Paper

First cryogenic tests on BINGO innovations

Scarpaci, J A, De Combarieu, M, Gotti, C, Pessina, G, Lefevre, M, Kobychev, V V, Ferri, F, Tretyak, V I, Augier, C, Billard, J, Baudin, D, Zarytskyy, M M, Zolotarova, A, Poda, D V, Juillard, A, Carniti, P, Gras, Ph, Giuliani, A, Mas, Ph, Benato, G, Danevich, F, Charrier, A, Khalife, H, Marnieros, S, Loaiza, P, Millot, J F, De Jesus, M, Gomez, H, Gascon, J, Mazzucato, E, Armatol, A, Chapellier, M, Nones, C, Dumoulin, L, Gros, M, Tellier, O

2022

Overview

Neutrinoless double-beta decay (\\(0\\nu2\\beta\\)) is a hypothetical rare nuclear transition. Its observation would provide an important insight about the nature of neutrinos (Dirac or Majorana particle) demonstrating that the lepton number is not conserved. BINGO (Bi-Isotope \\(0\\nu2\\beta\\) Next Generation Observatory) aims to set the technological grounds for future bolometric \\(0\\nu2\\beta\\) experiments. It is based on a dual heat-light readout, i.e. a main scintillating absorber embedding the double-beta decay isotope accompanied by a cryogenic light detector. BINGO will study two of the most promising isotopes: \\(^{100}\\)Mo embedded in Li\\(_2\\)MoO\\(_4\\) (LMO) crystals and \\(^{130}\\)Te embedded in TeO\\(_2\\). BINGO technology will reduce dramatically the background in the region of interest, thus boosting the discovery sensitivity of \\(0\\nu2\\beta\\). The proposed solutions will have a high impact on next-generation bolometric tonne-scale experiments, like CUPID. In this contribution, we present the results obtained during the first tests performed in the framework of BINGO R&D.

• Publisher: Cornell University Library, arXiv.org
• Subject: Beta decay / Bolometers / Embedding / Leptons / Neutrinos