Spectral analysis of the gamma-ray background near the dwarf Milky Way satellite Segue 1: Improved limits on the cross section of neutralino dark matter annihilation
arXiv:1205.3620 · doi:10.1103/PhysRevD.86.063521
Abstract
The indirect detection of dark matter requires that dark matter annihilation products be discriminated from conventional astrophysical backgrounds. Here, we re-analyze GeV-band gamma-ray observations of the prominent Milky Way dwarf satellite galaxy Segue 1, for which the expected astrophysical background is minimal. We explicitly account for the angular extent of the conservatively expected gamma-ray signal and keep the uncertainty in the dark-matter profile external to the likelihood analysis of the gamma-ray data.
7 pages, 4 figures, 1 table, accepted to Physical Review D
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- TeV Dark Matter Searches in the Extragalactic Gamma-Ray Sky
- Prospect for dark matter signatures from dwarf galaxies by LHAASO
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