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NPAC (Nuclear/Particle/Astro/Cosmo) Forum
Neutron beta-decay with Ultra-Cold Neutrons
Date: Thursday, October 9th
Time: 4:00 pm
Place: 4274 Chamberlin
Speaker: Brad Filippone, Caltech
Abstract: Ultra-Cold Neutrons - UCN - (E < 350 neV) can be trapped in material bottles and with magnetic fields. The UCNA collaboration has recently measured the beta-decay electron distribution from polarized neutron decay for the first time using UCN. The use of UCN suppresses a variety of systematic experimental effects compared to previous experiments using cold neutron beams. This allows for precision measurements of some Standard Model electroweak observables as well as searches for new physics. Results from this new experiment will be discussed along with prospects for future measurements.
Host: Michael J Ramsey-Musolf
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