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3–21 nov. 2025
Institut Pascal
Fuseau horaire Europe/Paris

Overview of the future TESSERACT experiment at LSM

4 nov. 2025, 11:45
30m
Institut Pascal

Institut Pascal

Rue André Rivière 91400 Orsay

Orateur

Julien BILLARD (CNRS - IP2I)

Description

TESSERACT (Transition Edge Sensor with Sub-Ev Resolution and Cryogenic Targets) is a future Light Dark Matter experiment to be installed in the Laboratoire Souterrain de Modane. Several cryogenic targets will be used in order to be sensitive to different DM interactions, allowing to explore both Electronic Recoils Dark Matter (ERDM) and Nuclear Recoils Dark Matter (NRDM) in the sub-GeV range, down the keV scale. The three detector technologies are HeRALD, a superfluid Helium experiment, SPICE, using polar crystal, and Ge/Si bolometers. These detectors will be equipped with Transition Edge Sensor, cooled to 10 mK, with sub-eV thresholdsand background mitigation capabilities. In this talk, I will give a brief overview of the future TESSERACT experiment as well as its detector technologies with an emphasis on the Ge/Si technology.

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