Directional detection of Dark Matter with MIMAC: WIMP identification and track reconstruction

Details Directional detection of Dark Matter with MIMAC: WIMP identification and track reconstruction Directional detection of Dark Matter with MIMAC: WIMP identification and track reconstruction

2011-01-14

arxiv.org/abs/1101.2750v1

J.Phys.Conf.Ser. 309 (2011) 012015

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

8 pages, 5 figures, Proc. of the fifth international symposium on large TPCs for low energy rare event detection, Paris, Franc

Scientific paper

Directional detection is a promising Dark Matter search strategy. Indeed, WIMP-induced recoils present a direction dependence toward the Cygnus constellation, while background-induced recoils exhibit an isotropic distribution in the galactic rest frame. Taking advantage on these characteristic features and even in the presence of a sizeable background, we show for the first time the possibility to constrain the WIMP properties, both from particle and galactic halo physics, leading to an identification of non-baryonic Dark Matter. However, such results need highly accurate track reconstruction which should be reachable by the MIMAC detector using a dedicated readout combined with a likelihood analysis of recoiling nuclei.

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