(Light) stop signs

Journal of High Energy Physics

Volumn 2012, Issue 8, 2012, Pages

  Han, Zhenyu ^a   Katz, Andrey ^a   Krohn, David ^a   Reece, Matthew ^a  

^a HARVARD UNIVERSITY   (United States)

Author keywords

Supersymmetry phenomenology

Indexed keywords

EID: 84865795481     PISSN: 11266708     EISSN: 10298479     Source Type: Journal    
DOI: 10.1007/JHEP08(2012)083     Document Type: Article

References (97)

1. S. Dimopoulos and G. Giudice, Naturalness constraints in supersymmetric theories with nonuniversal soft terms, Phys. Lett. B 357 (1995) 573 [hep-ph/9507282] [INSPIRE].
2. A.G. Cohen, D. Kaplan and A. Nelson, The more minimal supersymmetric standard model, Phys. Lett. B 388 (1996) 588 [hep-ph/9607394] [INSPIRE].
3. ATLAS collaboration, G. Aad et al., Search for squarks and gluinos using final states with jets and missing transverse momentum with the ATLAS detector in √s = 7 TeV proton-proton collisions, Phys. Lett. B 710 (2012) 67 [arXiv:1109.6572] [INSPIRE].
4. CMS collaboration, Search for supersymmetry in all-hadronic events with missing energy, PAS-SUS-11-004 (2011).
5. ATLAS collaboration, Search for squarks and gluinos using final states with jets and missing transverse momentum with the ATLAS detector in √ s = 7TeV proton-proton collisions, ATLAS-CONF-2012-033 (2012).
6. CMS Collaboration, Search for new physics in the multijets + missing transverse energy final state in 7 TeV proton-proton collisions, CMS-PAS-SUS-12-011 (2012).
7. R. Essig, E. Izaguirre, J. Kaplan and J.G. Wacker, Heavy avor simplified models at the LHC, JHEP 01 (2012) 074 [arXiv:1110.6443] [INSPIRE].
8. Y. Kats, P. Meade, M. Reece and D. Shih, The status of GMSB after 1/fb at the LHC, JHEP 02 (2012) 115 [arXiv:1110.6444] [INSPIRE].
9. C. Brust, A. Katz, S. Lawrence and R. Sundrum, SUSY, the third generation and the LHC, JHEP 03 (2012) 103 [arXiv:1110.6670] [INSPIRE].
10. M. Papucci, J.T. Ruderman and A. Weiler, Natural SUSY endures, arXiv:1110.6926 [INSPIRE].
11. X.-J. Bi, Q.-S. Yan and P.-F. Yin, Probing light stop pairs at the LHC, Phys. Rev. D 85 (2012) 035005 [arXiv:1111.2250] [INSPIRE].
12. N. Desai and B. Mukhopadhyaya, Constraints on supersymmetry with light third family from LHC data, JHEP 05 (2012) 057 [arXiv:1111.2830] [INSPIRE].
13. ATLAS collaboration, G. Aad et al., Search for scalar bottom pair production with the ATLAS detector in pp collisions at √ s = 7 TeV, Phys. Rev. Lett. 108 (2012) 181802 [arXiv:1112.3832] [INSPIRE].
14. Y. Kats and D. Shih, Light stop NLSPs at the Tevatron and LHC, JHEP 08 (2011) 049 [arXiv:1106.0030] [INSPIRE].
15. ATLAS collaboration, Search for gluinos in events with two same-sign leptons, jets and missing transverse momentum with the ATLAS detector in pp collisions at √ s =7 TeV, ATLAS-CONF-2012-004 (2012).
16. CMS collaboration, S. Chatrchyan et al., Search for new physics in events with same-sign dileptons and b-tagged jets in pp collisions at √ s = 7TeV, arXiv:1205.3933 [INSPIRE].
17. CMS collabroation, Search for supersymmetry in events with a single lepton and jets using templates, PAS-SUS-11-027 (2011).
18. ATLAS collaboration, Hunt for new phenomena using large jet multiplicities and missing transverse momentum with ATLAS in L = 4:7 fb-1 of √ s = 7TeV proton-proton collisions, ATLAS-CONF-12-037 (2012).
19. R. Sundrum, SUSY splits, but then returns, JHEP 01 (2011) 062 [arXiv:0909.5430] [INSPIRE].
20. R. Barbieri, E. Bertuzzo, M. Farina, P. Lodone and D. Pappadopulo, A non standard supersymmetric spectrum, JHEP 08 (2010) 024 [arXiv:1004.2256] [INSPIRE].
21. M. Redi and B. Gripaios, Partially supersymmetric composite Higgs models, JHEP 08 (2010) 116 [arXiv:1004.5114] [INSPIRE].
22. N. Craig, D. Green and A. Katz, (De)constructing a natural and avorful supersymmetric standard model, JHEP 07 (2011) 045 [arXiv:1103.3708] [INSPIRE].
23. C. Csáki, Y. Shirman and J. Terning, A Seiberg dual for the MSSM: partially composite W and Z, Phys. Rev. D 84 (2011) 095011 [arXiv:1106.3074] [INSPIRE].
24. C. Csáki, L. Randall and J. Terning, Light stops from Seiberg duality, arXiv:1201.1293 [INSPIRE].
25. N. Craig, M. McCullough and J. Thaler, Flavor mediation delivers natural SUSY, JHEP 06 (2012) 046 [arXiv:1203.1622] [INSPIRE].
26. P. Meade and M. Reece, Top partners at the LHC: Spin and mass measurement, Phys. Rev. D 74 (2006) 015010 [hep-ph/0601124] [INSPIRE].
27. T. Han, R. Mahbubani, D.G. Walker and L.-T. Wang, Top quark pair plus large missing energy at the LHC, JHEP 05 (2009) 117 [arXiv:0803.3820] [INSPIRE].
28. T. Plehn, M. Spannowsky, M. Takeuchi and D. Zerwas, Stop reconstruction with tagged tops, JHEP 10 (2010) 078 [arXiv:1006.2833] [INSPIRE].
29. T. Plehn, M. Spannowsky and M. Takeuchi, Boosted semileptonic tops in stop decays, JHEP 05 (2011) 135 [arXiv:1102.0557] [INSPIRE].
30. Y. Bai, H.-C. Cheng, J. Gallicchio and J. Gu, Stop the top background of the stop search, JHEP 07 (2012) 110 [arXiv:1203.4813] [INSPIRE].
31. N. Bhattacharyya, A. Choudhury and A. Datta, Low mass neutralino dark matter in mSUGRA and more general models in the light of LHC data, Phys. Rev. D 84 (2011) 095006 [arXiv:1107.1997] [INSPIRE].
32. A. Choudhury and A. Datta, Many faces of low mass neutralino dark matter in the unconstrained MSSM, LHC data and new signals, JHEP 06 (2012) 006 [arXiv:1203.4106] [INSPIRE].
33. G. Isidori and J.F. Kamenik, Forward-Backward tt̄ asymmetry from anomalous stop pair production, Phys. Lett. B 700 (2011) 145 [arXiv:1103.0016] [INSPIRE].
34. D.S. Alves, M.R. Buckley, P.J. Fox, J.D. Lykken and C.-T. Yu, Stops and MET: the shape of things to come, arXiv:1205.5805 [INSPIRE].
35. D.E. Kaplan, K. Rehermann and D. Stolarski, Searching for direct stop production in hadronic top data at the LHC, JHEP 07 (2012) 119 [arXiv:1205.5816] [INSPIRE].
36. C.-L. Chou and M.E. Peskin, Scalar top quark as the next-to-lightest supersymmetric particle, Phys. Rev. D 61 (2000) 055004 [hep-ph/9909536] [INSPIRE].
37. T. Cohen, E. Kuik and K.M. Zurek, Extracting the dark matter mass from single stage cascade decays at the LHC, JHEP 11 (2010) 008 [arXiv:1003.2204] [INSPIRE].
38. T. Plehn, M. Spannowsky and M. Takeuchi, Stop searches in 2012, arXiv:1205.2696 [INSPIRE].
39. J. Fan, M. Reece and J.T. Ruderman, Stealth supersymmetry, JHEP 11 (2011) 012 [arXiv:1105.5135] [INSPIRE].
40. J. Fan, M. Reece and J.T. Ruderman, A stealth supersymmetry sampler, arXiv:1201.4875 [INSPIRE].
41. J. Alwall, M. Herquet, F. Maltoni, O. Mattelaer and T. Stelzer, MadGraph 5: going beyond, JHEP 06 (2011) 128 [arXiv:1106.0522] [INSPIRE].
42. M. Reece, Stop NLSP to Goldstino in MadGraph 5, http://www.physics. harvard.edu/~mreece/stopnlsp/
43. C. Degrande et al., UFO - The Universal FeynRules Output, Comput. Phys. Commun. 183 (2012) 1201 [arXiv:1108.2040] [INSPIRE].
44. K. Melnikov, A. Scharf and M. Schulze, Top quark pair production in association with a jet: QCD corrections and jet radiation in top quark decays, Phys. Rev. D 85 (2012) 054002 [arXiv:1111.4991] [INSPIRE].
45. W. Beenakker, M. Krämer, T. Plehn, M. Spira and P. Zerwas, Stop production at hadron colliders, Nucl. Phys. B 515 (1998) 3 [hep-ph/9710451] [INSPIRE].
46. M. Cacciari, M. Czakon, M. Mangano, A. Mitov and P. Nason, Top-pair production at hadron colliders with next-to-next-to-leading logarithmic soft-gluon resummation, Phys. Lett. B 710 (2012) 612 [arXiv:1111.5869] [INSPIRE].
47. W. Beenakker et al., Supersymmetric top and bottom squark production at hadron colliders, JHEP 08 (2010) 098 [arXiv:1006.4771] [INSPIRE].
48. K. Melnikov and M. Schulze, Top quark spin correlations at the Tevatron and the LHC, Phys. Lett. B 700 (2011) 17 [arXiv:1103.2122] [INSPIRE].
49. M. Beneke, P. Falgari, S. Klein and C. Schwinn, Hadronic top-quark pair production with NNLL threshold resummation, Nucl. Phys. B 855 (2012) 695 [arXiv:1109.1536] [INSPIRE].
50. A.H. Hoang, A. Jain, I. Scimemi and I.W. Stewart, Infrared renormalization group flow for heavy quark masses, Phys. Rev. Lett. 101 (2008) 151602 [arXiv:0803.4214] [INSPIRE].
51. U. Langenfeld, S. Moch and P. Uwer, Measuring the running top-quark mass, Phys. Rev. D 80 (2009) 054009 [arXiv:0906.5273] [INSPIRE].
52. D0 collaboration, V.M. Abazov et al., Determination of the pole and MSbar masses of the top quark from the tt̄ cross section, Phys. Lett. B 703 (2011) 422 [arXiv:1104.2887] [INSPIRE].
53. CMS collaboration, Determination of the top quark mass from the tt̄cross section at √ s = 7 TeV, PAS-TOP-11-008 (2011).
54. ATLAS collaboration, Determination of the top-quark mass from the tt̄ cross section measurement in pp collisions at √ s = 7 TeV with the ATLAS detector, ATLAS-CONF-2011-054 (2011).
55. CMS collaboration, Combination of top pair production cross section measurements, PAS-TOP-11-024 (2011).
56. ATLAS collaboration, Statistical combination of top quark pair production cross-section measurements using dilepton, single-lepton and all-hadronic final states at √ s = 7 TeV with the ATLAS detector, ATLAS-CONF-2012-024 (2012).
57. T. Sjöstrand, S. Mrenna and P.Z. Skands, PYTHIA 6.4 physics and manual, JHEP 05 (2006) 026 [hep-ph/0603175] [INSPIRE].
58. T. Sjöstrand, S. Mrenna and P.Z. Skands, A brief introduction to PYTHIA 8.1, Comput. Phys. Commun. 178 (2008) 852 [arXiv:0710.3820] [INSPIRE].
59. 3 myth for the kt jet-finder, Phys. Lett. B 641 (2006) 57 [hep-ph/0512210] [INSPIRE].
60. M. Cacciari, G.P. Salam and G. Soyez, FastJet user manual, Eur. Phys. J. C 72 (2012) 1896 [arXiv:1111.6097] [INSPIRE].
61. CMS collaboration, Search for new physics with single-leptons at the LHC, PAS-SUS-11-015 (2011).
62. CMS collaboration, Search for new physics in events with opposite-sign dileptons and missing transverse energy, PAS-SUS-11-011 (2011).
63. ATLAS collaboration, G. Aad et al., Search for new phenomena in ttbar events with large missing transverse momentum in proton-proton collisions at √ s = 7TeV with the ATLAS detector, Phys. Rev. Lett. 108 (2012) 041805 [arXiv:1109.4725] [INSPIRE].
64. M. Jezabek and J.H. Kuhn, Lepton spectra from heavy quark decay, Nucl. Phys. B 320 (1989) 20 [INSPIRE].
65. T. Stelzer and S. Willenbrock, Spin correlation in top quark production at hadron colliders, Phys. Lett. B 374 (1996) 169 [hep-ph/9512292] [INSPIRE].
66. G. Mahlon and S.J. Parke, Maximizing spin correlations in top quark pair production at the Tevatron, Phys. Lett. B 411 (1997) 173 [hep-ph/9706304] [INSPIRE].
67. 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] [INSPIRE].
68. A. Brandenburg, Spin spin correlations of top quark pairs at hadron colliders, Phys. Lett. B 388 (1996) 626 [hep-ph/9603333] [INSPIRE].
69. - colliders, Phys. Lett. B 387 (1996) 199 [hep-ph/9606419] [INSPIRE].
70. 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] [INSPIRE].
71. S.J. Parke, Spin correlation effects in top quark pair production, arXiv:1005.0347 [INSPIRE].
72. M. Baumgart and B. Tweedie, Discriminating top-antitop resonances using azimuthal decay correlations, JHEP 09 (2011) 049 [arXiv:1104.2043] [INSPIRE].
73. M. Perelstein and A. Weiler, Polarized tops from stop decays at the LHC, JHEP 03 (2009) 141 [arXiv:0811.1024] [INSPIRE].
74. J. Shelton, Polarized tops from new physics: signals and observables, Phys. Rev. D 79 (2009) 014032 [arXiv:0811.0569] [INSPIRE].
75. S. Frixione and B.R. Webber, Matching NLO QCD computations and parton shower simulations, JHEP 06 (2002) 029 [hep-ph/0204244] [INSPIRE].
76. S. Frixione, P. Nason and B.R. Webber, Matching NLO QCD and parton showers in heavy avor production, JHEP 08 (2003) 007 [hep-ph/0305252] [INSPIRE].
77. ATLAS collaboration, Measurement of spin correlation in tt̄ production from pp collisions at √ s = 7 TeV using the ATLAS detector, ATLAS-CONF-2011-117 (2011).
78. ATLAS collaboration, G. Aad et al., Observation of spin correlation in tt̄ events from pp collisions at √ s = 7 TeV using the ATLAS detector, Phys. Rev. Lett. 108 (2012) 212001 [arXiv:1203.4081] [INSPIRE].
79. D0 collaboration, V.M. Abazov et al., Measurement of spin correlation in tt̄ production using a matrix element approach, Phys. Rev. Lett. 107 (2011) 032001 [arXiv:1104.5194] [INSPIRE].
80. D0 collaboration, V.M. Abazov et al., Evidence for spin correlation in tt̄ production, Phys. Rev. Lett. 108 (2012) 032004 [arXiv:1110.4194] [INSPIRE].
81. ATLAS collaboration, G. Aad et al., Measurement of the cross section for top-quark pair production in pp collisions at √ s = 7 TeV with the ATLAS detector using final states with two high-pT leptons, JHEP 05 (2012) 059 [arXiv:1202.4892] [INSPIRE].
82. B. Combridge, J. Kripfganz and J. Ranft, Hadron production at large transverse momentum and QCD, Phys. Lett. B 70 (1977) 234 [INSPIRE].
83. P. Baernreuther, M. Czakon and A. Mitov, Percent level precision physics at the Tevatron: first genuine NNLO QCD corrections to qq̄ → tt̄ + X, arXiv:1204.5201 [INSPIRE].
84. J.C. Collins and D.E. Soper, Angular distribution of dileptons in high-energy hadron collisions, Phys. Rev. D 16 (1977) 2219 [INSPIRE].
85. CMS collaboration, Top pair cross section in dileptons, PAS-TOP-11-005 (2011).
86. A. Barr, Measuring slepton spin at the LHC, JHEP 02 (2006) 042 [hep-ph/0511115] [INSPIRE]. (Pubitemid 43346656)
87. A. Alves and O. Eboli, Unravelling the sbottom spin at the CERN LHC, Phys. Rev. D 75 (2007) 115013 [arXiv:0704.0254] [INSPIRE].
88. M. Perelstein and C. Spethmann, A collider signature of the supersymmetric golden region, JHEP 04 (2007) 070 [hep-ph/0702038] [INSPIRE].
89. H. Li, W. Parker, Z. Si and S. Su, Sbottom signature of the supersymmetric golden region, Eur. Phys. J. C 71 (2011) 1584 [arXiv:1009.6042] [INSPIRE].
90. A. Datta and S. Niyogi, Entangled system of squarks from the third generation at the Large Hadron Collider, arXiv:1111.0200 [INSPIRE].
91. H.M. Lee, V. Sanz and M. Trott, Hitting sbottom in natural SUSY, JHEP 05 (2012) 139 [arXiv:1204.0802] [INSPIRE].
92. E. Alvarez and Y. Bai, Reach the bottom line of the sbottom search, arXiv:1204.5182 [INSPIRE].
93. M. Asano, H.D. Kim, R. Kitano and Y. Shimizu, Natural supersymmetry at the LHC, JHEP 12 (2010) 019 [arXiv:1010.0692] [INSPIRE].
94. ATLAS collaboration, G. Aad et al., Search for scalar top quark pair production in natural gauge mediated supersymmetry models with the ATLAS detector in pp collisions at √ s = 7TeV, arXiv:1204.6736 [INSPIRE].
95. CDF collaboration, T. Aaltonen et al., Observation of single top quark production and measurement of jVtbj with CDF, Phys. Rev. D 82 (2010) 112005 [arXiv:1004.1181] [INSPIRE].
96. Y. Bai and Z. Han, Improving the top quark forward-backward asymmetry measurement at the LHC, JHEP 02 (2012) 135 [arXiv:1106.5071] [INSPIRE].
97. T. Plehn and M. Spannowsky, Top tagging, arXiv:1112.4441 [INSPIRE].