Search for New Physics in the Multijet and Missing Transverse Momentum Final State in Proton-Proton Collisions at √s=7 TeV

被引：176

作者：

Chatrchyan, S. ^{[1
]}

Khachatryan, V. ^{[1
]}

Sirunyan, A. M. ^{[1
]}

Tumasyan, A. ^{[2
]}

Adam, W. ^{[2
]}

Bergauer, T. ^{[2
]}

Dragicevic, M. ^{[2
]}

Eroe, J. ^{[2
]}

Fabjan, C. ^{[2
,180
]}

Friedl, M. ^{[2
]}

Fruehwirth, R. ^{[2
]}

Ghete, V. M. ^{[2
]}

Hammer, J. ^{[2
]}

Hoermann, N. ^{[2
]}

Hrubec, J. ^{[2
]}

Jeitler, M. ^{[2
,180
]}

Kiesenhofer, W. ^{[2
]}

Knuenz, V. ^{[2
]}

Krammer, M. ^{[2
,180
]}

Liko, D. ^{[2
]}

Mikulec, I. ^{[2
]}

Pernicka, M. ^{[2
]}

Rahbaran, B. ^{[2
]}

Rohringer, C. ^{[2
]}

Rohringer, H. ^{[2
]}

Schoefbeck, R. ^{[2
]}

Strauss, J. ^{[2
]}

Taurok, A. ^{[2
]}

Wagner, P. ^{[2
]}

Waltenberger, W. ^{[2
]}

Walzel, G. ^{[2
]}

Widl, E. ^{[2
]}

Wulz, C. -E. ^{[2
,180
]}

Mossolov, V. ^{[3
]}

Shumeiko, N. ^{[3
]}

Gonzalez, J. Suarez ^{[3
]}

Bansal, S. ^{[4
]}

Cornelis, T. ^{[4
]}

De Wolf, E. A. ^{[4
]}

Janssen, X. ^{[4
]}

Luyckx, S. ^{[4
]}

Maes, T. ^{[4
]}

Mucibello, L. ^{[4
]}

Ochesanu, S. ^{[4
]}

Roland, B. ^{[4
]}

Rougny, R. ^{[4
]}

Selvaggi, M. ^{[4
]}

Staykova, Z. ^{[4
]}

Van Haevermaet, H. ^{[4
]}

机构：

[1] Yerevan Phys Inst, Yerevan 375036, Armenia

[2] Inst Hochenergiephys OeAW, Vienna, Austria

[3] Natl Ctr Particle & High Energy Phys, Minsk, BELARUS

[4] Univ Antwerp, B-2020 Antwerp, Belgium

[5] Vrije Univ Brussel, Brussels, Belgium

[6] Univ Libre Bruxelles, Brussels, Belgium

[7] Univ Ghent, B-9000 Ghent, Belgium

[8] Catholic Univ Louvain, B-3000 Louvain, Belgium

[9] Univ Mons, B-7000 Mons, Belgium

[10] Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil

[11] Univ Estado Rio de Janeiro, BR-20550011 Rio De Janeiro, Brazil

[12] Univ Estadual Paulista, Inst Fis Teor, BR-01405 Sao Paulo, Brazil

[13] Bulgarian Acad Sci, Inst Nucl Res & Nucl Energy, Sofia, Bulgaria

[14] Univ Sofia, BU-1126 Sofia, Bulgaria

[15] Inst High Energy Phys, Beijing 100039, Peoples R China

[16] Peking Univ, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China

[17] Univ Los Andes, Bogota, Colombia

[18] Tech Univ Split, Split, Croatia

[19] Univ Split, Split, Croatia

[20] Rudjer Boskovic Inst, Zagreb, Croatia

[21] Univ Cyprus, Nicosia, Cyprus

[22] Charles Univ Prague, Prague, Czech Republic

[23] Acad Sci Res & Technol Arab Republ Egypt, Egyptian Network High Energy Phys, Cairo, Egypt

[24] NICPB, Tallinn, Estonia

[25] Univ Helsinki, Dept Phys, Helsinki, Finland

[26] Helsinki Inst Phys, Helsinki, Finland

[27] Lappeenranta Univ Technol, Lappeenranta, Finland

[28] CEA Saclay, DSM IRFU, F-91191 Gif Sur Yvette, France

[29] Ecole Polytech, CNRS IN2P3, Lab Leprince Ringuet, Palaiseau, France

[30] Univ Haute Alsace Mulhouse, Univ Strasbourg, CNRS IN2P3, Inst Pluridisciplinaire Hubert Curien, Strasbourg, France

[31] Ctr Calcul Inst Natl Phys Nucl & Phys Particules, Villeurbanne, France

[32] Univ Lyon 1, CNRS IN2P3, Inst Phys Nucl Lyon, F-69622 Villeurbanne, France

[33] Georgian Acad Sci, E Andronikashvili Inst Phys, GE-380060 Tbilisi, Georgia

[34] Rhein Westfal TH Aachen, Phys Inst 1, Aachen, Germany

[35] Rhein Westfal TH Aachen, Phys Inst A 3, Aachen, Germany

[36] Rhein Westfal TH Aachen, Phys Inst B 3, Aachen, Germany

[37] DESY, Hamburg, Germany

[38] Univ Hamburg, Hamburg, Germany

[39] Univ Karlsruhe, Inst Expt Kernphys, D-7500 Karlsruhe, Germany

[40] Inst Nucl Phys Demokritos, Aghia Paraskevi, Greece

[41] Univ Athens, Athens, Greece

[42] Univ Ioannina, GR-45110 Ioannina, Greece

[43] KFKI Res Inst Particle & Nucl Phys, Budapest, Hungary

[44] Inst Nucl Res ATOMKI, Debrecen, Hungary

[45] Univ Debrecen, H-4012 Debrecen, Hungary

[46] Panjab Univ, Chandigarh 160014, India

[47] Univ Delhi, Delhi 110007, India

[48] Saha Inst Nucl Phys, Kolkata, India

[49] Bhabha Atom Res Ctr, Mumbai 400085, Maharashtra, India

[50] Tata Inst Fundamental Res EHEP, Mumbai, Maharashtra, India

来源：

PHYSICAL REVIEW LETTERS | 2012年 / 109卷 / 17期

基金：

巴西圣保罗研究基金会; 芬兰科学院;

关键词：

ATLAS DETECTOR; SQUARKS; GLUINOS; JETS;

D O I：

10.1103/PhysRevLett.109.171803

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A search for physics beyond the standard model is performed in events with at least three jets and large missing transverse momentum produced in proton-proton collisions at a center-of-mass energy of root s = 7 TeV. No significant excess of events above the expected backgrounds is observed in 4.98 fb(-1) of data collected with the CMS detector at the Large Hadron Collider. The results are presented in the context of the constrained minimal supersymmetric extension of the standard model and more generically for simplified models. For the simplified models of gluino-gluino and squark-squark production, gluino masses below 1.0 TeV and squark masses below 0.76 TeV are excluded in case the lightest supersymmetric particle mass is below 200 GeV. These results significantly extend previous searches.

引用

页数：16

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