# Beta decay with atom traps

John Behr, TRIUMF
Thursday, February 15, 2018 - 3:45pm to 4:45pm
NPL Conference Room, Rm 178

​We've recently measured a beta decay asymmetry with respect to the nuclear spin with the best fractional accuracy achieved in nuclei or the neutron. This increases the sensitivity of an unusual conserved vector current test in nuclei previously explored at our lab, and constrains standard model extensions that restore parity symmetry. I'll describe this and other future plans with TRIUMF's neutral atom trap experiment, including a measurement of the neutrino energy spectrum of the 0- to 0+ decay of a reactor fission product, a time-reversal violation test in radiative beta decay, and possible isospin mixing tests using the nuclear progeny asymmetry with respect to the initial spin.

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