Directional detection is a promising direct Dark Matter (DM) search strategy. The angular distribution of the nuclear recoil tracks from WIMP events should present an anisotropy in galactic coordinates. This strategy requires both a measurement of the recoil energy with a threshold of about 5 keV and 3D recoil tracks down to few millimeters. The MIMAC project, based on a \textmu-TPC matrix, with CF4 and CHF3, is being developed. In June 2012, a bi-chamber prototype was installed at the LSM (Laboratoire Souterrain de Modane). A preliminary analysis of the first four months data taking allowed, for the first time, the observation of recoils from the 222Rn progeny.
@article{arxiv.1306.4173,
title = {Dark Matter directional detection with MIMAC},
author = {Q. Riffard and J. Billard and G. Bosson and O. Bourrion and O. Guillaudin and J. Lamblin and F. Mayet and J. -F. Muraz and J. -P. Richer and D. Santos and L. Lebreton and D. Maire and J. Busto and J. Brunner and D. Fouchez},
journal= {arXiv preprint arXiv:1306.4173},
year = {2013}
}
Comments
Proceedings of the 48th Rencontres de Moriond: Very High Energy Phenomena in the Universe, 9-16 March 2013, La Thuile, Italy