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25 April 2024

» arxiv » 1612.7662

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Dark-Photon Search using Data from CRESST-II Phase 2
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 ; F. Reindl ; K. Schäffner ; J. Schieck ; S. Schönert ; W. Seidel ; L. Stodolsky ; C. Strandhagen ; R. Strauss ; A. Tanzke ; H.H. Trinh Thi ; C. Türkoǧlu ; M. Uffinger ; A. Ulrich ; I. Usherov ; S. Wawoczny ; M. Willers ; M. Wüstrich ; A. Zöller ;
Date:	22 Dec 2016
Abstract:	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. by Weakly 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/c$^2$.
Source:	arXiv, 1612.7662
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