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    l-forbidden Gamow-Teller beta decay of Cu-57

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    PhysRevC.53.96.pdf (259.5Kb)
    Date
    1996
    Author
    Semon, D. R.
    Allen, MC
    Dejbakhsh, H.
    Gagliardi, Carl A.
    Hale, SE
    Jiang, J.
    Trache, L.
    Tribble, Robert E.
    Yennello, SJ
    Xu, HM
    Zhou, XG
    Brown, BA.
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    Abstract
    Absolute branching ratios for the beta decay of Cu-57 to excited states up to 3.3 MeV in Ni-57 have been determined, including the rho-forbidden Gamow-Teller transition to the first excited state in Ni-57. Four transitions to excited states at 0.768, 1.113, 2.443, and 3.007 MeV are observed in addition to the superallowed decay to the ground state of Ni-57. The, measured branching ratio to the ground state is 89.9 +/- 0.8% and the branching ratios to the four excited states are 0.94 +/- 0.09%, 8.6 +/- 0.6%, 0.17 +/- 0.03%, and 0.35 +/- 0.04%, respectively. In addition we have measured the Cu-57 half-life and find it to be 196.3 +/- 0.7 ms, which is in good agreement with the most recent measurement. B(GT) values have been extracted from the new results and are compared to shell model calculations.
    URI
    http://dx.doi.org/10.1103/PhysRevC.53.96
    http://hdl.handle.net/1969.1/126857
    Description
    Journals published by the American Physical Society can be found at http://publish.aps.org/
    Subject
    SD-SHELL NUCLEI
    MASS
    Physics
    Department
    Physics and Astronomy
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    • Faculty Publications
    Citation
    D. R. Semon, MC Allen, H. Dejbakhsh, Carl A. Gagliardi, SE Hale, J. Jiang, L. Trache, Robert E. Tribble, SJ Yennello, H. M. Xu, X. G. Zhou and B. A. Brown. Phys.Rev.C 53 96-105 1996. "Copyright (1996) by the American Physical Society."

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