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A detection system to measure muon-induced neutrons for direct Dark Matter searches

Abstract : Muon-induced neutrons constitute a prominent background component in a number of low count rate experiments, namely direct searches for Dark Matter. In this work we describe a neutron detector to measure this background in an underground laboratory, the Laboratoire Souterrain de Modane. The system is based on 1 m3 of Gd-loaded scintillator and it is linked with the muon veto of the EDELWEISS-II experiment for coincident muon detection. The system was installed in autumn 2008 and passed since then a number of commissioning tests proving its full functionality. The data-taking is continuously ongoing and a count rate of the order of 1 muon-induced neutron per day has been achieved.
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Submitted on : Tuesday, January 11, 2022 - 11:21:13 AM
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V.Yu. Kozlov, E. Armengaud, C. Augier, Alain Benoit, L. Berge, et al.. A detection system to measure muon-induced neutrons for direct Dark Matter searches. Astroparticle Physics, Elsevier, 2010, 34 (2), pp.97-105. ⟨10.1016/j.astropartphys.2010.06.001⟩. ⟨in2p3-00493112⟩

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