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丰中子氮同位素β-衰变的理论研究
  • ISSN号：1000-3290
  • 期刊名称：《物理学报》
  • 时间：0
  • 分类：O572.321[理学—粒子物理与原子核物理;理学—物理] X131.2[环境科学与工程—环境科学]
  • 作者机构：[1]北京大学物理学院,核物理与核技术国家重点实验室,北京100871, [2]兰州重离子加速器国家实验室原子核理论中心,兰州730000
  • 相关基金：国家自然科学基金（批准号：10525520,10735010,10475002）和国家重点基础研究发展规划（批准号：2007CB815000）资助的课题 感谢北京大学冒亚军教授为本文的计算工作提供计算机群.
作者： 张玉美[1], 许甫荣[1,2]
关键词： 中子滴线, β-衰变, 氮同位素, 壳模型, neutron drip line,β-decay,nitrogen isotope,shell model
中文摘要：

使用壳模型系统地研究了丰中子氮同位素的β-衰变,并对其衰变子核18,19,20,21O的能级结构性质给出理论计算,所得结果与实验符合较好.研究了18,19,20N核的Gamow-Teller允许型β-衰变的特性,对与近期实验观测不一致之处进行了讨论和分析.预言了21N的β-衰变及其子核高激发态的能级结构性质.这些计算将对氮同位素的实验研究很有帮助.

英文摘要：

We have studied the low-lying level schemes of 18,19,20,21O and the β——decay branching ratios of nitrogen isotope.The shell-model calculations have been carried out in the psd shell space.The results are compared with the recent experimental data with reasonable agreement.Our calculations also predict the β——decay property of 21N and the structure of 21O.

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期刊信息
  • 《物理学报》
  • 北大核心期刊（2011版）
  • 主管单位:中国科学院
  • 主办单位:中国物理学会 中国科学院物理研究所
  • 主编：欧阳钟灿
  • 地址：北京603信箱(中国科学院物理研究所)
  • 邮编：100190
  • 邮箱：apsoffice@iphy.ac.cn
  • 电话：010-82649026
  • 国际标准刊号：ISSN：1000-3290
  • 国内统一刊号：ISSN：11-1958/O4
  • 邮发代号:2-425
  • 获奖情况:
  • 1999年首届国家期刊奖,2000年中科院优秀期刊特等奖,2001年科技期刊最高方阵队双高期刊居中国期刊第12位
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  • 被引量:49876