Exploring Low-Mass Dark Matter with CRESST

R. Strauss, G. Angloher, A. Bento, C. Bucci, L. Canonica, X. Defay, A. Erb, F. V. Feilitzsch, N. Ferreiro Iachellini, P. Gorla, A. Gütlein, D. Hauff, J. Jochum, M. Kiefer, H. Kluck, H. Kraus, J. C. Lanfranchi, J. Loebell, A. Münster, C. PagliaroneF. Petricca, W. Potzel, F. Pröbst, F. Reindl, K. Schäffner, J. Schieck, S. Schönert, W. Seidel, L. Stodolsky, C. Strandhagen, A. Tanzke, H. H. Trinh Thi, C. Türkoglu, M. Uffinger, A. Ulrich, I. Usherov, S. Wawoczny, M. Willers, M. Wüstrich, A. Zöller

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

The CRESST-II (Cryogenic Rare Event Search with Superconducting Thermometers) experiment, whose second phase has been successfully finished in summer 2015, aims at the direct detection of dark matter particles. The intrinsic radiopurity of CaWO4 crystals, the capability to reject recoil events from alpha-surface contamination, and the energy threshold were significantly improved compared to previous runs of the experiment. A moderate exposure of 29 kg-days acquired by one ∼ 250 g CaWO4 detector provides competitive limits on the spin-independent dark matter particle-nucleon cross section and probes a new region of parameter space for dark matter particle masses below 3 GeV/c2. The potential for low-mass dark matter particle search can be further exploited by a new detector design planned for CRESST-III. We describe the experimental strategy for the near future and give projections for the sensitivity.

Original languageEnglish
Pages (from-to)866-872
Number of pages7
JournalJournal of Low Temperature Physics
Volume184
Issue number3-4
DOIs
StatePublished - 1 Aug 2016
Externally publishedYes

Keywords

  • Cryogenic detector
  • Dark matter
  • Low-mass dark matter particles

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