REAL

Search for displaced supersymmetry in events with an electron and a muon with large impact parameters

Khachatryan, V. and Sirunyan, A. M. and Tumasyan, A. and Adam, W. and Bergauer, T. and Filipovic, Nicolas and Bencze, György and Hajdú, Csaba and Hidas, Pál and Horváth, Dezső and Siklér, Ferenc and Veszprémi, Viktor and Vesztergombi, György and Zsigmond, Anna Júlia and Karancsi, János and Molnár, József and Pálinkás, József and Trócsányi, Zoltán and Ujvári, Balázs and Veres, Gábor (2015) Search for displaced supersymmetry in events with an electron and a muon with large impact parameters. PHYSICAL REVIEW LETTERS, 114 (6). ISSN 0031-9007

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Abstract

A search for new long-lived particles decaying to leptons is presented using proton- proton collisions produced by the LHC at √s = 8 TeV. Data used for the analysis were collected by the CMS detector and correspond to an integrated luminosity of 19.7 fb−1. Events are selected with an electron and muon with opposite charges that both have transverse impact parameter values between 0.02 cm and 2 cm. The search has been designed to be sensitive to a wide range of models with nonprompt e-μ final states. Limits are set on the “displaced supersymmetry” model, with pair production of top squarks decaying into an e-μ final state via R-parity-violating interactions. The results are the most restrictive to date on this model, with the most stringent limit being obtained for a top squark lifetime corresponding to cτ = 2 cm, excluding masses below 790 GeV at 95% confidence level.

Item Type: Article
Subjects: Q Science / természettudomány > QC Physics / fizika
SWORD Depositor: MTMT SWORD
Depositing User: MTMT SWORD
Date Deposited: 12 Oct 2023 14:31
Last Modified: 12 Oct 2023 14:31
URI: http://real.mtak.hu/id/eprint/176648

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