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Bio-Inspired Numerical Analysis of COVID-19 with Fuzzy Parameters

Computers, materials & Continua 2022年第8期72卷 3213-3229页

作者： F.m.Allehiany Fazal Dayan F.F.Al-Harbi Nesreen Althobaiti Nauman Ahmed muhammad Rafiq Ali Raza mawahib Elamin Department of mathematical Sciences College of Applied SciencesUmm Al-Qura UniversityMakkah21955Saudi Arabia Department of mathematics and Statistics University of LahoreLahorePakistan Department of mathematics School of ScienceUniversity of Management and TechnologyLahorePakistan Department of Physics College of SciencePrincess Nourah Bint Abdulrahman UniversityRiyadh11671Saudi Arabia Department of mathematics and Statistics College of ScienceTaif UniversityTaif21944Saudi Arabia Department of mathematics Faculty of SciencesUniversity of Central PunjabLahorePakistan Department of mathematics Govt.Maulana Zafar Ali Khan Graduate College WazirabadPunjab Higher Education Department(PHED)Lahore54000Pakistan Department of mathematics College of Science and ArtsQassim UniversityRiyadh Al KhabraSaudi Arabia

Fuzziness or uncertainties arise due to insufficient knowledge,experimental errors,operating conditions and parameters that provide inaccurate *** concepts of susceptible,infectious and recovered are uncertain due to the different degrees in susceptibility,infectivity and recovery among the individuals of the *** differences can arise,when the population groups under the consideration having distinct habits,customs and different age groups have different degrees of resistance,*** realistic models are needed which consider these different degrees of susceptibility infectivity and recovery of the *** this paper,a Susceptible,Infected and Recovered(SIR)epidemic model with fuzzy parameters is *** infection,recovery and death rates due to the disease are considered as fuzzy *** basic reproduction number and fuzzy equilibrium points have been derived for the studied *** is then solved numerically with three different techniques,forward Euler,Runge-Kutta fourth order method(RK-4)and the nonstandard finite difference(NSFD)methods *** NSFD technique becomes more efficient and reliable among the others and preserves all the essential features of a continuous dynamical system.

关键词： Fuzzy parameters SIR model NSFD scheme fuzzy equilibrium points fuzzy stability analysis

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“Chasing a Ghost”:影响初级保健医师随访偶发影像学发现的因素

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国际医学放射学杂志 2017年第1期 88-88页

作者： H.m.zafar E.K.Bugos C.P.Langlotz R.Frasso 崔倩 Department of Radiology Hospital of the University of Pennsylvania

摘要目的探讨医师和病人特点对初级保健医师如何交流和与管理偶然的影像学发现的影响。材料与方法本研究经伦理委员会同意,并符合HIPAA。通过半结构化访谈,研

关键词：影像学病人保健医师 Chasing a Ghost

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Optimization of Coronavirus Pandemic model Through Artificial Intelligence

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Computers, materials & Continua 2023年第3期74卷 6807-6822页

作者： manal m.Alqarni Arooj Nasir Dumitru Baleanu Ali Raza Tahir Nawaz Cheema Nauman Ahmed muhammad Rafiq Umbreen Fatima Emad E.mahmoud Department of mathematics College of SciencesKing Khalid UniversityAbha61413Saudi Arabia Baqai medical University Karachi75340Pakistan Shalamar medical and Dental College Lahore54000Pakistan Department of mathematics Cankaya UniversityBalgatAnkara06530Turkey Department of medical Research China Medical UniversityTaichung40402TaiwanChina Institute of Space Sciences Magurele-Bucharest077125Romania Department of mathematics Govt.Maulana Zafar Ali Khan Graduate College WazirabadPunjab Higher Education Department(PHED)Lahore54000Pakistan Department of mathematics University of GujratGujrat52200Pakistan Department of mathematics and Statistics The University of LahoreLahore54590Pakistan Department of mathematics Faculty of Science and TechnologyUniversity of Central PunjabLahore54000Pakistan Department of Computer Science University of LahoreLahore54590Pakistan Department of mathematics and Statistics College of ScienceTaif UniversityP.O.Box11099Taif21944Saudi Arabia

Artificial intelligence is demonstrated by machines,unlike the natural intelligence displayed by animals,including *** intelligence research has been defined as the field of study of intelligent agents,which refers to any system that perceives its environment and takes actions that maximize its chance of achieving its *** techniques of intelligent computing solve many applications of mathematical *** researchworkwas designed via a particularmethod of artificial neural networks to solve the mathematical model of *** representation of the mathematical model is made via systems of nonlinear ordinary differential *** differential equations are established by collecting the susceptible,the exposed,the symptomatic,super spreaders,infection with asymptomatic,hospitalized,recovery,and fatality *** generation of the coronavirus model’s dataset is exploited by the strength of the explicit Runge Kutta method for different countries like India,Pakistan,Italy,and many *** generated dataset is approximately used for training,validation,and testing processes for each cyclic update in Bayesian Regularization Backpropagation for the numerical treatment of the dynamics of the desired *** performance and effectiveness of the designed methodology are checked through mean squared error,error histograms,numerical solutions,absolute error,and regression analysis.

关键词： Coronavirus model artificial techniques analysis

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modeling of Computer Virus Propagation with Fuzzy Parameters

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Computers, materials & Continua 2023年第3期74卷 5663-5678页

作者： Reemah m.Alhebshi Nauman Ahmed Dumitru Baleanu Umbreen Fatima Fazal Dayan muhammad Rafiq Ali Raza muhammad Ozair Ahmad Emad E.mahmoud Computer Science Department Faculty of Computing and Information TechnologyKing Abdulaziz UniversityJeddahSaudi Arabia Department of mathematics and Statistics University of LahoreLahore54590Pakistan Department of mathematics Cankaya UniversityBalgatAnkara06530Turkey Department of medical Research China Medical UniversityTaichung406040TaiwanChina Institute of Space Sciences Magurele-Bucharest077125Romania Department of Computer Science University of LahoreLahore54590Pakistan Department of mathematics School of ScienceUniversity of Management and TechnologyLahore54000Pakistan Department of mathematics Faculty of Science and TechnologyUniversity of Central PunjabLahore54000Pakistan Department of mathematics Near East University TRNCMersin10Turkey Department of mathematics Government Maulana Zafar Ali Khan Graduate College WazirabadPunjab Higher Education Department(PHED)Lahore5400Pakistan Department of mathematics and Statistics College of ScienceTaif UniversityP O Box11099Taif21944Saudi Arabia

Typically,a computer has infectivity as soon as it is *** is a reality that no antivirus programming can identify and eliminate all kinds of viruses,suggesting that infections would persevere on the *** understand the dynamics of the virus propagation in a better way,a computer virus spread model with fuzzy parameters is presented in this *** is assumed that all infected computers do not have the same contribution to the virus transmission process and each computer has a different degree of infectivity,which depends on the quantity of *** this,the parametersβandγbeing functions of the computer virus load,are considered fuzzy *** fuzzy theory helps us understand the spread of computer viruses more realistically as these parameters have fixed values in classical *** essential features of the model,like reproduction number and equilibrium analysis,are discussed in fuzzy ***,with fuzziness,two numerical methods,the forward Euler technique,and a nonstandard finite difference(NSFD)scheme,respectively,are developed and *** the evidence of the numerical simulations,the proposed NSFD method preserves the main features of the dynamic *** can be considered a reliable tool to predict such types of solutions.

关键词： SIR model fuzzy parameters computer virus NSFD scheme stability

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measurement of the integrated Luminosities of cross-section scan data samples around theψ(3770)mass region

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Chinese Physics C 2018年第6期42卷 1-8页

作者： m. Ablikim m. N. Achasov S. Ahmed m. Albrecht m. Alekseev A. Amoroso F. F. An Q. An Y. Bai O. Bakina R. Baldini Ferroli Y. Ban K. Begzsuren D. W. Bennett J. V. Bennett N. Berger m. Bertani D. Bettoni F. Bianchi E. Boger I. Boyko R. A. Briere H. Cai X. Cai O. Cakir A. Calcaterra G. F. Cao S. A. Cetin J. Chai J. F. Chang W. L. Chang G. Chelkov G. Chen H. S. Chen J. C. Chen m. L. Chen P. L. Chen S. J. Chen X. R. Chen Y. B. Chen X. K. Chu G. Cibinetto F. Cossio H. a. Dai, J. F. Dai A. Dbeyssi D. Dedovich Z. Y. Deng A. Denig I. Denysenko m. Destefanis F. De mori Y. Ding C. Dong J. Dong L. Y. Dong m. Y. Dong Z. L. Dou S. X. Du P. F. nuan J. Fang S. S. Fang Y. Fang R. Farinelli L. Fava S. Fegan F. Feldbauer G. Felici C. Q. Feng E. Fioravanti m. Fritsch C. D. Fu Q. Gao X. L. Gao Y. Gao, Y. G. Gao Z. Gao B. Garillon I. Garzia A. Gilman K. Goetzen L. Gong W. X. Gong W. Gradl m. Greco L. m. Gu m. H. Gu Y. T. Gu A. q. Guo L. B. Guo R. P. Guo Y. F. Guo A. Guskov Z. Haddadi S. Han X. Q. Hao F. A. Harris Z. L. He X. O. He F. H. Heinsius T. Held Y. K. Heng T. Holtmann Z. L. Hou H. m. Hu J. F. gu T. Hu Y. Hu G. S. Huang J. S. Huang X. T. Huang X. Z. Huang Z. L. guang T. Hussain W. Ikegami Andersson m Irshad Q. Ji Q. P. Ji X. B. Ji X. L. Ji X. S. Jiang X. Y. Jiang J. B. Jiao Z. Jiao D. P. Jin S. Jin Y. Jin T. Johansson A. Julin N. Kalantar-Nayestanaki X. S. Kang m. Kavatsyuk B. C. Ke T. Khan A. Khoukaz P. Kiese R. Kliemt L. Koch O. B. Kolcu B. Kopf m. Kornicer m. Kuemmel m. Kuessner A. Kupsc m. Kurth W. Kiihn J. S. Lange m. Lara P. Larin L. Lavezzi S. Leiber H. Leithofi C. Li Cheng Li D. m. Li F. Li F. Y. Li G. Li H. B. Li H. J. Li J. C. Li J. W. Li K. J. Li Kang Li Ke Li Lei Li P. L. Li P. R. Li Q. Y. Li T. Li W. D. Li W. G. Li X. L. Li X. N. Li X. Q. Li Z. B. Li H. Liang Y. F. Liang Y. T. Liang G. R. Liao L. Z. Liao J. Libby C. X. Lin D. X. Lin S. Liu B. J. Liu C. X. Liu D. Liu D. Y. Liu F. H. Liu Fang Liu Feng Liu H. B. Liu H. L Liu H. m. Liu Huanhuan Liu Huihui Liu J. B. Liu J. Y. Liu K. Liu K. Y. Liu Ke Liu L. D. Liu Q. Liu S B. Y. Zhang144 C. C. Zhang1D. H. Zhang1 H. H. Zhang45H. Y. Zhang144 J. Zhang151 J. L. Zhang65 J. Q. Zhang4 J. W. Zhang1 J. Y. Zhang1 J. Z. Zhang151 K. Zhang151 L. Zhang46 S. F. Zhang35 T. J. Zhang3975 X. Y. Zhang38 Y. Zhang4457 Y. H. Zhang144 Y. T. Zhang4557 Yang Zhang1 Yao Zhang1 Yu Zhang51 Z. H. Zhang6 Z. P. Zhan57Z. Y. Zhang64 G. Zhao1J. W. Zhao144 J. Y. Zhao151 J. Z. Zhao144 Lei Zhao4457 Ling Zhao1 M. G. Zhao35 Q. Zhao1 S. J. Zhao67 T. C. Zhao1 Y. B. Zhao144 Z. G. Zhao4457 A. Zhemehugov2869 B. Zheng58J. P. Zheng144 W. J. Zheng38 Y. H. Zheng51B. Zhong33 L. Zhou144 Q. Zhou151 X. Zhou64 X. K. Zhou4457 X. R. Zhou4457 X. Y. Zhou1 A. N. Zhu151 J. Zhu35 J. Zhu45 K. Zhu1 K. J. Zhu1 S. Zhu1 S. H. Zhu56 X. L. Zhu46 Y. C. Zhu4457 Y. S. Zhu151 Z. A. Zhu151 J. Zhuang144B. S. Zou1 J. H. Zou1 （ 1 Institute of High Energy Physics Beijing 100049 China Beihang University Beijing 100191 China Beijing Institute of Petrochemical Technology Beijing 102617 China Bochum Ruhr-University D-44780 Bochum Germany Carnegie mellon University Pittsburgh Pennsylvania 15213 USA Central China Normal University Wuhan 430079 China China Center of Advanced Science and Technology Beijing 100190 China COmSATS Institute of Information Technology Lahore Defence Road Off Raiwind Road 54000 Lahore Pakistan G.I. Budker Institute of Nuclear Physics SB RAS （BINP） Novosibirsk 630090 Russia GSI Helmholtzcentre for Heavy Ion Research GmbH D-64291 Darmstadt Germany Guangxi Normal University Guilin 541004 China Guangxi University Nanning 530004 China Hangzhou Normal University Hangzhou 310036 China Helmholtz Institute mainz JohannwJoachim-Becher-Weg 45 D-55099 Mainz Germany Henan Normal University Xinxiang 453007 China Henan University of Science and Technology Luoyang 471003 China Huangshan College Huangshan 245000 China Hunan Normal University Changsha 410081 China Hunan University Changsha 410082 China Indian Institute of Tec

To investigate the nature of the Ψ（3770） resonance and to measure the cross section for e^＋e^-→DD, a cross-section scan data sample, distributed among 41 center-of-mass energy points from 3.73 to 3.89 GeV, was taken with the BESIII detector operated at the BEPCII collider in the year 2010. By analyzing the large angle Bhabha scattering events, we measure the integrated luminosity of the data sample at each center-of-mass energy point. The total integrated luminosity of the data sample is 76.16±0.04±0.61 pb^-1, where the first uncertainty is statistical and the second systematic.

关键词： Bhabha scattering events integrated luminosity BESⅢ

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Number of J/ψ events at BESIII

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Chinese Physics C 2022年第7期46卷 74-84页

作者： m.Ablikim m.N.Achasov P.Adlarson S.Ahmed m.Albrecht R.Aliberti A.Amoroso m.R.An Q.An X.H.Bai Y.Bai O.Bakina R.Baldini Ferroli I.Balossino Y.Ban K.Begzsuren N.Berger m.Bertani D.Bettoni F.Bianchi J.Bloms A.Bortone I.Boyko R.A.Briere H.Cai X.Cai A.Calcaterra G.F.Cao N.Cao S.A.Cetin J.F.Chang W.L.Chang G.Chelkov G.Chen H.S.Chen m.L.Chen S.J.Chen X.R.Chen Y.B.Chen Z.J.Chen W.S.Cheng G.Cibinetto F.Cossio J.J.Cui X.F.Cu H.L.Dai J.P.Dai X.C.Dai A.Dbeyssi R.E.de Boer D.Dedovich Z.Y.Deng A.Denig I.Denysenko m.Destefanis F.De mori Y.Ding C.Dong J.Dong L.Y.Dong m.Y.Dong X.Dong S.X.Du P.Egorov Y.L.Fan J.Fang S.S.Fang Y.Fang R.Farinelli L.Fava F.Feldbauer G.Felici C.Q.Feng J.H.Feng m.Fritsch C.D.Fu Y.Gao Y.Gao I.Garzia P.T.Ge C.Geng E.m.Gersabeck A Gilman K.Goetzen L.Gong W.X.Gong W.Gradl m.Greco L.m.Gu m.H.Gu C..Y.Guan A.Q.Guo A.Q.Guo L.B.Guo R.P.Guo Y.P.Guo A.Guskov T.T.Han W.Y.Han X.Q.Hao F.A.Harris K.K.He K.L.He F.H.Heinsius C.H.Heinz Y.K.Heng C.Herold m.Himmelreich T.Holtmann G.Y.Hou Y.R.Hou Z.L.Hou H.m.Hu J.F.Hu T.Hu Y.Hu G.S.Huang L.Q.Huang X.T.Huang Y.P.Huang Z.Huang T.Hussain N Husken W.Ikegami Andersson W.Imoehl m.Irshad S.Jaeger S.Janchiv Q.Ji Q.P.Ji X.B.Ji X.L.Ji Y.Y.Ji H.B.Jiang X.S.Jiang J.B.Jiao Z.Jiao S.Jin Y.Jin m.Q.Jing T.Johansson N.Kalantar-Nayestanaki X.S.Kang R.Kappert m.Kavatsyuk B.C.Ke I.K.Keshk A.Khoukaz P.Kiese R.Kiuchi R.Kliemt L.Koch O.B.Kolcu B.Kopf m.Kuemmel m.Kuessner A.Kupsc m.G.Kurth W.Kuhn J.J.Lane J.S.Lange P.Larin A.Lavania L.Lavezzi Z.H.Lei H.Leithoff m.Lellmann T.Lenz C.Li C.H.Li Cheng Li D.m.Li F.Li G.Li H.Li H.Li H.B.Li H.J.Li H.N.Li J.L.Li J.Q.Li J.S.Li Ke Li L.K.Li Lei Li P.R.Li S.Y.Li W.D.Li W.G.Li X.H.Li X.L.Li Xiaoyu Li Z.Y.Li H.Liang H.Liang H.Liang Y.F.Liang Y.T.Liang G.R.Liao L.Z.Liao J.Libby A.Limphirat C.X.Lin D.X.Lin T.Lin B.J.Liu C.X.Liu D.Liu F.H.Liu Fang Liu Feng Liu G.m.Liu H.m.Liu Huanhuan Liu Huihui Liu J.B.Liu J.L.Liu J.Y.Liu K.Liu K.Y.Liu Ke Liu L.Liu m.H.Liu P.L.Liu Q.Liu Q.Liu S.B.Liu T.Liu T.Liu W.m.Liu X.Liu Y.Liu Y.B.Liu Z.A.Liu Z.Q.Liu X.C.Lou F.X.Lu H.J.Lu J.D. Institute of High Energy Physics Beijing 100049China Beihang University Beijing 100191China Beijing Institute of Petrochemical Technology Beijing 102617China Bochum Ruhr-University D-44780 BochumGermany Camnegie mellon University PittsburghPennsylvania 15213USA Central China Normal University Wuhan 430079China China Center of Advanced Science and Technology Beijing 100190China COmSATS University Islamabad Lahore CampusDefence RoadOff Raiwind Road54000 LahorePakistan Fudan University Shanghai 200443China G.I.Budker Institute of Nuclear Physies SBRAS(BINP) Novosibirsk 630090Russia GSI Helmholtzcentre for Heavy Ion Research GmbH D-64291 DarmstadtGermany Guangxi Normal University Guilin 541004China Hangzhou Normal University Hangzhou 310036China Helmholtz Institute mainz Staudinger Weg 18D-55099 MainzGermany Henan Normal University Xinxiang 453007China Henan University of Science and Technology Luoyang 471003China Henan University of Technology Zhengzhou 450001China Huangshan College Huangshan 245000China Hunan Normal University Changsha 410081China Hunan University Changsha 410082China Indian Institute of Technology madras Chennai 600036India Indiana University BloomingtonIndiana 47405USA INFN Laboratori Nazionali di Frascati I-00044FrascatiItaly INFN Sezione di Perugia I-06100PerugiaItaly University of Perugia I-06100PerugiaItaly University of Ferrara I-44122FerraraItaly Institute of modern Physics Lanzhou 730000China Institute of Physies and Technology Peace Ave 54BUlaanbaatar 13330Mongolia Jilin University Changchun 130012China Johannes Gutenberg University of mainz Johann-Joachim-Becher-Weg 45D-55099 MainzGermany Joint Institute for Nuclear Research 141980 DubnaMoscow regionRussia Justus-Liebig-Universitaet Giessen Ⅱ.Physikaliches InstitutHeinricH-Buff-Ring 16D-35392 GiessenGermany Lanzhou University Lnzhou 730000China Liaoning Normal University Dalian 116029China Liaoning University Shenyang 110036China Nanjing Normal University Nanjing 210023China Nanjing Univ

Using inclusive decays of J/ψ aprecise determination of the number of J/ψ events collected with the BESIII detector was *** the two data sets taken in 2009 and 2012,the numbers of J/ψ events were recalculated to be(224.0±1.3)×10^(6) and(1088.5±4.4)×10^(6),respectively;these numbers are in good agreement with the previous measurements. For the J/ψ sample taken in 2017-2019,the number of events was determined to be(8774.0±39.4)×10^(6).The total number of J/ψ events collected with the BESIII detector was determined to be(10087±44)×10^(6),where the uncertainty is dominated by systematic effects,and the statistical uncertainty is negligible.

关键词： number of J/ψevents BESIII detector inclusive J/ψdecays

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Study of BESIII trigger efficiencies with the 2018 J/ψ data

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Chinese Physics C 2021年第2期45卷 48-55页

作者： m.Ablikim m.N.Achasov P.Adlarson S.Ahmed m.Albrecht R.Aliberti A.Amoroso m.R.An Q.An X.H.Bai Y.Bai O.Bakina R.Baldini Ferroli I.Balossino Y.Ban K.Begzsuren N.Berger m.Bertani D.Bettoni F.Bianchi J.Bloms A.Bortone I.Boyko R.A.Briere H.Cai X.Cai A.Calcaterra G.F.Cao N.Cao S.A.Cetin J.F.Chang W.L.Chang G.Chelkov D.Y.Chen G.Chen H.S.Chen m.L.Chen S.J.Chen X.R.Chen Y.B.Chen Z.J Chen W.S.Cheng G.Cibinetto F.Cossio X.F.Cui H.L.Dai X.C.Dai A.Dbeyssi R.E.de Boer D.Dedovich Z.Y.Deng A.Denig I.Denysenko m.Destefanis F.De mori Y.Ding C.Dong J.Dong L.Y.Dong m.Y.Dong X.Dong S.X.Du Y.L.Fan J.Fang S.S.Fang Y.Fang R.Farinelli L.Fava F.Feldbauer G.Felici C.Q.Feng J.H.Feng m.Fritsch C.D.Fu Y.Gao Y.Gao Y.Gao Y.G.Gao I.Garzia P.T.Ge C.Geng E.m.Gersabeck A Gilman K.Goetzen L.Gong W.X.Gong W.Gradl m.Greco L.m.Gu m.H.Gu S.Gu Y.T.Gu C.Y Guan A.Q.Guo L.B.Guo R.P.Guo Y.P.Guo A.Guskov T.T.Han W.Y.Han X.Q.Hao F.A.Harris H Hüsken K.L.He F.H.Heinsius C.H.Heinz T.Held Y.K.Heng C.Herold m.Himmelreich T.Holtmann Y.R.Hou Z.L.Hou H.m.Hu J.F.Hu T.Hu Y.Hu G.S.Huang L.Q.Huang X.T.Huang Y.P.Huang Z.Huang T.Hussain W.Ikegami Andersson W.Imoehl m.Irshad S.Jaeger S.Janchiv Q.Ji Q.P.Ji X.B.Ji X.L.Ji H.B.Jiang X.S.Jiang J.B.Jiao Z.Jiao S.Jin Y.Jin T.Johansson N.Kalantar-Nayestanaki X.S.Kang R.Kappert m.Kavatsyuk B.C.Ke I.K.Keshk A.Khoukaz P.Kiese R.Kiuchi R.Kliemt L.Koch O.B.Kolcu B.Kopf m.Kuemmel m.Kuessner A.Kupsc m.G.Kurth W.Kühn J.J.Lane J.S.Lange P.Larin A.Lavania L.Lavezzi Z.H.Lei H.Leithoff m.Lellmann T.Lenz C.Li C.H.Li Cheng Li D.m.Li F.Li G.Li H.Li H.Li H.B.Li H.J.Li J.L.Li J.Q.Li J.S.Li Ke Li L.K.Li Lei Li P.R.Li S.Y.Li W.D.Li W.G.Li X.H.Li X.L.Li Z.Y.Li H.Liang H.Liang H.Liang Y.F.Liang Y.T.Liang L.Z.Liao J.Libby C.X.Lin B.J.Liu C.X.Liu D.Liu F.H.Liu Fang Liu Feng Liu H.B.Liu H.m.Liu Huanhuan Liu Huihui Liu J.B.Liu J.L.Liu J.Y.Liu K.Liu K.Y.Liu Ke Liu L.Liu m.H.Liu P.L.Liu Q.Liu Q.Liu S.B.Liu Shuai Liu T.Liu W.m.Liu X.Liu Y.Liu Y.B.Liu Z.A.Liu Z.Q.Liu X.C.Lou F.X.Lu H.J.Lu J.D.Lu J.G.Lu X.L.Lu Y.Lu Y.P.Lu C.L.Luo m.X.Luo b P.W.Luo T.Luo X.L.Luo S Institute of High Energy Physics Beijing 100049China Beihang University Beijing 100191China Beijing Institute of Petrochemical Technology Beijing 102617China Bochum Ruhr-University D-44780 BochumGermany Carnegie mellon University PittsburghPennsylvania 15213USA Central China Normal University Wuhan 430079China China Center of Advanced Science and Technology Beijing 100190China COmSATS University Islamabad Lahore CampusDefence RoadOff Raiwind Road54000 LahorePakistan Fudan University Shanghai 200443China GIBudker Institute of Nuclear Physics SB RAS(BINP) Novosibirsk 630090Russia GSI Helmholtzcentre for Heavy Ion Research GmbH D-64291 DarmstadtGermany Guangxi Normal University Guilin 541004China Guangxi University Nanning 530004China Hangzhou Normal University Hangzhou 310036China Helmholtz Institute mainz Johann-Joachim-Becher-Weg 45D-55099 MainzGermany Henan Normal University Xinxiang 453007China Henan University of Science and Technology Luoyang 471003China Huangshan College Huangshan 245000China Hunan Normal University Changsha 410081China Hunan University Changsha 410082China Indian Institute of Technology madras Chennai 600036India Indiana University BloomingtonIndiana 47405USA (A)INFN Laboratori Nazionali di Frascati I-00044FrascatiItaly(B)INFN Sezione di PerugiaI-06100PerugiaItaly(C)University of PerugiaI-06100PerugiaItaly (A)INFN Sezione di Ferrara I-44122FerraraItaly(B)University of FerraraI-44122FerraraItaly Institute of modern Physics Lanzhou 730000China Institute of Physics and Technology Peace Ave54BUlaanbaatar 13330Mongolia Jilin University Changchun 130012China Johannes Gutenberg University of mainz Johann-Joachim-Becher-Weg 45D-55099 MainzGermany Joint Institute for Nuclear Research 141980 DubnaMoscow regionRussia Justus-Liebig-Universitaet Giessen IIPhysikalisches InstitutHeinrich-Buff-Ring 16D-35392GiessenGermany KVI-CART University of GroningenNL-9747 AA GroningenThe Netherlands Lanzhou University Lanzhou 730000China Liaoning Normal Unive

Using a dedicated data sample taken in 2018 on the J/ψpeak,we perform a detailed study of the trigger efficiencies of the BESIII *** efficiencies are determined from three representative physics processes,namely Bhabha scattering,dimuon production and generic hadronic events with charged *** combined efficiency of all active triggers approaches 100%in most cases,with uncertainties small enough not to affect most physics analyses.

关键词： BESIII trigger efficiency Bhabha dimuon hadronic events

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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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Observation of the Y(4230)and a new structure in e^(+)e^(-)→K^(+)K^(-)J/Ψ

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Chinese Physics C 2022年第11期46卷 7-21页

作者： m.Ablikim m.N.Achasov P.Adlarson m.Albrecht R.Aliberti A.Amoroso m.R.An Q.An X.H.Bai Y.Bai O.Bakina R.Baldini Ferroli I.Balossino Y.Ban V.Batozskaya D.Becker K.Begzsuren N.Berger m.Bertani D.Bettoni F.Bianchi J.Bloms A.Bortone I.Boyko R.A.Briere A.Brueggemann H.Cai X.Cai A.Calcaterra G.F.Cao N.Cao S.A.Cetin J.F.Chang W.L.Chang G.Chelkov C.Chen G.Chen H.S.Chen m.L.Chen S.J.Chen T.Chen X.R.Chen X.T.Chen Y.B.Chen Z.J.Chen W.S.Cheng X.Chu G.Cibinetto F.Cossio J.J.Cui H.L.Dai J.P.Dai A.Dbeyssi R.Ede Boer D.Dedovich Z.Y.Deng A.Denig I.Denysenko m.Destefanis F.De mori Y.Ding J.Dong L.Y.Dong m.Y.Dong X.Dong S.X.Du P.Egorov Y.L.Fan J.Fang S.S.Fang W.X.Fang Y.Fang R.Farinelli L.Fava F.Feldbauer G.Felici C.Q.Feng J.H.Feng K Fischer m.Fritsch C.Fritzsch C.D.Fu H.Gao Y.N.Gao Yang Gao S.Garbolino I.Garzia P.T.Ge C.Geng E.m.Gersabeck A Gilman K.Goetzen L.Gong W.X.Gong W.Gradl m.Greco m.H.Gu C.Y Guan A.Q.Guo L.B.Guo R.P.Guo Y.P.Guo A.Guskov T.T.Han W.Y.Han X.Q.Hao F.A.Harris K.K.He K.L.He F.H.Heinsius C.H.Heinz Y.K.Heng C.Herold m.Himmelreich T.Holtmann G.Y.Hou Y.R.Hou Z.L.Hou H.m.Hu J.F.Hu T.Hu Y.Hu G.S.Huang K.X.Huang L.Q.Huang L.Q.Huang X.T.Huang Y.P.Huang Z.Huang T.Hussain N Husken W.Imoehl m.Irshad J.Jackson S.Jaeger S.Janchiv Q.Ji Q.P.Ji X.B.Ji X.L.Ji Y.Y.Ji Z.K.Jia H.B.Jiang S.S.Jiang X.S.Jiang Y.Jiang J.B.Jiao Z.Jiao S.Jin Y.Jin m.Q.Jing T.Johansson N.Kalantar-Nayestanaki X.S.Kang R.Kappert m.Kavatsyuk B.C.Ke I.K.Keshk A.Khoukaz P.Kiese R.Kiuchi R.Kliemt L.Koch O.B.Kolcu B.Kopf m.Kuemmel m.Kuessner A.Kupsc W.Kuhn J.J.Lane J.S.Lange P.Larin A.Lavania L.Lavezzi Z.H.Lei H.Leithoff m.Lellmann T.Lenz C.Li C.Li C.H.Li Cheng Li D.m.Li F.Li G.Li H.Li H.Li H.B.Li H.J.Li H.N.Li J.Q.Li J.S.Li J.W.Li Ke Li L.J Li L.K.Li Lei Li m.H.Li P.R.Li S.X.Li S.Y.Li T.Li W.D.Li W.G.Li X.H.Li X.L.Li Xiaoyu Li Z.Y.Li H.Liang H.Liang H.Liang Y.F.Liang Y.T.Liang G.R.Liao L.Z.Liao J.Libby A.Limphirat C.X.Lin D.X.Lin T.Lin B.J.Liu C.X.Liu D.Liu F.H.Liu Fang Liu Feng Liu G.m.Liu H.Liu H.m.Liu Huanhuan Liu Huihui Liu J.B.Liu J.L.Liu J.Y.Liu K.Liu K.Y.L Institute of High Energy Physics Beijing 100049China Beihang University Beijing 100191China Beijing Institute of Petrochemical Technology Beijing 102617China Bochum Ruhr-University D-44780 BochumGermany Carnegie mellon University PittsburghPennsylvania 15213USA Central China Normal University Wuhan 430079China China Center of Advanced Science and Technology Beijing 100190China COmSATS University Islamabad Lahore CampusDefence RoadOff Raiwind Road54000 LahorePakistan Fudan University Shanghai 200433China G.I.Budker Institute of Nuclear Physics SB RAS(BINP) Novosibirsk 630090Russia GSI Helmholtzcentre for Heavy Ion Research GmbH D-64291 DarmstadtGermany Guangxi Normal University Guilin 541004China Hangzhou Normal University Hangzhou 310036China Helmholtz Institute mainz Staudinger Weg 18D-55099 MainzGermany Henan Normal University Xinxiang 453007China Henan University of Science and Technology Luoyang 471003China Henan University of Technology Zhengzhou 450001China Huangshan College Huangshan 245000China Hunan Normal University Changsha 410081China Hunan University Changsha 410082China Indian Institute of Technology madras Chennai 600036India Indiana University BloomingtonIndiana 47405USA INFN Laboratori Nazionali di Frascati INFN Laboratori Nazionali di FrascatiI-00044FrascatiItaly INFN Laboratori Nazionali di Frascati INFN Sezione di PerugiaI-06100PerugiaItaly INFN Laboratori Nazionali di Frascati University of PerugiaI-06100PerugiaItaly INFN Sezione di Ferrara INFN Sezione di FerraraI-44122FerraraItaly INFN Sezione di Ferrara University of FerraraI-44122FerraraItaly Institute of modern Physics Lanzhou 730000China Institute of Physics and Technology Peace Ave.54BUlaanbaatar 13330Mongolia Jilin University Changchun 130012China Johannes Gutenberg University of mainz Johann-Joachim-Becher-Weg 45D-55099 MainzGermany Joint Institute for Nuclear Research 141980 DubnaMoscow regionRussia Justus-Liebig-Universitaet Giessen II.Physikalisches InstitutHeinrich-Buff-Ring 16

The cross sections of e^(+)e^(-)→K^(+)K^(-)J/Ψat center-of-mass energies from 4.127 to 4.600 GeV are measured based on 15.6 fb-1data collected with the BESⅢ detector operating at the BEPCⅡ storage *** resonant structures are observed in the line shape of the cross *** mass and width of the first structure are measured to be(4225.3±2.3±21.5)meV and(72.9±6.1±30.8)meV,*** are consistent with those of the established Y(4230).The second structure is observed for the first time with a statistical significance greater than 8σ,denoted as Y(4500).Its mass and width are determined to be(4484.7±13.3±24.1)meV and(111.1±30.1±15.2)meV,*** first presented uncertainties are statistical and the second ones are *** product of the electronic partial width with the decay branching fractionΓ(Y(4230)→e^(+)e^(−))B(Y(4230)→K^(+)K^(−)J/Ψ)is reported.

关键词： Y states charmonium-like states BESⅢ

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measurements of the center-of-mass energies of e^(+)e^(-)collisions at BESIII

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Chinese Physics C 2021年第10期45卷 7-15页

作者： m.Ablikim m.N.Achasov P.Adlarson S.Ahmed m.Albrecht R.Aliberti A.Amoroso m.R.An Q.An X.H.Bai Y.Bai O.Bakina R.Baldini Ferroli I.Balossino Y.Ban K.Begzsuren N.Berger m.Bertani D.Bettoni F.Bianchi J.Bloms A.Bortone I.Boyko R.A.Briere H.Cai X.Cai A.Calcaterra G.F.Cao N.Cao S.A.Cetin J.F.Chang W.L.Chang G.Chelkov D.Y.Chen G.Chen H.S.Chen m.L.Chen S.J.Chen X.R.Chen Y.B.Chen Z.J.Chen W.S.Cheng G.Cibinetto F.Cossio X.F.Cui H.L.Dai X.C.Dai A.Dbeyssi R.E.de Boer D.Dedovich Z.Y.Deng A.Denig I.Denysenko m.Destefanis F.De mori Y.Ding C.Dong J.Dong L.Y.Dong m.Y.Dong X.Dong S.X.Du Y.L.Fan J.Fang S.S.Fang Y.Fang R.Farinelli L.Fava F.Feldbauer G.Felici C.Q.Feng J.H.Feng m.Fritsch C.D.Fu Y.Gao Y.Gao Y.Gao Y.G.Gao I.Garzia P.T.Ge C.Geng E.m.Gersabeck A Gilman K.Goetzen L.Gong W.X.Gong W.Gradl m.Greco L.m.Gu m.H.Gu Y.T.Gu C.Y Guan A.Q.Guo L.B.Guo R.P.Guo Y.P.Guo A.Guskov T.T.Han W.Y.Han X.Q.Hao F.A.Harris K.L.He F.H.Heinsius C.H.Heinz T.Held Y.K.Heng C.Herold m.Himmelreich T.Holtmann G.Y.Hou Y.R.Hou Z.L.Hou H.m.Hu J.F.Hu T.Hu Y.Hu G.S.Huang L.Q.Huang X.T.Huang Y.P.Huang Z.Huang T.Hussain N Husken W.Ikegami Andersson W.Imoehl m.Irshad S.Jaeger S.Janchiv Q.Ji Q.P.Ji X.B.Ji X.L.Ji Y.Y.Ji H.B.Jiang X.S.Jiang J.B.Jiao Z.Jiao S.Jin Y.Jin m.Q.Jing T.Johansson N.Kalantar-Nayestanaki X.S.Kang R.Kappert m.Kavatsyuk B.C.Ke I.K.Keshk A.Khoukaz P.Kiese R.Kiuchi R.Kliemt L.Koch O.B.Kolcu B.Kopf m.Kuemmel m.Kuessner A.Kupsc m.G.Kurth W.Kuhn J.J.Lane J.S.Lange P.Larin A.Lavania L.Lavezzi Z.H.Lei H.Leithoff m.Lellmann T.Lenz C.Li C.H.Li Cheng Li D.m.Li F.Li G.Li H.Li H.Li H.B.Li H.J.Li J.L.Li J.Q.Li J.S.Li Ke Li L.K.Li Lei Li P.R.Li S.Y.Li W.D.Li W.G.Li X.H.Li X.L.Li Xiaoyu Li Z.Y.Li H.Liang H.Liang H.Liang Y.F.Liang Y.T.Liang G.R.Liao L. Z. Liao J.Libby C.X.Lin B.J.Liu C.X.Liu D.Liu F.H.Liu Fang Liu Feng Liu H.B.Liu H.m.Liu Huanhuan Liu Huihui Liu J.B.Liu J.L.Liu J.Y.Liu K.Liu K.Y.Liu L.Liu m.H.Liu P.L.Liu Q.Liu Q.Liu S.B.Liu Shuai Liu T.Liu W.m.Liu X.Liu Y.Liu Y.B.Liu Z.A.Liu Z.Q.Liu X.C.Lou F.X.Lu H.J.Lu J.D.Lu J.G.Lu X.L.Lu Y.Lu Y.P.Lu C.L.Luo Institute of High Energy Physics Beijing 100049China Beihang University Beijing 100191China Beijing Institute of Petrochemical Technology Beijing 102617China Bochum Ruhr-University D-44780 BochumGermany Carnegie mellon University PittsburghPennsylvania 15213USA Central China Normal University Wuhan 430079China China Center of Advanced Science and Technology Beijing 100190China COmSATS University Islamabad Lahore CampusDefence RoadOff Raiwind Road54000 LahorePakistan Fudan University Shanghai 200443China G.I.Budker Institute of Nuclear Physics SB RAS(BINP) Novosibirsk 630090Russia GSI Helmholtzcentre for Heavy Ion Research GmbH D-64291 DarmstadtGermany Guangxi Normal University Guilin 541004China Guangxi University Nanning 530004China Hangzhou Normal University Hangzhou 310036China Helmholtz Institute mainz Staudinger Weg 18D-55099 MainzGermany Henan Normal University Xinxiang 453007China Henan University of Science and Technology Luoyang 471003China Huangshan College Huangshan 245000China Hunan Normal University Changsha 410081China Hunan University Changsha 410082China Indian Institute of Technology madras Chennai 600036India Indiana University BloomingtonIndiana 47405USA INFN Laboratori Nazionali di Frascati INFN Laboratori Nazionali di FrascatiI-00044FrascatiItaly INFN Laboratori Nazionali di Frascati INFN Sezione di PerugiaI-06100PerugiaItaly INFN Laboratori Nazionali di Frascati University of PerugiaI-06100PerugiaItaly INFN Sezione di Ferrara INFN Sezione di FerraraI-44122FerraraItaly INFN Sezione di Ferrara University of FerraraI-44122FerraraItaly 25Institute of Modern PhysicsLanzhou 730000China Institute of modern Physics Lanzhou 730000China Institute of Physics and Technology Peace Ave.54BUlaanbaatar 13330Mongolia Jilin University Changchun 130012China Johannes Gutenberg University of mainz Johann-Joachim-Becher-Weg 45D-55099 MainzGermany Joint Institute for Nuclear Research 141980 DubnaMoscow regionRussia Justus-Liebig-Universitaet Giessen II.Physikali

During the 2016-17 and 2018-19 running periods,the BESIII experiment collected 7.5 fb of e^(+)e^(-)collision data at center-of-mass energies ranging from 4.13 to 4.44 *** data samples are primarily used for the study of excited charmonium and charmoniumlike *** analyzing the di-muon process e^(+)e^(-)→(γISR=FSR)μ^(+)μ^(-),we measure the center-of-mass energies of the data samples with a precision of 0.6 *** a run-by-run study,we find that the center-of-mass energies were stable throughout most of the data-collection period.

关键词： center-of-mass energy e^(+)e^(-) annihilation BESIII

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