Search for Neutrinoless Double Beta Decay with One Tonne-Year of CUORE Data

by Karsten Heeger (Yale University)

Thursday 20 May 2021, 15:00 → 16:00 US/Eastern

The Cryogenic Underground Observatory for Rare Events (CUORE) is the largest, coldest solid-state detector operating below 100mK in the world designed to search for neutrinoless double beta decay (0νββ) and other rare events. The detector, located at Gran Sasso National Laboratory in Italy, consists of an array of 988 TeO2 crystals arranged in a compact structure of 19 towers operating at a base temperature of about 10 mK. CUORE began data taking in 2017 and recently released its latest result in the search for 0νββ with one tonne-year exposure in 130Te. This is the largest amount of data ever acquired with a solid-state detector and the most sensitive measurement of 0νββ decay in 130Te. We find no evidence of 0νββ decay and set a lower bound of 2.2 ×10^25 yr at a 90% credibility interval on the 130Te half-life for this process. In this talk, we present the current status of the CUORE and the results of the first tonne-year exposure search for 0νββ in 130Te.


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Topic: BNL Particle Physics Seminar May 20
Time: May 20, 2021 03:00 PM Eastern Time (US and Canada)

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