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兰州大学
Published:01 January 1991
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[1]刘兆远,张华林,马树勋,杨坤山.质子轰击Gd、Eu和Nd引起的L亚壳层电离[J].核技术,1991(01):36-40.
Liu Zhaoyuan Zhang Hualin Ma Shuxun Yang Kunshan. L-subshell ionization for Gd, Eu and Nd by protons[J]. Nuclear techniques, 1991, (1): 36-40.
[1]刘兆远,张华林,马树勋,杨坤山.质子轰击Gd、Eu和Nd引起的L亚壳层电离[J].核技术,1991(01):36-40. DOI:
Liu Zhaoyuan Zhang Hualin Ma Shuxun Yang Kunshan. L-subshell ionization for Gd, Eu and Nd by protons[J]. Nuclear techniques, 1991, (1): 36-40. DOI:
用0.4—2.75MeV质子轰击稀土元素Gd、Eu和Nd靶
测得L亚壳层的X射线产生截面。利用亚壳层的荧光产额和Coster-Kronig跃迁几率的半经验值
求得2S
1
2
、2P
1/2
和2P
3/2
三个亚壳层的电离截面。实验测得的电离截面以及它们的比值与ECPSSR理论预言值进行了比较。
Rare-earth element targets of Gd
Eu and Nd were bombarded by protons with energies between 0.4 and 2.75MeV. The L-subshell X-ray production cross-sections were measured
and the ionization cross-sections of 2S1/2
2P1/2 and 2P3/2 subshells were obtained. Experimental ionization cross-sections and their ratios were compared with the prediction of ECPSSR theory.
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