Study of excited levels in ¹⁴⁹Pm

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• 作者：Jones ; M.A. ; Urban ; W. ; Durell ; J.L. ; Leddy ; M. ; Phillips ; W.R. ; Varley ; B.J. ; Dagnall ; P.J. ; Smith ; A.G. ; et. al.
• 关键词：Nuclear reactions ¹⁵⁰Nd(d ; 3n) ; E = 18 MeV ; Measured E_γ ; ; γ ; γ ; eγ ; ICC ; ¹⁴⁹Pm deduced levels ; J ; π ; γ ; -ray intensity ; branchings ; Multi-particle configurations ; octupole deformation
• 刊名：Nuclear Physics A
• 出版年：1996
• 期刊代码：44_03759474
• 类别：ph
• 出版时间：November 11, 1996
• 卷：609
• 期：2
• 页码：201-217
• 文件大小：810 K

摘要

Excited states in ¹⁴⁹Pm have been studied through the ¹⁵⁰Nd(d, 3n) reaction. γ-γ and electron-γ coincidence data have enabled partial level and decay schemes to be extended up to spin (27/2). The spins and parities of excited levels have been deduced from measurements of internal conversion coefficients, decay schemes, and from comparison to the N = 88 isotones ¹⁵¹Eu and¹⁵³ Tb. The data are discussed in terms of the strength of octupole correlations.