| Study on Bd → φKs Decay in EDQS Model |
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| 作者姓名： | WANG Shuai-Wei LI Gen-Quan YANG Xing-Qiang HUANG Jin-Shu |
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| 作者单位： | Department of Physics, Nanyang Normal University, Nanyang 473061, China |
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| 基金项目： | Supported by the Natural Science Foundation of Henan Province under Grant No. 092300410205 |
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| 摘 要： | We study Bd → φKs decay in extra down-type quarks （EDQS） model with a non-universal Z boson associated with flavor changing neutral currents （FCNCs） at the tree level. With the up-to-date experimental data of Br（Bd → φKs）, SCKs, and ACKs, we derive the bounds on the Z-b-s coupling parameter ｜Ubs ｜ and the new weak phase φ, using the constrained parameter spaces, we finally give predictions for Bd → φφ decay, which could be tested at the Fermilab Tevatron and the LHC-b experiments.
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| 关 键 词： | 衰减模型 实验数据 费米实验室 夸克衰变 相关模型 参数范围 参数空间 使用限制 |
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