Positron-impact single ionization of helium using the Faddeev-Merkuriev equations

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Positron-impact single ionization of helium using the Faddeev-Merkuriev equations

机译：使用FADDEEV-Merkuriev方程的正电子冲击单电离

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We present the study of the positron-impact single ionization process of helium in the case where the residual ion remains in its ground state. We calculated the total cross-section for incident-positron energies ranging from the ionization threshold to 150 eV, and the triple differential cross-sections (TDCSs), using a single continuum wave function built through the Faddeev-Merkuriev differential equations. A comparison of the results of the total cross-section obtained with our approach and other theoretical models as well as with existing experimental data, shows a good agreement. Due to the lack of experimental and theoretical results for comparison, and to be more general and predictable in our investigation, the two- and three-dimensional representation of the TDCSs covering all possible values of the angle of the ejected electron for different values of its energy are presented and discussed.

机译：我们介绍了在残留离子保留在其地位的情况下氦的正电子冲击单电离过程的研究。我们计算了从电离阈值到150eV的离电阈值的总横截面，以及使用通过Faddeev-Merkuriev微分方程构建的单个连续脉冲函数的三差分横截面（TDCS）。通过我们的方法和其他理论模型以及现有的实验数据的总横截面以及现有的实验数据的比较显示了良好的一致性。由于缺乏比较的实验和理论结果，并且在我们的研究中更一般和可预测，TDC的两维表示覆盖喷射电子的角度的所有可能值为其不同的值提供和讨论能量。

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《Physica Scripta: An International Journal for Experimental and Theoretical Physics》 |2020年第4期|共8页
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正文语种 eng
中图分类物理学;
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Faddeev-Merkuriev equations; positron-atom scattering; total and triple differential cross-sections;

机译：Faddeev-Merkuriev方程;正电子原子散射;总和三差分横截面;

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专利

1. Positron-impact single ionization of helium using the Faddeev-Merkuriev equations [J] . Physica Scripta: An International Journal for Experimental and Theoretical Physics . 2020,第4期

机译：使用FADDEEV-Merkuriev方程的正电子冲击单电离
2. On the high-energy limits for the double-to-single ionization ratio of helium and helium-like ions in collisions with charged and neutral particles [J] . A.B. Voitkiv, C. Mueller, N. Gruen Nuclear Instruments & Methods in Physics Research. B, Beam Interactions with Materials and Atoms . 2003,第May期

机译：在高能极限下，与带电粒子和中性粒子碰撞时氦和类氦离子的双电离比率
3. 1,4-Benzoquinone as a Highly Efficient Dopant for Enhanced Ionization and Detection of Nitramine Explosives on a Single-Quadrupole Mass Spectrometer Fitted with a Helium-Plasma Ionization (HePI) Source [J] . Pavlov Julius, Douce David, Bajic Steve, Journal of the American Society for Mass Spectrometry . 2019,第12期

机译：1,4-苯并醌作为高效掺杂剂，用于增强电离和硝胺炸药对配有氦浆电离（HEPI）来源的单夸孔质谱仪爆炸物
4. Laser-assisted single and double ionization of helium by electron impact [C] . Andrey A. Bulychev, Konstantin A. Kouzakov, Sergey I. Vinitsky Saratov fall meeting . 2015

机译：通过电子撞击激光辅助单和双电离氦
5. Single electron capture and ionization involving atomic (and molecular) hydrogen and helium at low intermediate impact energies. [D] . Edgu-Fry, Erge. 2003

机译：在低中间冲击能下，单电子捕获和电离涉及原子（和分子）氢和氦。
6. Electron impact ionization and multiphoton ionization of doped superfluid helium droplets: A comparison [O] . Yunteng He, Jie Zhang, Wei Kong -1

机译：掺杂超流氦滴的电子碰撞电离和多光子电离：比较
7. Electron-helium S-wave model benchmark calculations. II. Double ionization, single ionization with excitation, and double excitation [O] . Bartlett, P.L., Stelbovics, A.T. 2010

机译：电子氦S波模型基准计算。二。双电离，带激励的单电离和双激励
8. Experimental Observation of Oscillations Described by the Continuity Equations of Slightly Ionized Deuterium, Neon, and Helium Gas [R] . Roth, J. R. 1968

机译：微电离氘，氖和氦气连续性方程描述振荡的实验观察

Positron-impact single ionization of helium using the Faddeev-Merkuriev equations

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