Elsevier

Nuclear Physics A

Volume 471, Issues 1–2, 7 September 1987, Pages 191-204
Nuclear Physics A

Isotope yield ratios as a probe of the reaction dynamics

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Abstract

Isotopically resolved yields of particles and complex fragments from 12C and 18O induced reactions on 58Ni, 64Ni, Ag and 197Au in the intermediate range of bombarding energies 30 MeV ≤ E/A ≤ 84 MeV were measured. The systematic variation of the deduced isotope yield ratios with projectile and target is used to determine the degree of N/Z equilibration achieved and to establish time scales for the reaction process. A quantum statistical model is employed in order to derive entropies of the emitting systems from the measured isotope yield ratios.

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present address: Lawrence Berkeley Laboratory, Berkeley, CA 94720, USA.

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present address: Texas A&M University, College Station, TX 77843, USA.

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