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MIMAC: A large micro-tpc for directional non-baryonic dark matter search (15'+5')
A Micro-tpc MAtrix of Chambers of 3He and 19F is proposed as a directional
detector
for non-baryonic dark matter search. The purpose is to exploit the axial
interaction
of WIMPs with neutron (3He) and proton (19F) with a electron-recoil
discrimination by
the dual track-ionization detection. The complementary aspect of this axial
detection
with respect to the scalar one will be illustrated. In order to read-out the
pixelized anode a dedicated electronics has been developped. The response of
the
first prototype of one of the micro-tpc chamber as well as the first measurement
of
ionization quenching factor in 4He at low energies (1 to 50 keV) will be
presented.
IDM2008 - Identification of Dark Matter 2008
Direct detection - experiments
Daniel
Santos
daniel.santos@lpsc.in2p3.fr
Daniel
Santos
daniel.santos@lpsc.in2p3.fr
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