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题名: Matrix elements of four-quark operators relevant to life time difference Delta Gamma(Bs) from QCD sum rules
作者: Huang, CS ;  Zhang, AL ;  Zhu, SL
刊名: EUROPEAN PHYSICAL JOURNAL C
出版日期: 2001
卷号: 21, 期号:2, 页码:313-318
关键词: TO-LEADING ORDER ;  4-QUARK OPERATORS ;  MESONS
学科分类: Physics
通讯作者: Huang, CS , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
部门归属: Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China; Univ Connecticut, Dept Phys, Storrs, CT 06269 USA
英文摘要: We extract the matrix elements of four-quark operators O-L,O-S relevant to the B-s and (B) over bar (s) life time difference from QCD sum rules. We find that the vacuum saturation approximation works reasonably well, i.e., within 10%. We discuss the implications of our results and compare them with a recent lattice QCD determination.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000171148700010
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/12730
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Huang, CS,Zhang, AL,Zhu, SL. Matrix elements of four-quark operators relevant to life time difference Delta Gamma(Bs) from QCD sum rules[J]. EUROPEAN PHYSICAL JOURNAL C,2001,21(2):313-318.
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