Activation Cross Sections for Generation of Long-Lived Radionuclides

• 来源期刊: 原子核物理：英文版
• 学科: 物理学
• 关键词: ACTIVATION cross section Long-lived radionuclides Fusion REACTOR technology
• 年，卷（期）: 1997,（1）
• 页码范围: 35-38
• 页数: 4页
• 分类号: O4

摘要

【正】 A summary is given on the activation cross section measurements performed byChina Institute of Atomic Energy（CIAE）,Lanzhou University（LU）,Peking University（PU）and Sichuan University（SU）from 1989 to 1994 for generation of long-lived radionuclides of im-portance in fusion reactor technology.The cross sections are measured for the reactions ¹⁰⁹Ag（n,2n）¹⁰⁸Ag^m,¹⁵¹Eu（n,2n）¹⁵⁰Eu^m,¹⁵³Eu（n,2n）¹⁵²Eu⁸,¹⁵⁹Tb（n,2n）¹⁵⁸Tb,¹⁷⁹Hf（n,2n ）¹⁷⁸Hf^m2,¹⁸²W（n,n′α）¹⁷⁸Hf^m2,¹⁸⁷Re（n,2n）¹⁸⁶Re^m and ¹⁹³Ir（n,2n）¹⁹²Ir^m2at 14 MeV,¹⁰⁹Ag（n,2n）¹⁰⁸Ag^m,¹⁵¹Eu（n,2n）¹⁵⁰Eu^m,¹⁵⁹Tb（n,2n）¹⁵⁸Tb and ¹⁷⁹Hf（n,2n）¹⁷⁸Hf^m2at 9.5 and 9.9 MeV,and⁹⁸Mo（n,γ）¹⁹⁹Mo（β^-）→⁹⁹Tc,¹⁶⁵Ho（n.γ）¹⁶⁶Ho^m and ¹⁵¹Eu（n,γ）¹⁵²Eu⁸ in the energy range of20～1100 keV.Some of them were calculated by systematic and HFTT code,which was basedon the compound nucleus evaporation and the preequilibrium exciton model.