Nuclear level density and γ-ray strength function of 43Sc

A. Bürger, A. C. Larsen, S. Hilaire, M. Guttormsen, S. Harissopulos, M. Kmiecik, T. Konstantinopoulos, M. Krtička, A. Lagoyannis, T. Lönnroth, K. Mazurek, M. Norrby, H. T. Nyhus, G. Perdikakis, S. Siem, A. Spyrou, N. U.H. Syed

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Abstract

The nuclear level density and the γ-ray strength function have been determined for 43Sc in the energy range up to 2 MeV below the neutron separation energy using the Oslo method with the 46Ti(p,α)43Sc reaction. A comparison to 45Sc shows that the level density of 43Sc is smaller by an approximately constant factor of two. This behavior is well reproduced in a microscopic, combinatorial model calculation. The γ-ray strength function increases at low γ-ray energies, a feature which has been observed in several nuclei but which still awaits theoretical explanation.

Original languageEnglish
Article number064328
JournalPhysical Review C - Nuclear Physics
Volume85
Issue number6
DOIs
StatePublished - Jun 27 2012

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