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Probing the mu-from-nu supersymmetric standard model with displaced multileptons from the decay of a Higgs boson at the LHC

AuthorsMitsou, Vasiliki A. ; Ghosh, Pradipta ; López-Fogliani, Daniel E.; Muñoz, Carlos ; Ruiz de Austri, Roberto
KeywordsProton-proton collisions
Atlas detector
Issue Date8-Jul-2013
PublisherAmerican Physical Society
CitationPhysical Review - Section D - Particles and Fields 88 (1): 015009 - 6 (2013)
AbstractThe "mu from nu'' supersymmetric standard model (mu nu SSM) cures the mu problem and concurrently reproduces measured neutrino data by using a set of usual right-handed neutrino superfields. Recently, the LHC has revealed the first scalar boson which naturally makes it tempting to test mu nu SSM in the light of this new discovery. We show that this new scalar, while decaying to a pair of unstable long-lived neutralinos, can lead to a distinct signal with nonprompt multileptons. With concomitant collider analysis we show that this signal provides an intriguing signature of the model, pronounced with light neutralinos. Evidence of this signal is well envisaged with sophisticated displaced vertex analysis, which deserves experimental attention.
Publisher version (URL)http://dx.doi.org/10.1103/PhysRevD.88.015009
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