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DTSTART;TZID=America/Los_Angeles:20170224T120000
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UID:138-1487937600-1487941200@inpa.lbl.gov
SUMMARY:Raul Hennings Yeomans (UCB)
DESCRIPTION:Recent progress on the next generation double beta decay experiment with low-temperature macro-calorimeters (CUPID)\nThe Cuore Upgrade with Particle IDentification\, or CUPID\, is a proposed next generation double-beta decay experiment that requires a low-threshold optical photon light detector. The use of a secondary bolometer as a light detector is being investigated since\, $\alpha$-particles (the main background of CUORE-0) could be tagged by comparing the heat and light signals for each event\, given that the two betas from a neutrinoless double beta event would produce both heat and light (Cherenkov light in the case of TeO$_2$) while $\alpha$ events would produce only heat in the absorber. A baseline resolution of at least 20~eV is required in order to achieve a rejection factor of 99.9\% of the $\alpha$ background. I will review latest progress on CUPID\, particularly the development of low-Tc superconducting Transition Edge Sensor technology.
URL:https://inpa.lbl.gov/event/raul-hennings-yeomans-ucb/
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