Gamow-Teller strength in [Formula Presented] charge exchange on [Formula Presented]

R. M. Sedlar, T. P. Gorringe, W. P. Alford, D. A. Beatty, J. Campbell, H. T. Fortune, P. Hui, D. A. Hutcheon, R. B. Ivie, K. P. Jackson, A. G. Ling, Z. Mao, M. G. McKinzie, B. Siebels, D. A. Smith, P. Walden, S. Yen

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


Using the charge exchange facility and second arm spectrometer at TRIUMF, we have measured the [Formula Presented] double differential cross section for 198 MeV incident neutrons, at scattering angles of [Formula Presented] and excitation energies up to 30 MeV. Via a multipole decomposition analysis we have extracted both the Gamow-Teller strength distribution and the GT transition probabilities to low-lying [Formula Presented] bound states. Comparison to a shell model calculation, using the full [Formula Presented] space and universal SD interaction, shows reasonable agreement in the strength distribution, but reduced summed strength in the experiment [Formula Presented] for [Formula Presented] relative to the theory [Formula Presented] for [Formula Presented] We discuss the role of configuration mixing and Pauli blocking on the [Formula Presented] GT strength distribution.

Original languageEnglish
Pages (from-to)789-795
Number of pages7
JournalPhysical Review C - Nuclear Physics
Issue number2
StatePublished - 1999

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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