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Infrared divergence and twist-3 distribution amplitudes in QCD factorization1 for B -> PP
Du DS(杜东生); Yang DS(杨德山); Zhu GH(朱国怀); Du, DS; Yang, DH; Zhu, GH
2001
发表期刊PHYSICS LETTERS B
卷号509期号:3-4页码:#REF!
通讯作者Du, DS (reprint author), CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China.
文章类型Article
摘要Since b quark mass is not asymptotically large, chirally enhanced corrections which arise from twist-3 wave functions may be important in B decays. We thus evaluate the hadronic matrix elements with the final light pseudoscalar mesons described by leading twist and twist-3 distribution amplitudes. We find that chirally enhanced corrections can be included consistently in the framework of QCD factorization only if the twist-3 distribution amplitudes are symmetric. We then give explicit expressions of a(i)(p) for B --> pi pi at the next-to-leading order of alpha (s) including chirally enhanced corrections. We also briefly discuss the divergence appeared in the hard spectator contributions. (C) 2001 Published by Elsevier Science B.V.
学科领域Physics
DOI10.1016/S0370-2693(01)00398-7
收录类别SCI
WOS类目Physics, Multidisciplinary
WOS记录号WOS:000169426400010
引用统计
被引频次:27[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/311005/227281
专题理论物理室
推荐引用方式
GB/T 7714
Du DS,Yang DS,Zhu GH,et al. Infrared divergence and twist-3 distribution amplitudes in QCD factorization1 for B -> PP[J]. PHYSICS LETTERS B,2001,509(3-4):#REF!.
APA 杜东生,杨德山,朱国怀,Du, DS,Yang, DH,&Zhu, GH.(2001).Infrared divergence and twist-3 distribution amplitudes in QCD factorization1 for B -> PP.PHYSICS LETTERS B,509(3-4),#REF!.
MLA 杜东生,et al."Infrared divergence and twist-3 distribution amplitudes in QCD factorization1 for B -> PP".PHYSICS LETTERS B 509.3-4(2001):#REF!.
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