Measurement of neutron cross sections and resonance parameters of 169Tm below 100 eV

被引：0

作者：

王文明 ^{[1
]}

李霞 ^{[1
]}

赵志祥 ^{[1
]}

周祖英 ^{[1
]}

于洪伟 ^{[1
]}

吴海成 ^{[1
]}

魏义祥 ^{[2
]}

T.F. Wang ^{[3
]}

G.N. Kim ^{[3
]}

M.W. Lee ^{[3
]}

K.S. Kim ^{[3
]}

M.H. Cho ^{[4
]}

I.S. Ko ^{[4
]}

W. Namkung ^{[4
]}

机构：

[1] China Institute of Atomic Energy

[2] Department of Engineering Physics,Tsinghua University

[3] Department of Physics,Kyungpook National University

[4] Department of Physics,Pohang University of Science and Technology

来源：

中国物理C | 2010年 / 34卷 / 02期

关键词：

resonance parameters; thulium; n-TOF method; SAMMY;

D O I：

暂无

中图分类号：

O571.55 [中子截面];

学科分类号：

0827 ; 082701 ;

摘要：

The neutron total cross-sections of thulium(169Tm) were measured in the neutron energy region from 0.01 eV to 100 eV by using the time-of-flight method at the Pohang Neutron Facility,which consists of an electron linac,a water-cooled tantalum target with a water moderator,and a 12 m time of flight path.Two thulium plates with different thicknesses were used for the neutron transmission measurement.The background level was determined by using a notch-filter of Co,In,and Cd sheets.The present measurement was compared with the previous ones,and a new set of resonance parameters of 169Tm isotope was obtained from the transmission rate by using the SAMMY code,with a comparison with the recommended parameters by Mughabghab.

引用

页码：177 / 181

页数：5

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