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2007-06-26
Measurement of the Neutrino Asymmetry Parameter B in Neutron Decay
M. SchumannT. SoldnerM. DeissenrothF. GlueckJ. KrempelM. KreuzB. MaerkischD. MundA. PetoukhovH. Abele
文献摘要
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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