Measurement of the Neutrino Asymmetry Parameter B in Neutron Decay
M. Schumann, T. Soldner, M. Deissenroth, F. Glueck, J. Krempel, M., Kreuz, B. Maerkisch, D. Mund, A. Petoukhov, H. Abele
TL;DR
This paper reports a new measurement of the neutrino asymmetry parameter B in neutron decay, confirming Standard Model predictions and enabling more precise tests for potential new physics beyond current theories.
Contribution
It provides the most recent and precise measurement of the neutrino asymmetry parameter B in neutron decay, improving the accuracy of tests for new physics.
Findings
B=0.9802(50), consistent with Standard Model
Supports existing measurements and theories
Enables more sensitive searches for new physics
Abstract
A new measurement of the neutrino asymmetry parameter B in neutron decay, the angular correlation between neutron spin and anti-neutrino momentum, is presented. The result, B=0.9802(50), agrees with the Standard Model expectation and earlier measurements, and permits improved tests on ``new physics'' in neutron decay.
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