Momentum correlation of the final-state wavefunction for (e, 3e) collisions on helium

被引:0
作者
Zhang, SM [1 ]
机构
[1] W Anhui Univ, Dept Phys, Luan 237012, Peoples R China
来源
CHINESE PHYSICS | 2004年 / 13卷 / 04期
关键词
double ionization; (e; 3e); reaction; momentum correlation; first Born approximation;
D O I
暂无
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Based on our earlier paper, the momentum correlation of the four bodies in the final state is further considered for (e, 3e) processes on helium. A fivefold differential cross section (FDCS) for electron-impact double ionization of helium is calculated by use of the modified model for high incident energy (1-5.6keV). It has been found that the present results give a better description for the experimental data, as compared with the results of our earlier paper.
引用
收藏
页码:481 / 488
页数:8
相关论文
共 24 条
[1]   TRIPLY-DIFFERENTIAL CROSS-SECTIONS FOR IONIZATION OF HYDROGEN-ATOMS BY ELECTRONS AND POSITRONS [J].
BRAUNER, M ;
BRIGGS, JS ;
KLAR, H .
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1989, 22 (14) :2265-2287
[2]   CORRELATION EFFECTS IN ATOMS .I. HELIUM [J].
BYRON, FW ;
JOACHAIN, CJ .
PHYSICAL REVIEW, 1966, 146 (01) :1-&
[3]   Effective Sommerfeld parameters in the three-body Coulomb continuum problem [J].
Chen, ZJ ;
Shi, QC ;
Zhang, SM ;
Chen, J ;
Xu, KZ .
PHYSICAL REVIEW A, 1997, 56 (04) :R2514-R2517
[4]  
Chen ZJ, 1999, ACTA PHYS SIN-OV ED, V8, P331, DOI 10.1088/1004-423X/8/5/003
[5]  
Chen ZJ, 1998, ACTA PHYS SIN-OV ED, V7, P481, DOI 10.1088/1004-423X/7/7/001
[6]   Exchange and final channel screening effects in (e, 2e) processes [J].
Chen, ZJ ;
Xu, KZ .
CHINESE PHYSICS, 2001, 10 (04) :290-294
[7]  
Chen ZJ, 1998, ACTA PHYS SIN-OV ED, V7, P167
[8]  
DUGUET A, 1992, Z PHYS D, V23, P4383
[9]  
ElMarji B, 1997, J PHYS B-AT MOL OPT, V30, P3677, DOI 10.1088/0953-4075/30/16/007
[10]   WANNIER THEORY FOR DOUBLE PHOTOIONIZATION OF NOBLE-GASES [J].
HUETZ, A ;
SELLES, P ;
WAYMEL, D ;
MAZEAU, J .
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS, 1991, 24 (08) :1917-1933