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Probing the scotogenic FIMP at the LHC

Hessler, Andre G.; Ibarra, Alejandro; Molinaro, Emiliano; Vogl, Stefan

We analyse the signatures at the Large Hadron Collider (LHC) of the scotogenic model, when the lightest Z2-odd particle is a singlet fermion and a feebly interacting massive particle (FIMP). We further assume that the singlet fermion constitutes the dark matter and that it is produced in the early Universe via the freeze-in mechanism. The small couplings required to reproduce the observed dark matter abundance translate into decay-lengths for the next-to-lightest Z2-odd particle which can be macroscopic, potentially leading to spectacular signatures at the LHC. We characterize the possible signals of the model according to the spectrum of the Z2-odd particles and we derive, for each of the cases, bounds on the parameters of the model from current searches.

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DOI: 10.5445/IR/1000065739
DOI: 10.1007/JHEP01(2017)100
Zitationen: 28
Web of Science
Zitationen: 30
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Kernphysik (IKP)
Publikationstyp Zeitschriftenaufsatz
Publikationsjahr 2017
Sprache Englisch
Identifikator ISSN: 1029-8479, 1126-6708
KITopen-ID: 1000065739
HGF-Programm 51.03.06 (POF III, LK 01)
Theoretische Astroteilchenphysik
Erschienen in Journal of high energy physics
Band 2017
Heft 1
Seiten 100
Bemerkung zur Veröffentlichung Gefördert durch SCOAP3
Schlagwörter Beyond Standard Model; Neutrino Physics
Nachgewiesen in Scopus
Web of Science
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