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04.12.2017 10:13 Età: 8 days
Categoria: Appuntamenti

New results from CUORE - a sensitive new probe of lepton number violation in the 130Te system

Mercoledì 13 dicembre 2017, h. 11:00 - Aula "A. Rostagni" (Fisica)





Mercoledì 13 dicembre 2017, alle ore 11:00 in aula "A. Rostagni", il Dr. Antonio Branca del DFA e INFN Padova, terrà un seminario dal titolo:

New results from CUORE - a sensitive new probe of lepton number violation in the 130Te system

Abstract:

CUORE (Cryogenic Underground Observatory for Rare Events) is a ton-scale experiment whose main goal is the search for neutrino-less dou ble beta decay in 130Te with a segmented array of TeO2 thermal detectors operated at cryogenic temperatures. Its projected sensitivity to the Majorana effective mass touches the inverted ordering region for a light Majorana neutrino exchange model. After a construction and commissioning phase (that, given the scale and complexity of the setup and the peculiarity of its working conditions is an outstanding achievement by itself), the CUORE detector is finally operational and has been taking science data since the first months of 2017. With the first ~2 months worth of science data, we report the presently sector-leading limit on the 130Te decay rate in the neutrino-less channel. A detailed description of the detector, performance, analysis technique and physical implications of the result will be given, as well as an outlook on the potential of the detector in the search for rare events.