Beta decay properties of Er148 and Ho148

K. S. Toth, D. C. Sousa, J. M. Nitschke, P. A. Wilmarth

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9 Scopus citations


The decay properties of Er148 and Ho148, produced in Ni58 bombardments of Mo94, were investigated following on-line mass separation. New rays were observed for both nuclides. Transitions assigned to Ho148 decay are predominantly from the decay of the high-spin isomer; based on its decay characteristics, we propose that this state in Ho148 has a spin assignment of 6-. The decay pattern of Er148 shows that the J of the Ho148 low-spin isomer is 1+. Coincidences between protons and x and rays establish Er148 and Ho148 to be -delayed-proton precursors. In the decay of Dy148, three weak rays were observed in addition to the one intense 620.2-keV transition that has been known to follow the nuclides decay.

Original languageEnglish (US)
Pages (from-to)1196-1202
Number of pages7
JournalPhysical Review C
Issue number3
StatePublished - 1988
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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