[1] Abe K et al (Belle collaboration) hep-ex/0507037

[2] Aubert B et al (BARBAR Collaboration) 2005 Phys. Rev. D
71 091102

[3] Huang C S and Zhu S H 2003 Phys. Rev. D 68 114020

Wu Y L and Zhou Y F 2004 Eur. Phys. J. C 36 89

Cheng J F, Huang C S and Wu X H 2004 Nucl. Phys. B 701 54

Dai Y B, Huang C S, Li W J and Wu X H 2004 Phys. Rev. D
70 116002

Khalil S 2004 Mod. Phys. Lett. A 19 2745

[4] Barger V, Chiang C W, Langacker P and Lee H S 2004 Phys.
Lett. B 580 186

[5] Abe F et al 1997 Phys. Rev. Lett. 79 2192

Erler J and Langacker P 1999 Phys. Lett. B 456 68

[6] Chaudhuri S, Chung S W, Hockney G and Lykken J 1995 Nucl.
Phys. B 456 89

Cleaver G, Cvetic M, Espinosa J R, Everett L L, Langacker P and Wang
J 1999 Phys. Rev. D 59 055005

Cvetic M, Shiu G and Uranga A M 2001 Phys. Rev. Lett.
87 201801

Cvetic M, Langacker P and Shiu G 2002 Phys. Rev. D 66
066004

[7] Durkin L S and Langacker P 1986 Phys. Lett. B 166 436

Langacker P and Luo M 1992 Phys. Rev. D 45 278

[8] Langacker P and Pl\"{umacher M 2000 Phys. Rev. D
62 013006

[9] Beneke M and Neubert M 2003 Nucl. Phys. B 675 333

Li X Q, Lu G R and Yang Y D 2004 High Energy Phys. Nucl.
Phys. 28 1248 (in Chinese)

[10] Buchalla G, Buras A J and Lautenbacher M E 1996 Rev.
Mod. Phys. 68 1125

[11] Gray A ee al (HPQCD Collaboration) 2005 Phys. Rev.
Lett. 95 212001

[12] Ball P and Zwicky R 2005 Phys. Rev. D 71 014029

[13] Yao W M et al 2006 J. Phys. G 33 1

[14] Barger V, Chiang C W, Langacker P and Lee H L 2004 Phys.
Lett. B 598 218