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

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

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 provide...

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Bibliographic Details
Main Authors: Angloher, G, Bauer, P, Bento, A, Bucci, C, Canonica, L, Defay, X, Erb, A, v. Feilitzsch, F, Ferreiro Iachellini, N, Gorla, P, Gütlein, A, Hauff, D, Jochum, J, Kiefer, M, Kluck, H, Kraus, H, Lanfranchi, J, Loebell, J, Mancuso, M, Münster, A, Pagliarone, C, Petricca, F, Potzel, W, Pröbst, F, Puig, R, Reindl, F, Schäffner, K, Schieck, J, Schönert, S, Seidel, W, Stodolsky, L, Strandhagen, C, Strauss, R, Tanzke, A, Tranh Thi, H, Türkoǧlu, C, Uffinger, M, Ulrich, A, Usherov, I, Wawoczny, S, Willers, M, Wüstrich, M, Zöller, A
Format: Journal article
Published: Springer 2017
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Summary: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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