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Determination of the number of ψ' events at BES Ⅲ

Chinese Physics C 2013年第6期37卷 1-11页

作者：麦迪娜 M.N.Achasovs O.albayrak D.J.Ambrose 安芬芬安琪白景芝班勇 J.Becker J.V.Bennett N.Berger M.Bertani 边渐鸣 E.Boger O.Bondarenko I.Boyko R.A.Briere V.Bytev 蔡啸 O.Cakir A.Calcaterra 曹国富 S.A.Cetin 常劲帆 G.Chelkov 陈刚陈和生陈江川陈玛丽陈申见谌勋陈元柏程和平初元萍 D.Cronin-Hennessy 代洪亮代建平 D.Dedovich 邓子艳 A.Denig I.Denysenko M.Destefanis 丁伟民丁勇董燎原董明义杜书先方建房双世 L.Fava 封常青 R.B.Ferroli P.Friedel 傅成栋高原宁耿聪 K.Goetzen 龚文煊 W.Gradl M.Greco 顾旻皓顾运厅管颖慧郭爱强郭立波郭暾郭玉萍韩艳良 F.A.Harris 何康林何苗何振亚 T.Held 衡月昆侯治龙胡琛胡海明胡继峰胡涛黄光明黄光顺黄金书黄亮黄性涛黄勇黄燕萍 T.Hussain 姬长胜纪全姬清平季晓斌季筱璐姜丽丽江晓山焦健斌焦铮金大鹏金山景繁凡 N.Kalantar-Nayestanaki M.Kavatsyuk B.Kopf M.Kornicer W.Kuehn 赖蔚 J.S.Lange M.Leyhe 李春花李澄李翠李德民李飞李刚李海波李家才李康李蕾李秋菊李绍莉李卫东李卫国李晓玲李小男李学潜李秀荣李志兵梁昊梁勇飞梁羽铁廖广瑞廖小涛 D.Lin(Lin) 刘北江 C.L.Liu 刘春秀刘福虎刘芳刘峰刘虎刘宏邦刘汇慧刘怀民刘红薇刘觉平刘凯刘魁勇刘佩莲刘倩刘树彬刘翔刘玉斌刘振安刘志强刘智青 H.Loehner 鲁公儒吕海江吕军光吕绮雯吕晓睿卢石鹏罗成林罗民兴 T.Luo 罗小兰吕蒙马长利马凤才马海龙马秋梅马斯马天马晓妍 F.E.Maas M.Maggiora Q.A.Malik 冒亚军毛泽普 J.G.Messchendorp 闵建闵天觉 R.E.Mitchell 莫晓虎 C.Morales Morales N.Yu.Muchnoi H.Muramatsu Y.Nefedov 宁洁 I.B.Nikolaev 宁哲馬鵬欧阳群 S.Pacetti 卞正烷 M.Pelizaeus 彭海平 K.Peters 平加伦平荣刚 R.Poling E.Prencipe 祁鸣钱森乔从丰秦丽清秦小帅秦瑶秦中华邱进发 K.H.Rashid 荣刚阮向东 A.Sarantsev B.D.Schaefer 邵明 C.P.Shen 沈肖雁盛华义 M.R.Shepherd 宋新颖 S.Spataro B.Spruck 孙德辉孙功星孙俊峰孙胜森孙勇杰孙永昭孙志嘉孙振田唐昌建唐晓 I.Tapan E.H.Thorndike D.Toth M.Ullrich G.S.Varner 王博群王东王大勇王科王亮亮王灵淑王萌王平王佩良王庆娟王思广王雄飞汪晓莲王贻芳王铮王志刚王至勇魏代会韦江波 P.Weidenkaff 文群刚文硕频 M.Werner U.Wiedner 伍灵慧吴宁吴硕星吴蔚吴智夏力刚夏宇肖振军谢宇广修青磊许国发徐光明徐庆君徐庆年徐新平许志蕊薛飞薛镇严亮鄢文标颜永红杨洪勋杨迎杨永栩叶桦叶梅叶铭汉俞伯祥喻纯旭于海旺俞洁晟于帅鹏苑长征袁野 A.A.Zafar A.Zallo 曾云张丙新张炳云张驰张长春张达华张宏浩章红宇张敬庆张家文张建勇张景芝张丽丽张瑞张书华张晓杰张学尧张瑶张银鸿张子平张振宇张正好赵光赵海升赵京伟赵凯旋赵雷赵玲赵明刚赵强赵庆章赵书俊赵天池赵豫斌赵政国 A.Zhemchugov 郑波郑建平郑阳恒钟彬钟真周莉周晓康周小蓉朱程朱凯朱科军朱世海朱相雷朱莹春朱亚敏朱永生朱自安庄建邹冰松邹佳恒 Institute of High Energy Physics Chinese Academy of Sciences G.I. Budker Institute of Nuclear Physics SB RAS (BINP) Carnegie Mellon University Pittsburgh University of Rochester Rochester University of Science and Technology of China Peking University Bochum Ruhr-University Indiana University Bloomington INFN Laboratori Nazionali di Frascati University of Minnesota Minneapolis Joint Institute for Nuclear Research the Moscow Institute of Physics and Technology KVI University of Groningen Carnegie Mellon University Ankara University Dogol Caddesi Dogus University Moscow Institute of Physics and Technology Nanjing University Huangshan College Huangshan Johannes Gutenberg University of Mainz On leave from the Bogolyubov Institute for Theoretical Physics University of Turin INFN Shandong University Liaoning University Zhengzhou University University of Eastern Piedmont Tsinghua University GSI Helmholtzcentre for Heavy Ion Research GmbH GuangXi University University of Chinese Academy of Sciences Nankai University Nanjing Normal University University of Hawaii Universitaet Giessen Central China Normal University Henan Normal University University of the Punjab Huangshan College Hangzhou Normal University Seoul National University Sun Yat-Sen University Sichuan University Helmholtz Institute Mainz Johann-Joachim-Becher-Weg 45D-55099 Mainz Germany Carnegie Mellon University PittsburghPennsylvania 15213 USA Shanxi University Henan University of Science and Technology wuhan University Lanzhou University Zhejiang University University of Hawaii Honolulu Helmholtz Institute Mainz Johann-Joachim-Becher-Weg 45D-55099 Mainz Germany INFN and University of Perugia Also at the PNPI. Gatchina Nagoya University Uludag University University of Minnesota Guangxi Normal University Guilin 541004 China Hunan University Soochow University Guangxi Normal University China Center of Advanced Science and Technology the Moscow Institute of Physics and Technology Moscow 141700 Russia University of South China

The number of φ＇ events accumulated by the BESIII experiment from March 3 through April 14, 2009, is determined by counting inclusive hadronic events. The result is 106.41×（1.00±0.81%）×10^6. The error is system... 详细信息

关键词： φ' inclusive hadron Bhabha

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Measurement of the integrated luminosities of the data taken by BESⅢ at √s=3.650 and 3.773 GeV

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Chinese Physics C 2013年第12期37卷 1-6页

作者：麦迪娜 M.N.Achasov O.albayrak D.J.Ambrose 安芬芬安琪白景芝 R.Baldini Ferroli 班勇 J.Becker J.V.Bennett M.Bertani 边渐鸣 E.Boger O.Bondarenko I.Boyko S.Braun R.A.Briere V.Bytev 蔡浩蔡啸 O.Cakir A.Calcaterra 曹国富 S.A.Cetin 常劲帆 G.Chelkov 陈刚陈和生陈江川陈玛丽陈申见陈旭荣陈元柏程和平初元萍 D.Cronin-Hennessy 代洪亮代建平 D.Dedovich 邓子艳 A.Denig I.Denysenko M.Destefanis 丁伟民丁勇董燎原董明义杜书先方建房双世 L.Fava 封常青 P.Friedel 傅成栋傅金林 O.Fuks 高原宁耿聪 K.Goetzen 龚文煊 W.Gradl M.Greco 顾旻皓顾运厅管颖慧郭爱强郭立波郭墩郭玉萍韩艳良 F.A.Harris 何康林何苗何振亚 T.Held 衡月昆侯治龙胡深胡海明胡继峰胡涛黄光明黄光顺黄金书黄亮黄性涛黄勇 T.Hussain 姬长胜纪全姬清平季晓斌季筱璐姜丽丽江晓山焦健斌焦铮金大鹏金山景繁凡 N.Kalantar-Nayestanaki M.Kavatsyuk B.Kloss B.Kopf M.Kornicer W.Kuehn 赖蔚 J.S.Lange M.Lara P.Larin M.Leyhe 李春花李澄李翠李德民李飞李刚李海波李家才李康李蕾李培荣李秋菊李卫东李卫国李晓玲李小男李学潜李秀荣李志兵梁昊梁勇飞梁羽铁廖广瑞 D.X.LinLin 刘北江 C.L.Liu 刘春秀刘福虎刘芳刘峰刘宏邦刘汇慧刘怀民刘觉平刘凯刘魁勇刘佩莲刘倩刘树彬刘翔刘玉斌刘振安刘志强刘智青 H.Loehner 娄辛丑鲁公儒吕海江吕军光吕晓睿卢云鹏罗成林罗民兴 T.Luo 罗小兰吕蒙马凤才马海龙马秋梅马斯马天马骁妍 F.E.Maas M.Maggiora Q.A.Malik 冒亚军毛泽普 J.G.Messchendorp 阂建闵天觉 R.E.Mitchell 莫晓虎 H.Moeini C.Morales Morales K.Moriya N.Yu.Muchnoi H.Muramatsu Y.Nefedov I.B.Nikolaev 宁哲 S.Nisar 马鹏欧阳群 S.Pacetti J.W.Park M.Pelizaeus 彭海平 K.Peters 平加伦平荣刚 R.Poling E.Prencipe 祁鸣钱森乔从丰秦丽清秦小帅秦瑶秦中华邱进发 K.H.Rashid C.F.Redmer 荣刚阮向东 A.Sarantsev 邵明沈成平沈肖雁盛华义 M.R.Shepherd 宋维民宋新颖 S.Spataro B.Spruck 孙功星孙俊峰孙胜森孙勇杰孙永昭孙志嘉孙振田唐昌建唐晓 I.Tapan E.H.Thorndike D.Toth M.Ullrich I.Uman G.S.Varner 王斌王东王大勇王科王亮亮王灵淑王萌王平王佩良王庆娟王思广王雄飞汪晓莲 Y.D.WangYadi 王贻芳王亚乾王铮王志刚王志宏王至勇魏代会韦江波 P.Weidenkaff 文群刚文硕频 M.Werner U.Wiedner 伍灵慧吴宁吴硕星吴蔚吴智夏力钢夏宇肖振军谢宇广修青磊许国发徐庆君徐庆年徐新平许志蕊薛镇严亮鄢文标闺文成颜永红杨洪勋杨迎杨永栩叶桦叶梅叶铭汉俞伯祥喻纯旭于海旺俞洁晟于帅鹏苑长征n 袁野 A.A.Zafar A.Zallo 臧石磊曾云张丙新张炳云张驰张长春张达华张宏浩章红宇张敬庆张家文张建勇张景芝张丽丽张书华张晓杰张学尧张瑶张银鸿张子平张振宇张正好赵光赵京伟赵雷赵玲赵明刚赵强赵书俊赵天池赵祥虎赵豫斌赵政国 A.Zhemchugov 郑波郑建平郑阳恒钟彬周莉周详周晓康周小蓉朱凯朱科军朱相雷朱莹春朱永生朱自安庄建邹冰松邹佳恒 Institute of High Energy Physics Chinese Academy of Sciences G.I.Budker Institute of Nuclear Physics SB RAS (BINP) Also at the Novosibirsk State University Carnegie Mellon University Pittsburgh University of Rochester Rochester University of Science and Technology of China INFN Laboratori Nazionali di Frascati Peking University Bochum Ruhr-University Indiana University Bloomington University of Minnesota Minneapolis Joint Institute for Nuclear Research Also at the Moscow Institute of Physics and Technology KVI University of Groningen Universitaet Giessen Wuhan University Ankara University Dogol Caddesi Dogus University Nanjing University Lanzhou University Huangshan College Johannes Gutenberg University of Mainz University of Turin INFN Shandong University Liaoning University Zhengzhou University University of Eastern Piedmont Tsinghua University GSI Helmholtzcentre for Heavy Ion Research GmbH GuangXi University University of Chinese Academy of Sciences Nankai university Nanjing Normal University University of Hawaii Central China Normal University Henan Normal University University of the Punjab Helmholtz Institute Mainz Hangzhou Normal University Seoul National University Sun Yat-Sen University Sichuan University Shanxi University Henan University of Science and Technology Also at University of Texas at Dallas Zhejiang University COMSATS Institute of Information Technology INFN and University of Perugia University of Minnesota Also at the PNPI Beihang University Uludag University Guangxi Normal University Hunan University Soochow University China Center of Advanced Science and Technology University of South China

Data sets were collected with the BESⅢ detector at the BEPCⅡ collider at the center-of-mass energy of √s=3.650 GeV during May 2009 and at √s=3.773 GeV from January 2010 to May 2011. By analyzing the large angle Bhabha scattering events, the integrated luminosities of the two data sets are measured to be （44.49±0.02±0.44） pb-1 and （2916.94±0.18±29.17） pb-1, respectively, where the first error is statistical and the second error is systematic.

关键词： Bhabha scattering events integrated luminosity cross section

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Measurements of the center-of-mass energies at BESⅢ via the di-muon process

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Chinese Physics C 2016年第6期40卷 1-8页

作者：麦迪娜 M.N.Achasov 艾小聪 O.albayrak M.Albrecht D.J.Ambrose A.Amoroso 安芬芬安琪白景芝 R.Baldini Ferroli 班勇 D.W.Bennett J.V.Bennett M.Bertani D.Bettoni 边渐鸣 F.Bianchi E.Boger I.Boyko R.A.Briere 蔡浩蔡啸 O.Cakir A.Calcaterra 曹国富 S.A.Cetin 常劲帆 G.Chelkov 陈刚陈和生陈海云陈江川陈玛丽陈申见谌炫陈旭荣陈元柏程和平褚新坤 G.Cibinetto 代洪亮代建平 A.Dbeyssi D.Dedovich 邓子艳 A.Denig I.Denysenko M.Destefanis F.De Mori 丁勇董超董静董燎原董明义杜书先段鹏飞范荆州方建房双世方馨方易 L.Fava F.Feldbauer G.Felici 封常青 E.Fioravanti M.Fritsch 傅成栋高清高鑫磊高旭阳高原宁高榛 I.Garzia K.Goetzen 龚文煊 W.Gradl M.Greco 顾旻皓顾运厅管颖慧郭爱强郭立波郭玥郭玉萍 Z.Haddadi A.Hafner 韩爽郝喜庆 F.A.Harris 何康林 T.Held 衡月昆侯治龙胡琛胡海明胡继峰胡涛胡誉黄光明黄光顺黄金书黄性涛黄勇 T.Hussain 纪全姬清平季晓斌季筱璐姜鲁文江晓山蒋兴雨焦健斌焦铮金大鹏金山 T.Johansson A.Julin N.Kalantar-Nayestanaki 康晓琳康晓珅 M.Kavatsyuk B.C.Ke P.Kiese R.Kliemt B.Kloss O.B.Kolcu B.Kopf M.Kornicer W.Kühn A.Kupsc J.S.Lange M.Lara P.Larin C.Leng 李翠李澄李德民李飞李峰云李刚李海波李家才李瑾李康李科李蕾李培荣李腾李卫东李卫国李晓玲李小梅李小男李学潜李志兵梁昊梁勇飞梁羽铁廖广睿 D.X.Lin(lin) 刘北江刘春秀刘栋刘福虎刘芳刘峰刘宏邦刘欢欢刘汇慧刘怀民刘杰刘建北刘觉平刘晶译刘凯刘魁勇刘兰雕刘佩莲刘倩刘树彬刘翔刘玉斌刘振安刘智清 H.Loehner 娄辛丑吕海江吕军光卢宇卢云鹏罗成林罗民兴 T.Luo 罗小兰吕晓睿马凤才马海龙马连良马秋梅马天马旭宁马骁妍 F.E.Maas M.Maggiora 冒亚军毛泽普 S.Marcello J.G.Messchendorp 闵建 R.E.Mitchell 莫晓虎莫玉俊 C.Morales Morales K.Moriya N.Yu.Muchnoi H.Muramatsu Y.Nefedov F.Nerling I.B.Nikolaev 宁哲 S.Nisar 牛顺利牛讯伊馬鵬欧阳群 S.Pacetti 潘越 P.Patteri M.Pelizaeus 彭海平 K.Peters J.Pettersson 平加伦平荣刚 R.Poling V.Prasad 祁鸣钱森乔从丰秦丽清覃拈秦小帅秦中华邱进发 K.H.Rashid C.F.Redmer M.Ripka 荣刚 Ch.Rosner 阮向东 V.Santoro A.Sarantsev M.Savrie K.Schoenning S.Schumann 单葳邵明沈成平沈培迅沈肖雁盛华义宋维民宋欣颖 S.Sosio S.Spataro 孙功星孙俊峰孙胜森孙勇杰孙永昭孙志嘉孙振田唐昌建唐晓 I.Tapan E.H.Thorndike M.Tiemens M.Ullrich I.Uman G.S.Varner 王斌王东王大勇王科王亮亮王灵淑王萌王平王佩良王思广王炜王维平王雄飞王雅迪王贻芳王亚乾王铮王志刚王志宏王至勇 T.Weber 魏代会韦江波 P.Weidenkaff 文硕频 U.Wiedner M.Wolke 伍灵慧吴智夏磊夏力钢夏宇肖栋肖浩肖振军谢宇广修青磊许国发徐雷徐庆君徐新平严亮鄢文标闫文成颜永红杨海军杨洪勋杨柳杨迎杨永栩叶梅叶铭汉殷俊昊俞伯祥喻纯旭俞洁晟苑长征袁文龙袁野 A.Yuncu A.A.Zafar A.Zallo 曾云曾哲张丙新张炳云张弛张长春张达华张宏浩章红宇张佳佳张杰磊张敬庆张家文张建勇张景芝张坤张磊张学尧张瑶张宇宁张银鸿张亚腾张宇张正好张子平张振 Institute of High Energy Physics G.I.Budker Institute of Nuclear Physics SB RAS(BINP) the Novosibirsk State University Carnegie Mellon University Bochum Ruhr-University University of Rochester University of Turin INFN University of Science and Technology of China State Key Laboratory of Particle Detection and Electronics INFN Laboratori Nazionali di Frascati Peking University Indiana University INFN Sezione di Ferrara University of Minnesota Joint Institute for Nuclear Research the Moscow Institute of Physics and Technology Wuhan University Istanbul Aydin University Ankara University University of Eastern Piedmont the Functional Electronics Laboratory Tomsk State University Beihang University Nanjing University Lanzhou University Huangshan College Shanghai Jiao Tong University Helmholtz Institute Mainz Johannes Gutenberg University of Mainz Liaoning University Nankai University Zhengzhou University Tsinghua University GSI Helmholtzcentre for Heavy Ion Research GmbH GuangXi University Nanjing Normal University KVI-CART University of Groningen Henan Normal University University of Hawaii Central China Normal University Shandong University University of the Punjab Uppsala University Dogus University Istanbul Arel University Justus Liebig University Giessen Ⅱ.Physikalisches Institut Seoul National University Hangzhou Normal University Beijing Institute of Petrochemical Technology University of Chinese Academy of Sciences Sun Yat-Sen University Sichuan University Guangxi Normal University Shanxi University Henan University of Science and Technology University of Texas at Dallas Zhejiang University COMSATS Institute of Information Technology INFN and University of Perugia the NRC "Kurchatov Institute" PNPI University of Ferrara Uludag University Hunan University University of South China Soochow University China Center of Advanced Science and Technology Turkey Bogazici University University of Science and Technology Liaoning

From 2011 to 2014, the BESIII experiment collected about 5 fb^-1 data at center-of-mass energies around 4 GeV for the studies of the charmonium-like and higher excited charmonium states. By analyzing the di-muon process e＋e- →yma/Fsμ^＋μ^-, the center-of-mass energies of the data samples are measured with a precision of 0.8 MeV. The center-of-mass energy is found to be stable for most of the time during data taking.

关键词： center-of-mass energy di-muon process charmoniumlike states

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Measurement of the absolute branching fraction of D^+→K^0e^+v_e via K^0→π~0π~0

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Chinese Physics C 2016年第11期40卷 5-13页

作者：麦迪娜 M.N.Achasov 艾小聪 O.albayrak M.Albrecht D.J.Ambrose A.Amoroso 安芬芬安琪白景芝 R.Baldini Ferroli 班勇 D.W.Bennett J.V.Bennett M.Bertani D.Bettoni 边渐鸣 F.Bianchi E.Boger I.Boyko R.A.Briere 蔡浩蔡啸 O.Cakir A.Calcaterra 曹国富 S.A.Cetin 常劲帆 G.Chelkov 陈刚陈和生陈海云陈江川陈玛丽陈实陈申见谌炫陈旭荣陈元柏程和平褚新坤 G.Cibinetto 代洪亮代建平 A.Dbeyssi D.Dedovieh 邓子艳 A.Denig I.Denysenko M.Destefanis F.De Mori 丁勇董超董静董燎原董明义豆正磊杜书先段鹏飞范荆州方建房双世方馨方易 R.Farinelli L.Fava O.Fedorov F.Feldbauer G.Felici 封常青 E.Fioravanti M.Fritsch 傅成栋高清高鑫磊高旭阳高原宁高榛 I.Garzia K.Goetzen 龚丽龚文煊 W.Gradl M.Greco 顾旻皓顾运厅管颖慧郭爱强郭立波郭如盼郭玥郭玉萍 Z.Haddadi A.Hafner 韩爽郝喜庆 F.A.Harris 何康林 T.Held 衡月昆侯治龙胡琛胡海明胡继峰胡涛胡誉黄光顺黄金书黄性涛黄晓忠黄勇黄智玲 T.Hussain 纪全姬清平季晓斌季筱璐姜鲁文江晓山蒋兴雨焦健斌焦铮金大鹏金山 T.Johansson A.Julin N.Kalantar-Nayestanaki 康晓琳康晓珅 M.Kavatsyuk 柯百谦 P.Kiese R.Kliemt B.Kloss O.B.Kolcu B.Kopf M.Kornicer A.Kupsc W.Kühn J.S.Lange M.Lara P.Larin C.Leng 李翠李澄李德民李飞李峰云李刚李海波李惠静李家才李瑾李康李科李蕾李培荣李启云李腾李卫东李卫国李晓玲李小男李学潜李郁博李志兵梁昊梁勇飞梁羽铁廖广睿林德旭刘冰刘北江刘春秀刘栋刘福虎刘芳刘峰刘宏邦刘汇慧刘欢欢刘怀民刘杰刘建北刘觉平刘晶译刘凯刘魁勇刘兰雕刘佩莲刘倩刘树彬刘翔刘玉斌刘振安刘智青 H.Loehner 娄辛丑吕海江吕军光卢宇卢云鹏罗成林罗民兴 T.Luo 罗小兰吕晓睿马凤才马海龙马连良马明明马秋梅马天马旭宁马骁妍马玉明 F.E.Maas M.Maggiora 冒亚军毛泽普 S.Marcello J.G.Messchendorp 闵建闵天觉 R.E.Mitchell 莫晓虎莫玉俊 C.Morales Morales N.Yu.Muchnoi H.Muramatsu Y.Nefedov F.Nerling I.B.Nikolaev 宁哲 S.Nisar 牛顺利牛讯伊馬鵬欧阳群 S.Pacetti 潘越 P.Patteri M.Pelizaeus 彭海平 K.Peters J.Pettersson 平加伦平荣刚 R.Poling V.Prasad 漆红荣祁鸣钱森乔从丰秦丽清覃拈秦小帅秦中华邱进发 K.H.Rashid C.F.Redmer M.Ripka 荣刚 Ch.Rosner 阮向东 A.Sarantsev M.Savrie K.Schoenning S.Schumann 单葳邵明沈成平沈培迅沈肖雁盛华义施萌宋维民宋欣颖 S.Sosio S.Spataro 孙功星孙俊峰孙胜森孙新华孙勇杰孙永昭孙志嘉孙振田唐昌建唐晓 I.Tapan E.H.Thorndike M.Tiemens M.Ullrich I.Uman G.S.Yarner 王斌王滨龙王东王大勇王科王亮亮王灵淑王萌王平王佩良王炜王维平王雄飞王越王雅迪王贻芳王亚乾王铮王志刚王志宏王至勇王宗源 T.Weber 魏代会 P.Weidenkaff 文硕频 U.Wiedner M.Wolke 伍灵慧吴连近吴智夏磊夏力钢夏宇肖栋肖浩肖振军谢宇广修青磊许国发徐静静徐雷徐庆君徐庆年徐新平严亮鄢文标闫文成颜永红杨海军杨洪勋杨柳杨永栩叶梅叶铭汉殷俊昊俞伯祥喻纯旭俞洁晟苑长征袁文龙袁野 A.Yuncu A.A.Zafar A.Zallo 曾云曾哲张丙新张炳云张驰张长春张达华张宏浩章红宇张晋张佳佳 Institute of High Energy Physics G.I.Budker Institute of Nuclear Physics SB RAS BINP the Novosibirsk State University Carnegie Mellon University Bochum Ruhr-University University of Rochester University of Turin INFN University of Science and Technology of China State Key Laboratory of Particle Detection and Electronics INFN Laboratori Nazionali di Frascati Peking University Indiana University INFN Sezione di Ferrara University of Minnesota Joint Institute for Nuclear Research the Moscow Institute of Physics and Technology Carnegie Mellon University PittsburghPennsylvania 15213USA Central China Normal University Wuhan University Ankara University Istanbul Bilgi University the Functional Electronics Laboratory Tomsk State University Beihang University University of Chinese Academy of Sciences Nanjing University Lanzhou University Huangshan College Shanghai Jiao Tong University Helmholtz Institute Mainz Johannes Gutenberg University of Mainz Liaoning University Nankai University Zhengzhou University Tsinghua University University of Ferrara University of Eastern Piedmont GSI Helmholtzcentre for Heavy Ion Research GmbH Guangxi University Nanjing Normal University KVI-CART University of Groningen Henan Normal University University of Hawaii Uludag University Shandong University University of the Punjab Uppsala University Istanbul Axel University Justus-Liebig-Universitaet Giessen Ⅱ.Physikalisches Institut Seoul National University Hangzhou Normal University Beijing Institute of Petrochemical Technology Sun Yat-Sen University Sichuan University Guangxi Normal University Shanxi University Henan University of Science and Technology University of Texas at Dallas Zhejiang University G.I.Budker Institute of Nuclear Physics SB RAS(BINP) COMSATS Institute of Information Technology INFN and University of Perugia Goethe University Frankfurt the NRC "Kurchatov Institute PNPI Near East University NicosiaNorth Cyprus Soochow University Hunan University University of South China China Center of Advanced Science and Technology B

By analyzing 2.93 fb-1 data collected at the center-of-mass energy v/S = 3.773 GeV with the BESIII detector, we measure the absolute branching fraction of the semileptonic decay D＋- k0e＋ ve via k0-π0π0 - （8.59 ± 0.14 ± 0.21）% using k0- k0-π0π0, where the first uncertainty is statistical and the second systematic. Our result is consistent with previous measurements within uncertainties..

关键词： charmed mesons semileptonic decays absolute branching fraction BESIII/BEPCII

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