Emission of intermediate-mass fragments in the interaction of 16O with 59Co, 93Nb and 197Au

E. Gadioli, G. F. Steyn, F. Albertini, C. Birattari, M. Cavinato, S. H. Connell, A. A. Cowley, E. Fabrici, S. V. Förtsch, E. Gadioli Erba, J. J. Lawrie, M. Pigni, J. P.F. Sellschop, E. Sideras Haddad

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21 Citations (Scopus)

Abstract

In this paper we study the emission of 8Begs, B and N fragments in the interaction of 160 ions with 59Co, 93Nb and 197Au at incident energies varying from 6 to 25 MeV/nucleon. The spectra of these fragments, as well as those of C fragments studied in a previous paper, are dominated at forward angles by a component originating from break-up of 16O. At the higher incident energies break-up occurs after quite a sizeable projectile energy loss. Another mechanism which dominates at large emission angles, favours the emission of low-energy fragments and is attributed to the coalescence of nucleons during the cascade of nucleon-nucleon interactions by means of which the excited nuclei produced in the primary two-ion interaction thermalize.

Original languageEnglish
Pages (from-to)195-212
Number of pages18
JournalEuropean Physical Journal A
Volume17
Issue number2
DOIs
Publication statusPublished - Jun 2003
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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