Doorway-state formation and structure in -delayed proton decay

J. M. Nitschke, P. A. Wilmarth, R. B. Firestone, P. Möller, K. S. Toth, J. Gilat

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The structure in the -delayed proton spectra of the precursors Dyg66147, Erg68149, and Ybg70151 is analyzed within the framework of a doorway-state model. Indications from -ray decay studies, strength-function measurements, and calculations of state densities and Gamow-Teller strength distributions, lead us to suggest that some of the observed proton transitions arise from the preequilibrium decay of doorway states populated in + decay or electron capture.

Original languageEnglish (US)
Pages (from-to)2805-2808
Number of pages4
JournalPhysical Review Letters
Issue number24
StatePublished - Jan 1 1989

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Nitschke, J. M., Wilmarth, P. A., Firestone, R. B., Möller, P., Toth, K. S., & Gilat, J. (1989). Doorway-state formation and structure in -delayed proton decay. Physical Review Letters, 62(24), 2805-2808.