In this work, we want to highlight the potential of lithium as a target for spin-dependent dark matter search in cryogenic experiments, with a special focus on the low-mass region of the parameter space. We operated a prototype detector module based on a Li 2MoO 4 target crystal in an above-ground laboratory. Despite the high background environment, the detector sets a competitive limit on spin-dependent interactions of dark matter particles with protons and neutrons for masses between 0.8GeV/c2 and 1.5GeV/c2.
Abdelhameed, A., Angloher, G., Bauer, P., Bento, A., Bertoldo, E., Bucci, C., et al. (2019). First results on sub-GeV spin-dependent dark matter interactions with 7 Li. THE EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS, 79(7) [10.1140/epjc/s10052-019-7126-4].
First results on sub-GeV spin-dependent dark matter interactions with 7 Li
Canonica L.;Pattavina L.;
2019
Abstract
In this work, we want to highlight the potential of lithium as a target for spin-dependent dark matter search in cryogenic experiments, with a special focus on the low-mass region of the parameter space. We operated a prototype detector module based on a Li 2MoO 4 target crystal in an above-ground laboratory. Despite the high background environment, the detector sets a competitive limit on spin-dependent interactions of dark matter particles with protons and neutrons for masses between 0.8GeV/c2 and 1.5GeV/c2.
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