Limits on Dark Matter Effective Field Theory Parameters with CRESST-II
G. Angloher, P. Bauer, A. Bento, E. Bertoldo, C. Bucci, L. Canonica,, A. D'Addabbo, X. Defay, S. Di Lorenzo, A. Erb, F. v. Feilitzsch, N. Ferreiro, Iachellini, P. Gorla, D. Hauff, J. Jochum, M. Kiefer, H. Kluck, H. Kraus, A., Langenk\"amper, M. Mancuso, V. Mokina, E. Mondragon
TL;DR
This paper re-analyzes CRESST-II dark matter data using a comprehensive effective field theory framework, setting new limits on interaction parameters especially for low-mass dark matter particles.
Contribution
It introduces a novel EFT-based analysis of CRESST-II data, extending beyond standard interaction models to constrain a broader set of dark matter couplings.
Findings
Improved exclusion limits on EFT coupling constants for dark matter masses below 4 GeV.
Demonstrates the effectiveness of EFT framework in direct detection data analysis.
Provides constraints that surpass previous bounds in the low-mass dark matter region.
Abstract
CRESST is a direct dark matter search experiment, aiming for an observation of nuclear recoils induced by the interaction of dark matter particles with cryogenic scintillating calcium tungstate crystals. Instead of confining ourselves to standard spin-independent and spin-dependent searches, we re-analyze data from CRESST-II using a more general effective field theory (EFT) framework. On many of the EFT coupling constants, improved exclusion limits in the low-mass region (< 3-4 GeV) are presented.
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