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大角度巴巴散射和双μ产生的研究与亮度测量

A Study of the Processes of e~+e~-→e~+e~-,μ~+μ~- at Large Angle and Measured Luminosities

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【作者】 白景芝陈光培陈宏芳陈少敏陈雅清陈宇陈元柏程宝森崔象宗丁慧良杜志珍范晓舲方建高翠山高美丽高树琦顾建辉顾树棣顾维新顾以藩过雅南韩世温韩缨何炬何瑁胡贵云胡涛胡晓庆黄德强黄因智姜春华金山金艳康书辉柯尊建赖元芬兰慧彬郎鹏飞李芳李金李佩琴李群李如柏李蔚李卫东李卫国李新华李小南林树子刘怀民刘靖刘经华刘琦刘荣光刘延刘晔刘振安吕军光鲁建业罗栓群罗勇马爱民马恩成马基茂毛慧顺毛泽普孟祥承倪蕙苓聂晶漆纳丁阙友昆荣刚邵毓莺沈本蔚沈定力沈红沈肖雁盛华义史焕章宋晓非孙舫孙汉生孙式军谈益平唐素秋童国梁王锋王临洲王灵淑王曼王佩良王平王少敏王泰杰王运永魏诚林席德明夏小米谢佩佩熊伟军徐德之许榕生徐芷菁薛生田谢昱颜洁严武光杨长友杨春敏杨杰杨蔚叶铭汉叶诗章叶树伟于传松喻纯旭郁忠强苑长征张炳云张长春张达华张会领张建张家文张霖张良生张少强张羽张月元赵棣新赵海文赵京伟赵萌赵平德赵维仁郑建平郑林生郑志鹏周光谱周化十周莉周小帆周月华朱启明祝玉灿朱永生庄保安

【Author】 Bai Jinzhi Chen Guangpei Chen Hongfang~1 Chen Shaoming Chen Yaqing Chen Yu Chen Yuanbai Cheng Baosen Cui Xiangzong Ding Huiliang Du Zhizhen Fan Xiaoling Fang Jian Gao Cuishan Gao Meili Gao Shuqi Gu Jianhui Gu Shudi Gu Weixing Gu Yifan Guo Yanan Han Shiweng Han Ying He Ju He Mao~2 Hu Guiyun Hu Tao Hu Xiaoqing Huang Deqiang Huang Yinzhi Jiang Chunhua Jin Shan Jin Yan Kang Shuhui Ke Zunjian Lai Yuanfen Lan Huibin Lang Pengfei Li Fang Li Jin Li Peiqin Li Qun Li Rubai Li Wei Li Weidong Li Weiguo Li Xinhua Li Xiaonan Lin Shuzi Liu Huaimin Liu Jing Liu Jinghua Liu Qi Liu Rongguang Liu Yan LiuYe Liu Zhenan Lü Junguang Lu Jianye Luo Shuanqun Luo Yong Ma Aimin Ma Encheng Ma Jimao Mao Huishun Mao Zepu Meng Xiangcheng Ni Huiling Nie Jing Qi Nading Que Youkun Rong Gang Shao Yuying Shen Benwei Shen Dingli Shen Hong Shen Xiaoyan Sheng Huayi Shi Huanzhang Song Xiaofei Sun Fang Sun Hansheng Sun Shijun Tan Yiping Tang Suqou Tong Guoliang Wang Feng Wang Linzhou Wang Lingshu Wang Man Wang Peiliang Wang Ping Wang Shaomin Wang Taijie Wang Yunyong Wei Chenglin Xi Deming Xia Xiaomi Xie Peipei Xiong Weijun Xu Dezhi Xu Rongsheng Xu Zhijing Xue Shengtian Xie Yu Yan Jie Yan Wuguang Yang Changyou Yang Chunmin Yang Jie Yang Wei Ye Minghan Ye Shizhang Ye Shuwei~1 Yu Chuansong Yu Chunxu Yu Zhongqiang Yuan Changzheng Zhang Bingyun Zhang Changchun Zhang Dahua Zhang Huiling Zhang Jian Zhang Jiawen Zhang Lin Zhang Liangsheng Zhang Shaoqiang Zhang Yu Zhang Yueyuan Zhao Dixin Zhao Haiwen Zhao Jingwei Zhao Meng Zhao Pingde Zhao Weiren Zheng Jianping Zheng Linsheng Zheng Zhipeng Zhou Guangpu Zhou Huashi Zhou Li Zhou Xiaofan Zhou Yuehua Zhu Qiming Zhu Yucan Zhu Yongsheng Zhuang Baoan (Institute of High Energy Physics,The Chinese Academy of Sciences,Beijing 100039)1(Department of Modem Physics,Unitersite of Science and Technology of China,Hefei 230026)2(Department of Physits,Shandong University,Jinan 250100)

【机构】 中国科学院高能物理研究所中国科学技术大学近代物理系山东大学物理系中国科学院高能物理研究所 北京 100039北京 100039合肥 230026济南 250100

【摘要】 利用北京谱仪(BES)在=4.03 GeV 下正负电子对撞数据,研究了巴巴和双μ事例的 QED 过程.结果表明,实验数据在误差范围内同 QED 预言较好地一致,且从 e+e-和μ+μ-末态测出的两个亮度值在4%范围内相互一致.计算给出:BES 在该能区获取数据的总积分亮度为23.1 pb-1.

【Abstract】 Using the BES data collected S1/2=4.03 GeV,the QED processes of e+e-→ e+e-+μ- have been studied.Our measurements agree with the QED prediction,and luminosities obtained from these two final states are compatible at a level of 4%. The total integrated luminosity of 23.1 pb-1 was given for all data collected at this en- ergy region from the calculation.

【关键词】 巴巴散射双μ产生亮度
【Key words】 Bhabha scatteringdi-muon productionluminosity
【基金】 国家自然科学基金资助(项目号19290400);中国科学院重大基础研究项目(KJ85)
  • 【文献出处】 高能物理与核物理 ,High Energy Physics and Nuclear Physics , 编辑部邮箱 ,1997年02期
  • 【分类号】O572.21
  • 【被引频次】1
  • 【下载频次】52
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