| Identification of Newβ-Delayed γ Rays and a Low-Spin Isomer in^176Ir |
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| 引用本文： | 王华磊,张玉虎,周小红,郭应祥,雷相国,徐树威,谢元祥,柳敏良,郑勇,邢烨炳,谢成营,宋立涛,骆鹏,于海萍,郭文涛.Identification of Newβ-Delayed γ Rays and a Low-Spin Isomer in^176Ir[J].中国物理快报,2005,22(9):2211-2214. |
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| 作者姓名： | 王华磊 张玉虎 周小红 郭应祥 雷相国 徐树威 谢元祥 柳敏良 郑勇 邢烨炳 谢成营 宋立涛 骆鹏 于海萍 郭文涛 |
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| 作者单位： | [1]Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000 [2]Graduate School of Chinese Academy of Sciences, Beijing 100039 |
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| 基金项目： | Supported by the National Natural Science Foundation of China under Grant Nos 10025525, 10375077, and 10221003, the Major State Basic Research Development Program under Grant No G2000077400, and the Chinese Academy of Sciences. |
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| 摘 要： | The β＋/EC decay of doubly odd nucleus ^176Ir has been studied via the ^146Nd（^35Cl, 5n7） heavy ion fusion evaporation reaction at 210MeV bombarding energy. With the aid of a helium-jet recoil fast tape transport system, the reaction products were transported to a low-background location for measurement. Based on the data analysis, the previously known γ rays from the decay of ^176Ir are proven. Moreover, three new excited levels and ten new γ rays are assigned to ^176Os. The time spectra of typical γ rays clearly indicate a long-lived low-spin isomer in ^176Ir.
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| 关 键 词： | 单核子 γ射线 低旋转异构体 重离子 |
| 收稿时间： | 2005-06-10 |
| 修稿时间： | 2005-06-10 |
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