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

2011/01/14 by J. Billard, J Billard, F Mayet +5 · 1 citation
Materials Science · Physics and Astronomy · #Chemical and Physical Properties of Materials #Dark Matter and Cosmic Phenomena #Particle Detector Development and Performance #astro-ph.CO

paper · pdf · doi:10.1088/1742-6596/309/1/012015

published as J.Phys.Conf.Ser. 309 (2011) 012015 · 8 pages, 5 figures, Proc. of the fifth international symposium on large TPCs for low energy rare event detection, Paris, France, Dec. 2010. To appear in Journal of Physics

arxiv created 2011/01/14 · openalex publication_date 2011/08/10 · arxiv updated 2015/05/27 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/30

Abstract

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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