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arxiv: 2207.09375 · v2 · pith:XOOQDRFHnew · submitted 2022-07-19 · 🌌 astro-ph.CO

Latest observations on the low energy excess in CRESST-III

G. Angloher , S. Banik , G. Benato , A. Bento , A. Bertolini , R. Breier , C. Bucci , L. Canonica
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A. D'Addabbo S. Di Lorenzo L. Einfalt A. Erb F. v. Feilitzsch N. Ferreiro Iachellini S. Fichtinger D. Fuchs A. Fuss A. Garai V.M. Ghete S. Gerster P. Gorla P.V. Guillaumon S. Gupta D. Hauff M. Je\v{s}kovsk\'y J. Jochum M. Kaznacheeva A. Kinast H. Kluck H. Kraus A. Langenk\"amper M. Mancuso L. Marini L. Meyer V. Mokina A. Nilima M. Olmi T. Ortmann C. Pagliarone L. Pattavina F. Petricca W. Potzel P. Povinec F. Pr\"obst F. Pucci F. Reindl J. Rothe K. Sch\"affner J. Schieck D. Schmiedmayer S. Sch\"onert C. Schwertner M. Stahlberg L. Stodolsky C. Strandhagen R. Strauss I. Usherov F. Wagner M. Willers V. Zema
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classification 🌌 astro-ph.CO
keywords excesscresst-iiienergyobservationsbackgroundsbulkcampaigncomparison
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The CRESST experiment observes an unexplained excess of events at low energies. In the current CRESST-III data-taking campaign we are operating detector modules with different designs to narrow down the possible explanations. In this work, we show first observations of the ongoing measurement, focusing on the comparison of time, energy and temperature dependence of the excess in several detectors. These exclude dark matter, radioactive backgrounds and intrinsic sources related to the crystal bulk as a major contribution.

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