The decay scheme of 165Tm

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W. Kurcewicz, Z. Moroz, Z. Preibisz, B. Schmidt Nielsen

The electron-capture decay 165Tm → 165Er has been investigated with the six-gap β-ray spectrometer as well as Ge(Li) and NaI(Tl) γ-ray detectors. The single γ-ray spectrum, e-γ and γ-γ coincidence spectra have been studied. Some tentative levels have been confirmed and several new established. The structure of the non-rotational states in 165Er is discussed in terms of a model in which the interaction of quasi-particles with quadrupole and octupole phonons is considered. The energy spacing between states with a predominant single-particle character is compared with the energy spacing calculated on the basis of the pairing force theory. © 1968.
Original languageEnglish
JournalNuclear Physics A
Issue number2
Pages (from-to)434-448
Number of pages15
Publication statusPublished - 5 Feb 1968
Externally publishedYes

    Research areas

  • Radioactivity

ID: 213883426