Search for light resonances decaying into pairs of muons as a signal of new physics

被引：0

作者：

S. Chatrchyan

V. Khachatryan

A. M. Sirunyan

A. Tumasyan

W. Adam

T. Bergauer

M. Dragicevic

J. Erö

C. Fabjan

M. Friedl

R. Frühwirth

V. M. Ghete

J. Hammer

S. Hänsel

M. Hoch

N. Hörmann

J. Hrubec

M. Jeitler

W. Kiesenhofer

M. Krammer

D. Liko

I. Mikulec

M. Pernicka

H. Rohringer

R. Schöfbeck

J. Strauss

A. Taurok

F. Teischinger

P. Wagner

W. Waltenberger

G. Walzel

E. Widl

C.-E. Wulz

V. Mossolov

N. Shumeiko

J. Suarez Gonzalez

S. Bansal

L. Benucci

E. A. De Wolf

X. Janssen

J. Maes

T. Maes

L. Mucibello

S. Ochesanu

B. Roland

R. Rougny

M. Selvaggi

H. Van Haevermaet

P. Van Mechelen

N. Van Remortel

机构：

[1] Yerevan Physics Institute,Instituto de Fisica Teorica

[2] Institut für Hochenergiephysik der OeAW,State Key Lab. of Nucl. Phys. and Tech.

[3] National Centre for Particle and High Energy Physics,Academy of Scientific Research and Technology of the Arab Republic of Egypt

[4] Universiteit Antwerpen,Department of Physics

[5] Vrije Universiteit Brussel,Institut Pluridisciplinaire Hubert Curien

[6] Université Libre de Bruxelles,Institute of High Energy Physics and Informatization

[7] Ghent University,National Centre for Physics

[8] Université Catholique de Louvain,Institute of Experimental Physics, Faculty of Physics

[9] Université de Mons,State Research Center of Russian Federation

[10] Centro Brasileiro de Pesquisas Fisicas,Instituto de Física de Cantabria (IFCA)

[11] Universidade do Estado do Rio de Janeiro,CERN

[12] Universidade Estadual Paulista,National Scientific Center

[13] Institute for Nuclear Research and Nuclear Energy,School of Physics and Astronomy

[14] University of Sofia,undefined

[15] Institute of High Energy Physics,undefined

[16] Peking University,undefined

[17] Universidad de Los Andes,undefined

[18] Technical University of Split,undefined

[19] University of Split,undefined

[20] Institute Rudjer Boskovic,undefined

[21] University of Cyprus,undefined

[22] Charles University,undefined

[23] Egyptian Network of High Energy Physics,undefined

[24] National Institute of Chemical Physics and Biophysics,undefined

[25] University of Helsinki,undefined

[26] Helsinki Institute of Physics,undefined

[27] Lappeenranta University of Technology,undefined

[28] Laboratoire d’Annecy-le-Vieux de Physique des Particules,undefined

[29] DSM/IRFU,undefined

[30] CEA/Saclay,undefined

[31] Laboratoire Leprince-Ringuet,undefined

[32] Ecole Polytechnique,undefined

[33] Université de Strasbourg,undefined

[34] Université de Haute Alsace Mulhouse,undefined

[35] Centre de Calcul de l’Institut National de Physique Nucleaire et de Physique des Particules (IN2P3),undefined

[36] Université de Lyon,undefined

[37] Université Claude Bernard Lyon 1,undefined

[38] CNRS-IN2P3,undefined

[39] Institut de Physique Nucléaire de Lyon,undefined

[40] Tbilisi State University,undefined

[41] RWTH Aachen University,undefined

[42] I. Physikalisches Institut,undefined

[43] RWTH Aachen University,undefined

[44] III. Physikalisches Institut A,undefined

[45] RWTH Aachen University,undefined

[46] III. Physikalisches Institut B,undefined

[47] Deutsches Elektronen-Synchrotron,undefined

[48] University of Hamburg,undefined

[49] Institut für Experimentelle Kernphysik,undefined

[50] Institute of Nuclear Physics “Demokritos”,undefined

来源：

Journal of High Energy Physics | / 2011卷

关键词：

Hadron-Hadron Scattering;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

A search for groups of collimated muons is performed using a data sample collected by the CMS experiment at the LHC, at a centre-of-mass energy of 7TeV, and corresponding to an integrated luminosity of 35 pb−1. The analysis searches for production of new low-mass states decaying into pairs of muons and is designed to achieve high sensitivity to a broad range of models predicting leptonic jet signatures. With no excess observed over the background expectation, upper limits on the production cross section times branching fraction times acceptance areset, ranging from 0.1 to 0.5 pb at the 95% CL depending on event topology. In addition, the results are interpreted in several benchmark models in the context of supersymmetry with a new light dark sector exploring previously inaccessible parameter space.

引用

共 50 条

[1] Search for light resonances decaying into pairs of muons as a signal of new physics
Chatrchyan, S.
Khachatryan, V.
Sirunyan, A. M.
Tumasyan, A.
Adam, W.
Bergauer, T.
Dragicevic, M.
Eroe, J.
Fabjan, C.
Friedl, M.
Fruehwirth, R.
Ghete, V. M.
Hammer, J.
Haensel, S.
Hoch, M.
Hoermann, N.
Hrubec, J.
Jeitler, M.
Kiesenhofer, W.
Krammer, M.
Liko, D.
Mikulec, I.
Pernicka, M.
Rohringer, H.
Schoefbeck, R.
Strauss, J.
Taurok, A.
Teischinger, F.
Wagner, P.
Waltenberger, W.
Walzel, G.
Widl, E.
Wulz, C. -E.
Mossolov, V.
Shumeiko, N.
Gonzalez, J. Suarez
Bansal, S.
Benucci, L.
De Wolf, E. A.
Janssen, X.
Maes, J.
Maes, T.
Mucibello, L.
Ochesanu, S.
Roland, B.
Rougny, R.
Selvaggi, M.
Van Haevermaet, H.
Van Mechelen, P.
Van Remortel, N.
[J]. JOURNAL OF HIGH ENERGY PHYSICS, 2011, (07):
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