Regensburg 2022 – wissenschaftliches Programm
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TT: Fachverband Tiefe Temperaturen
TT 17: Cryogenic Detectors and Cryotechnique
TT 17.1: Vortrag
Mittwoch, 7. September 2022, 09:30–09:45, H22
TES sensors design for the CRESST experiment — •Francesca Pucci1, Antonio Bento1,2, Anna Bertolini1, Lucia Canonica1, Nahuel Ferreiro Iachellini1,3, Abhiji Garai1, Dieter Hauff1, Athoy Nilima1, Michele Mancuso1, Federica Petricca1, Franz Proebst1, and Dominik Fuchs1 — 1Max-Planck-Institut für Physik, D-80805 München, Germany — 2LIBPhys-UC, Departamento de Fisica, Universidade de Coimbra, P3004 516 Coimbra, Portugal — 3Excellence Cluster Origins, D-85748 Garching, Germany
The CRESST experiment aims at the direct detection of sub-GeV dark matter particles via elastic scattering off nuclei in different target crystals at cryogenic temperatures. Each detector consists of an absorber crystal and a Transition Edge Sensors (TES), which measures the temperature variations caused by an energy deposition in the crystal. The TES are made of tungsten thin films and they are operated in the middle of their superconducting transition, at around 15 mK. These very sensitive detectors allow for a leading energy threshold worldwide. The studies on the TES sensor design and its development at the Max Planck Institute for Physics are presented.