Quantum 2025 – wissenschaftliches Programm
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MON: Monday Contributed Sessions
MON 10: Standard Model and Beyond
MON 10.5: Vortrag
Montag, 8. September 2025, 15:15–15:30, ZHG103
The Projected Sensitivity of the DELight Experiment — •Eleanor Fascione, Belina von Krosigk, and Francesco Toschi — Kirchhoff-Institute for Physics, Heidelberg University, Heidelberg, Germany
There is vast unexplored parameter space for dark matter masses below a few GeV, and the field of direct dark matter detection is constantly expanding to new frontiers. In particular, low mass dark matter candidates necessitate novel detector designs with lower thresholds and alternative target materials compared to e.g. the xenon-based experiments currently providing the strongest overall constraints on many dark matter models.
The Direct search Experiment for Light dark matter (DELight) will deploy a target of superfluid 4He instrumented with large area microcalorimeters (LAMCALs) based on magnetic microcalorimeter (MMC) technology in a setup optimized for low mass dark matter searches. In this talk an overview of this upcoming experiment will be presented, including preliminary background models and sensitivity projections.
Keywords: magnetic microcalorimeter; DELight collaboration; superfluid helium; dark matter; light dark matter