Elsevier

Nuclear Physics A

Volume 578, Issues 1–2, 3 October 1994, Pages 225-237
Nuclear Physics A

Highly converted transitions in the quasi-continuum of 143Eu

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Abstract

The multiplicity of KX-rays originating from the conversion of quasi-continuum transitions feeding non-collective discrete states in 143Eu was determined to be about 0.2 per cascade. This implies that the contribution of M1 transitions to the quasi-continuum is much larger than usually expected, possibly as a result of the presence of highly collective M1 bands in this nucleus. Alternatively, this may be a signature of the presence of E0 transitions. Much lower values of the multiplicity of KX-rays were measured for the quasi-continuum transitions feeding a strong E2 cascade in the same nucleus.

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    1

    Present address: Department for Radiation Science, Uppsala University, Uppsala, Sweden.

    2

    Present address: Department of Physics, University of Jyväskylä, Jyväskylä, Finland.

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