Searches for supersymmetry using the MT2 variable in hadronic events produced in pp collisions at 8 TeV

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题名:	Searches for supersymmetry using the MT2 variable in hadronic events produced in pp collisions at 8 TeV
作者:	郭家銘;Kiesenhofer, W.;Treberer-Treberspurg, W.;Caebergs, T.;Fonseca De Souza, S.;Sultanov, G.;Finger, M.;Ellithi Kamel, A.;Mäenpää, T.;Hamel de Monchenault, G.;Van Hove, P.;Heister, A.;Schulte, J. F.;Lingemann, J.;Nowack, A.;Dolinska, G.;Gunnellini, P.;Kieseler, J.;Ntomari, E.;Sahin, M. Ö.;Centis Vignali, M.;Sola, V.;Giffels, M.;Lobelle Pardo, P.;Rabbertz, K.;Veszpremi, V.;Molnar, J.;Ganguly, S.;Guchait, M.;Sudhakar, K.;De Filippis, N.;Abbiendi, G.;Govoni, P.;Riccardi, C.;Tonelli, G.;Oh, Y. D.;Park, H.;Hong, B.;Juodagalvis, A.;Khurshid, T.;Zalewski, P.;Dominik, W.;Doroba, K.;Krolikowski, J.;Karjavin, V.;Savina, M.;Popov, V.;Dremin, I.;Boos, E.;Snigirev, A.;Bitioukov, S.;Ryutin, R.;Baillon, P.;Hansen, M.;Magini, N.;Petrilli, A.;Musella, P.;Millan Mejias, B.;Chao, Y.;Cerci, S.;Kangal, E. E.;Hobson, P. R.;Leslie, D.;Erbacher, R.;Mulhearn, M.;Hauser, J.;Letts, J.;Franco Sevilla, M.;Duarte, J.;Newman, H. B.;Wilkinson, R.;Ferguson, T.;Freeman, J.;Yang, F.;Das, S.;Shchutska, L.;Linn, S.;Hohlmann, M.;Chakaberia, I.;Maravin, Y.;Hadley, N. J.;Veverka, J.;Lynch, S.;Woodard, A.;Flowers, S.;Zuranski, A.;Barnes, V. E.;Jung, K.;Neumeister, N.;Wang, F.;Korjenevski, S.;Gray, R.;Walker, M.;Bouhali, O.;Castaneda Hernandez, A.;Rose, A.;Dragoiu, C.;Sharma, M.;Boutle, S.;Kottachchi Kankanamge Don, C.;Herndon, M.
贡献者:	理學院物理學系
关键词:	Classical and Quantum Gravitation;Elementary Particles;High Energy Physics - Experiment;Physics;Physics and Astronomy;Quantum Field Theories;Quantum Field Theory;Quantum Physics;Regular Article - Experimental Physics;Relativity Theory;String Theory
日期:	2015-05-26
上传时间:	2026-04-23 14:21:31 (UTC+8)
出版者:	Springer Verlag;Berlin/Heidelberg: Springer Berlin Heidelberg
摘要:	摘要： A bstract Searches for supersymmetry (SUSY) are performed using a sample of hadronic events produced in 8 TeV pp collisions at the CERN LHC. The searches are based on the M T2 variable, which is a measure of the transverse momentum imbalance in an event. The data were collected with the CMS detector and correspond to an integrated luminosity of 19.5 fb −1 . Two related searches are performed. The first is an inclusive search based on signal regions defined by the value of the M T2 variable, the hadronic energy in the event, the jet multiplicity, and the number of jets identified as originating from bottom quarks. The second is a search for a mass peak corresponding to a Higgs boson decaying to a bottom quark-antiquark pair, where the Higgs boson is produced as a decay product of a SUSY particle. For both searches, the principal backgrounds are evaluated with data control samples. No significant excess over the expected number of background events is observed, and exclusion limits on various SUSY models are derived. 其他題名： J. High Energ. Phys 出版者： Berlin/Heidelberg: Springer Berlin Heidelberg 出版日期： 2015-05-15 出處： The journal of high energy physics, 2015-05, Vol.2015 (5) 資源來源： Springer Nature Link (Free) 版權： The Author(s) 2015 版權： CC0 1.0 - Universal 識別號： ISSN: 1126-6708 識別號： EISSN: 1029-8479 識別號： DOI: 10.1007/JHEP05(2015)078
显示于类别:	[物理學系] 期刊論文

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