A Simply Modified Single Pole Scenario For B → K^* Form Factors |
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引用本文: | 刘少敏,金洪英.A Simply Modified Single Pole Scenario For B → K^* Form Factors[J].中国物理快报,2008,25(7):2421-2424. |
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作者姓名: | 刘少敏 金洪英 |
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作者单位: | Department of Physics, Zhejiang University, Hangzhou 310027 |
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基金项目: | Supported by the National Natural Science Foundation of China under Grant No 10775117. |
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摘 要: | We revisit the form factors of B → K^* by using the heavy quark limit and large energy limit, assuming that the form factors have single pole forms near the zero recoil. The deviation from the single pole model is taken into account by adding a term proportional to (v. v′ - 1)2. On the other hand, we require the form factors to obey tile large recoil symmetry relationships when v . v′ becomes very large. A self-consistent set of B → K^* form factors is found. This set of form factors is checked to be consistent with the experimental data aboutB → K^*U modes.
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关 键 词: | 重夸克 量子场 量子理论 极点 |
收稿时间: | 2008-5-6 |
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