高级检索

留言板

尊敬的读者、作者、审稿人, 关于本刊的投稿、审稿、编辑和出版的任何问题, 您可以本页添加留言。我们将尽快给您答复。谢谢您的支持!

姓名
邮箱
手机号码
标题
留言内容
验证码

超重核292-310122同位素链的α衰变和自发裂变的竞争

包小军 张海飞 李君清 张鸿飞

包小军, 张海飞, 李君清, 张鸿飞. 超重核292-310122同位素链的α衰变和自发裂变的竞争[J]. 原子核物理评论, 2013, 30(3): 318-323. doi: 10.11804/NuclPhysRev.30.03.318
引用本文: 包小军, 张海飞, 李君清, 张鸿飞. 超重核292-310122同位素链的α衰变和自发裂变的竞争[J]. 原子核物理评论, 2013, 30(3): 318-323. doi: 10.11804/NuclPhysRev.30.03.318
BAO Xiaojun, ZHANG Haifei, LI Junqing, ZHANG Hongfei. Competition between Decay and Spontaneous Fission in 292-310122 Isotopes[J]. Nuclear Physics Review, 2013, 30(3): 318-323. doi: 10.11804/NuclPhysRev.30.03.318
Citation: BAO Xiaojun, ZHANG Haifei, LI Junqing, ZHANG Hongfei. Competition between Decay and Spontaneous Fission in 292-310122 Isotopes[J]. Nuclear Physics Review, 2013, 30(3): 318-323. doi: 10.11804/NuclPhysRev.30.03.318

超重核292-310122同位素链的α衰变和自发裂变的竞争

doi: 10.11804/NuclPhysRev.30.03.318

Competition between Decay and Spontaneous Fission in 292-310122 Isotopes

  • 摘要: 基于推广的液滴模型(GLDM) 理论框架,计算了292-310122 同位素链的 衰变和自发裂变的半衰期。计算时的基本输入量为两子核的质量数和电荷数以及反应Q 值。GLDM能很好地描述重核和超重核的 衰变和自发裂变过程。计算结果表明,A < 308 时在同位素链上N = 176~184 的区域α衰变为主要衰变模式。A > 308 时在同位素链上自发裂变为主要衰变模式。308122 是α衰变和自发裂变的分界点,暗示着N = 184 为中子幻数。Based on the framework of the Generalized Liquid Droplet Model (GLDM), alpha decay and spontaneous fission half-lives for 292-310122 isotopes are studied. The calculation of the basic inputs which only need the two fragment
    mass numbers, charge numbers and the Q value. GLDM can describe alpha decay and spontaneous fission the nuclei. It is found that the alpha decay is the dominant mode of decay for isotopes with mass number A < 308, and for those with A > 308 spontaneous fission is dominant. The demarcation between alpha decay and spontaneous fission is at 308122, which shows the presence of a spherical neutron shell closure at N = 184.
  • 加载中
计量
  • 文章访问数:  1759
  • HTML全文浏览量:  122
  • PDF下载量:  458
  • 被引次数: 0
出版历程
  • 收稿日期:  1900-01-01
  • 修回日期:  1900-01-01
  • 刊出日期:  2013-09-20

超重核292-310122同位素链的α衰变和自发裂变的竞争

doi: 10.11804/NuclPhysRev.30.03.318

摘要: 基于推广的液滴模型(GLDM) 理论框架,计算了292-310122 同位素链的 衰变和自发裂变的半衰期。计算时的基本输入量为两子核的质量数和电荷数以及反应Q 值。GLDM能很好地描述重核和超重核的 衰变和自发裂变过程。计算结果表明,A < 308 时在同位素链上N = 176~184 的区域α衰变为主要衰变模式。A > 308 时在同位素链上自发裂变为主要衰变模式。308122 是α衰变和自发裂变的分界点,暗示着N = 184 为中子幻数。Based on the framework of the Generalized Liquid Droplet Model (GLDM), alpha decay and spontaneous fission half-lives for 292-310122 isotopes are studied. The calculation of the basic inputs which only need the two fragment
mass numbers, charge numbers and the Q value. GLDM can describe alpha decay and spontaneous fission the nuclei. It is found that the alpha decay is the dominant mode of decay for isotopes with mass number A < 308, and for those with A > 308 spontaneous fission is dominant. The demarcation between alpha decay and spontaneous fission is at 308122, which shows the presence of a spherical neutron shell closure at N = 184.

English Abstract

包小军, 张海飞, 李君清, 张鸿飞. 超重核292-310122同位素链的α衰变和自发裂变的竞争[J]. 原子核物理评论, 2013, 30(3): 318-323. doi: 10.11804/NuclPhysRev.30.03.318
引用本文: 包小军, 张海飞, 李君清, 张鸿飞. 超重核292-310122同位素链的α衰变和自发裂变的竞争[J]. 原子核物理评论, 2013, 30(3): 318-323. doi: 10.11804/NuclPhysRev.30.03.318
BAO Xiaojun, ZHANG Haifei, LI Junqing, ZHANG Hongfei. Competition between Decay and Spontaneous Fission in 292-310122 Isotopes[J]. Nuclear Physics Review, 2013, 30(3): 318-323. doi: 10.11804/NuclPhysRev.30.03.318
Citation: BAO Xiaojun, ZHANG Haifei, LI Junqing, ZHANG Hongfei. Competition between Decay and Spontaneous Fission in 292-310122 Isotopes[J]. Nuclear Physics Review, 2013, 30(3): 318-323. doi: 10.11804/NuclPhysRev.30.03.318

目录

    /

    返回文章
    返回