Beta-Decay Asymmetry of the Neutron and <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mfrac><mrow><mrow><msub><mrow><mi>g</mi></mrow><mrow><mi>A</mi></mrow></msub></mrow></mrow><mrow><mrow><msub><mrow><mi>g</mi></mrow><mrow><mi>V</mi></mrow></msub></mrow></mrow></mfrac></math></span>

P. Bopp; D. Dubbers; L. Hornig; E. Klemt; J. Last; H. Schütze; S. J. Freedman; O. Schärpf

doi:10.1103/PhysRevLett.56.919

Beta-Decay Asymmetry of the Neutron and $\frac{g_{A}}{g_{V}}$

P. Bopp, D. Dubbers, L. Hornig, E. Klemt, J. Last, H. Schütze, S. J. Freedman, and O. Schärpf

Phys. Rev. Lett. 56, 919 – Published 3 March 1986; Erratum Phys. Rev. Lett. 57, 1192 (1986)

Abstract

The $β$ -decay asymmetry of the free neutron is measured by use of a beam of polarized neutrons and a long solenoidal $β$ spectrometer with $4 π$ solid angle for electron detection. The asymmetry parameter corrected for recoil and weak magnetism is $A_{0} = - 0.1146 \pm 0.0019$ , implying $\frac{g_{A}}{g_{V}} = - 1.262 \pm 0.005$ for the ratio of the axial-vector to the vector weak-coupling constants.

Received 20 December 1985

DOI:https://doi.org/10.1103/PhysRevLett.56.919

Erratum

Beta-Decay Asymmetry of the Neutron and $\frac{g_{A}}{g_{V}}$

P. Bopp, D. Dubbers, L. Hornig, E. Klemt, J. Last, H. Schütze, S. J. Freedman, and O. Shärpf

Phys. Rev. Lett. 57, 1192 (1986)

Authors & Affiliations

P. Bopp^*, D. Dubbers^†, L. Hornig, E. Klemt, J. Last, and H. Schütze^‡

Physikalisches Institut der Universität, D-6900 Heidelberg, Federal Republic of Germany

S. J. Freedman

Argonne National Laboratory, Argonne, Illinois 60439

O. Schärpf

Institut Laue-Langevin, F-38042 Grenoble Cedex, France

^*Present address: Physikalisches Institut der Universität, D-7800 Freiburg, Federal Republic of Germany.
^†Present address: Institut Laue-Langevin, F-38042 Grenoble Cedex, France.
^‡Present address: Gesellschaft für Schwerionenforschung, D-6100 Darmstadt, Federal Republic of Germany.

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Vol. 56, Iss. 9 — 3 March 1986

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Physical Review Letters

Beta-Decay Asymmetry of the Neutron and gAgV

P. Bopp, D. Dubbers, L. Hornig, E. Klemt, J. Last, H. Schütze, S. J. Freedman, and O. Schärpf

Phys. Rev. Lett. 56, 919 – Published 3 March 1986; Erratum Phys. Rev. Lett. 57, 1192 (1986)

Abstract

Erratum

Beta-Decay Asymmetry of the Neutron and gAgV

P. Bopp, D. Dubbers, L. Hornig, E. Klemt, J. Last, H. Schütze, S. J. Freedman, and O. Shärpf

Phys. Rev. Lett. 57, 1192 (1986)

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Beta-Decay Asymmetry of the Neutron and $\frac{g_{A}}{g_{V}}$

Beta-Decay Asymmetry of the Neutron and $\frac{g_{A}}{g_{V}}$