Precision Measurements in Neutron Decay
Marc Schumann (for the PERKEO II collaboration)
TL;DR
This paper reports new high-precision measurements of angular correlation coefficients in polarized neutron decay, which are used to test the Standard Model and explore potential new physics.
Contribution
It provides the most precise measurements of neutron decay asymmetries to date, improving constraints on physics beyond the Standard Model.
Findings
Measured electron asymmetry coefficient A with high precision
Derived limits on new physics beyond the Standard Model
Enhanced understanding of neutron decay dynamics
Abstract
We present new precision measurements of angular correlation coefficients in polarized neutron decay. We have obtained values for the electron asymmetry coefficient A, the neutrino asymmetry coefficient B, and for the proton asymmetry coefficient C. In combination with other results, the new measurements are used to derive limits on "Physics beyond the Standard Model".
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Taxonomy
TopicsAtomic and Subatomic Physics Research · Particle physics theoretical and experimental studies · Neutrino Physics Research