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First detection of radon progeny recoil tracks by MIMAC

Abstract : The MIMAC experiment is a $\mu$-TPC matrix project for directional dark matter search. Directional detection is a strategy based on the measurement of the WIMP flux anisotropy due to the solar system motion with respect to the dark matter halo. The main purpose of MIMAC project is the measurement of the energy and the direction of nuclear recoils in 3D produced by elastic scattering of WIMPs. Since June 2012 a bi-chamber prototype is operating at the Modane underground laboratory. In this paper, we report the first ionization energy and 3D track observations of nuclear recoils produced by the radon progeny. This measurement shows the capability of the MIMAC detector and opens the possibility to explore the low energy recoil directionality signature.
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Submitted on : Tuesday, April 28, 2015 - 8:55:20 AM
Last modification on : Thursday, August 6, 2020 - 3:09:29 AM

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Q. Riffard, D. Santos, O. Guillaudin, G. Bosson, O. Bourrion, et al.. First detection of radon progeny recoil tracks by MIMAC. Journal of Instrumentation, IOP Publishing, 2017, 12 (06), pp.P06021. ⟨10.1088/1748-0221/12/06/P06021⟩. ⟨in2p3-01146231⟩



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