Dortmund 2021 – scientific programme

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T: Fachverband Teilchenphysik

T 45: Searches for Dark Matter I

T 45.1: Talk

Tuesday, March 16, 2021, 16:00–16:15, Tt

Sub-GeV WIMP search with a SuperCDMS R&D device — •Alexander Zaytsev, Lea Burmeister, Hanno Meyer zu Theenhausen, Fatema Thasrawala, Matthew Willson, and Belina von Krosigk — Universität Hamburg, Institut für Experimentalphysik, Luruper Chaussee 149, 22761 Hamburg

The SuperCDMS experiment is an underground cryogenic direct dark matter search experiment with a potential to discover WIMPs or alternative light dark matter candidates. During the SuperCDMS R&D program, a surface run with a gram-scale silicon detector was performed. Offline optimal filter triggering applied to these data allowed for an extremely low analysis threshold of 9.2 eV, opening the possibility to probe new parameter space in the low-mass region. We present preliminary results for the dark matter nuclear recoil exclusion limit obtained with the data collected during this run.