MIMAC : A micro-tpc matrix for directional detection of dark matter
D. Santos (1), J. Billard (1), G. Bosson (1), J. L. Bouly (1), O., Bourrion (1), Ch. Fourel (1), C. Grignon (1), O. Guillaudin (1), F. Mayet, (1), J. P. Richer (1), A. Delbart (2), E. Ferrer (2), I. Giomataris (2), F., J. Iguaz (2), J. P. Mols (2), C. Golabek (3)
TL;DR
The MIMAC project develops a gaseous micro-TPC matrix for directional dark matter detection, enabling precise energy measurement and 3D track reconstruction of low-energy nuclear recoils to distinguish WIMP signals from background.
Contribution
It introduces a novel gaseous micro-TPC matrix capable of detailed 3D tracking and energy measurement for dark matter searches, advancing the detection capabilities for low-energy nuclear recoils.
Findings
Successful measurement of low-energy nuclear recoils (H, F)
Demonstrated 3D track reconstruction down to a few mm
Discussed the discovery potential in realistic scenarios
Abstract
Directional detection of non-baryonic Dark Matter is a promising search strategy for discriminating WIMP events from background. However, this strategy requires both a precise measurement of the energy down to a few keV and 3D reconstruction of tracks down to a few mm. To achieve this goal, the MIMAC project has been developed. It is based on a gaseous micro-TPC matrix, filled with CF4 and CHF3. The first results on low energy nuclear recoils (H, F) obtained with a low mono-energetic neutron field are presented. The discovery potential of this search strategy is discussed and illustrated by a realistic case accessible to MIMAC.
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