MIMAC-He3 : MIcro-tpc MAtrix of Chambers of He3

Details MIMAC-He3 : MIcro-tpc MAtrix of Chambers of He3 MIMAC-He3 : MIcro-tpc MAtrix of Chambers of He3

2007-01-09

arxiv.org/abs/astro-ph/0701230v1

6th International Workshop on the Identification of Dark Matter, Gr\`{e}ce (11/09/2006)

Astronomy and Astrophysics

Astrophysics

Scientific paper

The project of a micro-TPC matrix of chambers of He3 for direct detection of non-baryonic dark matter is outlined. The privileged properties of He3 are highlighted. The double detection (ionization - projection of tracks) will assure the electron-recoil discrimination. The complementarity of MIMAC-He3 for supersymmetric dark matter search with respect to other experiments is illustrated. The modular character of the detector allows to have different gases to get A-dependence. The pressure degreee of freedom gives the possibility to work at high and low pressure. The low pressure regime gives the possibility to get the directionality of the tracks. The first measurements of ionization at very few keVs for He3 in He4 gas are described.

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