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T: Fachverband Teilchenphysik

T 81: Search for Dark Matter III

T 81.6: Vortrag

Donnerstag, 19. März 2026, 17:30–17:45, AM 00.014

Low Energy Excess Studies in the CRESST Experiment — •Judith Dohm for the CRESST collaboration — Eberhard-Karls-Universität Tübingen, 72076 Tübingen, Deutschland

The Cryogenic Rare Event Search with Superconducting Thermometers (CRESST) is a direct dark matter detection experiment located in the Laboratori Nazionali del Gran Sasso (LNGS) in Italy. CRESST operates cryogenic calorimeters equipped with Transition Edge Sensors (TES) operating in the millikelvin range. In the third phase (CRESST-III), energy thresholds of about 10eV have been reached, placing CRESST-III among the world-leading experiments in the search for sub-GeV dark matter. The experiment's sensitivity in the low mass region is currently limited by an unexplained rise of events below 200eV, the so-called low energy excess (LEE). The latest studies of the temporal behaviour and the energy spectrum of the LEE performed by CRESST will be presented in this talk.

Keywords: CRESST Experiment; Dark Matter; Low Energy Excess