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Search for supersymmetry in pp collisions at sqrt(s) = 7 TeV in events with a single lepton, jets, and missing transverse momentum

Abstract : Results are reported from a search for new physics processes in events containing a single isolated high-transverse-momentum lepton (electron or muon), energetic jets, and large missing transverse momentum. The analysis is based on a 4.98 inverse femtobarn sample of proton-proton collisions at a center-of-mass energy of 7 TeV, obtained with the CMS detector at the LHC. Three separate background estimation methods, each relying primarily on control samples in the data, are applied to a range of signal regions, providing complementary approaches for estimating the background yields. The observed yields are consistent with the predicted standard model backgrounds. The results are interpreted in terms of limits on the parameter space for the constrained minimal supersymmetric extension of the standard model, as well as on cross sections for simplified models, which provide a generic description of the production and decay of new particles in specific, topology based final states.
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http://hal.in2p3.fr/in2p3-00865284
Contributor : Dominique Girod <>
Submitted on : Tuesday, September 24, 2013 - 11:24:06 AM
Last modification on : Friday, June 5, 2020 - 10:52:07 AM

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S. Chatrchyan, M. Besancon, S. Choudhury, M. Dejardin, D. Denegri, et al.. Search for supersymmetry in pp collisions at sqrt(s) = 7 TeV in events with a single lepton, jets, and missing transverse momentum. European Physical Journal C: Particles and Fields, Springer Verlag (Germany), 2013, 73, pp.2404. ⟨10.1140/epjc/s10052-013-2404-z⟩. ⟨in2p3-00865284⟩

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