Journal
PHYSICS LETTERS B
Volume 788, Issue -, Pages 530-534Publisher
ELSEVIER
DOI: 10.1016/j.physletb.2018.12.003
Keywords
Right-handed neutrino; Dark matter; Direct and indirect detection
Funding
- NRF - Korea government (MSIP) through KNRC at Seoul National University [2009-0083526]
- UFRN
- MEC
- ICTP-SAIFR FAPESP grant [2016/01343-7]
- AEI/ERDF, EU [FPA2014-53631-C2-1-P, FPA2017-84445-P, SEV-2014-0398]
- GV, ES [PROMETEO/2017/053]
- Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP) [16/01343-7] Funding Source: FAPESP
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Analyzing the neutrino Yukawa effect in the freeze-out process of a generic dark matter candidate with right-handed neutrino portal, we identify the parameter regions satisfying the observed dark matter relic density as well as the current Fermi-LAT and H.E.S.S. limits and the future CTA reach on gamma-ray signals. In this scenario the dark matter couples to the Higgs boson at one-loop level and thus could be detected by spin-independent nucleonic scattering for a reasonable range of the relevant parameters. (C) 2018 The Authors. Published by Elsevier B.V.
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