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T: Fachverband Teilchenphysik
T 19: Search for Dark Matter I
T 19.1: Vortrag
Montag, 31. März 2025, 16:45–17:00, VG 4.102
The Direct search Experiment for Light Dark Matter (DELight): Overview and Perspectives — •Eleanor Fascione for the DELight collaboration — Heidelberg University
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 novel upcoming experiment will be presented, including preliminary background models and sensitivity projections.
Keywords: DELight; light dark matter; LDM; superfluid helium