A comparison between the detection of gamma rays and positrons from neutralino annihilation

Details A comparison between the detection of gamma rays and positrons from neutralino annihilation A comparison between the detection of gamma rays and positrons from neutralino annihilation

2006-07-24

arxiv.org/abs/hep-ph/0607266v2

JCAP0612:003,2006

Physics

High Energy Physics

High Energy Physics - Phenomenology

18 pages, 6 figures, 1 reference added. Final version to appear in JCAP

Scientific paper

10.1088/1475-7516/2006/12/003

We study the indirect detection of neutralino dark matter using positrons and gamma rays from its annihilation in the galactic halo. Considering the HESS data as the spectrum constituting the gamma--ray background, we compare the prospects for the experiments GLAST and PAMELA in a general supergravity framework with non--universal scalar and gaugino masses. We show that with a boost factor of about 10, PAMELA will be competitive with GLAST for typical NFW cuspy profiles.

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