Beta-Decay Asymmetry and Nuclear Magnetic Moment of Argon-35

Frank P. Calaprice, Eugene D. Commins, and David A. Dobson
Phys. Rev. 137, B1453 – Published 22 March 1965
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Abstract

The asymmetry in beta emission from polarized Ar35 nuclei and the nuclear magnetic moment of Ar35 have been determined by an atomic-beam method used previously for similar measurements on Ne19. The results are: for the asymmetry parameter, A=+0.16±0.04; and for the nuclear moment, μ=+0.632±0.002 nm. The experimental value of A is used to obtain the Gamow-Teller beta-decay matrix element: σ=0.10±0.05. This result is consistent with the measured ft value and electron-neutrino angular correlation coefficient in the decay of Ar35. The results are also consistent with a rotational model of Ar35 using a deformation parameter close to that of Cl35.

  • Received 16 September 1964

DOI:https://doi.org/10.1103/PhysRev.137.B1453

©1965 American Physical Society

Authors & Affiliations

Frank P. Calaprice and Eugene D. Commins*

  • Physics Department, University of California, Berkeley, California

David A. Dobson

  • Lawrence Radiation Laboratory, University of California, Livermore, California

  • *Alfred P. Sloan Fellow.

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Issue

Vol. 137, Iss. 6B — March 1965

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