Design optimization of MACHe3, a project of superfluid $^{3}$He detector for direct dark matter search - IN2P3 - Institut national de physique nucléaire et de physique des particules Access content directly
Journal Articles Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment Year : 2000

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.

Dates and versions

in2p3-00005539 , version 1 (07-11-2000)

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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, 2000, 455, pp.554-563. ⟨10.1016/S0168-9002(00)00540-4⟩. ⟨in2p3-00005539⟩
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