Activation cross section and isomeric cross section ratios for the (n, 2n) reaction on 153Eu

被引：12
|
作者：
Luo, Junhua [1 ,2 ]
Jiang, Li [3 ]
Li, Suyuan [1 ]
机构：
[1] Hexi Univ, Inst New Energy, Zhangye 734000, Peoples R China
[2] Hexi Univ, Sch Phys & Electromech Engn, Zhangye 734000, Peoples R China
[3] China Acad Engn Phys, Inst Nucl Phys & Chem, Mianyang 621900, Peoples R China
来源：
PHYSICAL REVIEW C | 2017年 / 96卷 / 04期
基金：
中国国家自然科学基金;
关键词：
NEUTRONS; ISOTOPES; REGION;
D O I：
10.1103/PhysRevC.96.044617
中图分类号：
O57 [原子核物理学、高能物理学];
学科分类号：
070202 ;
摘要：
The Eu-153(n, 2n)Eu-152(m1,m2,g) cross section was measured by means of the activation technique at three neutron energies in the range 13-15 MeV. The quasimonoenergetic neutron beam was formed via the H-3(d, n)He-4 reaction, in the Pd-300 Neutron Generator at the Chinese Academy of Engineering Physics (CAEP). The activities induced in the reaction products were measured using high-resolution gamma-ray spectroscopy. The cross section of the population of the second high-spin (8(-)) isomeric state was measured along with the reaction cross section populating both the ground (3(-)) and the first isomeric state (0(-)). Cross sections were also evaluated theoretically using the numerical code TALYS-1.8, with different level density options at neutron energies varying from the reaction threshold to 20 MeV. Results are discussed and compared with the corresponding literature.
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页数：9
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