Journal
PHYSICS LETTERS B
Volume 779, Issue -, Pages 201-205Publisher
ELSEVIER
DOI: 10.1016/j.physletb.2018.01.071
Keywords
Two-Higgs-doublet model; Dark matter; Direct and indirect detection
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Two-Higgs-Doublet Model of Type-X in the large tan beta limit becomes leptophilic to allow a light pseudoscalar A and thus provides an explanation of the muon g - 2 anomaly. Introducing a singlet scalar dark matter Sin this context, one finds that two important dark matter properties, nucleonic scattering and self-annihilation, are featured separately by individual couplings of dark matter to the two Higgs doublets. While one of the two couplings is strongly constrained by direct detection experiments, the other remains free to be adjusted for the relic density mainly through the process SS -> AA. This leads to the 4 tau final states which can be probed by galactic gamma ray detections. (C) 2018 The Authors. Published by Elsevier B.V.
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