...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Physical review, C >Photoneutron reaction cross section measurements on Mo-94 and Zr-90 relevant to the p-process nucleosynthesis
【24h】

Photoneutron reaction cross section measurements on Mo-94 and Zr-90 relevant to the p-process nucleosynthesis

机译：Photoneutron反应横截面测量MO-94和ZR-90相关与P-Process Nucleosynathesis相关

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

The photodisintegration cross sections for the Mo-94(gamma, n) and Zr-90(gamma, n) reactions have been experimentally investigated with quasi-monochromatic photon beams at the High Intensity gamma-ray Source (HI gamma S) facility of the Triangle Universities Nuclear Laboratory (TUNL). The energy dependence of the photoneutron reaction cross sections was measured with high precision from the respective neutron emission thresholds up to 13.5 MeV. These measurements contribute to a broader investigation of nuclear reactions relevant to the understanding of the p-process nucleosynthesis. The results are compared with the predictions of Hauser-Feshbach statistical model calculations using two different models for the dipole gamma-ray strength function. The resulting Mo-94(gamma, n) and Zr-90(gamma, n) photoneutron stellar reaction rates as a function of temperature in the typical range of interest for the p-process nucleosynthesis show how sensitive the photoneutron stellar reaction rate can be to the experimental data in the vicinity of the neutron threshold.
机译：已经用高强度伽马射线源（HIAMA S）设施的准单色光子束进行了实验研究了MO-94（γ，N）和ZR-90（γ，N）反应的光致剂横截面。三角大学核实验室（屯门）。光琴反应横截面的能量依赖性以高精度测量，从相应的中子发射阈值高达13.5 meV测量。这些测量有助于更广泛地调查与理解P-Process核酸合成相关的核反应。将结果与Hauser-Feshbach统计模型计算的预测进行了比较，用于使用两个不同模型用于偶极伽马射线强度功能。得到的Mo-94（γ，N）和Zr-90（γ，N）光励蛋白质恒温反应速率作为P-Process核酸合成的典型目的范围内的温度函数，表明了光动矩恒温反应速率的敏感性到中子阈值附近的实验数据。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号