Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2010-11-10
JCAP 1101:004,2011
Physics
High Energy Physics
High Energy Physics - Phenomenology
19 pages, 4 figures, 2 tables
Scientific paper
10.1088/1475-7516/2011/01/004
Using an effective interaction approach to describe the interactions between the dark matter particle and the light degrees of freedom of the standard model, we calculate the antiproton flux due to the annihilation of the dark matter in the Galactic Halo and compare to the most recent antiproton spectrum of the PAMELA experiment. We obtain useful constraints on the size of the effective interactions that are comparable to those deduced from collider and gamma-ray experiments.
Cheung Kingman
Tseng Po-Yan
Yuan Tzu-Chiang
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