Publications associated with Dark matter

Dark-photon search using data from CRESST-II Phase 2

European Physical Journal C Springer 77 (2017) 299-

G Angloher, P Bauer, 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, M Mancuso, A Münster, C Pagliarone, F Petricca, W Potzel, F Pröbst, R Puig

Identifying the nature and origin of dark matter is one of the major challenges for modern astro and particle physics. Direct dark-matter searches aim at an observation of dark-matter particles interacting within detectors. The focus of several such searches is on interactions with nuclei as provided e.g. byWeakly Interacting Massive Particles. However, there is a variety of dark-matter candidates favoring interactions with electrons rather than with nuclei. One example are dark photons, i.e., long-lived vector particles with a kinetic mixing to standard-model photons. In this work we present constraints on this kinetic mixing based on data from CRESST-II Phase 2 corresponding to an exposure before cuts of 52 kg-days. These constraints improve the existing ones for dark-photon masses between 0.3 and 0.7 keV/c2.

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