Signatures of Spherical Compactification at the LHC

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dc.creatorDavoudiasl, Hooman
dc.creatorRizzo, Thomas G.
dc.date2007-02-07
dc.date2007-03-30
dc.date.accessioned2026-07-07T11:22:37Z
dc.date.available2026-07-07T11:22:37Z
dc.descriptionTeV-scale extra dimensions may play an important role in electroweak or supersymmetry breaking. We examine the phenomenology of such dimensions, compactified on a sphere $S^n$, $n \geq 2$, and show that they possess distinct features and signatures. For example, unlike flat toroidal manifolds, spheres do not trivially allow fermion massless modes. Acceptable phenomenology then generically leads to "non-universal" extra dimensions with "pole-localized" 4-$d$ fermions; the bosonic fields can be in the bulk. Due to spherical symmetry, some Kaluza-Klein (KK) modes of bulk gauge fields are either stable or extremely long-lived, depending on the graviton KK spectrum. Using precision electroweak data, we constrain the lightest gauge field KK modes to lie above $\simeq 4$ TeV. We show that some of these KK resonances are within the reach of the LHC in several different production channels. The models we study can be uniquely identified by their collider signatures.
dc.description21 pages, 5 figs
dc.identifierhttps://arxiv.org/abs/hep-ph/0702078
dc.identifierhttp://arxiv.org/abs/hep-ph/0702078
dc.identifierPhys.Rev.D76:055009,2007
dc.identifierdoi:10.1103/PhysRevD.76.055009
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/194628
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectHigh Energy Physics - Experiment
dc.subjectHigh Energy Physics - Theory
dc.titleSignatures of Spherical Compactification at the LHC
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