Stop the top background of the stop search

Journal of High Energy Physics

Volumn 2012, Issue 7, 2012, Pages

  Bai, Yang ^a   Cheng, Hsin Chia ^b   Gallicchio, Jason ^b   Gu, Jiayin ^b  

^a SLAC NATIONAL ACCELERATOR LABORATORY   (United States)

^b UNIVERSITY OF CALIFORNIA   (United States)

Author keywords

Supersymmetry phenomenology

Indexed keywords

EID: 84864436729     PISSN: 11266708     EISSN: 10298479     Source Type: Journal    
DOI: 10.1007/JHEP07(2012)110     Document Type: Article

References (52)

1. A. H. Chamseddine, R. L. Arnowitt and P. Nath, Locally supersymmetric grand unification, Phys. Rev. Lett. 49 (1982) 970.
2. R. Barbieri, S. Ferrara and C. A. Savoy, Gauge models with spontaneously broken local supersymmetry, Phys. Lett. B 119 (1982) 343.
3. L. J. Hall, J. D. Lykken and S. Weinberg, Supergravity as the messenger of supersymmetry breaking, Phys. Rev. D 27 (1983) 2359.
4. G. L. Kane, C. F. Kolda, L. Roszkowski and J. D. Wells, Study of constrained minimal supersymmetry, Phys. Rev. D 49 (1994) 6173 [hep-ph/9312272].
5. CMS collaboration, S. Chatrchyan et al., Search for supersymmetry at the LHC in events with jets and missing transverse energy, Phys. Rev. Lett. 107 (2011) 221804 [arXiv:1109.2352].
6. 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 = 7TeV proton-proton collisions, Phys. Lett. B 710 (2012) 67 [arXiv:1109.6572].
7. S. Dimopoulos and G. F. Giudice, Naturalness constraints in supersymmetric theories with nonuniversal soft terms, Phys. Lett. B 357 (1995) 573 [hep-ph/9507282].
8. A. G. Cohen, D. B. Kaplan and A. E. Nelson, The more minimal supersymmetric standard model, Phys. Lett. B 388 (1996) 588 [hep-ph/9607394].
9. R. Kitano and Y. Nomura, Supersymmetry, naturalness and signatures at the LHC, Phys. Rev. D 73 (2006) 095004 [hep-ph/0602096].
10. R. Barbieri and D. Pappadopulo, S-particles at their naturalness limits, JHEP 10 (2009) 061 [arXiv:0906.4546].
11. C. Brust, A. Katz, S. Lawrence and R. Sundrum, SUSY, the third generation and the LHC, JHEP 03 (2012) 103 [arXiv:1110.6670].
12. M. Papucci, J. T. Ruderman and A. Weiler, Natural SUSY endures, arXiv:1110.6926.
13. ATLAS collaboration, G. Aad et al., Search for supersymmetry in pp collisions at √s = 7 TeV in final states with missing transverse momentum and b-jets, Phys. Lett. B 701 (2011) 398 [arXiv:1103.4344].
14. ATLAS collaboration, Search for supersymmetry in pp collisions at √s = 7TeV in final states with missing transverse momentum and b-jets with the ATLAS detector, ATLAS-CONF-2012-003 (2012).
15. CMS collaboration, S. Chatrchyan et al., Search for supersymmetry in events with b jets and missing transverse momentum at the LHC, JHEP 07 (2011) 113 [arXiv:1106.3272].
16. CMS collaboration, Search for new physics in events with b-quark jets and missing transverse energy in proton-proton collisions at 7TeV, CMS-PAS-SUS-11-006 (2011).
17. G. L. Kane, E. Kuflik, R. Lu and L.-T. Wang, Top channel for early SUSY discovery at the LHC, Phys. Rev. D 84 (2011) 095004 [arXiv:1101.1963].
18. R. Essig, E. Izaguirre, J. Kaplan and J. G. Wacker, Heavy flavor simplified models at the LHC, JHEP 01 (2012) 074 [arXiv:1110.6443].
19. J. Berger, M. Perelstein, M. Saelim and A. Spray, Boosted tops from gluino decays, arXiv:1111.6594.
20. M. Carena, A. Freitas and C. E. M. Wagner, Light stop searches at the LHC in events with one hard photon or jet and missing energy, JHEP 10 (2008) 109 [arXiv:0808.2298].
21. S. Bornhauser, M. Drees, S. Grab and J. S. Kim, Light stop searches at the LHC in events with two b-jets and missing energy, Phys. Rev. D 83 (2011) 035008 [arXiv:1011.5508].
22. Y. Kats and D. Shih, Light stop NLSPs at the Tevatron and LHC, JHEP 08 (2011) 049 [arXiv:1106.0030].
23. B. He, T. Li and Q. Shafi, Impact of LHC searches on NLSP top squark and gluino mass, JHEP 05 (2012) 148 [arXiv:1112.4461].
24. M. Drees, M. Hanussek and J. S. Kim, Light stop searches at the LHC with monojet events, arXiv:1201.5714.
25. H.-C. Cheng and I. Low, TeV symmetry and the little hierarchy problem, JHEP 09 (2003) 051 [hep-ph/0308199].
26. H.-C. Cheng and I. Low, Little hierarchy, little Higgses and a little symmetry, JHEP 08 (2004) 061 [hep-ph/0405243].
27. H.-C. Cheng, I. Low and L.-T. Wang, Top partners in little Higgs theories with T-parity, Phys. Rev. D 74 (2006) 055001 [hep-ph/0510225].
28. Y. Bai, Mini little Higgs and dark matter, Phys. Lett. B 666 (2008) 332 [arXiv:0801.1662].
29. J. Alwall, J. L. Feng, J. Kumar and S. Su, Dark matter-motivated searches for exotic 4th generation quarks in Tevatron and early LHC data, Phys. Rev. D 81 (2010) 114027 [arXiv:1002.3366].
30. P. Fileviez Perez and M. B. Wise, Baryon and lepton number as local gauge symmetries, Phys. Rev. D 82 (2010) 011901
31. [Erratum Phys. Rev. D 82 (2010) 079901] [arXiv:1002.1754].
32. P. Meade and M. Reece, Top partners at the LHC: spin and mass measurement, Phys. Rev. D 74 (2006) 015010 [hep-ph/0601124].
33. S. Matsumoto, M. M. Nojiri and D. Nomura, Hunting for the top partner in the littlest Higgs model with T-parity at the CERN LHC, Phys. Rev. D 75 (2007) 055006 [hep-ph/0612249].
34. K. Kong and S. C. Park, Phenomenology of top partners at the ILC, JHEP 08 (2007) 038 [hep-ph/0703057].
35. T. Han, R. Mahbubani, D. G. E. Walker and L.-T. Wang, Top quark pair plus large missing energy at the LHC, JHEP 05 (2009) 117 [arXiv:0803.3820].
36. S. Matsumoto, T. Moroi and K. Tobe, Testing the littlest Higgs model with T-parity at the Large Hadron Collider, Phys. Rev. D 78 (2008) 055018 [arXiv:0806.3837].
37. T. Plehn, M. Spannowsky, M. Takeuchi and D. Zerwas, Stop reconstruction with tagged tops, JHEP 10 (2010) 078 [arXiv:1006.2833].
38. T. Plehn, M. Spannowsky and M. Takeuchi, Boosted semileptonic tops in stop decays, JHEP 05 (2011) 135 [arXiv:1102.0557].
39. ATLAS collaboration, G. Aad et al., Search for new phenomena in tt̄ events with large missing transverse momentum in proton-proton collisions at √s = 7 TeV with the ATLAS detector, Phys. Rev. Lett. 108 (2012) 041805 [arXiv:1109.4725].
40. J. Alwall, M. Herquet, F. Maltoni, O. Mattelaer and T. Stelzer, MadGraph 5: going beyond, JHEP 06 (2011) 128 [arXiv:1106.0522].
41. T. Sjöstrand, S. Mrenna and P. Z. Skands, PYTHIA 6.4 physics and manual, JHEP 05 (2006) 026 [hep-ph/0603175].
42. J. S. Conway, Pretty Good Simulation of high-energy collisions, release 090401, http://physics.ucdavis.edu/?conway/research/software/pgs/pgs4-general. htm.
43. M. Cacciari, G. P. Salam and G. Soyez, The anti-kt jet clustering algorithm, JHEP 04 (2008) 063 [arXiv:0802.1189].
44. W. Beenakker et al., Squark and gluino hadroproduction, Int. J. Mod. Phys. A 26 (2011) 2637 [arXiv:1105.1110].
45. N. Kidonakis, Next-to-next-to-leading soft-gluon corrections for the top quark cross section and transverse momentum distribution, Phys. Rev. D 82 (2010) 114030 [arXiv:1009.4935].
46. C. G. Lester and D. J. Summers, Measuring masses of semiinvisibly decaying particles pair produced at hadron colliders, Phys. Lett. B 463 (1999) 99 [hep-ph/9906349].
47. T2: the truth behind the glamour, J. Phys. G 29 (2003) 2343 [hep-ph/0304226].
48. T. Cohen, E. Kuflik and K. M. Zurek, Extracting the dark matter mass from single stage cascade decays at the LHC, JHEP 11 (2010) 008 [arXiv:1003.2204].
49. 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].
50. T2, JHEP 12 (2008) 063 [arXiv:0810.5178].
51. A. J. Barr, B. Gripaios and C. G. Lester, Transverse masses and kinematic constraints: from the boundary to the crease, JHEP 11 (2009) 096 [arXiv:0908.3779].
52. T2to asymmetric event topologies, JHEP 04 (2010) 086 [arXiv:0911.4126].