Phys. Rev. C 62, 024601 (2000) [8 pages]Light-mass yields and fine structure of mass distributions in 232Th photofissionReceived 4 November 1999; revised 9 March 2000; published 27 June 2000 Fission-fragment mass distributions in the 232Th(γ,f) reaction have been measured from the cumulative yields of radionuclides following activation at bremsstrahlung endpoint energies Ee=7.5, 12.0, and 24.0 MeV. The yields of the light nuclei 24Na and 28Mg were detected following activation at Ee=16.5 and 24.0 MeV. Energy dependences of the symmetric mode and light nuclide yields are discussed. Fine-structure manifestations near asymmetric and symmetric masses were observed. © 2000 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevC.62.024601
DOI:
10.1103/PhysRevC.62.024601
PACS:
25.85.Jg, 25.20.-x
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