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The momentum transfer dependence of the cross section for electron impact ionization of helium for (e,2e) process is investigated by use of BBK model and modified BBK model. The results of the present work are compared with experimental data. The structure of the cross section is analysed, and the effective shield is discussed in detail in the final state.
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Keywords:
- BBK model /
- triple differential cross section /
- momentum transfer
[1] Liu J B, Wang Y, Zhou Y J 2007 Chin. Phys. 16 72
[2] Brauner M , Briggs J S, Klar H 1989 J. Phys. B: At. Mol. Phys. 22 2265
[3] Zhang S M 2000 J. Phys. B: At. Mol. Phys. 33 3545
[4] Berakdar J, Briggs J S 1994 Phys. Rev. Lett. 72 3799
[5] Catoire F, Staicu-Casagrande E M, Nekkab M, Cappello C D, Bartschat K, Lahmam-Bennani A 2006 J. Phys. B 39 2827
[6] Stevenson M A, Lahmam B , Bray I, Fursa D V, Stelbovics A T, 2007 Phys. Rev. A 75 034701
[7] Yang H, Zhang S M, Wu X J 2009 Acta Phys. Sin. 58 6938(in Chinese) [杨欢, 张穗萌, 吴兴举 2009 物理学报 58 6938]
[8] DeHarak B A, Zhangjin Chen, Madison D H, Martin N L S 2007 J. Phys. B: At. Mol. Opt. Phys. 40 755
[9] DeHarak B A, Zhangjin Chen, Madison D H and Martin N L S 2005 J. Phys. B: At. Mol. Opt. Phys. 38 L145
[10] Ehrdardt H, Schulz M, Tekaat T, Willmann K 1969 Phys. Rev. Lett. 22 89
[11] Gao R J, Gei Z M 2010 Acta Phys. Sin. 59 1702 (in Chinese) [高瑞军, 葛自明 2010 物理学报 59 1702]
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[1] Liu J B, Wang Y, Zhou Y J 2007 Chin. Phys. 16 72
[2] Brauner M , Briggs J S, Klar H 1989 J. Phys. B: At. Mol. Phys. 22 2265
[3] Zhang S M 2000 J. Phys. B: At. Mol. Phys. 33 3545
[4] Berakdar J, Briggs J S 1994 Phys. Rev. Lett. 72 3799
[5] Catoire F, Staicu-Casagrande E M, Nekkab M, Cappello C D, Bartschat K, Lahmam-Bennani A 2006 J. Phys. B 39 2827
[6] Stevenson M A, Lahmam B , Bray I, Fursa D V, Stelbovics A T, 2007 Phys. Rev. A 75 034701
[7] Yang H, Zhang S M, Wu X J 2009 Acta Phys. Sin. 58 6938(in Chinese) [杨欢, 张穗萌, 吴兴举 2009 物理学报 58 6938]
[8] DeHarak B A, Zhangjin Chen, Madison D H, Martin N L S 2007 J. Phys. B: At. Mol. Opt. Phys. 40 755
[9] DeHarak B A, Zhangjin Chen, Madison D H and Martin N L S 2005 J. Phys. B: At. Mol. Opt. Phys. 38 L145
[10] Ehrdardt H, Schulz M, Tekaat T, Willmann K 1969 Phys. Rev. Lett. 22 89
[11] Gao R J, Gei Z M 2010 Acta Phys. Sin. 59 1702 (in Chinese) [高瑞军, 葛自明 2010 物理学报 59 1702]
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