| High-Spin States in Odd-Odd ^140Pr Nucleus |
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| 作者姓名： | 于海萍 郭应祥 周小红 张玉虎 雷相国 骆鹏 柳敏良 宋立涛 王华磊 谢成营 郑勇 郭文涛 竺礼华 吴晓光 |
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| 作者单位： | [1]InstituteofModernPhysics,ChineseAcademyofSciences,Lanzhou730000／／DepartmentofPhysics,NorthwestUniversity,Xi＇an710069 [2]InstituteofModernPhysics,ChineseAcademyofSciences,Lanzhou730000 [3]ChinaInstituteofAtomicEnergy,Beijing102413 |
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| 摘 要： | High-spin level structure of doubly odd nucleus ^140Pr has been investigated via the ^130Te(^14N,4n)^140Pr reaction at beam energies from 55 to 65 MeV. Measurements of γ-ray excitation functions, γ-ray singles and γ-γ-t coincidences were performed with twelve BGO(AC)HPGe detectors. The level scheme of ^140Pr, including 27 new levels and 42 new γ rays, has been established for the first time. The level structure is compared with those in the neighbouring odd-odd nuclei, and interpreted qualitatively.
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| 关 键 词： | 镨核子 高速旋转 电子能量 γ射线 |
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