Beta-decay asymmetry and nuclear magnetic moment of argon-35

Frank P. Calaprice, Eugene D. Commins, David A. Dobson

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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.

Original languageEnglish (US)
Pages (from-to)B1453-B1455
JournalPhysical Review
Volume137
Issue number6B
DOIs
StatePublished - Dec 1 1965

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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