Kaluza-Klein FIMP dark matter in warped extra-dimensions

descriptionPublicationkeyboard_double_arrow_right Article , Other literature type , Preprint 01 Sep 2020Embargo end date: 01 Jan 2020 Spain English Publisher:Springer Science and Business Media LLCJournal:Journal of High Energy Physics, volume 2,020 (eissn: 1029-8479,

Copyright policy )Funded by:EC | ELUSIVES, EC | InvisiblesPlus

Authors: Nicolás Bernal; A. Donini; Miguel G. Folgado; Nuria Rius;

doi: 10.1007/jhep09(2020)142 , 10.60692/fz84c-rg775 , 10.48550/arxiv.2004.14403 , 10.60692/c20gw-mm337

arXiv: 2004.14403

handle: 10261/232762

Kaluza-Klein FIMP dark matter in warped extra-dimensions

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Abstract

Abstract We study for the first time the case in which Dark Matter (DM) is made of Feebly Interacting Massive Particles (FIMP) interacting just gravitationally with the standard model particles in an extra-dimensional Randall-Sundrum scenario. We assume that both the dark matter and the standard model are localized in the IR-brane and only interact via gravitational mediators, namely the graviton, the Kaluza-Klein gravitons and the radion. We found that in the early Universe DM could be generated via two main processes: the direct freeze-in and the sequential freeze-in. The regions where the observed DM relic abundance is produced are largely compatible with cosmological and collider bounds.

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Spain

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Keywords

Nuclear and High Energy Physics, Cosmology and Nongalactic Astrophysics (astro-ph.CO), Astronomy, FOS: Physical sciences, QC770-798, Astrophysics, Particle Dark Matter and Detection Methods, High Energy Physics - Phenomenology (hep-ph), Universe, Nuclear and particle physics. Atomic energy. Radioactivity, Dark energy, Dark matter, Dark Matter, Cosmological Parameters and Dark Energy, Particle Physics and High-Energy Collider Experiments, Dark fluid, Randall–Sundrum model, Physics, Particle physics, Astronomy and Astrophysics, Cosmology of Theories beyond the SM, Cosmology, High Energy Physics - Phenomenology, Graviton, Physics and Astronomy, Beyond Standard Model, Physical Sciences, Extra dimensions, Brane, Theoretical physics, Kaluza–Klein theory, Astrophysics - Cosmology and Nongalactic Astrophysics, Gravitation

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