Short lifetimes in 24Mg for test of rotational collectivity in shell-model wave functions

J. Keinonen, P. Tikkanen, A. Kuronen, Á Z. Kiss, E. Somorjai, B. H. Wildenthal

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Abstract

Mean lifetimes of levels in 24Mg have been measured using the Doppler-shift-attenuation (DSA) method in conjunction with the reactions 23Na(p, γ)24Mg and 12C(14N, pn)24 Mg. The lifetime values or limits were determined for 27 bound levels below the excitation energy of 11 MeV; the lifetimes of 3 levels are reported for the first time. For the effective stopping of recoils, the targets were prepared by implanting 23Na and 12C into Ta backings. The Monte Carlo method and the experimental stopping power were used in the DSA analysis. The experimental transition strengths are compared with recent shell-model calculations.

Original languageEnglish
Pages (from-to)124-144
Number of pages21
JournalNuclear Physics, Section A
Volume493
Issue number1
DOIs
Publication statusPublished - Feb 27 1989

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Keywords

  • Nuclear reactions

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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