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APS » Journals » Phys. Rev. C » Volume 54 » Issue 5
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Phys. Rev. C 54, R2114–R2118 (1996)

Emission of intermediate mass fragments during fission

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S. L. Chen, R. T. de Souza, E. Cornell, B. Davin, T. M. Hamilton, D. Hulbert*, K. Kwiatkowski, Y. Lou, and V. E. Viola
Department of Chemistry and Indiana University Cyclotron Facility, Indiana University, Bloomington, Indiana 47405

R. G. Korteling
Department of Chemistry, Simon Fraser University, Burnaby, British Columbia, Canada V5A 1S6

J. L. Wile†
Department of Chemistry, Ball State University, Muncie, Indiana 47302

Received 1 May 1996; published in the issue dated November 1996

Ternary fission in the reaction 4He + 232Th at Elab=200 MeV has been observed. Intermediate mass fragments (IMF: 3<~Z<~8) with unique energy and angular distributions have been measured consistent with emission from the neck zone during fission. The widths of the energy spectra are relatively constant for neck fragments with Z>~4, suggesting little variability in the scission configurations. A linear dependence of 〈E〉 on Z is observed for the neck IMFs. The observed trend is compared with a Coulomb trajectory model.

© 1996 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevC.54.R2114
DOI:
10.1103/PhysRevC.54.R2114
PACS:
25.85.Ge, 24.10.-i

*Present address: Department of Chemistry, Purdue University, West Lafayette, Indiana 47907.

†Present address: Pathologists Associated, 2401 West University Ave., Muncie, Indiana 47302.

 
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