Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/10722
Title: Search for physics beyond the standard model using multilepton signatures in pp collisions at root s=7 TeV
Authors: Demir, Durmuş Ali
CMS Collaboration
Keywords: CMS
Physics
Supersymmetry
Multileptons
Tau
MSUGRA
RPV
GMSB
Issue Date: 2011
Publisher: Elsevier Ltd.
Abstract: A search for physics beyond the standard model in events with at least three leptons and any number of jets is presented. The data sample corresponds to 35 pb(-1) of integrated luminosity in pp collisions at root s = 7 TeV collected by the CMS experiment at the LHC. A number of exclusive multileptonic channels are investigated and standard model backgrounds are suppressed by requiring sufficient missing transverse energy, invariant mass inconsistent with that of the Z boson, or high jet activity. Control samples in data are used to ascertain the robustness of background evaluation techniques and to minimise the reliance on simulation. The observations are consistent with background expectations. These results constrain previously unexplored regions of supersymmetric parameter space. (C) 2011 CERN. Published by Elsevier B.V. All rights reserved.
URI: https://doi.org/10.1016/j.physletb.2011.09.047
https://hdl.handle.net/10722
ISSN: 0370-2693
Appears in Collections:Physics / Fizik
Rectorate / Rektörlük
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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