Phenomenological Aspects of Heterotic Orbifold Models at One Loop

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dc.creatorBinetruy, Pierre
dc.creatorBirkedal-Hansen, Andreas
dc.creatorMambrini, Yann
dc.creatorNelson, Brent D.
dc.date2003-08-05
dc.date.accessioned2026-07-07T12:26:27Z
dc.date.available2026-07-07T12:26:27Z
dc.descriptionWe provide a detailed study of the phenomenology of orbifold compactifications of the heterotic string within the context of supergravity effective theories. Our investigation focuses on those models where the soft Lagrangian is dominated by loop contributions to the various soft supersymmetry breaking parameters. Such models typically predict non-universal soft masses and are thus significantly different from minimal supergravity and other universal models. We consider the pattern of masses that are governed by these soft terms and investigate the implications of certain indirect constraints on supersymmetric models, such as flavor-changing neutral currents, the anomalous magnetic moment of the muon and the density of thermal relic neutralinos. These string-motivated models show novel behavior that interpolates between the phenomenology of unified supergravity models and models dominated by the superconformal anomaly.
dc.description47 pages, 14 figures
dc.identifierhttps://arxiv.org/abs/hep-ph/0308047
dc.identifierhttp://arxiv.org/abs/hep-ph/0308047
dc.identifierEur.Phys.J.C47:481-505,2006
dc.identifierdoi:10.1140/epjc/s2006-02541-7
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/214888
dc.subjectHigh Energy Physics - Phenomenology
dc.titlePhenomenological Aspects of Heterotic Orbifold Models at One Loop
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