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Proceedings in Radiochemistry

A Supplement to Radiochimica Acta

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Online
ISSN
2193-2875
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Radiochemical study of sub-barrier fusion hindrance in the 19F+209Bi reaction

I. Nishinaka
  • 1 Japan Atomic Energy Research Institute, Advanced Science Research Centre, Tokai, Ibaraki 319-1195, Japan
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/ Y. Kasamatsu
  • 2 Japan Atmoic Energy Agency, Advanced Science Research Centre, Tokai, Ibaraki 319-1195, Japan
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/ M. Tanikawa / S. Goto / M. Asai
  • 5 Japan Atomic Energy Research Institute, Advanced Science Research Centre, Tokai, Ibaraki 319-1195, Japan
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Published Online: 2011-09-08 | DOI: https://doi.org/10.1524/rcpr.2011.0021

Abstract

Production cross sections of fission product 99Mo produced in the reaction of 19F + 209Bi have been measured at the incident energies 135–83 MeV near and below the fusion barrier by radiochemical methods. The excitation function for the fusion-fission cross sections in this reaction were deduced down to 80 μb from the measured production cross sections. A systematic analysis of the fusion-fission excitation function shows that sub-barrier fusion hindrance in the heavy mass system 19F + 209Bi is different from that in the medium-heavy mass systems but similar to that in the medium-light mass system and in the heavy mass system. This work is the first radiochemical study of sub-barrier fusion hindrance in heavy mass systems.

Keywords: Charged particle induced reaction; Fusion; Fission; Cross sections; Excitation function

About the article

Published Online: 2011-09-08

Published in Print: 2011-09-01


Citation Information: Proceedings in Radiochemistry A Supplement to Radiochimica Acta, Volume 1, Issue 1, Pages 117–121, ISSN (Print) xxxx-xxxx, DOI: https://doi.org/10.1524/rcpr.2011.0021.

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© by Oldenbourg Wissenschaftsverlag, Tokai, Ibaraki 319-1195, Germany.Get Permission

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