INFN-Fisica sperimentale delle particelle elementari

"First Results from CUORE: A Search for Lepton Number Violation via 0νββ Decay of 130Te”

by Claudia Tomei (ROMA1)

Aula Conversi (dipartimento di Fisica - Ed. G.Marconi)

Aula Conversi

dipartimento di Fisica - Ed. G.Marconi

The CUORE experiment (Cryogenic Underground Observatory for Rare Events), a ton-scale cryogenic bolometer array, recently began operation at the Laboratori Nazionali del Gran Sasso in Italy. CUORE searches for the neutrino-less double-beta decay of 130Te, whose observation would establish lepton number violation, indicate that neutrinos are Majorana particles, and possibly provide information on the absolute neutrino mass scale. CUORE uses a cryogenic array of 988 TeO2 bolometers, cooled down to 15 mK, to target the 0vbb candidate isotope 130Te. We present the CUORE first results, from a total TeO2 exposure of 86.3 kg·yr and we discuss the CUORE sensitivity and future prospects.
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