[1] Cornaggia C, Normand D and Morellec J 1992 J. Phys.
B 25 L415

[2] Iwamae A, Hishikawa A and Yamanouchi K 2000 J. Phys.
B 33 223

[3] Guo C L 2005 Phys. Rev. A 71 021405(R)

[4] Wu J, Zeng H P and Guo C L 2007 J. Phys. B 40
1095

[5] Lavancier J, Normand D, Cornaggia C, Morellec J and Liu H
X 1991 Phys. Rev. A 43 1461

[6] Ren H Z, Ma R, Chen J X, Li X, Yang H and Gong Q H 2003
J. Phys. B 36 2179

[7] Chen J X, Ma R, Ren H Z, Li X, Yang H and Gong Q H 2003
Chin. Phys. Lett. 20 1040

[8] Jiang H B, Wu C Y, Ma R, Huang J, Wang R H, Yang H and
Gong Q H 2005 Chem. Phys. Lett. 406 116

[9] Lin C D, Tong X M and Zhao Z X 2006 J. Mod. Opt.
53 21

[10] Alnaser A S, Maharjan C M, Tong X M, Ulrich B, Ranitovic
P, Shan B, Chang Z, Lin C D, Cocke C L and Litvinyuk I V 2007
Phys. Rev. A 71 031403(R)

[11] Voss S, Alnaser A S, Tong X M, Maharjan C, Ranitovic P,
Ulrich B, Shan B, Chang Z, Lin C D and Cocke C L 2004 J. Phys.
B 37 4239

[12] Krishnamurthi V, Nagesha K, Marathe V R and Mathur D 1991
Phys. Rev. A 44 5460

[13] Lablanquie P, Delwiche J, Hubin-Franskin M J, Nenner I,
Morin P, Ito K, Eland J H D, Robbe J M, Gandara G, Fournier J and
Fournier P G 1989 Phys. Rev. A 40 5673

[14] Mathur D, Krishnakumar E, Nagesha K, Marathe V R,
Krishna-murthi V, Rajgara F A and Raheja U T 1993 J. Phys. B
26 L141

[15] Rajput J and Safvan C P 2007 Phys. Rev. A 75
062709

[16] Eppink A T J B and Parker D H 1997 Rev. Sci.
Instrum. 68 3477

[17] Guo W, Zhu J Y, Wang B X, Wang Y Q and Wang L 2007
Chem. Phys. Lett. 448 173

[18] Schyja V, Lang T and Helm H 1998 Phys. Rev. A
57 3692

[19] Vrakking M J J 2001 Rev. Sci. Instrum. 72
4084

[20] Manzhos S and Loock H P 2003 Comput. Phys. Commun.
154 76

[21] Zhu J Y, Wang B X, Guo W, Wang Y Q and Wang L 2007
Chin. Phys. Lett. 24 1922

[22] Nibarger J P, Menon S V and Gibson G N 2001 Phys.
Rev. A 63 053406

[23] http://www.nist.gov/srd/

[24] Siegmann B, Werner U, Mann R, Kabachnik N M and Lutz H O
2000 Phys. Rev. A 62 022718

[25] Ben-Itzhak I, Ginther S G and Carnes K D 1993 Phys.
Rev. A 47 2827

[26] Schmidt M, Dobosz S, Meynadier P, D'Oliveira P, Normand
D, Charron E and Suzor-Weiner A 1999 Phys. Rev. A 60
4706