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T: Fachverband Teilchenphysik

T 139: Neutrinos VI

T 139.1: Vortrag

Donnerstag, 23. März 2023, 17:30–17:45, POT/0051

Status of the NUCLEUS experiment — •Sebastian Dorer — Technische Universität Wien, Vienna, Austria

Coherent elastic neutrino nucleus scattering (CEvNS) is a well-predicted Standard Model process only recently observed for the first time. Its precise study could reveal non-standard neutrino properties and open a window to search for physics beyond the Standard Model.

NUCLEUS is a CEvNS experiment conceived for the detection of neutrinos from nuclear reactors with unprecedented precision at recoil energies below 100 eV. Thanks to the large cross-section of CEvNS, an extremely sensitive cryogenic target of 10g of CaWO4 and Al2O3 crystals is sufficient to provide a detectable neutrino interaction rate.

NUCLEUS will be installed between the two 4.25 GW reactor cores of the Chooz-B nuclear power plant in the French Ardennes, which provide an anti-neutrino flux of 1.7 × 10¹² ν/(s cm²). At present, the experiment is under construction. The commissioning of the full apparatus is scheduled for 2023, in preparation for the move to the reactor site. In this talk we will discuss the NUCLEUS goals and sensitivity, as well as present the recent activities and progresses of the experiment.