Measurement of the Neutrino Asymmetry Parameter B in Neutron Decay

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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.
4 pages, 2 figures; v2: revised PRL version

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High Energy Physics - Phenomenology

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http://salesiana.dossiersoluciones.com/handle/123456789/192933

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0706.3788
 http://arxiv.org/abs/0706.3788
 Phys.Rev.Lett.99:191803,2007
 doi:10.1103/PhysRevLett.99.191803

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arXiv