Search for excited leptons at CMS

27 Aug 2015, 15:00
15m
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Speaker

Lovedeep Kaur Saini (Kansas State University (US))

Description

CMS searches for a possible compositeness of electrons and muons using data from Run1 at a center-of-mass energy of 8 TeV, corresponding to an integrated luminosity of 19.7 /fb, are presented. In these searches, excited leptons are assumed to be produced via contact interactions in conjunction with a standard model lepton and decaying via gauge interactions. The decays considered are l* -> lgamma and l* -> lZ which, depending on the Z decay mode, give final states with four leptons or two leptons and two jets. Since the number of events observed in data are consistent with the expectation from the standard model, so exclusion limits on the excited lepton mass, and the compositeness scale, are presented​.​

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