Non-factorization contributions in D -> pi K, K K decay
Wu, XY; Zhang, BJ; Li, HB; Liu, XJ; Liu, B; Li, JW; Guo, YQ; Guo YQ(郭义庆)
刊名PHYSICS LETTERS B
2009
卷号675期号:2页码:#REF!
关键词Non-factorization Nonleptonic decays Soft gluon effect
学科分类Physics
DOI10.1016/j.physletb.2009.04.006
通讯作者Wu, XY (reprint author), Jilin Normal Univ, Inst Phys, Siping 136000, Peoples R China.
文章类型Article
英文摘要We have analyzed the D -> pi K, K K decay with the naive factorization (NF), QCD factorization (QCDF) and QCD factorization including soft-gluon exchanges (QCDF + SGE). In these decay channels, the softgluon effects are firstly calculated with light cone QCD sum rules. Comparing the three kind approaches, we can find the calculation results have made Much more improved QCD factorization (QCDF) than the naive factorization (NF), and the calculation results have also made improved QCD factorization including soft-gluon exchanges (QCDF + SGE) than the QCD factorization (QCDF) in the color-suppressed decay channels. In addition, we find the soft-gluon effects are larger than the leading order contributions, and the calculation results are close to the experimental data for the color-suppressed decay channels. In color-allowed decay channel D-0 -> pi K-+(-), the soft-gluon effects are small and we should consider other power terms, such as final state interaction and annihilation effects. (C) 2009 Elsevier B.V. All rights reserved.
类目[WOS]Physics, Multidisciplinary
收录类别SCI
WOS记录号WOS:000266131900009
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被引频次:1[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/311005/226861
专题中国科学院高能物理研究所_粒子天体物理中心_期刊论文
中国科学院高能物理研究所_粒子天体物理中心
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Wu, XY,Zhang, BJ,Li, HB,et al. Non-factorization contributions in D -> pi K, K K decay[J]. PHYSICS LETTERS B,2009,675(2):#REF!.
APA Wu, XY.,Zhang, BJ.,Li, HB.,Liu, XJ.,Liu, B.,...&郭义庆.(2009).Non-factorization contributions in D -> pi K, K K decay.PHYSICS LETTERS B,675(2),#REF!.
MLA Wu, XY,et al."Non-factorization contributions in D -> pi K, K K decay".PHYSICS LETTERS B 675.2(2009):#REF!.
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