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Chang, CH; Chen, SL; Feng, TF; Li, XQ; Chang, CH , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China.
Study of the B-c-meson lifetime
发表期刊COMMUNICATIONS IN THEORETICAL PHYSICS
关键词p(p)Over-bar Collisions Root-s=1.8 Tev Heavy Mesons Weak Decays Beauty Spectroscopy Qcd
摘要We in terms of optical theorem estimate the lifetime of B-c meson with the parameters which are determined by fitting the data for the lifetimes and inclusive semileptonic decays of various B and D mesons. In the estimation, we find that the bound-state effects are important, and take them into account carefully in the framework which attributes the effects to the effective masses of the decay heavy quarks in the inclusive processes. We also find that to B, lifetime the penguin contribution is enhanced due to possible interference between the penguin and the 'tree part' c(1)O(1) + c(2)O(2).
2001
ISSN0253-6102
卷号35期号:1页码:57-60
学科领域Physics
收录类别SCI
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/12831
专题理论物理所科研产出_SCI论文
通讯作者Chang, CH , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China.
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GB/T 7714
Chang, CH,Chen, SL,Feng, TF,et al. Study of the B-c-meson lifetime[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2001,35(1):57-60.
APA Chang, CH,Chen, SL,Feng, TF,Li, XQ,&Chang, CH , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China..(2001).Study of the B-c-meson lifetime.COMMUNICATIONS IN THEORETICAL PHYSICS,35(1),57-60.
MLA Chang, CH,et al."Study of the B-c-meson lifetime".COMMUNICATIONS IN THEORETICAL PHYSICS 35.1(2001):57-60.
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