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题名: Low-energy contributions of B(D)->pi form factor
作者: Guo, XH
刊名: COMMUNICATIONS IN THEORETICAL PHYSICS
出版日期: 1996
卷号: 26, 期号:1, 页码:71-78
关键词: QUARK EFFECTIVE THEORY ;  CHIRAL PERTURBATION-THEORY ;  HEAVY-QUARK ;  POWER CORRECTIONS ;  WAVE-FUNCTIONS ;  DECAYS ;  MESONS ;  SYMMETRY ;  REALIZATION ;  QCD
学科分类: Physics
通讯作者: Guo, XH , ACAD SINICA,INST THEORET PHYS,POB 2735,BEIJING 100080,PEOPLES R CHINA.
部门归属: ACAD SINICA,INST HIGH ENERGY PHYS,BEIJING 100039,PEOPLES R CHINA
英文摘要: 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.
收录类别: SCI
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/12604
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:
Guo, XH. Low-energy contributions of B(D)->pi form factor[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,1996,26(1):71-78.
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