Dynamical production of intermediate-mass fragments in peripheral 209Bi+136Xe collisions at Elab A=28 MeV

  • J. Tõke
  • , B. Lott
  • , S. P. Baldwin
  • , B. M. Quednau
  • , W. U. Schröder
  • , L. G. Sobotka
  • , J. Barreto
  • , R. J. Charity
  • , L. Gallamore
  • , D. G. Sarantites
  • , D. W. Stracener
  • , R. T. De Souza

Research output: Contribution to journalArticlepeer-review

39 Scopus citations

Abstract

Intermediate-mass fragments (IMF) from the reaction 209Bi+136Xe at Elab A=28 MeV have been measured in coincidence with other charged reaction products, as well as with neutrons. The IMF emission patterns are seen to exhibit signatures of two mechanisms - statistical emission from the fully accelerated massive reaction partners and a fast dynamical emission from a single effective source. The latter mechanism, possibly involving a multiple neck rupture, becomes dominating for least dissipative collisions characterized by low associated light particle multiplicities.

Original languageEnglish
Pages (from-to)519-524
Number of pages6
JournalNuclear Physics A
Volume583
Issue numberC
DOIs
StatePublished - Feb 6 1995
Externally publishedYes

Funding

This work was supported by the U.S. Department of Energy grants No.DE-FG02-88ER40414 (University of Rochester), DE-FG02-87ER403160 and DE-FG02-88ER40406 (Washington University), and by the National Science Foundation grants No. PHY-89-13815 (NSCL).

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