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      Chargino reconstruction in supersymmetry with long-lived staus

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          Abstract

          We consider a supersymmetric (SUSY) scenario including right-handed neutrinos, one of whose scalar superpartners is the lightest SUSY particle (LSP). The distinguishing feature in the collider signal of SUSY in such a case is not missing energy but a pair of charged tracks corresponding to the next-to- lightest SUSY particle, when it is, as in the case considered, a stau. Following up on our recent work on neutralino reconstruction in such cases, we explore the possibility of reconstructing charginos, too, through a study of transverse mass distributions in specified final states. The various steps of isolating the transverse momenta of neutrinos relevant for this are outlined, and regions of the parameter space where our procedure works are identified.

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          Locally Supersymmetric Grand Unification

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            Search for supersymmetric particles in hadron-hadron collisions

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              Transverse Mass and Width of theWBoson

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                Author and article information

                Journal
                18 October 2009
                Article
                10.1103/PhysRevD.81.015003
                0910.3446
                f0d8271c-c5f0-4766-944d-c8f05d6ff9a5

                http://arxiv.org/licenses/nonexclusive-distrib/1.0/

                History
                Custom metadata
                Phys.Rev.D81:015003,2010
                27 pages, 6 figures and 3 tables
                hep-ph

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