Coherent elastic neutrino-nucleus scattering (CEνNS) offers a unique way to study neutrino properties and to search for new physics beyond the Standard Model. The NUCLEUS experiment aims to measure CEνNS of reactor anti-neutrinos down to unprecedented low nuclear recoil energies. The novel gram-scale cryogenic detectors feature an ultra-low energy threshold of ≤20 eVnr and a rise time of a few 100 µs which allows the operation above ground. The fiducialization of the detectors provides an effective discrimination of ambient γ- and surface backgrounds. Furthermore, the use of multiple targets promises a high physics potential. The NUCLEUS experiment will be located at a new experimental site at the Chooz nuclear power plant in France, providing a high anti-neutrino flux of 1.7 · 1012 ν¯e/(s · cm2). The commissioning of the experimental setup with a comprehensive background measurement is planned for 2022.
Wagner, V., Angloher, G., Bento, A., Canonica, L., Cappella, F., Cardani, L., et al. (2022). Exploring CEνNS of reactor neutrinos with the NUCLEUS experiment. In 17th International Conference on Topics in Astroparticle and Underground Physics, TAUP 2021. Institute of Physics [10.1088/1742-6596/2156/1/012118].
Exploring CEνNS of reactor neutrinos with the NUCLEUS experiment
Canonica L.;Pattavina L.;
2022
Abstract
Coherent elastic neutrino-nucleus scattering (CEνNS) offers a unique way to study neutrino properties and to search for new physics beyond the Standard Model. The NUCLEUS experiment aims to measure CEνNS of reactor anti-neutrinos down to unprecedented low nuclear recoil energies. The novel gram-scale cryogenic detectors feature an ultra-low energy threshold of ≤20 eVnr and a rise time of a few 100 µs which allows the operation above ground. The fiducialization of the detectors provides an effective discrimination of ambient γ- and surface backgrounds. Furthermore, the use of multiple targets promises a high physics potential. The NUCLEUS experiment will be located at a new experimental site at the Chooz nuclear power plant in France, providing a high anti-neutrino flux of 1.7 · 1012 ν¯e/(s · cm2). The commissioning of the experimental setup with a comprehensive background measurement is planned for 2022.
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