Searching for light from a dark matter clump

被引：7

作者：

Ghosh, Tathagata ^{[1
]}

Kumar, Jason ^{[1
]}

Marfatia, Danny ^{[1
]}

Sandick, Pearl ^{[2
]}

机构：

[1] Univ Hawaii, Dept Phys & Astron, 2505 Correa Rd,Watanabe 416, Honolulu, HI 96822 USA

[2] Univ Utah, Dept Phys & Astron, 201 James Fletcher Bldg,115 South 1400 East, Salt Lake City, UT 84112 USA

来源：

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS | 2018年 / 08期

关键词：

gamma ray theory; cosmic ray theory; dark matter theory;

D O I：

10.1088/1475-7516/2018/08/023

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

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.

引用

页数：10

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