Detection of Galactic Dark Matter by GLAST

2); (2) University Space Research Association; (3) Stanford Linear Accelerator Center); A. Moiseev (1; C. Chaput (3); D. Engovatov (3); E. Bloom (3); H. Arrighi (1); J. Norris (1); J. Ormes (1)

arxiv: astro-ph/9912139 · v1 · submitted 1999-12-07 · 🌌 astro-ph

Detection of Galactic Dark Matter by GLAST

A. Moiseev (1 , 2) , J. Ormes (1) , H. Arrighi (1) , E. Bloom (3) , C. Chaput (3) , S. Digel (1) , D. Engovatov (3)

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J. Norris (1) J. Silvis (1) ((1) NASA/GSFC (2) University Space Research Association (3) Stanford Linear Accelerator Center)

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keywords darkgamma-raymatterwillenergygalacticglastmodels

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The mysterious dark matter has been a subject of special interest to high energy physicists, astrophysicists and cosmologists for many years. According to theoretical models, it can make up a significant fraction of the mass of the Universe. One possible form of galactic dark matter, Weakly Interacting Massive Particles (WIMPs), could be detected by their annihilation into monoenergetic gamma-ray line(s). This paper will demonstrate that the Gamma-ray Large Area Space Telescope (GLAST), scheduled for launch in 2005 by NASA, will be capable of searching for these gamma-ray lines in the energy range from 20 GeV to ~500 GeV and will be sufficiently sensitive to test a number of models. The required instrument performance and its capability to reject backgrounds to the required levels are explicitly discussed.

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Detection of Galactic Dark Matter by GLAST

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