Explaining the GeV excess with exploding black holes

Journal Article · 12 September 2023 · Physics Letters. B

DOI: https://doi.org/10.1016/j.physletb.2023.138175 · OSTI ID:2259215

Picker, Zachary S. C.  ^[1]; Kusenko, Alexander ^[2]

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1. University of California, Los Angeles, CA (United States)
2. University of California, Los Angeles, CA (United States); University of Tokyo, Chiba (Japan)

Black holes may form in present-day collapse of microscopic structures of dark matter. We show that, if microstructure black holes (MSBH) with mass m ~ 10¹³ g are produced, the spectrum of gamma rays from their evaporation agrees remarkably well with the GeV excess observed by Fermi Gamma-ray Space Telescope, while still avoiding all observational constraints. We also discuss the generic requirements for MSBHs to explain the GeV excess.

• Research Organization: Univ. of California, Los Angeles, CA (United States)
• Sponsoring Organization: USDOE Office of Science (SC), High Energy Physics (HEP)
• Grant/Contract Number: SC0009937
• OSTI ID: 2259215
• Journal Information: Physics Letters. B, Vol. 845; ISSN 0370-2693
• Publisher: ElsevierCopyright Statement
• Country of Publication: United States
• Language: English