Evidence for transparency in medium-energy composite-projectile nucleus collisions

R. M. DeVries, J. C. Peng

Research output: Contribution to journalArticlepeer-review


We compare total reaction cross sections found in proton and composite-projectile (d and ) collisions with C12, O16, and Ca40 target nuclei at incident energies between 5 and 600 MeV/nucleon. The energy dependence of the composite-projectile R values is found to be as large as or larger than for protons. A simple semiclassical analysis suggests that, at Ec.m./nucleon of approximately 250 MeV, composite-projectile collisions are, in effect, more transparent than proton collisions with the same target nucleus.

Original languageEnglish (US)
Pages (from-to)1373-1376
Number of pages4
JournalPhysical review letters
Issue number19
StatePublished - 1979
Externally publishedYes

ASJC Scopus subject areas

  • General Physics and Astronomy


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