Elsevier

Nuclear Physics A

Volume 453, Issue 1, 12 May 1986, Pages 175-188
Nuclear Physics A

Investigation of the fusion process in the Ar-induced reaction on natAg at 19.6 MeV/nucleon

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Abstract

We have measured at SARA the correlation angle between fission fragments and the velocity spectra of evaporation residues produced in the reaction 40Ar + natAg at 19.6 MeVnucleon. The results show that, in both cases, the most probable linear momentum transferred from the projectile to the fused system is about 80%. The total fusion cross section is still large at this bombarding energy: 880 ± 200 mb. However, we point out the need for a simultaneous analysis of the transferred linear momentum and the associated residual mass; different alternative scenarios during the early stage of the reaction are presented here. A discussion of the results indicates the need for caution with such an intermediate-mass system, before setting any definitive conclusions.

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