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Integral Cross Sections for Electron–Magnesium Scattering Over a Broad Energy Range (0–5000 eV)
Journal of Physical and Chemical Reference Data ( IF 4.4 ) Pub Date : 2018-12-01 , DOI: 10.1063/1.5081132
R. P. McEachran 1 , F. Blanco 2 , G. García 3 , P. W. Stokes 4 , R. D. White 4 , M. J. Brunger 5
Affiliation  

We report the results from the application of our optical potential and relativistic optical potential (ROP) methods to electron–magnesium scattering. The energy range of this study was 0–5000 eV, with the results for the integral elastic cross sections, summed discrete electronic-state excitation integral cross sections, momentum transfer cross sections, and total ionisation cross sections being reported. Where possible, we compare the present results to the available experimental data and to the earlier results from close coupling and R-matrix type computations. Typically, a quite fair level of accord is found between our ROP calculations and the earlier theoretical and experimental cross sections. Additionally, from the assembled database, we provide for the modeling community some recommended cross section sets for use in their simulations, in which magnesium is a constituent. Electron transport coefficients are subsequently calculated for reduced electric fields ranging from 0.1 to 1000 Td using a multi-term solution of Boltzmann’s equation. Substantial differences in the transport coefficients between the ROP calculations and the recommended cross sections are observed over the range of fields considered, clearly illustrating the importance of the veracity of the database in the simulations.We report the results from the application of our optical potential and relativistic optical potential (ROP) methods to electron–magnesium scattering. The energy range of this study was 0–5000 eV, with the results for the integral elastic cross sections, summed discrete electronic-state excitation integral cross sections, momentum transfer cross sections, and total ionisation cross sections being reported. Where possible, we compare the present results to the available experimental data and to the earlier results from close coupling and R-matrix type computations. Typically, a quite fair level of accord is found between our ROP calculations and the earlier theoretical and experimental cross sections. Additionally, from the assembled database, we provide for the modeling community some recommended cross section sets for use in their simulations, in which magnesium is a constituent. Electron transport coefficients are subsequently calculated for reduced electric fields ranging from 0.1 to 1000 Td using a mu...

中文翻译:

在宽能量范围 (0–5000 eV) 上电子-镁散射的积分截面

我们报告了将我们的光势和相对论光势 (ROP) 方法应用于电子 - 镁散射的结果。本研究的能量范围为 0-5000 eV,报告了积分弹性截面、总和离散电子态激发积分截面、动量传递截面和总电离截面的结果。在可能的情况下,我们将当前结果与可用的实验数据以及来自紧密耦合和 R 矩阵类型计算的早期结果进行比较。通常,在我们的 ROP 计算与早期的理论和实验横截面之间发现了相当公平的一致性。此外,从组装的数据库中,我们为建模社区提供了一些推荐的横截面集,用于他们的模拟,其中镁是一种成分。随后,使用玻尔兹曼方程的多项解法,针对 0.1 至 1000 Td 的减小电场计算电子传输系数。在所考虑的场范围内观察到 ROP 计算和推荐横截面之间传输系数的显着差异,清楚地说明了模拟中数据库准确性的重要性。我们报告了应用我们的光学势和电子-镁散射的相对论光学势(ROP)方法。本研究的能量范围为 0-5000 eV,结果为积分弹性截面、总和离散电子态激发积分截面、动量传递截面、和总电离截面被报告。在可能的情况下,我们将当前结果与可用的实验数据以及来自紧密耦合和 R 矩阵类型计算的早期结果进行比较。通常,我们的 ROP 计算与早期的理论和实验横截面之间存在相当大的一致性。此外,从组装的数据库中,我们为建模社区提供了一些推荐的横截面集,用于他们的模拟,其中镁是一种成分。随后使用μ...计算范围为 0.1 至 1000 Td 的减小电场的电子传输系数。我们的 ROP 计算与早期的理论和实验横截面之间存在相当大的一致性。此外,从组装的数据库中,我们为建模社区提供了一些推荐的横截面集,用于他们的模拟,其中镁是一种成分。随后使用μ...计算范围为 0.1 至 1000 Td 的减小电场的电子传输系数。我们的 ROP 计算与早期的理论和实验横截面之间存在相当大的一致性。此外,从组装的数据库中,我们为建模社区提供了一些推荐的横截面集,用于他们的模拟,其中镁是一种成分。随后使用μ...计算范围为 0.1 至 1000 Td 的减小电场的电子传输系数。
更新日期:2018-12-01
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