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B →πη（′）, η（′）η（′） decays and NLO contributions in the pQCD approach＊
  • ISSN号：1674-1137
  • 期刊名称：《中国物理C：英文版》
  • 时间：0
  • 分类：O572.33[理学—粒子物理与原子核物理;理学—物理] U467.51[机械工程—车辆工程;交通运输工程—载运工具运用工程;交通运输工程—道路与铁道工程]
  • 作者机构：[1]Institute of Particle Physics, Huazhong Normal University, Wuhan 430079, China, [2]Key Laboratory of Quark & Lepton Physics, Ministry of Education, Wuhan 430079, China
  • 相关基金：Supported by National Natural Science Foundation of China （10735080, 11075059）
作者： 张志清[1], 刘新[1], 肖振军[1]
关键词： 微扰QCD, 辐射衰变, 混合角, 试验场, transition form factor, η-η＇ mixing scheme, radiative decays
中文摘要：

With the recent investigations of the gg-η (’) transition form factor and η-η’ mixing scheme,we present an updated study of the radiative decays J/ψ→η (’) γ in perturbative QCD.The decays are taken as a test ground for the gg-η (’) transition form factors and the η-η’ mixing scheme.The form factors are found to be working for glunic η’ production and the mixing angle is constrained to be φ=35.1°±0.8°.

英文摘要：

With the recent investigations of the g＊g＊-η（＇） transition form factor and mixing scheme, we present an updated study of the radiative decays J/ψ→η（＇）γ in perturbative QCD. The decays are taken as a test ground for the g＊g＊-η（＇） transition form factors and the η-η＇ mixing scheme. The form factors are found to be working for glunic η＇ production and the mixing angle is constrained to be φ = 35.1°±1 0.8°.

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期刊信息
  • 《中国物理C：英文版》
  • 中国科技核心期刊
  • 主管单位:中国科学院
  • 主办单位:中国物理学会 中国科学院高能物理研究所 中国科学院近代物理研究所
  • 主编：王贻芳
  • 地址：北京市玉泉路19号（乙）
  • 邮编：100049
  • 邮箱：cpc@mail.ihep.ac.cn
  • 电话：010-88235947
  • 国际标准刊号：ISSN：1674-1137
  • 国内统一刊号：ISSN：11-5641/O4
  • 邮发代号:2-522
  • 获奖情况:
  • 2000年获中国科学院优秀期刊评比一等奖,中国期刊方阵“双百”期刊
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  • 被引量:189