Results from Cuoricino Experiment and Prospects for Cuore

Details Results from Cuoricino Experiment and Prospects for Cuore Results from Cuoricino Experiment and Prospects for Cuore

Apr 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007apsp.conf.....p&link_type=abstract

ASTROPARTICLE, PARTICLE AND SPACE PHYSICS, DETECTORS AND MEDICAL PHYSICS APPLICATIONS . Proceedings of the 9th Conference . Held

Physics

Medical Physics

Scientific paper

Cuoricino is a taking data bolometric experiment searching for neutrinoless double beta decay (0νDBD) of 130Te. The detector consists of an array of large cubic TeO2 crystal bolometers. Cuoricino works at about 10 mK in the Gran Sasso Underground Laboratory. Good energy resolutions were obtained (2.1 keV at 911 keV and 3.9 keV at 2615 keV at best). The counting rate in the region of 0νDBD is 0.18±0.02 c/keV/kg/y. The limit for the 0νDBD half lifetime is 2.0 × 1024 years at the 90% of C.L. This results correspond to a limit for the effective neutrino mass between 0.2 and 1.0 eV, depending on the nuclear matrix elements used. A large international collaboration is working on CUORE project, a future experiment with a mass of 741 kg of TeO2 crystal bolometers. The experiment aims to probe the neutrino absolute mass down to 50 meV and to understand if the inverted hierarchy holds in the neutrino mass pattern.

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