Some model-independent phenomenological consequences of flexible brane worlds

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dc.creatorCembranos, J. A. R.
dc.creatorDobado, A.
dc.creatorMaroto, A. L.
dc.date2006-11-02
dc.date.accessioned2026-07-07T11:58:53Z
dc.date.available2026-07-07T11:58:53Z
dc.descriptionIn this work we will review the main properties of brane-world models with low tension. Starting from very general principles, it is possible to obtain an effective action for the relevant degrees of freedom at low energies (branons). Using the cross sections for high-energy processes involving branons, we set bounds on the different parameters appearing in these models. We also show that branons provide a WIMP candidate for dark matter in a natural way. We consider cosmological constraints on its thermal and non-thermal relic abundances. We derive direct detection limits and compare those limits with the preferred parameter region in the case in which the EGRET excess in the diffuse galactic gamma rays is due to dark matter annihilation. Finally we will discuss the constraints coming from the precision tests of the Standard Model and the muon anomalous magnetic moment.
dc.description10 pages, 6 figures. Contribution to the Proceedings of the Second International Conference on Quantum Theories and Renormalization Group in Gravity and Cosmology, IRGAC 2006, Barcelona, 11-15 July, 2006
dc.identifierhttps://arxiv.org/abs/hep-ph/0611024
dc.identifierhttp://arxiv.org/abs/hep-ph/0611024
dc.identifierJ.Phys.A40:6631-6640,2007
dc.identifierdoi:10.1088/1751-8113/40/25/S07
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/206379
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectAstrophysics
dc.titleSome model-independent phenomenological consequences of flexible brane worlds
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