Target-atom K-shell ionization by binary-encounter electrons

被引：7
|
作者：
Horvat, V [1 ]
Watson, RL
机构：
[1] Texas A&M Univ, Inst Cyclotron, College Stn, TX 77843 USA
[2] Texas A&M Univ, Dept Chem, College Stn, TX 77843 USA
来源：
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS | 2001年 / 34卷 / 05期
关键词：
D O I：
10.1088/0953-4075/34/5/307
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Spectra of Ka x-rays emitted from Cu atoms bombarded with 10 MeV u(-1) beams of Kr, Xe and Bi ions were measured with a curved crystal spectrometer. Large enhancements of the Ka diagram lines were observed and attributed to secondary ionization by photons and electrons. To explain these results quantitatively, contributions from binary-encounter electrons have been calculated by considering their production and transport as well as the effective cross section for target K-shell ionization by electron impact. The results are in good agreement with the measurements.
引用
收藏
页码：777 / 786
页数：10
相关论文
共 50 条
  • [31] DENSITY EFFECT IN K-SHELL IONIZATION BY ULTRA-RELATIVISTIC ELECTRONS
    KAMIYA, M
    KUWAKO, A
    ISHII, K
    MORITA, S
    OYAMADA, M
    PHYSICAL REVIEW A, 1980, 22 (02): : 413 - 420
  • [32] BINARY-ENCOUNTER CALCULATION WITH REALISTIC VELOCITY DISTRIBUTION OF TARGET ELECTRON
    LANGENBERG, A
    VANECK, J
    JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1978, 11 (08) : 1425 - 1434
  • [33] ASYMPTOTIC EXPRESSION FOR K-SHELL IONIZATION CROSS-SECTION WITH ELECTRONS
    KOLBENSTVEDT, H
    JOURNAL OF APPLIED PHYSICS, 1975, 46 (06) : 2771 - 2773
  • [34] DIFFERENTIAL CROSS-SECTION FOR K-SHELL IONIZATION BY RELATIVISTIC ELECTRONS
    KONAR, AN
    ACTA PHYSICA ACADEMIAE SCIENTIARUM HUNGARICAE, 1975, 38 (04): : 337 - 339
  • [35] IONIZATION OF CALCIUM K-SHELL UNDER ELECTRON-ATOM COLLISIONS
    SOLOMON, AM
    PISMA V ZHURNAL TEKHNICHESKOI FIZIKI, 1988, 14 (07): : 657 - 660
  • [36] K-shell ionization of atoms
    Uddin, MA
    Basak, AK
    PHYSICA SCRIPTA, 2003, 67 (01) : 37 - 43
  • [37] K-SHELL IONIZATION BY ANTIPROTONS
    MEHLER, G
    MULLER, B
    GREINER, W
    SOFF, G
    PHYSICAL REVIEW A, 1987, 36 (03): : 1454 - 1457
  • [38] K-SHELL IONIZATION BY PROTONS
    MESSELT, S
    NUCLEAR PHYSICS, 1958, 5 (03): : 435 - 446
  • [39] Atomic scattering factors for K-shell and L-shell ionization by fast electrons
    Oxley, MP
    Allen, LJ
    ACTA CRYSTALLOGRAPHICA SECTION A, 2000, 56 : 470 - 490
  • [40] ENERGY SHIFTS OF BINARY-ENCOUNTER ELECTRON PEAKS IN ION ATOM COLLISIONS
    GONZALEZ, AD
    DAHL, P
    HVELPLUND, P
    FAINSTEIN, PD
    JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1993, 26 (06) : L135 - L140
12345