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Comparison between α and proton sequential emission in 16O(132 MeV)+58Ni deep inelastic collisions

Abstract : The 16O+58Ni deep-inelastic collision has been investigated at Elab(16O)=132 MeV by using coincident charged particle techniques. Exclusive data of the projectilelike fragments (C, N, and O) and their associated light charged particles (protons and α particles) were collected in coincidence. The experiment has been performed at the IReS Strasbourg VIVITRON Tandem facility by using the ICARE charged particle multidetector array. The measured velocity diagrams and in-plane angular correlations have been analyzed by a semiclassical model that combines equilibrium and nonequilibrium processes of a deep-inelastic scattering reaction. Following the hypothesis of a sequential process, this closed-form theoretical approach is applied to the measured [(C,N,O)-p] and [(C,N,O)-α] differential multiplicities. Estimates on polarization phenomena and on ``decay times'' are used to provide information about deep-inelastic scattering in 16O+58Ni at 8.25 MeV/nucleon.
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Submitted on : Saturday, February 5, 2022 - 6:07:00 PM
Last modification on : Sunday, February 6, 2022 - 3:23:55 AM

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R. Barná, D. de Pasquale, A. Italiano, A. Trifiró, M. Trimarchi, et al.. Comparison between α and proton sequential emission in 16O(132 MeV)+58Ni deep inelastic collisions. Physical Review C, 2002, 66, ⟨10.1103/PhysRevC.66.054607⟩. ⟨insu-03559034⟩

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