Search for new physics in final states with two opposite-sign, same-flavor leptons, jets, and missing transverse momentum in pp collisions at TeV

被引:0
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作者
Khachatryan, V. [1 ]
Sirunyan, A. M. [1 ]
Tumasyan, A. [1 ]
Adam, W. [2 ]
Asilar, E. [2 ]
Bergauer, T. [2 ]
Brandstetter, J. [2 ]
Brondolin, E. [2 ]
Dragicevic, M. [2 ]
Eroe, J. [2 ]
Flechl, M. [2 ]
Friedl, M. [2 ]
Fruehwirth, R. [2 ,194 ]
Ghete, V. M. [2 ]
Hartl, C. [2 ]
Hoermann, N. [2 ]
Hrubec, J. [2 ]
Jeitler, M. [2 ,194 ]
Koenig, A. [2 ]
Kraetschmer, I. [2 ]
Liko, D. [2 ]
Matsushita, T. [2 ]
Mikulec, I. [2 ]
Rabady, D. [2 ]
Rad, N. [2 ]
Rahbaran, B. [2 ]
Rohringer, H. [2 ]
Schieck, J. [2 ,194 ]
Strauss, J. [2 ]
Treberer-Treberspurg, W. [2 ]
Waltenberger, W. [2 ]
Wulz, C. -E. [2 ,194 ]
Mossolov, V. [3 ]
Shumeiko, N. [3 ]
Gonzalez, J. Suarez [3 ]
Alderweireldt, S. [4 ]
De Wolf, E. A. [4 ]
Janssen, X. [4 ]
Lauwers, J. [4 ]
Van de Klundert, M. [4 ]
Van Haevermaet, H. [4 ]
Van Mechelen, P. [4 ]
Van Remortel, N. [4 ]
Van Spilbeeck, A. [4 ]
Abu Zeid, S. [5 ]
Blekman, F. [5 ]
D'Hondt, J. [5 ]
Daci, N. [5 ]
De Bruyn, I. [5 ]
Deroover, K. [5 ]
机构
[1] Yerevan Phys Inst, Yerevan, Armenia
[2] OeAW, Inst Hochenergiephys, Vienna, Austria
[3] Natl Ctr Particle & High Energy Phys, Minsk, BELARUS
[4] Univ Antwerp, Antwerp, Belgium
[5] Vrije Univ Brussel, Brussels, Belgium
[6] Univ Libre Bruxelles, Brussels, Belgium
[7] Univ Ghent, Ghent, Belgium
[8] Catholic Univ Louvain, Louvain, Belgium
[9] Univ Mons, Mons, Belgium
[10] Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil
[11] Univ Estado Rio de Janeiro, Rio De Janeiro, Brazil
[12] Univ Estadual Paulista, Sao Paulo, Brazil
[13] Univ Fed ABC, Sao Paulo, Brazil
[14] Inst Nucl Energy Res, Sofia, Bulgaria
[15] Univ Sofia, Sofia, Bulgaria
[16] Beihang Univ, Beijing, Peoples R China
[17] Inst High Energy Phys, Beijing, Peoples R China
[18] Peking Univ, State Key Lab Nucl Phys & Technol, Beijing, Peoples R China
[19] Univ Los Andes, Bogota, Colombia
[20] Univ Split, Fac Elect Engn Mech Engn & Naval Architecture, Split, Croatia
[21] Univ Split, Fac Sci, Split, Croatia
[22] Rudjer Boskovic Inst, Zagreb, Croatia
[23] Univ Cyprus, Nicosia, Cyprus
[24] Charles Univ Prague, Prague, Czech Republic
[25] Univ San Francisco Quito, Quito, Ecuador
[26] Acad Sci Res & Technol Arab Republ Egypt, Egyptian Network High Energy Phys, Cairo, Egypt
[27] NICPB, Tallinn, Estonia
[28] Univ Helsinki, Dept Phys, Helsinki, Finland
[29] Helsinki Inst Phys, Helsinki, Finland
[30] Lappeenranta Univ Technol, Lappeenranta, Finland
[31] CEA Saclay, DSM, IRFU, Gif Sur Yvette, France
[32] Ecole Polytech, CNRS, IN2P3, Lab Leprince Ringuet, Palaiseau, France
[33] Univ Haute Alsace Mulhouse, Univ Strasbourg, Inst Pluridisciplinaire Hubert Curien, CNRS,IN2P3, Strasbourg, France
[34] CNRS, IN2P3, Ctr Calcul, Villeurbanne, France
[35] Univ Lyon 1, CNRS, IN2P3, Inst Phys Nucl Lyon, Villeurbanne, France
[36] Georgian Tech Univ, Tbilisi, Georgia
[37] Tbilisi State Univ, Tbilisi, Georgia
[38] Rhein Westfal TH Aachen, Inst Phys 1, Aachen, Germany
[39] Rhein Westfal TH Aachen, Phys Inst A3, Aachen, Germany
[40] Rhein Westfal TH Aachen, Phys Inst B3, Aachen, Germany
[41] DESY, Hamburg, Germany
[42] Univ Hamburg, Hamburg, Germany
[43] Inst Expt Kernphys, Karlsruhe, Germany
[44] NCSR Demokritos, INPP, Aghia Paraskevi, Greece
[45] Natl & Kapodistrian Univ Athens, Athens, Greece
[46] Univ Ioannina, Ioannina, Greece
[47] Eotvos Lorand Univ, MTA ELTE Lendulet CMS Particle & Nucl Phys Grp, Budapest, Hungary
[48] Wigner Res Ctr Phys, Budapest, Hungary
[49] Inst Nucl Res ATOMKI, Debrecen, Hungary
[50] Univ Debrecen, Debrecen, Hungary
来源
基金
巴西圣保罗研究基金会; 美国国家科学基金会; 芬兰科学院; 欧洲研究理事会;
关键词
Beyond Standard Model; Hadron-Hadron scattering (experiments); Supersymmetry; MODEL; EXTENSION; INVARIANT;
D O I
10.1007/JHEP12(2016)013
中图分类号
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号
摘要
A search is presented for physics beyond the standard model in final states with two opposite-sign, same-flavor leptons, jets, and missing transverse momentum. The data sample corresponds to an integrated luminosity of 2.3 fb(-1) of proton-proton collisions at TeV collected with the CMS detector at the LHC in 2015. The analysis uses the invariant mass of the lepton pair, searching for a kinematic edge or a resonant-like excess compatible with the Z boson mass. Both search modes use several event categories in order to increase the sensitivity to new physics. These categories are based on the rapidity of the leptons, the multiplicity of jets and b jets, the scalar sum of jet transverse momenta, and missing transverse momentum. The observations in all signal regions are consistent with the expectations from the standard model, and the results are interpreted in the context of simplified models of supersymmetry.
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