Measurement of the total hadronic cross section in √s=2-5 GeV range at the BES

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作者
Zhu, YS [1 ]
机构
[1] Inst High Energy Phys, Beijing 100039, Peoples R China
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O412 [相对论、场论]; O572.2 [粒子物理学];
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摘要
We report R values at roots = 2.6, 3.2, 3.4, 3.55, 4.6, 5.0 GeV measured in 1998 by the upgraded Beijing Spectrometer (BESII) at Beijing Electron Positron Collider (BEPC), and the status of the finer R scan done with BESII in 1999.
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页码:512 / 515
页数:4
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