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SUMMARY:Probing the neutrino mass: latest results from KATRIN - Prof. Kath
 rin Valerius (Karlsruhe Institute of Technology)
DTSTART:20210504T150000Z
DTEND:20210504T160000Z
UID:TALK158545@talks.cam.ac.uk
CONTACT:William Fawcett
DESCRIPTION:Precision measurements of the kinematics of weak decays offer 
 a direct and nearly model independent approach to probe the absolute neutr
 ino mass scale. The KArlsruhe TRItium Neutrino experiment (KATRIN) is sear
 ching for the minute imprint of the neutrino mass in the endpoint region o
 f the tritium beta-decay spectrum. KATRIN employs a high-intensity gaseous
  molecular tritium source and a high-resolution electrostatic filter with 
 magnetic adiabatic collimation to target a neutrino-mass sensitivity of 0.
 2eV/c2\, thus improving on previous experiments by an order of magnitude\,
  after five years of data-taking.\n\nWith just its first science run\, KAT
 RIN has improved previous direct neutrino mass bounds by about a factor of
  two\, yielding a new upper limit of 1.1 eV/c2 (90% CL)\, and has begun to
  address further science channels such as the direct search for light ster
 ile neutrinos. As larger data sets are collected and further improvements 
 in terms of signal-to-background ratio and systematics are being achieved\
 , KATRIN is continuing along its path towards sub-eV neutrino mass sensiti
 vity and the exploration of interesting BSM physics cases. 
LOCATION:https://cern.zoom.us/j/61144924828?pwd=WDB6QmFCMEZiSEN5Q0k2aklWSj
 k5Zz09
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