Detailed spectroscopy of Ca46 : A study of the β− decay of K46
Detailed spectroscopy of Ca46 : A study of the β− decay of K46
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Ca46 的详细光谱：K46 β 衰变的研究
DOI：
10.1103/physrevc.100.054327
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发表时间：
2019
影响因子：
3.1
通讯作者：
Braid, R.
中科院分区：
文献类型：
--
作者：
Pore, J. L.;Andreoiu, C.;Smith, J. K.;MacLean, A. D.;Chester, A.;Holt, J. D.;Ball, G. C.;Bender, P. C.;Bildstein, V.;Braid, R.
我们报告了使用位于 TRUMF-ISAC 设施的 GRIFFIN 光谱仪获取的基态衰变的高统计数据。总共，199条射线和42个激发态被放置在能级方案中，并且根据观察到的级联射线对的馈送和角度相关性，可以将自旋和宇称分配给激发态并确定所选射线的混合比。的能级结构与源自二核子力和三核子力的微观价空间哈密顿量的理论预测进行了比较。这些计算与实验数据相当一致，并表明该区域的质子并不像半幻核所预期的那样惰性。
We report on high-statistics data from thedecay of theground state taken with the GRIFFIN spectrometer located at the TRIUMF-ISAC facility. In total, 199rays and 42 excited states were placed in the level scheme, and from the observedfeeding and angular correlations of pairs of cascadingrays, it was possible to assign spins and parities to excited states and determine mixing ratios for selectedrays. The level structure ofis compared to theoretical predictions from a microscopic valence-space Hamiltonian derived from two- and three-nucleon forces. These calculations are in reasonable agreement with the experimental data and indicate that the protons in this region are not as inert as would be expected for semimagic nuclei.