Publications associated with Dark matter


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

Physical review letters 117 (2016) 021303-

G Angloher, A Bento, C Bucci, L Canonica, X Defay, A Erb, FV Feilitzsch, N Ferreiro Iachellini, P Gorla, A Gütlein, D Hauff, J Jochum, M Kiefer, H Kluck, H Kraus, JC Lanfranchi, J Loebell, A Münster, C Pagliarone, F Petricca, W Potzel, F Pröbst, F Reindl, K Schäffner, J Schieck, S Schönert, W Seidel, L Stodolsky, C Strandhagen, R Strauss, A Tanzke, HH Trinh Thi, C Türkoğlu, M Uffinger, A Ulrich, I Usherov, S Wawoczny, M Willers, M Wüstrich, A Zöller

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/c^{2}), operators which carry additional powers of the momentum transfer q^{2} 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/c^{2} and a cross section of 10^{-37}  cm^{2}. Recent data from the CRESST-II experiment, which uses cryogenic detectors based on CaWO_{4} 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.


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