1 Risø National Laboratory, Risø National Laboratory for Sustainable Energy, Technical University of Denmark2 Risø National Laboratory for Sustainable Energy, Technical University of Denmark
The (n, gamma)-spectrum of Er 167 was investigated by means of the Risø bent crystal spectrometer. The energies and intensities of 47 transitions were measured. 22 of them were fitted into a level scheme. The rotational bands of theK=7/2+,K=1/2–, andK=5/2– states were found up to the spin valuesI=11/2+, 9/2–, and 7/2–. Gammavibrational states of these Nilsson orbitals were determined or proposed. The energy of theK=5/2– state was suggested. Branching ratios of gamma transitions were compared with theoretical predictions.
Zeitschrift Fur Physik, 1965, Vol 187, Issue 5, p. 450-462