The effect of dynamical screening on helium (e, 3e) differential cross-sections

被引：19
|
作者：
Götz, JR
Walter, M
Briggs, JS
机构：
[1] Univ Freiburg, Inst Phys, D-79104 Freiburg, Germany
[2] Univ Jyvaskyla, FIN-40014 Jyvaskyla, Finland
来源：
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS | 2005年 / 38卷 / 10期
关键词：
D O I：
10.1088/0953-4075/38/10/014
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A simplified derivation of dynamic screening in the case of three Coulomb-interacting particles in the continuum is given and applied to describe the shapes of multi-differential cross-sections for the (e, 3e) process on the helium atom in which the incident fast electron is treated in first-order Born approximation. A very good agreement with experimental multi-differential cross-sections is obtained for two slow ejected electrons (specifically both electrons have 5 eV) but the strategy appears to be breaking down at intermediate emission energies.
引用
收藏
页码：1569 / 1579
页数：11
相关论文
共 50 条
  • [41] (e,3e) on helium:: Complete pictures in momentum space
    Dorn, A
    Najjari, B
    Sakhelashvili, G
    Höhr, C
    Schröter, CD
    Moshammer, R
    Ullrich, J
    Kheifets, A
    Dubois, RD
    PHOTONIC, ELECTRONIC AND ATOMIC COLLISIONS, 2002, : 423 - 428
  • [42] Studies on differential cross-sections of e-N2 scattering
    Dai, Wei
    Sun, Weiguo
    Feng, Hao
    Tang, Yongjian
    MOLECULAR PHYSICS, 2007, 105 (23-24) : 2935 - 2944
  • [43] INTERFERENCE EFFECTS IN (E,2E)-DIFFERENTIAL CROSS-SECTIONS IN DOUBLY SYMMETRICAL GEOMETRY
    BERAKDAR, J
    BRIGGS, JS
    JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1994, 27 (18) : 4271 - 4280
  • [44] Triple differential cross-sections for near threshold (e, 2e) process for hydrogen
    M. K. Srivastava
    R. K. Chauhan
    Pramana, 2004, 62 : 1073 - 1082
  • [45] Triple differential cross-sections for near threshold (e, 2e) process for hydrogen
    Srivastava, MK
    Chauhan, RK
    PRAMANA-JOURNAL OF PHYSICS, 2004, 62 (05): : 1073 - 1082
  • [46] EVOLUTION FROM THE COPLANAR TO THE PERPENDICULAR PLANE GEOMETRY OF HELIUM (E,2E) DIFFERENTIAL CROSS-SECTIONS SYMMETRICAL IN SCATTERING ANGLE AND ENERGY
    MURRAY, AJ
    READ, FH
    PHYSICAL REVIEW A, 1993, 47 (05): : 3724 - 3732
  • [47] Identification of higher order contributions in three-dimensional (e,2e) cross-sections for helium
    Dorn, A.
    Duerr, A.
    Najjari, B.
    Haag, N.
    Dimopoulou, C.
    Nandi, D.
    Ullrich, J.
    JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA, 2007, 161 (1-3) : 2 - 5
  • [48] Dynamics of the double-ionization process from (e,3e) experiments: II. Fivefold differential cross sections for neon
    Schroter, C
    El Marji, B
    Lahmam-Bennani, A
    Duguet, A
    Lecas, M
    Spielberger, L
    JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1998, 31 (01) : 131 - 143
  • [49] Bessel beam double ionisation (e, 3e) of Helium atoms
    Bagul, Vijay
    Singh, Prithvi
    PHYSICS LETTERS A, 2023, 487
  • [50] Double-excitation processes: (e,2e) and (e,3e) on helium
    Rasch, J
    Walters, HRJ
    Marchalant, PJ
    Whelan, CT
    Madison, DH
    PHOTONIC, ELECTRONIC AND ATOMIC COLLISIONS, 2002, : 448 - 459
12345