Elsevier

Nuclear Physics A

Volume 475, Issue 3, 21 December 1987, Pages 569-578
Nuclear Physics A

Decoupled bands in odd-A rare-earth nuclei below N = 82

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Abstract

The reactions 52Cr + 96Ru at 240 MeV, 56Fe + 92Mo at 250 MeV and 54Fe + 92Mo at 260 MeV have been used to form the compound nuclei 146, 148Er. Bands of gamma ray transitions were identified as belonging to the odd-proton nuclei 137Eu, 141, 143, 145Tb and 145Ho which are among the decay products of these compound systems. The observed level sequences closely resemble the ground state bands in the neighbouring, even-even core nuclei, and appear to be rotationally aligned bands based on the h112 proton orbit. In all the cases reported these are the first data on excited states.

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Permanent address: Institute of Experimental Physics, Warsaw University, Warsaw, Poland.

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