[1] Fano U 1961 Phys. Rev. 124 1866

[2] Fano U and Cooper J W 1965 Phys. Rev. 138 A400

[3] Tanner G, Richter K and Rost J M 2000 Rev. Mod. Phys. 72
497

[4] Madden R P and Codling K 1963 Phys. Rev. Lett. 10 516

[5] Cooper J W, Fano U and Prats F 1963 Phys. Rev. Lett. 10
518

[6] Schulz K, Kaindl G, Domke M et al 1996 Phys. Rev.
Lett. 77 3086

[7] Liu X J, Zhu L F, Yuan Z S et al 2003 Phys. Rev.
Lett. 91 193203

[8] Zhong Z P, Wu S L, Feng R F et al 1997 Phys. Rev. A
55 3388

[9] Zhu L F, Cheng H D, Liu X J et al 2003 Chin. Phys.
Lett. 20 1718

[10] Wu S L, Zhong Z P, Feng R F et al 1995 Phys. Rev. A
51 4494

[11] Yuan Z S, Zhu L F, Liu X J et al 2002 Phys. Rev. A
66 062701

[12] Yuan Z S, Zhu L F, Liu X J et al 2002 Chin. Phys.
Lett. 19 495

[13] Yuan Z S, Sakai Y, Umeda N et al 2006 J. Phys. B 39
5097

[14] Codling K, Madden R P and Ederer D L 1967 Phys. Rev. 155
26

[15] Aleksandrov Y M, Gruzdev P F, Kozlov M G et al 1983
Opt. Spektrosk. 54 7 [Opt. Spectrosc. (USSR) 54 4 1983]

[16] Simpson J A, Mielczarek S R and Cooper J 1964 J. Opt.
Soc. Am. 54 269

[17] Simpson J A, Chamberlain G E and Mielczarek S R 1965
Phys. Rev. 139 A1039

[18] Brion C E and Olsen A R 1970 J. Phys. B 3 1020

[19] Chan W F, Cooper G, Guo X and Brion C E 1992 Phys. Rev. A
45 1420

[20] Fano U and Cooper J W 1965 Phys. Rev. 137 A1364

[21] Burke P G and Taylor K T 1975 J. Phys. B 8 2620

[22] Luke T M 1973 J. Phys. B 6 30

[23] Sewell K 1965 J. Opt. Soc. Am. 55 739

[24] Liu X J, Zhu L F, Jiang X M et al 2001 Rev. Sci.
Instrum. 72 3357

[25] Liu X J, Huang Y P, Zhu L F et al 2003 Nucl.
Instrum. Methods 508 448

[26] Cooper J W 1962 Phys. Rev. 128 681