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VERSION:2.0
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PRODID:UW-Madison-Physics-Events
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SEQUENCE:0
UID:UW-Physics-Event-3632
DTSTART:20150218T143000Z
DTEND:20150218T153000Z
DTSTAMP:20260419T142322Z
LAST-MODIFIED:20150217T230238Z
LOCATION:4274 Chamberlin Hall
SUMMARY:Measuring the Neutrino Mass with Tritium Beta Decays\, NPAC (N
 uclear/Particle/Astro/Cosmo) Forum\, Noah Oblath\, MIT
DESCRIPTION:Neutrinos are the most common matter particles in the univ
 erse\, and yet many fundamental questions about them remain unanswered
 . They are a crit- ical part of our understanding of everything from c
 osmology and astrophysics to nuclear reactors and particle accelerator
 s. The absolute neutrino mass scale is one of those unanswered questio
 ns\, and the most sensitive direct measure- ments of it are made by tr
 itium beta-decay experiments. I will discuss two such experiments: the
  Karlsruhe Tritium Neutrino Experiment (KATRIN)\, and Project 8. The K
 ATRIN experiment will use a large electromagnetic spectrometer to impr
 ove the sensitivity to the neutrino mass scale by an order of magnitud
 e over the previous generation of tritium beta-decay experiments. The 
 Project 8 experiment will allow us to further improve the sensitivity 
 to the neutrino mass using a novel technique: measuring the frequency 
 of the cyclotron radiation emitted by beta-decay electrons as they tra
 vel in a mag- netic field. I will describe these experimental efforts\
 , including recent results from Project 8\, and discuss how\, over the
  next several years\, they will both contribute to our knowledge of th
 e properties of neutrinos and their role in the universe.
URL:https://www.physics.wisc.edu/events/?id=3632
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