K-shell electron capture from negative ions

被引：0
|
作者：
Alston, Steven [1 ,2 ]
机构：
[1] Institute of Physics and Astronomy, Århus University, DK-8000 Århus C, Denmark
[2] Physics Department, Pennsylvania State University, Wilkes-Barre Campus, Lehman, PA 18627, United States
来源：
Journal of Physics B: Atomic, Molecular and Optical Physics | 1995年 / 28卷 / 23期
关键词：
Ionization - Shells (structures) - Positive ions;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Electron capture from the K-shell of a negative ion by protons is considered by accounting for the interplay between the final channel-distorted projectile and off-shell electronic scattering motions using the distorted strong-potential Born approximation. The distorted motion accounts for the ionized state of the target core and the short-range shielding of the K-shell by the passive outer-shell electrons. Total cross sections versus incident energy are compared for the negative-ion, neutral, and singly-ionized forms of the second- and third-row elements C, O, F and Si, S, Cl. Target core neutrality and diffuseness of the negative-ion screening consistently lower the cross section by amounts ranging from 22 to 37% while the positive-ion results are larger by only 1 to 15%. Previous comparison with experiment and coupled-Sturmian- pseudostate results for neutrals has shown very good agreement. © 1995 IOP Publishing Ltd.
引用
收藏
页码：5127 / 5135
相关论文
共 50 条
  • [1] K-shell electron capture from negative ions
    Alston, S
    JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1995, 28 (23) : 5127 - 5135
  • [2] K-SHELL ELECTRON-CAPTURE AND IONIZATION FOR COLLISIONS OF FULLY STRIPPED IONS WITH NE
    FORD, AL
    READING, JF
    BECKER, RL
    BULLETIN OF THE AMERICAN PHYSICAL SOCIETY, 1979, 24 (09): : 1172 - 1173
  • [3] ELECTRON-CAPTURE BY PROTONS FROM THE K-SHELL OF H AND AR
    BELKIC, D
    SAINI, S
    TAYLOR, HS
    ZEITSCHRIFT FUR PHYSIK D-ATOMS MOLECULES AND CLUSTERS, 1986, 3 (01): : 59 - 67
  • [4] DOUBLE K-SHELL IONIZATION IN ELECTRON-CAPTURE DECAY
    INTEMANN, RL
    PHYSICAL REVIEW C, 1985, 31 (05): : 1961 - 1964
  • [5] POLARIZATION OF THE NUCLEUS BY CAPTURE OF POLARIZED NEGATIVE MUONS INTO THE MESONIC K-SHELL
    SHMUSHKEVICH, IM
    SOVIET PHYSICS JETP-USSR, 1959, 9 (03): : 673 - 674
  • [6] Resonant electron capture and recombination rates for O-like ions with K-shell excitation.
    Omar, G.
    Semeda, R.
    Shahin, F.
    MTPR-06: MODERN TRENDS IN PHYSICS RESEARCH, 2007, 888 : 18 - +
  • [7] K-SHELL EXCITATION IN 2-ELECTRON ATOMS AND IONS
    LORENTS, DC
    BULLETIN OF THE AMERICAN PHYSICAL SOCIETY, 1971, 16 (11): : 1350 - &
  • [8] INVESTIGATION OF K-SHELL ELECTRON-CAPTURE IN TB-158
    LOSECCO, J
    THOMAS, J
    DEJONGH, DF
    YIP, B
    GIMLETT, J
    ALTZITZOGLOU, T
    NAUMANN, R
    PHYSICAL REVIEW LETTERS, 1985, 54 (21) : 2317 - 2320
  • [9] Polarization and anisotropic emission of K-shell radiation from heavy few electron ions
    Thorn, D. B.
    Gumberidze, A.
    Trotsenko, S.
    Banas, D.
    Beyer, H.
    Bostock, C. J.
    Bray, I.
    Chen, W.
    DuBois, R.
    Fontes, C. J.
    Fritzsche, S.
    Fursa, D. V.
    Grisenti, R.
    Geyer, S.
    Hagmann, S.
    Hess, S.
    Hegewald, M.
    Kozhuharov, C.
    Maertin, R.
    Orban, I.
    Petridis, N.
    Reuschl, R.
    Simon, A.
    Spillmann, U.
    Surzhykov, A.
    Trassinelli, M.
    Weber, G.
    Winters, D. F. A.
    Winters, N.
    Zhang, H. L.
    Stoehlker, Th.
    CANADIAN JOURNAL OF PHYSICS, 2011, 89 (05) : 513 - 519
  • [10] PROBABILITIES FOR K-SHELL IONIZATION AND CAPTURE BY LIGHT-IONS - SCALING PROPERTIES
    HORSDALPEDERSEN, E
    NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH, 1983, 214 (01): : 65 - 71
12345