimensions, Phys. Rev. D 64 (2001) 035002 [ hep-ph/0012100 ].
67. E. Accomando, I. Antoniadis and K. Benakli, Looking for TeV scale strings and extra dimensions, Nucl. Phys. B 579 (2000) 3 [ hep-ph/9912287 ].
68. H.-C. Cheng, K.T. Matchev and M. Schmaltz, Radiative corrections to Kaluza-Klein masses, Phys. Rev. D 66 (2002) 036005 [ hep-ph/0204342 ].
69. G. Cacciapaglia, A. Deandrea and S. De Curtis, Nearby resonances beyond the Breit-Wigner approximation, Phys. Lett. B 682 (2009) 43 [ arXiv:0906.3417 ].
70. CMS collaboration, Search for narrow resonances using the dijet mass spectrum in pp collisions at of 8 TeV, CMS-PAS-EXO-12-016 (2012).
71. -1 of pp collisions at=8 TeV, CMS-PAS-EXO-12-059 (2012).
72. CMS collaboration, Search for high-mass resonances decaying to top quark pairs in the lepton+jets channel, CMS-PAS-EXO-11-093 (2011).
73. C.T. Hill, Topcolor: top quark condensation in a gauge extension of the standard model, Phys. Lett. B 266 (1991) 419.
74. C.T. Hill, Topcolor assisted technicolor, Phys. Lett. B 345 (1995) 483 [ hep-ph/9411426 ].
75. H. Murayama, I. Watanabe and K. Hagiwara, HELAS: HELicity amplitude subroutines for Feynman diagram evaluations, KEK Report 91-11 (1992).
76. T. Stelzer and W. Long, Automatic generation of tree level helicity amplitudes, Comput. Phys. Commun. 81 (1994) 357 [ hep-ph/9401258 ].
77. J. Pumplin et al., New generation of parton distributions with uncertainties from global QCD analysis, JHEP 07 (2002) 012 [ hep-ph/0201195 ].
78. G.P. Lepage, A new algorithm for adaptive multidimensional integration, J. Comput. Phys. 27 (1978) 192.