FI: COSMIC PHOTONS FROM MASS SPLITTING IN THE DARK SECTOR 
 ELENCO COMPLETO 

DATA: 09-05-2018

SEZIONE DI FIRENZE
Francesco D'Eramo (UniversitÓ di Padova) In this talk, I will present two dark matter frameworks where a mass splitting in the dark sector dramatically alters the expectations for indirect detection rates. In the first case, the presence of a quasi-degenerate metastable state, where the dark matter number is stored, allows for sub-GeV relics with large s-wave annihilation cross section and not excluded by CMB bounds. In the second case, dark matter particles inelastically up-scatter in the interstellar plasma to a quasi-degenerate heavier partner, whose subsequent decays generate X-ray lines with unique spectrum and morphology.


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