Gamma Rays from Top-Mediated Dark Matter Annihilations
作者： Geraldine Servant , Geraldine Servant , Gabe Shaughnessy , Tim M.P. Tait , C.B. Jackson
DOI: 10.1088/1475-7516/2013/07/006
关键词:
摘要: Lines in the energy spectrum of gamma rays are a fascinating experimental signal, which often considered "smoking gun" evidence dark matter annihilation. The current generation ray observatories currently closing on parameter space great interest context is thermal relic. We consider theories matter's primary connection to Standard Model via top quark, realizing strong lines consistent with relic through forbidden channel mechanism proposed Higgs Space Model. realistic UV-completions and related theories, show that rich structure observable as well constraints from searches LHC. Particular attention paid one loop contributions continuum rays, can easily swamp line signals some cases, have been largely overlooked previous literature.
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