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Low-energy contributions of B(D)->pi form factor
Guo, XH; Guo, XH , ACAD SINICA,INST THEORET PHYS,POB 2735,BEIJING 100080,PEOPLES R CHINA.
1996
发表期刊COMMUNICATIONS IN THEORETICAL PHYSICS
ISSN0253-6102
卷号26期号:1页码:71-78
摘要We calculate low-energy contributions to the weak form factors of B(D) --> pi in the frameworks of heavy-light chiral perturbation theory (HLCPT) including vector meson effects. The calculation is done to the order 1/Lambda(csb)(3) in the expansion with respect to Lambda(csb) (Lambda(csb) is the chiral symmetry breaking scale) at O(1) in 1/m(Q) expansion and to 1/Lambda(csb)(2) at 1/m(Q). It is found that nonperturbative effects dominate B(D) --> pi form factors and the values are comparable with those from quark model approach.
部门归属ACAD SINICA,INST HIGH ENERGY PHYS,BEIJING 100039,PEOPLES R CHINA
关键词Quark Effective Theory Chiral Perturbation-theory Heavy-quark Power Corrections Wave-functions Decays Mesons Symmetry Realization Qcd
学科领域Physics
收录类别SCI
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/12604
专题理论物理所1978-2010年知识产出
通讯作者Guo, XH , ACAD SINICA,INST THEORET PHYS,POB 2735,BEIJING 100080,PEOPLES R CHINA.
推荐引用方式
GB/T 7714
Guo, XH,Guo, XH , ACAD SINICA,INST THEORET PHYS,POB 2735,BEIJING 100080,PEOPLES R CHINA.. Low-energy contributions of B(D)->pi form factor[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,1996,26(1):71-78.
APA Guo, XH,&Guo, XH , ACAD SINICA,INST THEORET PHYS,POB 2735,BEIJING 100080,PEOPLES R CHINA..(1996).Low-energy contributions of B(D)->pi form factor.COMMUNICATIONS IN THEORETICAL PHYSICS,26(1),71-78.
MLA Guo, XH,et al."Low-energy contributions of B(D)->pi form factor".COMMUNICATIONS IN THEORETICAL PHYSICS 26.1(1996):71-78.
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