Long-lived triplinos and displaced lepton signals at the LHC

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Keceli , A S , Bandyopadhyay , P & Huitu , K 2019 , ' Long-lived triplinos and displaced lepton signals at the LHC ' , European Physical Journal C. Particles and Fields , vol. 79 , no. 4 , 345 . https://doi.org/10.1140/epjc/s10052-019-6818-0

Title: Long-lived triplinos and displaced lepton signals at the LHC
Author: Keceli, Asli Sabanci; Bandyopadhyay, Priyotosh; Huitu, Katri
Contributor: University of Helsinki, Particle Physics and Astrophysics
University of Helsinki, Department of Physics
Date: 2019-04-17
Language: eng
Number of pages: 16
Belongs to series: European Physical Journal C. Particles and Fields
ISSN: 1434-6044
URI: http://hdl.handle.net/10138/301620
Abstract: We explore the possibility of having superpartners of triplet Higgs bosons, named as triplinos'. They form a part of light neutralinos and charginos in a Y=0 extended supersymmetric Standard Model. For this model such electroweakinos do not have direct couplings to the Standard Model fermions. On top of that, due to very compressed spectrum for lighter neutralinos and charginos, their decay products coming from three body decays are very soft and thus can evade the current collider bounds. These decays are particularly interesting since they give rise to displaced leptonic signatures. We categorise the parameter space, while exploring different displaced decay possibilities. A PYTHIA based simulation has been performed to find out the displaced charged lepton, jet and b-jet final states at the LHC with center of mass energy of 14 TeV.
Subject: HIGGS-BOSON
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114 Physical sciences
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