| Discussion on Cross Section Measurement for D^-D Production around ψ（3770） |
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| 作者姓名： | 赵明刚 喻纯旭 郭爱强 何振亚 |
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| 作者单位： | Department of Physics, Nankai University, Tianjin 300071 |
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| 基金项目： | Supported by the National Natural Science Foundation of China under Grant Nos 10775075 and 10835001. |
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| 摘 要： | We give a brief discussion on the measurement of the cross section for D^-D production around the ψ（3770） resonance, and point out a new calculation of the cross sections based on the absolute measurements. Compared with single tag and double tag analyses, the new calculation provides us with many more opportunities to perform the cross section measurement.
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| 关 键 词： | 断面测量 生产 截面测量 计算点 双标记 单标记 |
| 收稿时间： | 2010-04-13 |
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