PoS - Proceedings of Science
Volume 276 - Fourth Annual Large Hadron Collider Physics (LHCP2016) - Poster: Searches for Supersymmetry
Search for electroweak production of charginos in final states with two tau leptons in pp collisions at $\sqrt{s}$ = 8 TeV
E. Eskandari*  on behalf of the CMS Collaboration
Full text: pdf
Pre-published on: February 23, 2017
Published on: March 28, 2017
Abstract
Results are presented from a search for the electroweak production of supersymmetric particles in pp collisions in final states with two tau leptons. The data sample corresponds to an integrated luminosity between 18.1 fb 1 and 19.6 fb 1 depending on the final state of tau lepton decays, at √s = 8 TeV , collected by the CMS experiment at the LHC. The observed event yields in the signal regions are consistent with the expected standard model backgrounds. The results are interpreted using simplified models describing the pair production and decays of charginos. For models describing the pair production of the lightest chargino, exclusion regions are obtained in the plane of chargino mass vs. neutralino mass under the following assumptions: the chargino decays into third-generation leptons, which are taken to be the lightest leptons, and the slepton masses lie midway between those of the chargino and the neutralino. Chargino masses below 420 GeV are excluded at a 95% confidence level in the limit of a massless neutralino, and for neutralino masses up to 100 GeV, chargino masses up to 325 GeV are excluded at 95% confidence level.
DOI: https://doi.org/10.22323/1.276.0231
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