کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1849289 1528828 2014 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Test of the πg7/2πg7/2 subshell closure at Z=58Z=58
موضوعات مرتبط
مهندسی و علوم پایه فیزیک و نجوم فیزیک هسته ای و انرژی بالا
پیش نمایش صفحه اول مقاله
Test of the πg7/2πg7/2 subshell closure at Z=58Z=58
چکیده انگلیسی

A simultaneous lifetime and relative g  -factor measurement of the 21+ levels in 138,142Ce was performed using the Time Dependent Recoil Into Vacuum (TDRIV) technique. The excitation mechanism was Coulomb excitation in inverse kinematics, and the experimental setup included the Yale plunger device and the Gammasphere array. The latter was used to extract angular distributions for the 21+→0+γ  -ray transitions at various target-to-stopper distances. A g(21+) factor of 0.26(8) for 138Ce was obtained relative to the literature value of g(21+)=0.21(5) in 142Ce. In addition, high-precision values of the B(E2;21+→0+) strengths were obtained. The new data support a proposed subshell closure for the πg7/2πg7/2 orbital at Z=58Z=58.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physics Letters B - Volume 728, 20 January 2014, Pages 303–307
نویسندگان
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