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arxiv: 1902.07587 · v3 · pith:SVBS222Hnew · submitted 2019-02-20 · 🌌 astro-ph.IM · physics.ins-det

First results on sub-GeV spin-dependent dark matter interactions with ⁷Li

A.H. Abdelhameed , G. Angloher , P. Bauer , A. Bento , E. Bertoldo , C. Bucci , L. Canonica , A. D'Addabbo
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X. Defay S. Di Lorenzo A. Erb F. v. Feilitzsch N. Ferreiro Iachellini S. Fichtinger A. Fuss P. Gorla D. Hauff J. Jochum A. Kinast H. Kluck H. Kraus A. Langenk\"amper M. Mancuso V. Mokina E. Mondragon A. M\"unster M. Olmi T. Ortmann C. Pagliarone L. Pattavina F. Petricca W. Potzel F. Pr\"obst F. Reindl J. Rothe K. Sch\"affner J. Schieck V. Schipperges D. Schmiedmayer S. Sch\"onert C. Schwertner M. Stahlberg L. Stodolsky C. Strandhagen R. Strauss C. T\"urkoglu I. Usherov M. Willers V. Zema (The CRESST Collaboration) M. Chapellier A. Giuliani C. Nones D.V. Poda V.N. Shlegel M. Vel\'azquez A.S. Zolotarova
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classification 🌌 astro-ph.IM physics.ins-det
keywords darkmatterspin-dependentdetectorinteractionstargetabove-groundbackground
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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$_2$MoO$_4$ target crystal in an above-ground laboratory. Despite the high background environment, the detector sets competitive limits on spin-dependent interactions of dark matter particles with protons and neutrons for masses between 0.8 GeV/c$^2$ and 1.5 GeV/c$^2$.

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