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The decay scheme of 165Tm

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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.
TidsskriftNuclear Physics A
Udgave nummer2
Sider (fra-til)434-448
Antal sider15
StatusUdgivet - 5 feb. 1968
Eksternt udgivetJa

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