Second Born approximation for the ionization of H2 by electron impact

被引:11
作者
Houamer, S [1 ]
Mansouri, A
Dal Cappello, C
Lahmam-Bennani, A
Elazzuzi, S
Moulay, M
Charpentier, I
机构
[1] Univ Ferhat Abbas, Fac Sci, Dept Phys, Setif, Algeria
[2] COMENA, CRNA, Algiers, Algeria
[3] Imag Lab Grenoble, LMC, F-38041 Grenoble 9, France
[4] Univ Paris 11, UMR 8625, LCAM, F-91405 Orsay, France
[5] Inst Phys, Lab Phys Mol & Collis, F-57078 Metz 3, France
关键词
D O I
10.1088/0953-4075/36/14/304
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
The second Born approximation is applied to study the (e, 2e) reaction for H-2 targets. The results of this approximation are compared to a new set of experimental data obtained at about 600 eV impact energy, as well as to previous experiments performed at larger (similar to4 keV) or smaller (250 eV) energy. Several single-centre wavefunctions are used to describe the initial state and excited states of the molecule. A generally good agreement is obtained with the experiments and with recent calculations.
引用
收藏
页码:3009 / 3024
页数:16
相关论文
共 30 条
  • [11] DESCRIPTION OF (E,2E) TRIPLY-DIFFERENTIAL CROSS-SECTIONS - SITUATION OF MOLECULAR TARGETS
    DALCAPPELLO, MC
    DALCAPPELLO, C
    TAVARD, C
    CHERID, M
    LAHMAMBENNANI, A
    DUGUET, A
    [J]. JOURNAL DE PHYSIQUE, 1989, 50 (02): : 207 - 217
  • [12] (E,2E) PROBE FOR HYDROGEN-MOLECULE WAVE-FUNCTIONS
    DEY, S
    MCCARTHY, IE
    TEUBNER, PJO
    WEIGOLD, E
    [J]. PHYSICAL REVIEW LETTERS, 1975, 34 (13) : 782 - 785
  • [13] A multidetection, multicoincidence spectrometer for (e,2e) and (e,3e) electron impact ionization measurements
    Duguet, A
    Lehmam-Bennani, A
    Lecas, M
    El Marji, B
    [J]. REVIEW OF SCIENTIFIC INSTRUMENTS, 1998, 69 (10) : 3524 - 3536
  • [14] DIFFERENTIAL CROSS-SECTIONS OF DIRECT SINGLE ELECTRON-IMPACT IONIZATION
    EHRHARDT, H
    JUNG, K
    KNOTH, G
    SCHLEMMER, P
    [J]. ZEITSCHRIFT FUR PHYSIK D-ATOMS MOLECULES AND CLUSTERS, 1986, 1 (01): : 3 - 32
  • [15] Convergent second-order calculations for simultaneous electron-impact ionization-excitation of helium
    Fang, YH
    Bartschat, K
    [J]. JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 2001, 34 (02) : L19 - L25
  • [16] SINGLE-CENTER WAVE FUNCTION FOR THE HYDROGEN MOLECULE
    HAGSTROM, S
    SHULL, H
    [J]. JOURNAL OF CHEMICAL PHYSICS, 1959, 30 (05) : 1314 - 1322
  • [18] ONE-CENTER EXPANSION OF MOLECULAR WAVE FUNCTION
    HUZINAGA, S
    [J]. PROGRESS OF THEORETICAL PHYSICS, 1956, 15 (05): : 501 - 507
  • [19] ONE-CENTER EXPANSION OF MOLECULAR WAVE FUNCTION .2. LOWER EXCITED STATES OF H-2
    HUZINAGA, S
    [J]. PROGRESS OF THEORETICAL PHYSICS, 1957, 17 (02): : 162 - 168
  • [20] ANGULAR-CORRELATION OF OUTGOING ELECTRONS FOLLOWING IONIZATION OF H2 AND N2 BY ELECTRON-IMPACT
    JUNG, K
    SCHUBERT, E
    PAUL, DAL
    EHRHARDT, H
    [J]. JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1975, 8 (08) : 1330 - 1337