PoS - Proceedings of Science
Volume 441 - XVIII International Conference on Topics in Astroparticle and Underground Physics (TAUP2023) - Neutrino Physics and Astrophysics
R&D status of the Selena Neutrino Experiment
A. Chavarria*, X. Ni  on behalf of the Selena Collaboration
Full text: pdf
Pre-published on: February 04, 2024
Published on: March 22, 2024
Imaging devices made from an ionization target layer of amorphous selenium (aSe) coupled to a silicon complementary metal-oxide-semiconductor (CMOS) active pixel array for charge readout are a promising technology for neutrino physics. The high spatial resolution in a solid-state target provides unparalleled rejection of backgrounds from natural radioactivity in the search for neutrinoless $\beta\beta$ decay and for solar neutrino spectroscopy with $^{82}$Se. We summarize the scientific reach of a large detector with the proposed technology, and present the current status of R&D, including results from the first CMOS sensors optimized for charge collection in aSe.
DOI: https://doi.org/10.22323/1.441.0163
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