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Abstract:
We analyze the B→KK decays with the soft-gluon corrections by using the QCD light-cone sum rules(LCSR) .Although one can calculate the leading order factorization parts and the radiative corrections from hard-gluon exchanges at a, order in QCD factorization approach,it is worthwhile to estimate the nonfactorizable soft-gluon contributions from all the tree and penguin diagrams systematically. Our results show that the soft-gluon effects always decrease the branching ratios and give a few percentage corrections at most in the B→KK decays.
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References
[1]
|
Khodjamirian A.Nucl. Phys., 2001, B 605:558 2 Beneke M, Buchalla G, Neubert M et al. Phys. Rev. Letter., 1999, B 83:1914;Nucl. Phys.,2000,B 591:313 3 WU Xiang-Yao, LI Zuo-Hong, CUI Jian-Ying. Chin. Phys. Lett., 2002,11: 1596 4 Buchalla G, Buras A J, Lautenbacher M E. Rev. Mod. Phys., 1996,68: 11255 Ball P. JHEP, 1998, 9809: 0056 HUANG Tao, LI Zuo-Hong, WU Xiang-Yao. Phys. Rev., 2001, D 63: 0940O1 7 ZHANG Dong,XIAO Zhen-Jun, LI Chong-Sheng. Phys. Rev., 2001, D64:014014 8 Beneke M, Buchalla G, Neubert M. et al. Nucl. Phys., 2001, B 606:245; Ali A, Kramer G, Lu C D. Phys. Rev., 1998, D 58 : 094009 |
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[1] |
LIU Chang-Long
, LU Yi-Ying
, YIN LI
. Effects of Additional Vacancy-Like Defects Produced by Ion Impealations on Boron Thermal Diffusion in Silicon. Chinese Physics C,
2005, 29(11): 1107-1111. |
[2] |
SHEN Shui-Fa
, YU Xiao-Han
. Decay of 83Sr and Discussion of Its Daughter's Band Structures. Chinese Physics C,
2004, 28(S1): 78-80. |
[3] |
Guo Hua
. In-medium QMC Model Parameters and Quark Condensation in Nuclear Matter. Chinese Physics C,
1999, 23(5): 459-468. |
[4] |
Yang Jianjun
, Ma Boqiang
, Li Guanglie
. Non-perturbative Quark Propagator and the Study of the Non-trivial Q2 Dependence in the Nucleon Structure Functions. Chinese Physics C,
1997, 21(2): 146-156. |
[5] |
Yu Hong
, Shen Qixing
, Zhang Lin
. Angular Distribution of Process e+e-→τ+τ-,τ-→a1υτ,a1→ρπ and Characteristics of a1 Meson. Chinese Physics C,
1994, 18(7): 583-590. |
[6] |
BES Collaboration
. Experimental Study of Resonance f2(1270) in the J/ψ Hadronic Decay. Chinese Physics C,
1993, 17(2): 97-106. |
[7] |
SANG Jian-Ping
, LIU Chao-Shan
, LIU Yong
. Relation Between the Gap at Z=64 Subshell and the Abrupt Transition in the Region N=88~90. Chinese Physics C,
1991, 15(2): 150-157. |
[8] |
HOU Ren-Chang
, ZHAO Xuan
. QUADRUPOLE-OCTUPOLE TWO-PHONON EXCITATIONS IN INELASTIC SCATTERING. Chinese Physics C,
1983, 7(2): 236-244. |
[9] |
Sa Ben-hao
, Zhang Xi-zhen
, Li Zhu-xia
, Shi Yi-jin
. A PRIMARY RESEARCH OF THE PHONON RENORMALIZATION OF NUCLEAR FIELD THEORY. Chinese Physics C,
1980, 4(3): 398-400. |
-
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