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This Week at Physics

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Event Number 3617

  Tuesday, January 27th, 2015

NPAC (Nuclear/Particle/Astro/Cosmo) Forum
Faculty Candidate Seminar
One century of neutrino mass experiments: from radium salts to microwaves
Time: 4:00 pm
Place: 4274 Chamberlin Hall
Speaker: Benjamin Monreal, UCSB
Abstract: The neutrino mass is one of the longest-standing unanswered questions in physics. We've recently learned a tremendous amount about how the weak interaction mixes neutrino mass states together; we've learned that there are three different, and we've narrowed the ordering of these masses down to two; but we still haven't learned what the masses actually are. The KATRIN experiment, soon to start data taking, will use a huge electrostatic spectrometer to search for the signature of a massive neutrino in beta decay, but astrophysicists predict that the mass scale is too small for KATRIN to see. Project 8's microwave spectrometry technique may provide the next, crucial, factor of 10 in this search; I will present recent Project 8 data showing our single-electron detection, tracking, and spectroscopy capabilities.
Host: Dasu
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