Elsevier

Nuclear Physics A

Volume 536, Issue 1, 6 January 1992, Pages 179-200
Nuclear Physics A

Excitation patterns of γ-unstable nuclei

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Abstract

A detailed analysis of the Coulomb excitation of γ-unstable bands in transitional nuclei is made. Approximate analytic expressions valid in the sudden limit are supplemented with coupled-channel calculations. The population patterns obtained with the quantal or semiclassical treatments are interpreted making use of the stationary phase approximation. A quantitative description of the excitation process is also developed in terms of a classical formalism which incorporates both relative motion and the intrinsic γ degree of freedom. Applications are presented for the reaction 208Pb + 196Pt.

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