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Design optimization of MACHe3, a project of superfluid $^{3}$He detector for direct dark matter search

Abstract : MACHe3 (MAtrix of Cells of superfluid He3) is a project of a new detector for direct Dark Matter (DM) search. A cell of superfluid He3 has been developed and the idea of using a large number of such cells in a high granularity detector is proposed. This paper presents, after a brief description of the superfluid He3 cell, the simulation of the response of different matrix configurations allowing to define an optimum design as a function of the number of cells and the volume of each cell. The background rejection, for several configurations, is presented both for neutrons and gamma-rays of various kinetic energies.
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http://hal.in2p3.fr/in2p3-00005539
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Submitted on : Tuesday, November 7, 2000 - 11:17:00 AM
Last modification on : Thursday, November 19, 2020 - 12:58:27 PM

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F. Mayet, D. Santos, G. Perrin, Yu.M. Bunkov, H. Godfrin. Design optimization of MACHe3, a project of superfluid $^{3}$He detector for direct dark matter search. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Elsevier, 2000, 455, pp.554-563. ⟨in2p3-00005539⟩

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