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SUMMARY:The search for neutrinoless positron emitting electron capture of 
 120Te with CUORE
DTSTART;VALUE=DATE-TIME:20210830T171500Z
DTEND;VALUE=DATE-TIME:20210830T173000Z
DTSTAMP;VALUE=DATE-TIME:20260411T135752Z
UID:indico-contribution-15699@indico.ific.uv.es
DESCRIPTION:Speakers: Alice Campani (Università degli studi di Genova)\nA
  novel algorithm for a Bayesian analysis of multi-site rare events\nCUORE 
 (Cryogenic Underground Observatory for Rare Events) is a ton-scale experim
 ent located at the LNGS with the main scientific goal of searching for neu
 trinoless double beta decay in $^{130}$Te. The detector consists of $\\mat
 hrm{TeO}_2$ crystals operated as cryogenic calorimeters. The use of natura
 l tellurium allows us to search for other isotopes rare decays. The neutri
 noless positron emitting electron capture of $^{120}$Te (natural abundance
  0.09(1)%) has a clear signature from the 511-keV annihilation $\\gamma$ r
 ays. We present an analysis of this process based on a new algorithm to pe
 rform the simultaneous spectral fit over five selected decay scenarios. Ea
 ch scenario is characterized by a set of crystals simultaneously intereste
 d by a detectable energy release. We describe the background structure mod
 eling and tests of linearity we performed on the fit algorithm. We present
  the limit setting sensitivity and preliminary unblinded results of this a
 nalysis\, accounting for the most important systematic effects.\n\nhttps:/
 /indico.ific.uv.es/event/6178/contributions/15699/
LOCATION:
URL:https://indico.ific.uv.es/event/6178/contributions/15699/
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