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The triple differential cross sections for electron impact ionization helium (e, 2e) reactions are calculated by use of the BBK and modified BBK model at different gun angles of incident electron energy 64.6 eV. The structures of the cross sections and the physical natures of these structures are discussed in detail. It is found that for the non-coplanar geometry, cross sections are determined by a variety of effects together and these effects are converted to each other under different conditions. Moreover, strong dynamical screening effect is observed in the final state of the perpendicular plane symmetric geometry.
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Keywords:
- BBK model /
- triple-differential cross section /
- non-coplanar geometry
[1] Brauner M, Briggs J S, Klar H 1989 J. Phys. B At. Mol. Phys. 22 2265
[2] Zhang S M 2000 J. Phys. B At. Mol. Phys. 33 3545
[3] Sun S Y, Jia X F, Shi W Q, Li X W 2008 Acta Phys. Sin. 57 3458 (in Chinese) [孙世艳, 贾祥富, 师文强, 李雄伟 2008 57 3458]
[4] Rescigno T N, Baertschy M, Isaacs W A, McCurdy C W 1999 Science 286 2474
[5] Bowring N J, Read F H, Murray A J 1999 J. Phys. B At. Mol. Opt. Phys. 32 L57
[6] Murray A J, Read F H 1993 J. Phys. B At. Mol. Opt. Phys. 26 L359
[7] Berakdar J, Briggs J S 1994 Phys. Rev. Lett. 72 3799
[8] Schulz M, Moshammer R, Fischer D, Kollmus H, Madison D H, Jones S, Ullrich J 2003 Nature 422 48
[9] Murray A J, Bowring N J, Read F H 2000 J. Phys. B At. Mol. Phys. 33 2859
[10] Saha H P 2011 J. Phys. B At. Mol. Opt. Phys. 44 065202
[11] Hargreaves L R, Stevenson M A, Lohmann B 2010 J. Phys. B At. Mol. Opt. Phys. 43 205202
[12] Nixon K L, Murray A J, Kaiser C 2010 J. Phys. B At. Mol. Opt. Phys. 43 085202
[13] Ren X, Senftleben A, Pfluger T, Dorn A, Colgan J, Pindzola M S, Al-Hagan O, Madison D H, Bray I, Fursa D V, Ullrich J 2010 Phys. Rev. A 82 032712
[14] Bray I, Fursa D V, Kadyrov A S, Stelbovics A T 2010 Phys. Rev. A 81 062704
[15] Yan S, Ma X, Zhang P, Xu S, Zhang S F, Zhu X L , Feng W T, Liu H P 2011 J. Phys. B At. Mol. Opt. Phys. 44 055202
[16] Ren X, Bray I, Fursa D V, Colgan J, Pindzola M S, Pfluger T, Senftleben A, Xu S, Dom A, Ullrich J 2011 Phys. Rev. A 83 052711
[17] Chen Z B, Yang H, Wu X J, Zhang S M 2011 Acta Phys. Sin. 60 063402 (in Chinese) [陈展斌, 杨欢, 吴兴举, 张穗萌 2011 60 063402]
[18] Zhang X, Whelan C T, Walters H R J 1990 J. Phys. B At. Mol. Opt. Phys. 23 L173
[19] Yang H, Xing L L, Zhang S M, Wu X J 2011 Acta Phys. Sin. 60 103402 (in Chinese) [杨欢, 刑玲玲, 张穗萌, 吴兴举 2011 60 103402]
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[1] Brauner M, Briggs J S, Klar H 1989 J. Phys. B At. Mol. Phys. 22 2265
[2] Zhang S M 2000 J. Phys. B At. Mol. Phys. 33 3545
[3] Sun S Y, Jia X F, Shi W Q, Li X W 2008 Acta Phys. Sin. 57 3458 (in Chinese) [孙世艳, 贾祥富, 师文强, 李雄伟 2008 57 3458]
[4] Rescigno T N, Baertschy M, Isaacs W A, McCurdy C W 1999 Science 286 2474
[5] Bowring N J, Read F H, Murray A J 1999 J. Phys. B At. Mol. Opt. Phys. 32 L57
[6] Murray A J, Read F H 1993 J. Phys. B At. Mol. Opt. Phys. 26 L359
[7] Berakdar J, Briggs J S 1994 Phys. Rev. Lett. 72 3799
[8] Schulz M, Moshammer R, Fischer D, Kollmus H, Madison D H, Jones S, Ullrich J 2003 Nature 422 48
[9] Murray A J, Bowring N J, Read F H 2000 J. Phys. B At. Mol. Phys. 33 2859
[10] Saha H P 2011 J. Phys. B At. Mol. Opt. Phys. 44 065202
[11] Hargreaves L R, Stevenson M A, Lohmann B 2010 J. Phys. B At. Mol. Opt. Phys. 43 205202
[12] Nixon K L, Murray A J, Kaiser C 2010 J. Phys. B At. Mol. Opt. Phys. 43 085202
[13] Ren X, Senftleben A, Pfluger T, Dorn A, Colgan J, Pindzola M S, Al-Hagan O, Madison D H, Bray I, Fursa D V, Ullrich J 2010 Phys. Rev. A 82 032712
[14] Bray I, Fursa D V, Kadyrov A S, Stelbovics A T 2010 Phys. Rev. A 81 062704
[15] Yan S, Ma X, Zhang P, Xu S, Zhang S F, Zhu X L , Feng W T, Liu H P 2011 J. Phys. B At. Mol. Opt. Phys. 44 055202
[16] Ren X, Bray I, Fursa D V, Colgan J, Pindzola M S, Pfluger T, Senftleben A, Xu S, Dom A, Ullrich J 2011 Phys. Rev. A 83 052711
[17] Chen Z B, Yang H, Wu X J, Zhang S M 2011 Acta Phys. Sin. 60 063402 (in Chinese) [陈展斌, 杨欢, 吴兴举, 张穗萌 2011 60 063402]
[18] Zhang X, Whelan C T, Walters H R J 1990 J. Phys. B At. Mol. Opt. Phys. 23 L173
[19] Yang H, Xing L L, Zhang S M, Wu X J 2011 Acta Phys. Sin. 60 103402 (in Chinese) [杨欢, 刑玲玲, 张穗萌, 吴兴举 2011 60 103402]
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