期刊
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
卷 -, 期 8, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/1475-7516/2018/08/023
关键词
gamma ray theory; cosmic ray theory; dark matter theory
资金
- NSF CAREER [PHY-1250573]
- DOE Grant [DE-SC0010504]
- NSF Grant [PHY-1720282]
- U.S. Department of Energy (DOE) [DE-SC0010504] Funding Source: U.S. Department of Energy (DOE)
The DAMPE experiment has recently reported an electron spectrum that can be explained by dark matter annihilation into charged lepton pairs in a nearby dark matter clump. The accompanying bremsstrahlung may yield a gamma-ray excess with a known spectral shape that extends over an angular scale of O(10 degrees). We show that such an excess is not present in Fermi-LAT data.
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