Measurement of SUSY masses via cascade decays for SPS 1a

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dc.creatorGjelsten, B. K.
dc.creatorMiller, D. J.
dc.creatorOsland, P.
dc.date2004-10-22
dc.date2005-01-07
dc.date.accessioned2026-07-07T13:02:36Z
dc.date.available2026-07-07T13:02:36Z
dc.descriptionIf R-parity conserving supersymmetry exists below the TeV-scale, new particles will be produced and decay in cascades at the LHC. The lightest supersymmetric particle will escape the detectors, thereby complicating the full reconstruction of the decay chains. In this paper we expand on existing methods for determining the masses of the particles in the cascade from endpoints of kinematical distributions. We perform scans in the mSUGRA parameter space to delimit the region where this method is applicable. From the examination of theoretical distributions for a wide selection of mass scenarios it is found that caution must be exerted when equating the theoretical endpoints with the experimentally obtainable ones. We provide analytic formulae for the masses in terms of the endpoints most readily available. Complications due to the composite nature of the endpoint expressions are discussed in relation to the detailed analysis of two points on the SPS~1a line. Finally we demonstrate how a Linear Collider measurement can improve dramatically on the precision of the masses obtained.
dc.description57 pages, several figures, some of which should be viewed/printed in colour. v2: version accepted for publication
dc.identifierhttps://arxiv.org/abs/hep-ph/0410303
dc.identifierhttp://arxiv.org/abs/hep-ph/0410303
dc.identifierJHEP 0412:003,2004
dc.identifierdoi:10.1088/1126-6708/2004/12/003
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/226502
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectHigh Energy Physics - Experiment
dc.titleMeasurement of SUSY masses via cascade decays for SPS 1a
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