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SUMMARY:Update on the HOLMES experiment to directly measure the neutrino m
 ass
DTSTART;VALUE=DATE-TIME:20200225T134000Z
DTEND;VALUE=DATE-TIME:20200225T140000Z
DTSTAMP;VALUE=DATE-TIME:20260813T160026Z
UID:indico-contribution-1466@indico.tlabs.ac.za
DESCRIPTION:Speakers: Marco Faverzani ()\nThe absolute neutrino mass is st
 ill a missing parameter in the modern landscape of particle physics. The H
 OLMES experiment aims at exploiting the calorimetric approach to directly 
 measure the neutrino mass through the kinematic measurement of the decay p
 roducts of the weakly-mediated decay of 163Ho. This low energy decaying is
 otope\, in fact\, undergoes electron capture emitting a neutrino and leavi
 ng its daughter nucleus\, 163Dy*\, in an atomic excited state. This\, in t
 urn\, relaxes by emitting electrons and\, to a considerably lesser extent\
 , photons. The high energy portion of the calorimetric spectrum of this de
 cay is affected by the non-vanishing neutrino mass value. Given the small 
 fraction of events falling in the region of interest\, to achieve a high e
 xperimental sensitivity on the neutrino mass it is important to have a hig
 h activity combined with a very small undetected pile-up contribution. To 
 achieve these targets\, the final configuration of HOLMES foresees the dep
 loyment of a large number of 163Ho ion-implanted TESs characterized by an 
 ambitiously high activity of 300 Hz each. This contribution will provide a
 n overview on the status of the major tasks that will bring HOLMES to achi
 eve a statistical sensitivity on the neutrino mass as low as 2 eV: from th
 e isotope production and embedding to the detector production and readout.
 \n\nhttps://indico.tlabs.ac.za/event/85/contributions/1466/
LOCATION:Parallel Venue
URL:https://indico.tlabs.ac.za/event/85/contributions/1466/
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