Photoexcitation of nuclear isomers by (,) reactions

J. J. Carroll, M. J. Byrd, D. G. Richmond, T. W. Sinor, K. N. Taylor, W. L. Hodge, Y. Paiss, C. D. Eberhard, J. A. Anderson, C. B. Collins, E. C. Scarbrough, P. P. Antich, F. J. Agee, D. Davis, G. A. Huttlin, K. G. Kerris, M. S. Litz, D. A. Whittaker

Research output: Contribution to journalArticlepeer-review

71 Scopus citations


Photoexcitation of the isomers of 19 nuclides was examined in this work. Four accelerators were used as sources of bremsstrahlung to expose the samples and end-point energies covered the range from 0.5 to 11 MeV. No evidence was found for nonresonant processes of excitation. However, more than half the cases showed enhanced channels for the resonant photoexcitation of isomers with integrated cross sections approaching 10-21 cm2 keV. These results are three to four orders of magnitude larger than values usually characterizing (,) reactions.

Original languageEnglish (US)
Pages (from-to)1238-1247
Number of pages10
JournalPhysical Review C
Issue number3
StatePublished - 1991

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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