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

Heidelberg University
Institut Laue-Langevin
University of Karlsruhe
Wigner Research Centre for Physics

Research output: Contribution to journal › Article › peer-review

56 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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10.1103/PhysRevLett.99.191803

Cite this

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AU - Schumann, M.

AU - Soldner, T.

AU - Deissenroth, M.

AU - Glück, F.

AU - Krempel, J.

AU - Kreuz, M.

AU - Märkisch, B.

AU - Mund, D.

AU - Petoukhov, A.

AU - Abele, H.

PY - 2007/11/8

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N2 - 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.

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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DO - 10.1103/PhysRevLett.99.191803

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JO - Physical Review Letters

JF - Physical Review Letters

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Measurement of the neutrino asymmetry parameter B in neutron decay

Abstract

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