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Radiative corrections on the B -> P form factors with chiral current in the light-cone sum rules
Wu, XG; 黄涛(理); Huang, T
2009
发表期刊PHYSICAL REVIEW D
卷号79期号:3页码:34013
通讯作者[Wu, Xing-Gang] Chongqing Univ, Dept Phys, Chongqing 400030, Peoples R China ; [Huang, Tao] Chinese Acad Sci, Inst High Energy Phys & Theoret Phys, Ctr Sci Facil, Beijing 100049, Peoples R China
文章类型Article
摘要Based on the approach of the vector form factor F(B ->pi,K)(+)(q(2)) in our previous papers, we extend the calculation of the radiative corrections to the B -> P (P stands pi, K, and all light pseudoscalar mesons) scalar and tensor form factors F(B -> P)(0,T)(q(2)) with chiral current in the light-cone sum rules (LCSRs). The most uncertain twist-3 contributions to the B -> P form factors can be naturally eliminated through a properly designed correlator. We present the next-leading-order formulas of F(B -> P)(+,0,T)(q(2)) with the b-quark pole mass that is universal. It has been shown that our results are simpler and less uncertain under the same parameter regions since we only need to calculate the next-leading order on the twist-2 part from the obtained LCSR. Second, we obtain f(B ->pi)(+,0)(0)=0.260(-0.040)(+0.059), f(B ->pi)(T)(0)=0.276(-0.039)(+0.052), f(B -> K)(+,0)(0)=0.334(-0.069)(+0.094), and f(B -> K)(T)(0)=0.379(-0.077)(+0.092) at q(2)=0 and the SU(f)(3)-breaking effects are discussed too.
学科领域Astronomy & Astrophysics; Physics
研究领域[WOS]Astronomy & Astrophysics ; Physics ; Astronomy & Astrophysics ; Physics
DOI10.1103/PhysRevD.79.034013
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语种英语
研究领域[WOS]Astronomy & Astrophysics ; Physics ; Astronomy & Astrophysics ; Physics
WOS类目Astronomy & Astrophysics ; Physics, Particles & Fields
WOS记录号WOS:000263816600037
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被引频次:22[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/240548
专题理论物理室
作者单位中国科学院高能物理研究所
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Wu, XG,Huang T,Huang, T. Radiative corrections on the B -> P form factors with chiral current in the light-cone sum rules[J]. PHYSICAL REVIEW D,2009,79(3):34013.
APA Wu, XG,黄涛,&Huang, T.(2009).Radiative corrections on the B -> P form factors with chiral current in the light-cone sum rules.PHYSICAL REVIEW D,79(3),34013.
MLA Wu, XG,et al."Radiative corrections on the B -> P form factors with chiral current in the light-cone sum rules".PHYSICAL REVIEW D 79.3(2009):34013.
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