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Title of Journal: J High Energ Phys

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Abbravation: Journal of High Energy Physics

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Springer Berlin Heidelberg

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DOI

10.1007/bf03295737

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1029-8479

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Implications of light charginos for Higgs observab

Authors: J Alberto Casas Jesús M Moreno Krzysztof Rolbiecki Bryan Zaldívar
Publish Date: 2013/09/18
Volume: 2013, Issue: 9, Pages: 99-
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Abstract

A rather high Higgs mass m h ≃ 126 GeV suggests that at least a part of the supersymmetric spectrum of the MSSM may live beyond mathcalOleft 1mathrmTeV right and hence inaccessible to the LHC However there are theoretical and phenomenological reasons supporting a possibility that charginos and neutralinos remain much closer to the electroweak scale In this paper we explore such a scenario in the light of recent Higgs measurements mainly its diphoton decay rate where the data might indicate a slight excess over the SM prediction That excess could be fitted by the contribution of light charginos provided tan β is low to moderate a possibility that is receiving much attention for other theoretical reasons We investigate the implications of this scenario for other observables such as dark matter constraints electroweak observables and experimental signals at the LHC like dilepton trilepton and samesign dilepton An important part of the models survive all the constraints and are able to give positive signals at LHC14TeV and/or XENON1T

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