Elsevier

Nuclear Physics A

Volume 435, Issue 1, 4 March 1985, Pages 77-90
Nuclear Physics A

Energy and angle dependence of the vector analyzing power and cross section of the 4He(d, pα)n reaction in a kinematically-complete measurement between 6 and 11 MeV

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Abstract

Differential cross sections and vector analyzing powers of the breakup reaction 4He(d, pα)n have been measured in a kinematically-complete coincidence experiment as a function of the bombarding energy from 6 to 11 MeV and for production angles θ from 40° to 90° at a fixed bombarding energy of 7 MeV. The excitation function was taken at a fixed proton c.m. angle theta;p.c.m. = 69° corresponding to the kinematical conditions of nα final-state interaction. The comparison with a Faddeev calculation shows good agreement at the higher energies but serious deviations in the region of the 1+ (5.65 MeV) state of 6Li but only in the cross section. It is suggested that this is probably due to the effects of the Coulomb interaction.

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