Positron-impact direct ionization of lithium, sodium and potassium atoms

被引:2
|
作者
Utamuratov, R. [1 ,2 ]
Fursa, D., V [1 ,2 ]
Kadyrov, A. S. [1 ,2 ]
Campeanu, R., I [3 ]
Bray, I [1 ,2 ]
McEachran, R. P. [4 ]
机构
[1] Curtin Univ, Curtin Inst Computat, Perth, WA 6102, Australia
[2] Curtin Univ, Dept Phys & Astron, Perth, WA 6102, Australia
[3] York Univ, Dept Phys & Astron, Toronto, ON M3J 1P3, Canada
[4] Australian Natl Univ, Laser Phys Ctr, RSP, Canberra, ACT 0200, Australia
来源
EUROPEAN PHYSICAL JOURNAL D | 2021年 / 75卷 / 10期
基金
加拿大自然科学与工程研究理事会; 澳大利亚研究理事会;
关键词
CROSS-SECTIONS; ELECTRON-IMPACT; SCATTERING;
D O I
10.1140/epjd/s10053-021-00256-8
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The distorted-wave and convergent close-coupling approaches are applied to positron-impact direct ionization of Li, Na and K. We find reasonable agreement between different theoretical approaches at higher energies; however, some significant discrepancies are identified at low energies. Future experimental measurements are encouraged to check for accuracy of the presented theoretical predictions.
引用
收藏
页数:5
相关论文
共 50 条
  • [31] Positron-impact ionization and positronium formation from helium
    Murtagh, DJ
    Szluinska, M
    Moxom, J
    Van Reeth, P
    Laricchia, G
    JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 2005, 38 (21) : 3857 - 3866
  • [32] Theoretical threshold law of positron-impact ionization of He
    Kuo, Tien-Yow
    Sun, Hsiao-Ling
    Huang, Keh-Ning
    Physical Review A - Atomic, Molecular, and Optical Physics, 2003, 67 (01): : 1 - 012705
  • [33] IONIZATION OF HYDROGEN BY POSITRON-IMPACT NEAR THE FRAGMENTATION THRESHOLD
    ROST, JM
    HELLER, EJ
    PHYSICAL REVIEW A, 1994, 49 (06): : R4289 - R4292
  • [34] The effect of target representation in positron-impact ionization of molecular hydrogen
    Campeanu, RI
    Chis, V
    Nagy, L
    Stauffer, AD
    PHYSICS LETTERS A, 2003, 310 (5-6) : 445 - 450
  • [35] Relativistic cross sections of positron-impact ionization of heliumlike ions
    Kuo, Tien-Yow
    Huang, Keh-Ning
    Physical Review A. Atomic, Molecular, and Optical Physics, 2001, 64 (06): : 1 - 062711
  • [36] Near-threshold positron-impact ionization of atomic hydrogen
    Kadyrov, A. S.
    Bray, I.
    Stelbovics, A. T.
    PHYSICAL REVIEW LETTERS, 2007, 98 (26)
  • [37] Dynamics of Positron Scattering from Lithium, Sodium and Potassium Atoms in Quantum Plasmas
    Nirvik Masanta
    Arijit Ghoshal
    Few-Body Systems, 2021, 62
  • [38] Dynamics of Positron Scattering from Lithium, Sodium and Potassium Atoms in Quantum Plasmas
    Masanta, Nirvik
    Ghoshal, Arijit
    FEW-BODY SYSTEMS, 2021, 62 (04)
  • [39] Laser-assisted positron-impact ionization of atomic hydrogen
    Pan, Juan
    Li, Shu-Min
    Berakdar, Jamal
    OPTICS LETTERS, 2007, 32 (06) : 585 - 587
  • [40] Relativistic cross sections of positron-impact ionization of heliumlike ions
    Kuo, TY
    Huang, KN
    PHYSICAL REVIEW A, 2001, 64 (06):