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Form factor for B -> Dl(nu)over-tilde in the light-cone sum rules with chiral current correlator
Zuo F(左芬); Li ZH(李作宏); 黄涛(理); Zuo, F; Li, ZH; Huang, T
2006
发表期刊PHYSICS LETTERS B
卷号641期号:2页码:#REF!
通讯作者Huang, T (reprint author), Inst High Energy Phys, POB 918, Beijing 100049, Peoples R China.
文章类型Article
摘要Within the framework of QCD light-cone sum rules (LCSR), we calculate the form factor for B -> Dl (v) over tilde transitions with chiral current correlator. The resulting form factor depends on the distribution amplitude (DA) of the D-meson. We try to use three kinds of DA models of the D-meson. C In the velocity transfer region 1.14 < y < 1.59, which renders the operator product expansion (OPE) near light-cone x(2) = 0 go effectively, the yielding behavior of form factor is in agreement with that extracted from the data on B -> Dl (v) over tilde, within the error. In the large recoil region 1.35 < y < 1.59, the results are observed consistent with those of perturbative QCD (pQCD). The presented calculation can play a bridge role connecting those from the lattice QCD, heavy quark symmetry and pQCD to have an all-around understanding of B -> Dl (v) over tilde transitions. (c) 2006 Elsevier B.V. All rights reserved.
学科领域Physics
DOI10.1016/j.physletb.2006.07.039
收录类别SCI
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000241137400010
引用统计
被引频次:15[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/311005/226702
专题理论物理室
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Zuo F,Li ZH,Huang T,et al. Form factor for B -> Dl(nu)over-tilde in the light-cone sum rules with chiral current correlator[J]. PHYSICS LETTERS B,2006,641(2):#REF!.
APA 左芬,李作宏,黄涛,Zuo, F,Li, ZH,&Huang, T.(2006).Form factor for B -> Dl(nu)over-tilde in the light-cone sum rules with chiral current correlator.PHYSICS LETTERS B,641(2),#REF!.
MLA 左芬,et al."Form factor for B -> Dl(nu)over-tilde in the light-cone sum rules with chiral current correlator".PHYSICS LETTERS B 641.2(2006):#REF!.
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