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Measurement of integrated luminosity and center-of-mass energy of data taken by BESⅢ at s^(1/2)=2.125 GeV

Chinese Physics C 2017年第11期41卷 1-9页

作者：麦迪娜 M.N.Achasov S.Ahmed 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 N.Berger M.Bertani D.Bettoni 边渐鸣 F.Blanchi E.Boger I.Boyko R.A.Briere 蔡浩蔡啸 O.Cakir A.Calcaterra 曹国富 S.A.Cetin J.Chai 常劲帆 G.Chelkov 陈刚陈和生陈江川陈玛丽陈实陈申见堪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.DEMori 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.Fiorauanti M.Fritsch 傅成栋高清高鑫磊高原宁高榛 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 F.H.Heinsius T.Held 衡月昆 T.Holtmann 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 康晓琳康晓坤 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 H.Leithoff 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媛媛刘振安刘智青 H.Loehner 龙云飞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 Q.A.Malik 冒亚军毛泽普 S.Marcello J.G.Messchendorp G.Mezzadri 闵建闵天觉 R.E.Mitchell 莫晓虎莫玉俊 C.Morales Morales N.Yu.Muchnoi H.Muramatsu P.Musiol Y.Nefedov F.Nerling I.B.Nikolaev 宁哲 S.Nisar 牛顺利牛讯伊马鹏欧阳群 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.Savrié C.Schnier K.Schoenning S.Schumann 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.Tieinens I.Uman G.S.Varner 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尤郑昀 Institute of High Energy Physics G.I.Budker Institute of Nuclear Physics SB RAS (BINP) the Novosibirsk State University Helmholtz Institute Mainz 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 Johannes Gutenberg University of Mainz INFN Sezione di Ferrara University of Minnesota Joint Institute for Nuclear Research the Moscow Institute of Physics and Technology Wuhan University Ankara University Istanbul Bilgi University the Functional Electronics Laboratory Tomsk State University University of Chinese Academy of Sciences Nanjing University Lanzhou University Huangshan College Shanghai Jiao Tong University 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 Shandong University University of the Punjab Uppsala University Istanbul Arel University Justus-Liebig-Universitaet Giessen Ⅱ.Physikalisches Institut Seoul National University Hangzhou Normal University Beijing Institute of Petrochemical Technology Beihang University Sun Yat-Sen University Sichuan University Guangxi Normal University Shanxi University Central China Normal University Henan University of Science and Technology University of Texas at Dallas Zhejiang University University of Hawaii Honolulu University of Minnesota Minneapolis COMSATS Institute of Information Technology INFN and University of Perugia Goethe University Frankfurt the NRC "Kurchatov Institute" PNPI Uludag University Near East University Soochow University Hunan University University of South China China Center of Advanced Science and Technology Bogazici University University of Science and Technology Liaoning

To study the nature of the state Y（2175）,a dedicated data set of e ＋ e-collision data was collected at the center-of-mass energy of 2.125 GeV with the BESⅢ detector at the BEPCⅡ *** analyzing large-angle Bhabha scattering events,the integrated luminosity of this data set is determined to be 108.49±0.02±0.85 pb-1,where the first uncertainty is statistical and the second one is *** addition,the center-of-mass energy of the data set is determined with radiative dimuon events to be 2126.55±0.03±0.85 MeV,where the first uncertainty is statistical and the second one is systematic.

关键词： Bhabha scattering luminosity radiative dimuon events center-of-mass energy

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Evidence for e^+e^-→γχ_(c1,2) at center-of-mass energies from 4.009 to 4.360 GeV

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Chinese Physics C 2015年第4期39卷 1-9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 O.Bondarenko 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 D.Cronin-Hennessy 代洪亮代建平 A.Dbeyssi D.Dedovich 邓子艳 A.Denig I.Denysenko M.Destefani 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墩郭玥 Y.P.Guo Z.Haddadi A.Hafner 韩爽韩艳良 F.A.Harris 何康林何振亚 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海鹏黄金书黄性涛黄勇 T.Hussain 纪全姬清平季晓斌季筱璐姜丽丽姜鲁文江晓山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 R.Kliemt B.Kloss O.B.Kolcu B.Kopf M.Kornicer W.Kuehn A.Kupsc 赖蔚 J.S.Lange M.Lara P.Larin 李春花李澄李德民李飞李刚李海波李家才李瑾李康李科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 Lin 刘北江 C.L.Liu 刘春秀刘福虎刘芳刘峰刘宏邦刘汇慧刘欢欢刘怀民刘杰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晓霞刘玉斌刘振安刘志强 Zhiqiang Liu H.Loehner 娄辛丑吕海江吕军光鲁睿其卢宇卢云鹏罗成林罗民兴 T.Luo 罗小兰吕蒙吕晓睿马凤才马海龙马连良马秋梅马斯马天马旭宁马骁妍 F.E.Maas M.Maggiora Q.A.Malik 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 Morale K.Moriya N.Yu.Muchnoi H.Muramatsu Y.Nefedov F.Nerling I.B.Nikolaev 宁哲 S.Nisar 牛顺利牛讯伊马鹏欧阳群 S.Pacetti P.Patteri M.Pelizaeus 彭海平 K.Peters 平加伦平荣刚 R.Poling 濮亚男祁鸣钱森乔从丰秦丽清覃拈秦小帅秦瑶秦中华邱进发 K.H.Rashid C.F.Redmer 任海龙 M.Ripka 荣刚阮向东 V.Santoro A.Sarantsev M.Savrié K.Schoenning S.Schumann 单葳邵明沈成平沈培迅沈肖雁盛华义 M.R.Shepherd 宋维民宋欣颖 S.Sosio 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 M.Tiemens D.Toth M.Ullrich I.Uman G.S.Varner 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庆娟王思广王炜王雄飞 Yadi 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 伍灵慧吴智夏力钢夏宇肖栋肖振军谢宇广许国发徐雷徐庆君徐庆年徐新平严亮鄢文标闫文成颜永红杨洪勋杨柳杨迎杨永栩叶桦叶梅叶铭汉殷俊昊俞伯祥喻纯旭于海旺俞洁晟苑长征袁文龙袁野 A.Yuncu 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佳佳张杰 Institute of High Energy Physics Chinese Academy of Sciences 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 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 KVI-CART University of Groningen Wuhan University Istanbul Aydin University Ankara University Dogus University 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 University of Eastern Piedmont GSI Helmholtzcentre for Heavy Ion Research Gmb H D-64291 Darmstadt Germany Guangxi University Nanjing Normal University University of Hawaii Central China Normal University Henan Normal University Shandong University University of the Punjab Uppsala University Currently at Istanbul Arel University Justus Liebig University Giessen Ⅱ. Physikalisches Institut Seoul National University Hangzhou Normal University 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 Hunan University Zhejiang University COMSATS Institute of Information Technology INFN and University of Perugia GSI Helmholtzcentre for Heavy Ion Research Gmb H the PNPI University of Ferrara Indiana University Bloomington Uludag University Soochow University China Center of Advanced Science and Technology Bogazici University University of South China

Using data samples collected at center-of-mass energies of √s=4.009, 4.230, 4.260, and 4.360 GeV with the BES0 detector operating at the BEPC/ collider, we perform a search for the process e＋e-→γχc,j （J =0, 1, 2） and find evidence for e＋e-→γχc1 and e＋e-→γχc2 with statistical significances of 3.0σ and 3.4σ, respectively. The Born cross sections σB（e＋e-→γχc,j）, as well as their upper limits at the 90% con dence level （C.L.） are determined at each center-of-mass energy.

关键词： heavy quarkonia decays of hadronic electron-positron collisions hadron production by

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Precision measurement of the integrated luminosity of the data taken by BESIII at center-of-mass energies between 3.810 GeV and 4.600 GeV

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Chinese Physics C 2015年第9期39卷 1-7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 O.Bondarenko 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 D.Cronin-Hennessy 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 傅成栋高清高原宁高榛 I.Garzia 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玥 Y.P.Guo Z.Haddadi A.Hafner 韩爽韩艳良郝喜庆 F.A.Harris 何康林何振亚 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海鹏黄金书黄性涛黄勇 T.Hussain 纪全姬清平季晓斌季筱璐姜丽丽姜鲁文江晓山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 R.Kliemt B.Kloss O.B.Kolcu B.Kopf M.Kornicer W.Kuehn A.Kupsc 赖蔚 J.S.Lange M.Lara P.Larin C.Leng 李春花李澄李德民李飞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) 刘北江刘春秀刘福虎刘芳刘峰刘宏邦刘汇慧刘欢欢刘怀民刘杰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晓霞刘玉斌刘振安刘志强 Zhiqing Liu H.Loehner 娄辛丑吕海江吕军光鲁睿其卢宇卢云鹏罗成林罗民兴 T.Luo 罗小兰吕蒙吕晓睿马凤才马海龙马连良马秋梅马斯马天马旭宁马晓妍 F.E.Maas M.Maggiora Q.A.Malik 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 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 P.Patteri M.Pelizaeus 彭海平 K.Peters 平加伦平荣刚 R.Poling 濮亚男祁鸣钱森乔从丰秦丽清覃拈秦小帅秦瑶秦中华邱进发 K.H.Rashid C.F.Redmer 任海龙 M.Ripka 荣刚阮向东 V.Santoro A.Sarantsev M.Savrié 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 D.Toth M.Ullrich I.Uman G.S.Varner 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庆娟王思广王炜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 伍灵慧吴智夏力钢夏宇肖栋肖振军谢宇广修青磊许国发徐雷徐庆君徐庆年徐新平严亮鄢文标闫文成颜永红杨洪勋杨柳杨迎杨永栩叶桦叶梅叶铭汉殷俊昊俞伯祥喻纯旭于海旺俞洁晟苑长征袁文龙袁野 A.Yuncu 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佳佳张杰磊张 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 Rochester University of Turin INFN University of Science and Technology of China 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 KVI-CART University of Groningen Wuhan University Istanbul Aydin University Ankara University Dogus University 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 University of Eastern Piedmont GSI Helmholtzcentre for Heavy Ion Research GmbH Guang Xi University Nanjing Normal University Henan Normal University University of Hawaii Central China Normal University Shandong University University of the Punjab Uppsala University Currently at 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 Hunan University Zhejiang University COMSATS Institute of Information Technology INFN and University of Perugia the NRC "Kurchatov Institute" University of Ferrara Uludag University Soochow University China Center of Advanced Science and Technology Bogazici University University of South China

From December 2011 to May 2014, about 5 fb^-1 of data were taken with the BESIII detector at center-of- mass energies between 3.810 GeV and 4.600 GeV to study the charmonium-like states and higher excited charmonium states. The time-integrated luminosity of the collected data sample is measured to a precision of 1% by analyzing events produced by the large-angle Bhabha scattering process.

关键词： precision measurement luminosity Bhabha scattering charmonium

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

引用

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

引用

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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