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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
 |
| ISSN | 0253-6102 |
| 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SCI论文 |
| 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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