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D介子稀有衰变研究(英文)

Search for Rare Decays of Charmed D Mesons

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【作者】 阿布里克木·麦迪娜白景芝班勇卞建国蔡啸陈海璇陈和生陈宏芳陈江川陈进陈元柏迟少鹏初元萍崔象宗戴又善邓子艳董燎原董清风杜书先杜志珍方建房双世傅成栋高翠山高原宁顾树棣顾运厅过雅南郭义庆何康林何瑁衡月昆胡海明胡涛黄光顺黄性涛黄秀萍季晓斌江晓山焦健斌金大鹏金山金毅赖元芬李刚李海波李会红李金李仁英李树敏李卫东李卫国李晓玲李学潜黎元柳梁勇飞廖红波刘春秀刘芳刘峰刘怀民刘汇慧刘建北刘晶刘觉平刘荣光刘振安鲁公儒吕峰吕海江吕军光罗成林马凤才马海龙马连良马秋梅马续波毛泽普莫晓虎聂晶彭海平漆纳丁秦虎邱进发任震宇荣刚单连友尚雷沈定力沈肖雁盛华义石峰史欣孙汉生孙俊峰孙胜森孙永昭孙志嘉谭振强唐晓田雨润童国梁王大勇王岚王灵淑王曼王佩良王平王文峰王贻芳王喆王铮王征王至勇魏诚林魏代会吴宁夏小米谢小希辛波许国发徐晔阎沐霖杨帆杨洪勋杨杰杨永栩叶铭汉叶云秀易智勇俞国威苑长征袁建明袁野臧石磊曾瑜曾云张丙新张炳云张长春张达华章红宇张建勇张家文张勤俭张晓梅张学尧张一云张志清张子平赵棣新赵京伟赵明刚赵平平赵维仁赵政国郑汉青郑建平郑志鹏周莉周能锋朱科军朱启明朱莹春朱永生祝玉灿朱自安庄保安庄胥爱邹冰松

【Author】 BES Collaboration ABLIKIM Medina BAI Jing-Zhi BAN Yong BIAN Jian-Guo CAI Xiao CHEN Hai-Xuan CHEN He-Sheng CHEN Hong-Fang CHEN Jiang-Chuan CHEN Jin CHEN Yuan-Bo CHI Shao-Peng CHU Yuan-Ping CUI Xiang-Zong DAI You-Shan DENG Zi-Yan DONG Liao-Yuan DONG Qing-Feng DU Shu-Xian DU Zhi-Zhen FANG Jian FANG Shuang-Shi FU Cheng-Dong GAO Cui-Shan GAO Yuan-Ning GU Shu-Di GU Yun-Ting GUO Ya-Nan GUO Yi-Qing HE Kang-Lin HE Mao HENG Yue-Kun HU Hai-Ming HU Tao HUANG Guang-Shun HUANG Xing-Tao HUANG Xiu-Ping JI Xiao-Bin JIANG Xiao-Shan JIAO Jian-Bin JIN Da-Peng JIN Shan JIN Yi LAI Yuan-Fen LI Gang LI Hai-Bo LI Hui-Hong LI Jin LI Ren-Ying LI Shu-Min LI Wei-Dong LI Wei-Guo LI Xiao-Ling LI Xue-Qian LI Yuan-Liu LIANG Yong-Fei LIAO Hong-Bo LIU Chun-Xiu LIU Fang LIU Feng LIU Huai-Min LIU Hui-Hui LIU Jian-Bei LIU Jing LIU Jue-Ping LIU Rong-Guang LIU Zhen-An LU Gong-Ru LU Feng LU Hai-Jiang L(U|¨) Jun-Guang LUO Cheng-Lin MA Feng-Cai MA Hai-Long MA Lian-Liang MA Qiu-Mei MA Xu-Bo MAO Ze-Pu MO Xiao-Hu NIE Jing PENG Hai-Ping QI Na-Ding QIN Hu QIU Jin-Fa REN Zhen-Yu RONG Gang SHAN Lian-You SHANG Lei SHEN Ding-Li SHEN Xiao-Yan SHENG Hua-Yi SHI Feng SHI Xin SUN Han-Sheng SUN Jun-Feng SUN Sheng-Sen SUN Yong-Zhao SUN Zhi-Jia TAN Zhen-Qiang TANG Xiao TIAN Yu-Run TONG Guo-Liang WANG Da-Yong WANG Lan WANG Ling-Shu WANG Man WANG Pei-Liang WANG Ping WANG Wen-Feng WANG Yi-Fang WANG Zhe WANG Zheng WANG Zheng WANG Zhi-Yong WEI Cheng-Lin WEI Dai-Hui WU Ning XIA Xiao-Mi XIE Xiao-Xi XIN Bo XU Guo-Fa XU Ye YAN Mu-Lin YANG Fan YANG Hong-Xun YANG Jie YANG Yong-Xu YE Ming-Han YE Yun-Xiu YI Zhi-Yong YU Guo-Wei YUAN Chang-Zheng YUAN Jian-Ming YUAN Ye ZANG Shi-Lei ZENG Yu ZENG Yun ZHANG Bing-Xin ZHANG Bing-Yun ZHANG Chang-Chun ZHANG Da-Hua ZHANG Hong-Yu ZHANG Jian-Yong ZHANG Jia-Wen ZHANG Qin-Jian ZHANG Xiao-Mei ZHANG Xue-Yao ZHANG Yi-Yun ZHANG Zhi-Qing ZHANG Zi-Ping ZHAO Di-Xin ZHAO Jing-Wei ZHAO Ming-Gang ZHAO Ping-Ping ZHAO Wei-Ren ZHAO Zheng-Guo ZHENG Han-Qing ZHENG Jian-Ping ZHENG Zhi-Peng ZHOU Li ZHOU Neng-Feng ZHU Ke-Jun ZHU Qi-Ming ZHU Ying-Chun ZHU Yong-Sheng ZHU Yu-Can ZHU Zi-An ZHUANG Bao-An ZHUANG Xu-Ai ZOU Bing-Song Iowa State University, Ames, IA 50011-3160, USA Purdue University, West Lafayette, IN 47907, USA Cornell University, Ithaca, NY 14853, USA Laboratoire de l’Accélératear Linéaire, F-91898 Orsay, Prance University of Michigan, Ann Arbor, MI 48109, USA DESY, D-22607, Hamburg, Germany (Institute of High Energy Physics, CAS, Beijing 100049, China) (Department of Modern Physics, University of Science and Technology of China, Hefei 230026 , China) (Department of Physics, Shandong University, Jinan 250100, China) (Department of Physics, Zhejiang University, Hangzhou 310028, China) (School of Physics, Peking University, Beijing 100871, China) (Department of Particle Physics, Huazhong Normal University, Wuhan 430079, China) (China Center for Advanced Science and Technology(CCAST), Beijing 100080, China) (College of Physics, Nankai University, Tianjin 300071, China) (College of Physics and Information Engineering, Henan Normal University, Xinxiang 453002, China) (College of Physics and Electronic Information, Wuhan University, Wuhan 430072, China) (Department of Applied Physics, Hunan University, Changsha 410082, China) (Department of Physics, Liaoning University, Shenyang 110036, China) (Department of Physics, Sichuan University, Chengdu 610064, China) (Center of High Energy Physics, Tsinghua University, Beijing 100084, China) (Department of Physics and Electronic Science, Guangxi Normal University, Guilin 541004, China) (Department of Physics, Nanjing Normal University, Nanjing 210097, China) (College of Physics Science and Technology, Guangxi University, Nanning 530004, China)

【机构】 BES合作组中国科学院高能物理研究所北京大学物理学院中国科学技术大学近代物理系中国高等科学技术中心浙江大学物理系清华大学高能物理中心广西大学物理科学与工程技术学院山东大学物理系辽宁大学物理系南开大学物理学院四川大学物理系华中师范大学粒子物理研究所武汉大学物理与电子信息学院河南师范大学物理与信息工程学院南京师范大学物理系广西师范大学物理与电子科学系湖南大学应用物理系中国科学院高能物理研究所 北京 100049北京 100049北京 100871合肥 230026北京 100080杭州 310028北京 100084南宁 530004济南 250100沈阳 110036天津 300071成都 610064武汉 430079武汉 430072新乡 453002南京 210097桂林 541004长沙 410082新乡453002

【摘要】 利用工作在北京正负电子对撞机(BEPC)上的北京谱仪(BES)收集到的33pb-1的Ψ(3770)数据,寻找D 介子味道改变中性流(FCNC)和轻子数不守恒(LNV)的稀有衰变,包括4个D0介子的衰变模式(K-0e+e-,φe+e-, ρ0e+e-和K-*0e+e-)和6个D+介子的衰变模式(K-e+e-,K+e+e-,π-e+e+,π+e+e-,K*-e+e+和K*+e+e-).没有发现信号,给出90%置信水平的上限.其中,D+介子的两个衰变模式D+→K*-e+e+和D+→K*+e+e-的上限是首次测量.

【Abstract】 A search for flavor changing neutral current (FCNC) and lepton number violation (LNV) decays of charmed D mesons is performed using 33pb-1 data around Ψ(3770) collected by BES Ⅱ detector at BEPC. Four decay modes of D0(K-0e+e-,φe+e-,ρ0e+e- and K-*0e+e-) and six decay modes of D+(K-e+e+, K+e+e-,π-e+e+, π+e+e-, K*- e+e+ and K*+e+e-) are presented. No evidence is found for the above decays, therefore, the upper limits at 90% confidence level are set. The limits of two D+ decays modes, D+→K*-e+e+和D+→K*+e+e- have not been reported previously.

【关键词】 稀有衰变D介子上限
【Key words】 rare decayD mesonupper limit
【基金】 国家自然科学基金(10491300,10225522,10225524,10225525,10425525)中国科学院“九五”重大及特别支持项目(KJ95T-03)中国科学院“百人计划”基金(U-11,U-24,U-25)中国科学院如识创新基金(U-602,U-34)资助~~
  • 【文献出处】 高能物理与核物理 ,High Energy Physics and Nuclear Physics , 编辑部邮箱 ,2006年03期
  • 【分类号】O572.33
  • 【被引频次】1
  • 【下载频次】338
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