Spin determination of states with stretched configurations in 16N and 32P via the (d, α) reaction at 52 MeV |
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Authors: | G. Mairle G.J. Wagner P. Grabmayr K.T. Knöpfle H. Riedesel K. Schindler V. Bechtold L. Friedrich P. Ziegler |
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Affiliation: | Max-Planck-Institut für Kernphysik, D-6900 Heidelberg, FRGermany;Kernforschungszentrum Karlsruhe, Institut für angewandte Kernphysik, D-7500 Karlsruhe, FRGermany |
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Abstract: | The reactions have been investigated at Ed = 52 MeV. Vector analyzing powers as large as are observed. They exhibit patterns characteristic for final spins I = |L?1|, L or L + 1 and provide spin determinations at least for states of unique L-transfer. Local, zero-range DWBA calculations assuming deuteron-cluster pick-up reproduce qualitatively the observed effects. The method has been tested for states of known spin, and then has been applied to determine spins of states with stretched coupling in 16N: Jπ = 3+(3.96 MeV), 4?(6.17 MeV) and in 32P: Jπ = 5+(4.75 MeV). There is strong evidence for further 5+ states in 32P at 6.43, 7.96, 8.09 and 8.54 MeV. |
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Keywords: | Nuclear reactions |
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