Search for supersymmetry in events with b-quark jets and missing transverse energy in pp collisions at 7 TeV

Abstract : Results are presented from a search for physics beyond the standard model based on events with large missing transverse energy, at least three jets, and at least one, two, or three b-quark jets. The study is performed using a sample of proton-proton collision data collected at sqrt(s)=7 TeV with the CMS detector at the LHC in 2011, with the missing transverse energy distribution as the principal search variable. The integrated luminosity of the sample is 4.98 inverse femtobarns. The observed number of events is found to be consistent with the standard model expectation, which is evaluated using control samples in the data. The results are used to constrain cross sections for the production of supersymmetric particles decaying to b-quark-enriched final states in the context of simplified model spectra.
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Article dans une revue
Physical Review D, American Physical Society, 2012, 86, pp.072010. <10.1103/PhysRevD.86.072010>


http://hal.in2p3.fr/in2p3-00725466
Contributeur : Dominique Girod <>
Soumis le : lundi 27 août 2012 - 10:47:33
Dernière modification le : mercredi 27 juillet 2016 - 14:48:48

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S. Chatrchyan, M. Besancon, S. Choudhury, M. Dejardin, D. Denegri, et al.. Search for supersymmetry in events with b-quark jets and missing transverse energy in pp collisions at 7 TeV. Physical Review D, American Physical Society, 2012, 86, pp.072010. <10.1103/PhysRevD.86.072010>. <in2p3-00725466>

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