![]() ![]() ![]() This study provides a useful approach for determining the upper limit of the expected efficiency for typical PNGs and other compact neutron generators.īuilding on the successful experience in operating the DarkSide-50 detector, the DarkSide Collaboration is going to construct DarkSide-20k, a direct WIMP search detector using a two-phase Liquid Argon Time Projection Chamber (LArTPC) with an active (fiducial) mass of 23 t (20 t). The results show that the maximum yield of the PNG in the ideal conditions is about 6.4× 10 ⁶ neutrons per cycle. ![]() This calculation is performed by a simulation procedure including: (1) computation of the PNG potential/current for neutron generation based on new modifications (2) simulation of the deuterium ions acceleration into the target during a thermal cycle (3) simulation of the D-D fusion interaction using the Geant4 toolkit. Here, the maximum possible neutron yield of a PNG is calculated in which a widely-used pyroelectric crystal (i.e., LiTaO3 with a diameter of 3 cm and height of 1 cm) is applied. Enhancing the pyroelectric neutron generators (PNG) yield is one of the main goals pursued by most of the previously developed techniques/models. Pyroelectric crystals are heated/cooled to supply D-D/D-T fusion for the purpose of neutron generation. ![]()
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