Artículos de revistas
Search for supersymmetry in pp collisions at √s=7TeV in events with two photons and missing transverse energy
Fecha
2011-05-24Registro en:
Physical Review Letters, v. 106, n. 21, 2011.
1079-7114
0031-9007
10.1103/PhysRevLett.106.211802
2-s2.0-79960795406
Autor
Yerevan Physics Institute
Institut für Hochenergiephysik der OeAW
National Centre for Particle and High Energy Physics
Universiteit Antwerpen
Vrije Universiteit Brussel
Université Libre de Bruxelles
Ghent University
Université Catholique de Louvain
Université de Mons
Centro Brasileiro de Pesquisas Fisicas
Universidade do Estado do Rio de Janeiro (UERJ)
Universidade Estadual Paulista (UNESP)
Institute for Nuclear Research and Nuclear-Energy
University of Sofia
Institute of High Energy Physics
Peking University
Universidad de Los Andes
Technical University of Split
University of Split
Institute Rudjer Boskovic
University of Cyprus
Charles University
Egyptian Network of High Energy Physics
National Institute of Chemical Physics and Biophysics
University of Helsinki
Helsinki Institute of Physics
Lappeenranta University of Technology
IN2P3-CNRS
CEA/Saclay
Université de Haute Alsace Mulhouse
L'Institut National de Physique Nucleaire et de Physique des Particules (IN2P3)
Institut de Physique Nucléaire de Lyon
Tbilisi State University
I. Physikalisches Institut
III. Physikalisches Institut A
III. Physikalisches Institut B
Deutsches Elektronen-Synchrotron
University of Hamburg
Institut für Experimentelle Kernphysik
Institute of Nuclear Physics Demokritos
University of Athens.
University of Ioánnina
KFKI Research Institute for Particle and Nuclear Physics
Institute of Nuclear Research - ATOMKI
University of Debrecen
Panjab University
University of Delhi
Bhabha Atomic Research Centre
Tata Institute of Fundamental Research - EHEP
Tata Institute of Fundamental Research HECR
Institute for Research and Fundamental Sciences (IPM)
Politecnico di Bari
INFN Sezione di Bari
Università di Bari
Università di Bologna
INFN Sezione di Bologna
Università di Catania
INFN Sezione di Catania
Università di Firenze
INFN Sezione di Firenze
INFN Laboratori Nazionali di Frascati
INFN Sezione di Genova
Università di Milano-Bicocca
INFN Sezione di Milano-Biccoca
Università di Napoli Federico II
INFN Sezione di Napoli
Università di Trento (Trento)
INFN Sezione di Padova
Università di Padova
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Scuola Normale Superiore di Pisa
INFN Sezione di Pisa
Università di Pisa
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INFN Sezione di Roma
Università di Roma La Sapienza
Università del Piemonte Orientale (Novara)
INFN Sezione di Torino
Università di Torino
Università di Trieste
INFN Sezione di Trieste
Kangwon National University
Kyungpook National University
Institute for Universe and Elementary Particles
Korea University
University of Seoul
Sungkyunkwan University
Vilnius University
Centro de Investigacion y de Estudios Avanzados del IPN
Universidad Iberoamericana
Benemerita Universidad Autonoma de Puebla
Universidad Autónoma de San Luis Potosí
University of Auckland
University of Canterbury
Quaid-I-Azam University
University of Warsaw
Soltan Institute for Nuclear-Studies
Laboratório de Instrumentação e Física Experimental de Partículas
Joint Institute for Nuclear Research
Petersburg Nuclear Physics Institute
Institute for Nuclear Research
Institute for Theoretical and Experimental-Physics
Moscow State University.
P.N. Lebedev Physical Institute
Institute for High Energy Physics
Vinca Institute of Nuclear-Sciences
Centro de Investigaciones Energéticas Medioambientales y Tecnológicas (CIEMAT)
Universidad Autónoma de Madrid
Universidad de Oviedo
CSIC-Universidad de Cantabria
European Organization for Nuclear-Research
Paul Scherrer Institut.
ETH Zurich
Universität Zürich
National Central University
National Taiwan University (NTU)
Cukurova University
Physics Department
Bogazici University
Kharkov Institute of Physics and Technology
University of Bristol
Rutherford Appleton Laboratory.
Imperial College
Brunel University
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Boston University
Brown University
Davis
Los-Angeles
Riverside
University of California
Santa Barbara
California Institute of Technology.
Carnegie Mellon University
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Cornell University
Fairfield University
Fermi National Accelerator Laboratory
University of Florida.
Florida International University
Florida State University
Florida Institute of Technology
University of Illinois at Chicago (UIC)
University of Iowa
Johns Hopkins University
University of Kansas.
Kansas State University
Lawrence Livermore National Laboratory
University of Maryland
Massachusetts Institute of Technology.
University of Minnesota
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the State University of New Jersey
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Wayne State University
University of Wisconsin
European Organization for Nuclear Research.
Universidade Federal do ABC (UFABC)
Suez Canal University
British University
Fayoum University
Soltan Institute for Nuclear Studies
Massachusetts Institute of Technology
Université de Haute-Alsace
Brandenburg University of Technology
Moscow State University
Institute of Nuclear Research ATOMKI
Eötvös Loránd University
Tata Institute of Fundamental Research - HECR
University of Visva-Bharati
Sharif University of Technology
Shiraz University
Isfahan University of Technology
Facoltà Ingegneria Università di Roma La Sapienza
Università della Basilicata
Università degli studi di Siena
California Institute of Technology
University of Belgrade
Los Angeles
University of Florida
Université de Genève
Scuola Normale e Sezione dell' INFN
University of Athens
University of Kansas
Institute for Theoretical and Experimental Physics
Paul Scherrer Institut
Vinca Institute of Nuclear Sciences
Gaziosmanpasa University
Adiyaman University
Mersin University
Izmir Institute of Technology
Kafkas University
Suleyman Demirel University
Ege University
Rutherford Appleton Laboratory
University of Southampton.
Utah Valley University
Institute for Nuclear-Research
Erzincan University
Institución
Resumen
A search for supersymmetry in the context of general gauge-mediated breaking with the lightest neutralino as the next-to-lightest supersymmetric particle and the gravitino as the lightest is presented. The data sample corresponds to an integrated luminosity of 36pb-1 recorded by the CMS experiment at the LHC. The search is performed by using events containing two or more isolated photons, at least one hadronic jet, and significant missing transverse energy. No excess of events at high missing transverse energy is observed. Upper limits on the signal cross section for general gauge-mediated supersymmetry between 0.3 and 1.1 pb at the 95% confidence level are determined for a range of squark, gluino, and neutralino masses, excluding supersymmetry parameter space that was inaccessible to previous experiments. © 2011 American Physical Society.