Phys. Rev. C 62, 024601 (2000) [8 pages]Light-mass yields and fine structure of mass distributions in 232Th photofission |
PRL Celebrates 50 Years
This Week's Milestone Letters are from 1973: |
S. A. Karamian1, J. Adam1, A. G. Belov1, J. J. Carroll2, Yu. V. Norseev1, V. I. Stegailov1, and P. Chaloun1
1Joint Institute for Nuclear Research, Dubna 141980, Russia
2Department of Physics and Astronomy, Center for Photon-Induced Processes, Youngstown State University, Youngstown, Ohio 44555
Received 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/abstract/PRC/v62/e024601
DOI: 10.1103/PhysRevC.62.024601
PACS: 25.85.Jg, 25.20.-x
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