Virtual breakup effects in elastic scattering of polarized deuterons

Y. Iseri, H. Kameyama, M. Kamimura, Masanobu Yahiro, M. Tanifuji

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Abstract

Elastic scattering of polarized deuterons at Ed = 56 MeV is investigated for 16O, 40Ca, 58Ni, 118Sn and 208Pb target nuclei by the use of folding interactions. Effects of virtual breakup of the deuteron to S- and D-states in the continuum region are taken into account by the CDCC method and are found to make indispensable contributions to cross sections and analyzing powers, where continuum-continuum couplings are substantial. The contribution of the D-state admixture in the ground state is important for the tensor analyzing powers. The calculated results agree well with experimental data. The invariant-amplitude method and the second-order sum rule study clarify the characteristic feature of the spin dependence of the effective interactions due to the virtual breakup. The near-side/far-side decomposition of scattering amplitudes illuminates the difference of the reaction mechanism between light and heavy target nuclei. The investigation for the 208Pb target at Ed = 21.5 MeV gives important information on the energy dependence of the effective interactions. The use of different parameter sets for the input nucleon-target optical potentials shows that the detailed results depend significantly on the choice of the parameter sets.

Original languageEnglish
Pages (from-to)383-417
Number of pages35
JournalNuclear Physics, Section A
Volume490
Issue number2
DOIs
Publication statusPublished - Dec 19 1988

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics

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    Iseri, Y., Kameyama, H., Kamimura, M., Yahiro, M., & Tanifuji, M. (1988). Virtual breakup effects in elastic scattering of polarized deuterons. Nuclear Physics, Section A, 490(2), 383-417. https://doi.org/10.1016/0375-9474(88)90512-X