Measurement of the neutrino asymmetry parameter B in neutron decay

M. Schumann; T. Soldner; M. Deissenroth; F. Glück; J. Krempel; M. Kreuz; B. Märkisch; D. Mund; A. Petoukhov; H. Abele

doi:10.1103/PhysRevLett.99.191803

Measurement of the neutrino asymmetry parameter B in neutron decay

M. Schumann, T. Soldner, M. Deissenroth, F. Glück, J. Krempel, M. Kreuz, B. Märkisch, D. Mund, A. Petoukhov, H. Abele

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54 Scopus citations

Abstract

A new measurement of the neutrino asymmetry parameter B in neutron decay, the angular correlation between neutron spin and antineutrino momentum, is presented. The result, B=0.9802(50), confirms earlier measurements but features considerably smaller corrections. It agrees with the standard model expectation and permits updated tests on "new physics" in neutron decay.

Original language	English
Article number	191803
Journal	Physical Review Letters
Volume	99
Issue number	19
DOIs	https://doi.org/10.1103/PhysRevLett.99.191803
State	Published - 8 Nov 2007
Externally published	Yes

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AU - Krempel, J.

AU - Kreuz, M.

AU - Märkisch, B.

AU - Mund, D.

AU - Petoukhov, A.

AU - Abele, H.

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AB - A new measurement of the neutrino asymmetry parameter B in neutron decay, the angular correlation between neutron spin and antineutrino momentum, is presented. The result, B=0.9802(50), confirms earlier measurements but features considerably smaller corrections. It agrees with the standard model expectation and permits updated tests on "new physics" in neutron decay.

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Measurement of the neutrino asymmetry parameter B in neutron decay

Abstract

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