Cross sections for electron scattering from atomic lead

Cross sections for electron scattering from atomic lead
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原子铅电子散射的横截面

DOI:
10.1088/1361-6455/ab53bc
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发表时间:
2019
期刊:
Molecular and Optical Physics
影响因子:
--
通讯作者:
Bartschat, Klaus
Bartschat, Klaus
中科院分区:
--
文献类型:
--
作者:
van Eck, Matthew P;Fursa, Dmitry V;Bray, Igor;Zatsarinny, Oleg;Bartschat, Klaus

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我们用相对论收敛紧耦合和Dirac B-Spline R-矩阵方法研究了铅原子的电子散射。给出了从基态到6p7s、6p7p和6p6d流形的弹性散射和激发的微分和积分截面,能量范围从1到100 eV。文中还给出了动量转移、电离和总散射截面。我们的结果与实验数据和以前的理论预测进行了比较。总的来说,这两种理论与实验之间有很好的一致性,尽管有人建议对实验进行一些重新正规化。
We applied the relativistic convergent close-coupling and the Dirac B-spline R-matrix methods to electron scattering from lead atoms. Differential and integrated cross sections are presented for elastic scattering and excitations from the ground state to the 6p7s, 6p7p, and 6p6d manifolds for energies ranging from 1 to 100 eV. The momentum-transfer, ionisation, and total scattering cross sections are also presented. Our results are compared with experimental data and previous theoretical predictions where available. Generally good agreement is found between the two theories and experiment, though some renormalisation of experiment is suggested.
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