Limits on Momentum-Dependent Asymmetric Dark Matter with CRESST-II

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. Pagliarone, F. PetriccaW. Potzel, F. Pröbst, 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

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11 Scopus citations

Abstract

The usual assumption in direct dark matter searches is to consider only the spin-dependent or spin-independent scattering of dark matter particles. However, especially in models with light dark matter particles O(GeV/c2), operators which carry additional powers of the momentum transfer q2 can become dominant. One such model based on asymmetric dark matter has been invoked to overcome discrepancies in helioseismology and an indication was found for a particle with a preferred mass of 3 GeV/c2 and a cross section of 10-37 cm2. Recent data from the CRESST-II experiment, which uses cryogenic detectors based on CaWO4 to search for nuclear recoils induced by dark matter particles, are used to constrain these momentum-dependent models. The low energy threshold of 307 eV for nuclear recoils of the detector used, allows us to rule out the proposed best fit value above.

Original languageEnglish
Article number021303
JournalPhysical Review Letters
Volume117
Issue number2
DOIs
StatePublished - 8 Jul 2016
Externally publishedYes

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