Title
Search for supersymmetry in pp collisions at <tex>$\sqrt{s}$</tex> = 7 TeV in events with two photons and missing transverse energy Search for supersymmetry in pp collisions at <tex>$\sqrt{s}$</tex> = 7 TeV in events with two photons and missing transverse energy
Author
Faculty/Department
Faculty of Sciences. Physics
Publication type
article
Publication
New York, N.Y. ,
Subject
Physics
Source (journal)
Physical review letters. - New York, N.Y.
Volume/pages
106(2011) :21 , p. 1-15
ISSN
0031-9007
ISI
000290895300002
Carrier
E-only publicatie
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
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 36  pb-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.
Full text (open access)
https://repository.uantwerpen.be/docman/irua/f4eac2/934b11da.pdf
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