Tensor interactions and polarization phenomena in heavy-ion scattering |
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| Authors: | H. Ohnishi M. Tanifuji M. Kamimura Y. Sakuragi M. Yahiro |
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| Affiliation: | Department of Physics, Hosei University, Tokyo, Japan;Department of Physics and Research Center of Ion Beam Technology, Hosei University, Tokyo, Japan;Department of Physics, Kyushu University, Fukuoka, Japan;Department of Physics, Shimonoseki University of Fisheries, Shimonoseki, Japan |
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| Abstract: | Elastic and inelastic scattering of 7Li by 58Ni at Elab = 14.2 and 20.3 MeV is investigated theoretically, special emphasis being laid on polarization phenomena. A parameter-independent study shows second-rank tensor interactions to be the main origin of tensor analyzing powers for both elastic and inelastic scattering. Coupled-channel (CC) calculations using cluster-folding interactions which include the tensor terms are found to be successful in reproducing the data for cross sections and vector and tensor analyzing powers, when projectile excitation effects are sufficiently taken into account. Scattering of 6Li by 58Ni at Elab = 20.0 MeV is also investigated by the CC calculation, where successes similar to the 7Li case are obtained in understanding experimental data. |
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