Elsevier

Nuclear Physics A

Volume 364, Issue 1, 29 June 1981, Pages 62-80
Nuclear Physics A

The effects of finite range and channel coupling in the 32S(3He, 4He)31S reaction

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Abstract

Comparisons of exact finite-range (EFR) DWBA calculations and zero-range (ZR) calculations are presented for the cross sections and analysing powers of the 32S(3He, 4He)31S reaction to the ground state (12+), 1.25 MeV (32+)and 2.23 MeV (52+) states. The data for the 32+ and 52+ states are quite well fitted and show the characteristic j-dependence of the analysing powers. Only small differences between the EFR and ZR calculations are seen. The analysing power data for the 12± state are poorly fitted by the EFR or ZR calculations but better agreement is obtained when the coupling to other levels is included in a coupled channel Born approximation (CCBA) calculation.

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    Present address: Department of Physics, University of Birmingham, England.

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