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A SIMPliFIED SUBREgULAR SOLUTION MODEL DESCRIBINg THE ACTIVITES OF MgCl_2 IN BOTH KCl-MgCl _2-liCl AND CaCl_2-MgCl_2-NaCl MOLTEN SALT SySTEMS

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Acta Metallurgica Sinica(English Letters) 1999年第5期12卷 1159-1163页

作者： Q.R.Zhang,y.g.li and Z.Fang Department of Chemistry, Central South University of Technology, Changsha 410083, China

A simplified subregular solution model was developed for describing the activities of MgCl 2 in both KCl MgCl 2 liCl and CaCl 2 MgCl 2 NaCl systems on the assumption that the electrolytes in the solution are treated as independent particles in stead of their ion forms and the interchange energy between the KCl liCl (or CaCl 2 NaCl) pair is ignored as compared to those of the KCl MgCl 2(or CaCl 2 MgCl 2) and MgCl 2 liCl (or MgCl 2 NaCl) pairs. The calculating results on the model agree with the observed very well.

关键词： activity MgCl 2 electrolyte solution model interchange energy

The design and performance of charged particle detector onboard the gECAM mission

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Radiation Detection Technology and Methods 2022年第1期6卷 53-62页

作者： y.B.Xu X.Q.li X.L.Sun S.yang H.Wang W.X.Peng X.H.liang K.gong y.Q.liu D.y.guo X.y.Zhao C.y.li Z.H.An J.J.He X.J.liu X.y.Wen S.L.Xiong Fan Zhang D.L.Zhang C.y.Zhang C.Cai Z.Chang g.Chen C.Chen y.y.Du M.gao R.gao D.J.Hou y.g.li g.li L.li X.F.li M.S.li F.J.Lu H.Lu B.Meng F.Shi J.Z.Wang y.S.Wang H.Z.Wang X.Wen S.Xiao y.P.Xu J.W.yang Q.B.yi S.N.Zhang C.M.Zhang F.Zhang y.Zhao X.Zhou Key Laboratory of Particle Astrophysics Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China

Background The gravitational wave highly energetic Electromagnetic Counterpart All-sky Monitor(gECAM)is dedicated to detecting gravitational wave gamma-ray *** is capable of all-sky monitoring over and discovering gamma-ray bursts and new radiation *** consists of two microsatellites,each equipped with 8 charged particle detectors(CPDs)and 25 gamma-ray detectors(gRDs).Purpose The CPD is used to measure charged particles in the space environment,monitor energy and flow intensity changes,and identify between gamma-ray bursts and space charged particle events in conjunction with *** CPD uses plastic scintillator as the sensitive material for detection,silicon photomultiplier array as the optically readable device,and the inlaid Am-241 radioactive source as the onboard calibration *** In this paper,we will present the working principle,physical design,functional implementation and preliminary performance test results of the *** a result,the energy range of electron,gamma-ray detection efficiency and dead time are tested to be better than the indexes required through the ground calibration experiment.

关键词： gECAM CPD SiPM

The data acquisition algorithm designed for the SiPM-based detectors of gECAM satellite

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Radiation Detection Technology and Methods 2022年第1期6卷 70-77页

作者： y.Q.liu K.gong X.Q.li X.y.Wen Z.H.An C.Cai Z.Chang g.Chen C.Chen y.y.Du M.gao R.gao D.y.guo J.J.He D.J.Hou y.g.li C.y.li g.li L.li X.F.li M.S.li X.H.liang X.J.liu F.J.Lu H.Lu B.Meng W.X.Peng F.Shi X.L.Sun H.Wang J.Z.Wang y.S.Wang H.Z.Wang X.Wen S.Xiao S.L.Xiong y.B.Xu y.P.Xu S.yang J.W.yang Q.B.yi Fan Zhang D.L.Zhang S.N.Zhang C.y.Zhang C.M.Zhang Fei Zhang X.y.Zhao y.Zhao X.Zhou Key Laboratory of Particle Astrophysics Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China University of Chinese Academy of Sciences Chinese Academy of SciencesBeijing 100049China Physics and Space Science College China West Normal UniversityNanchong 637002China

Background The gravitational Wave High-energy Electromagnetic Counterpart All-sky Monitor(gECAM)consists of 2 microsatellites,each of which contains 25 gRD(LaBr3)detectors and 8 CPD(plastic scintillator)*** silicon photomultiplier(SiPM)array is used to read each *** output signal of these detectors with SiPM array is very special and challenging to *** this study,a novel data acquisition(DAQ)algorithm for these detectors is designed and implemented,and the content of the output event packet is *** and Conclusion The performances,including the event acquisition efficiency of this DAQ algorithm,are extensively verified through experimental *** the on-ground and in-flight tests,this algorithm has excellent performance despite the very limited resources and short development time of gECAM mission.

关键词： Silicon photomultiplier Digital waveform processing Data acquisition

Quality assurance test and failure analysis of SiPM arrays of gECAM satellites

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Radiation Detection Technology and Methods 2022年第1期6卷 35-42页

作者： D.L.Zhang M.gao X.L.Sun X.Q.li Z.H.An X.y.Wen C.Cai Z.Chang g.Chen C.Chen y.y.Du R.gao K.gong D.y.guo J.J.He D.J.Hou y.g.li C.y.li g.li L.li X.F.li M.S.li X.H.liang X.J.liu y.Q.liu F.J.Lu H.Lu B.Meng W.X.Peng F.Shi H.Wang J.Z.Wang y.S.Wang H.Z.Wang X.Wen S.Xiao S.L.Xiong y.B.Xu y.P.Xu S.yang J.W.yang Fan.Zhang S.N.Zhang C.y.Zhang C.M.Zhang Fei Zhang X.y.Zhao X.Zhou Institute of High Energy Physics CASBeijing 100049People’s Republic of China

Background The gravitational wave high-energy Electromagnetic Counterpart All-sky Monitor(gECAM)satellite developed a SiPM-based gamma-ray detector to monitor the gravitational wave-related gRBs and guide subsequent observations in other wavelengths of *** As all the available SiPM devices belong to commercial grade,quality assurance tests need to be performed in accordance with the aerospace *** In the SiPM application of gECAM,quality assurance experiments were *** mechanism of the failure of SiPM devices was analyzed during the development *** Based on the quality assurance test results,the fnal pass rate of SiPM array was 95%.Based on the failure analysis,it was found that a piece of SiPM had a leakage channel after longtime operation due to device *** According to the accumulated experience,in the reliability test of SiPM,it is necessary to pay special attention to test the impedance of each pin of SiPM to ground and confrm that the power switch state of SiPM is controllable.

关键词： gravitational waves gamma-ray detectors Silicon photomultipliers Quality assurance test Failure analysis

Dedicated SiPM array for gRD of gECAM

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Radiation Detection Technology and Methods 2022年第1期6卷 63-69页

作者： D.L.Zhang X.L.Sun Z.H.An X.Q.li X.y.Wen K.gong C.Cai Z.Chang g.Chen C.Chen y.y.Du M.gao R.gao D.y.guo J.J.He D.J.Hou y.g.li C.y.li g.li L.li X.F.li M.S.li X.H.liang X.J.liu y.Q.liu F.J.Lu H.Lu B.Meng W.X.Peng F.Shi H.Wang J.Z.Wang y.S.Wang H.Z.Wang X.Wen S.Xiao S.L.Xiong y.B.Xu y.P.Xu S.yang1 X.Zhou J.W.yang Fan Zhang S.N.Zhang C.y.Zhang C.M.Zhang Fei Zhang X.y.Zhao Institute of High Energy Physics CASBeijing 100049China State Key Laboratory of Particle Detection and Electronics Beijing 100049China

Purpose The discovery of gravitational waves and gamma-ray bursts heralds the era of multi-messenger *** the adoption of two small satellites to achieve the all-sky monitoring of gamma-ray bursts,the gravitational wave highenergy electromagnetic counterpart all-sky monitor(gECAM)possesses a quasi-real-time early warning ability and plays an important role in positioning the sources of gravitational waves and in subsequent *** satellite of gECAM was fitted with 253-inch-diameter gamma-ray detectors(gRD),covering an energy range of 8–2 *** have adopted silicon photomultiplier tubes(SiPM)in lieu of photomultiplier tubes(PMT)to adapt to the dimensional limitations of *** A unique 3-inch circular SiPM array was *** this design,646×6 mm chips were arranged evenly in a circular manner with the seams filled with reflecting films,thus achieving satisfactory uniformity of light *** integrated pre-amplifier circuit on the back of the SiPM array adopted two-level grouping and summing;further,it achieved a satisfactory signal-to-noise *** high-gain and low-gain channels were adopted to achieve a large dynamic range,and two independent power supply units were used,where each unit can be closed separately,thus improving *** Performance studies show that this SiPM array meets the requirements of *** A 3-inch SiPM array have been developed that uses grouped summation,reflective films,a circular arrangement,two groups of independent power supplies,high-and low-gain signals,differential signal output technologies,*** solution can be used not only for gECAM,but also as a general solution for SiPM-based scintillation detectors.

关键词： SiPM gECAM gamma-ray Signal-to-noise ratio Reflecting film Pre-amplifier

The design and performance of gRD onboard the gECAM satellite

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Radiation Detection Technology and Methods 2022年第1期6卷 43-52页

作者： Z.H.An X.L.Sun D.L.Zhang S.yang X.Q.li X.y.Wen K.gong X.H.liang X.J.liu y.Q.liu y.g.li S.L.Xiong y.B.Xu Fan Zhang X.y.Zhao C.Cai Z.Chang g.Chen C.Chen y.y.Du P.y.Feng M.gao R.gao D.y.guo J.J.He D.J.Hou C.y.li g.li L.li X.F.li M.S.li F.J.Lu H.Lu B.Meng W.X.Peng F.Shi H.Wang J.Z.Wang y.S.Wang H.Z.Wang X.Wen S.Xiao y.P.Xu J.W.yang Q.B.yi S.N.Zhang C.y.Zhang C.M.Zhang Fei Zhang y.Zhao X.Zhou CAS Institute of High Energy PhysicsBeijing 100049China State Key Laboratory of Particle Detection and Electronics Beijing 100049China 3 Xiangtan UniversityXiangtan 411105China 4 Beijing Normal UniversityBeijing 110875China Xiangtan University Xiangtan 411105China Beijing Normal University Beijing 110875China

Background Each gECAM satellite payload contains 25 gamma-ray detectors(gRDs),which can detect gamma-rays and particles and can roughly localize the gamma-Ray Bursts(gRBs).gRD was designed using lanthanum bromide(LaBr3)crystal as the sensitive material with the rear end coupled with silicon photomultiplier(SiPM)array for *** In aerospace engineering design of gRD,there are many key points to be *** this paper,we present the specific design scheme of gRD,the assembly and the performance test results of *** Based on Monte Carlo simulation and experimental test results,the specific schematic design and assembling process of gRD were *** being fully assembled,the gRDs were conducted performance tests by using radioactive source and also conducted random vibration *** and conclusion The test results show that all satellite-borne gRDs have energy resolutiong requirements of satellite in scientific *** random vibration test shows that gRD can maintain in a stable performance,which meets the requirement of spatial application.

关键词： Lanthanum bromide scintillator SiPM array gECAM gamma-ray detector Energy resolution

The technology for detection of gamma-ray burst with gECAM satellite

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Radiation Detection Technology and Methods 2022年第1期6卷 12-25页

作者： X.Q.li X.y.Wen Z.H.An C.Cai Z.Chang g.Chen C.Chen y.y.Du M.gao R.gao K.gong D.y.guo J.J.He D.J.Hou y.g.li C.y.li g.li L.li X.F.li M.S.li X.H.liang X.J.liu y.Q.liu F.J.Lu H.Lu B.Meng W.X.Peng F.Shi X.L.Sun H.Wang J.Z.Wang y.S.Wang H.Z.Wang X.Wen S.Xiao S.L.Xiong y.B.Xu y.P.Xu S.yang J.W.yang Q.B.yi D.L.Zhang Fan Zhang S.N.Zhang C.y.Zhang C.M.Zhang Fei Zhang X.y.Zhao y.Zhao X.Zhou C.S.Zhang J.P.yu L.Chang K.K.Zhang J.Huang y.M.Chen X.B.Han Institute of High Energy Physics CASBeijing 100049China Xiangtan University Xiangtan 411105China Beijing Normal University Beijing 110875China Beijing glass Research Institute Beijing 101100China Innovation Academy for Microsatellites of CAS Shanghai 201204China

Introduction The main physical objective of the gECAM satellite is to detect gamma-ray bursts,which is related to gravitational waves of double compact object *** gECAM satellite also detects and investigates various bursts of high-energy celestial *** and methods In this study,we designed,developed and calibrated the payload and launched it into orbit with gECAM *** payload consists of the gamma ray detector(gRD,for detecting 4 keV–4 MeV X/γray),the charged particle detector(CPD,for detecting 150 keV–5 MeV charged particle),and the electronic box(EBOX).The all-sky field coverage is achieved via two 229-degree large-area satellites positioned 180 degrees apart and are on opposite sides of the *** satellite is equipped with 25 gRDs and 8 CPDs;thus,the satellite can identify charged particle bursts in ***-ray detectors adopt lanthanum bromide crystal technology combined with silicon *** is the first time that this technology was used massively in space *** The gECAM satellite can quickly determine the direction of gamma-ray bursts(positioning)via indexing and fitting method,while the transmit variability,energy spectrum and direction of the gamma-ray bursts guide subsequent observations through the Beidou-3 RDSS in quasi-real *** will play an important role in the study of high energy celestial bursts.

关键词： gECAM gamma-ray burst Lanthanum bromide crystal Silicon photomultiplier Beidou short message

Amplitude analysis of the decays D^(0)→π^(+)π^(−)π^(+)π^(−)and D^(0)→π^(+)π^(−)π^(0)π^(0)

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Chinese Physics C 2024年第8期48卷 6-33页

作者： M.Ablikim M.N.Achasov P.Adlarson O.Afedulidis X.C.Ai R.Aliberti A.Amoroso Q.An y.Bai O.Bakina I.Balossino y.Ban H.-R.Bao V.Batozskaya K.Begzsuren N.Berger M.Berlowski M.Bertani D.Bettoni F.Bianchi E.Bianco 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.R.Che g.Chelkov C.Chen C.H.Chen Chao Chen g.Chen H.S.Chen M.L.Chen S.J.Chen S.L.Chen S.M.Chen T.Chen X.R.Chen X.T.Chen y.B.Chen y.Q.Chen Z.J.Chen Z.y.Chen S.K.Choi X.Chu g.Cibinetto F.Cossio J.J.Cui H.L.Dai J.P.Dai A.Dbeyssi R.E.de Boer D.Dedovich C.Q.Deng Z.y.Deng A.Denig I.Denysenko M.Destefanis F.De Mori B.Fang S.S.Fang W.X.Fang y.Fang y.Q.Fang R.Farinelli L.Fava F.Feldbauer g.Felici C.Q.Feng J.H.Feng y.T.Feng K.Fischer M.Fritsch C.D.Fu J.L.Fu y.W.Fu H.gao y.N.gao yang gao S.garbolino I.garzia P.T.ge Z.W.ge C.geng E.M.gersabeck B.Ding X.X.Ding y.Ding y.Ding J.Dong L.y.Dong M.y.Dong X.Dong M.C.Du S.X.Du Z.H.Duan P.Egorov y.H.Fan J.Fang JA.gilman K.goetzen L.gong W.X.gong W.gradl S.gramigna M.greco M.H.gu y.T.gu C.y.guan Z.L.guan A.Q.guo L.B.guo M.J.guo R.P.guo y.P.guo A.guskov J.gutierrez K.L.Han T.T.Han X.Q.Hao F.A.Harris K.K.He K.L.He F.H.Heinsius C.H.Heinz y.K.Heng C.Herold T.Holtmann P.C.Hong g.y.Hou X.T.Hou y.R.Hou Z.L.Hou B.y.Hu H.M.Hu J.F.Hu T.Hu y.Hu g.S.Huang K.X.Huang L.Q.Huang X.T.Huang y.P.Huang T.Hussain F.H\"olzken N.H\"usken N.in der Wiesche M.Irshad J.Jackson S.Janchiv J.H.Jeong Q.Ji Q.P.Ji W.Ji X.B.Ji X.L.Ji y.y.Ji X.Q.Jia Z.K.Jia D.Jiang H.B.Jiang P.C.Jiang S.S.Jiang T.J.Jiang X.S.Jiang y.Jiang J.B.Jiao J.K.Jiao Z.Jiao S.Jin y.Jin M.Q.Jing X.M.Jing T.Johansson S.Kabana N.Kalantar-Nayestanaki X.L.Kang X.S.Kang M.Kavatsyuk B.C.Ke V.Khachatryan A.Khoukaz R.Kiuchi O.B.Kolcu B.Kopf M.Kuessner X.Kui A.Kupsc W.K\"uhn J.J.Lane P.Larin L.Lavezzi T.T.Lei 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.B.li H.J.li H.N.li Hui li J.R.li J.S.li K.li L.J.li L.K.li Lei li M.H.li P.R.li Q.M.li Q.X.li R.li S.X.li T.li W.D.li W.g.li X.li X.H.li X.L.li X.y.li y Institute of High Energy Physics Chinese Academy of SciencesBeijing 100049China Beihang University Beijing 100191China Bochum Ruhr-University D-44780 BochumGermany Budker Institute of Nuclear Physics SB RAS(BINP) Novosibirsk 630090Russia Carnegie Mellon University PittsburghPennsylvania 15213USA Central China Normal University Wuhan 430079China Central South University Changsha 410083China China Center of Advanced Science and Technology Beijing 100190China China University of geosciences Wuhan 430074China Chung-Ang University Seoul06974Republic of Korea COMSATS University Islamabad Lahore CampusDefence RoadOff Raiwind Road54000 LahorePakistan Fudan University Shanghai 200433China gSI Helmholtzcentre for Heavy Ion Research gmbH D-64291 DarmstadtGermany guangxi Normal University Guilin 541004China guangxi University Nanning 530004China Hangzhou Normal University Hangzhou 310036China Hebei University Baoding 071002China Helmholtz Institute Mainz Staudinger Weg 18D-55099 MainzGermany Henan Normal University Xinxiang 453007China Henan University Kaifeng 475004China 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 Inner Mongolia University Hohhot 010021China Institute of Modern Physics Lanzhou 730000China Institute of Physics and Technology Peace Avenue 54BUlaanbaatar 13330Mongolia Instituto de A

Using e^(+)e^(−)annihilation data corresponding to an integrated luminosity of 2.93 fb^(−1)taken at the center-of-mass energy√s=3.773 geV with the BESIII detector,a joint amplitude analysis is performed on the decays D^(0)→π^(+)π^(−)π^(+)π^(−)and D^(0)→π^(+)π^(−)π^(0)π^(0)(non-η).The fit fractions of individual components are obtained,and large interferences among the dominant components of the decays D^(0)→a_(1)(1260)π,D^(0)→π(1300)π,D^(0)→ρ(770)ρ(770),and D^(0)→2(ππ)_(S)are observed in both *** the obtained amplitude model,the CP-even fractions of D^(0)→π^(+)π^(−)π^(+)π^(−)and D^(0)→π^(+)π^(−)π^(0)π^(0)(non-η)are determined to be(75.2±1.1_(stat).±1.5_(syst.))%and(68.9±1.5_(stat).±2.4_(syst.))%,*** branching fractions of D^(0)→π^(+)π^(−)π^(+)π^(−)and D^(0)→π^(+)π^(−)π^(0)π^(0)(non-η)are measured to be(0.688±0.010_(stat.)±0.010_(syst.))%and(0.951±0.025_(stat.)±0.021_(syst.))%,*** amplitude analysis provides an important model for the binning strategy in measuring the strong phase parameters of D^(0)→4πwhen used to determine the CKM angleγ(ϕ_(3))via the B^(−)→DK^(−)decay.

关键词： BESIII D^(0)meson decays amplitude analysis CP-even fraction

Determination of the number ofψ(3686)events taken at BESⅢ

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Chinese Physics C 2024年第9期48卷 8-20页

作者： M.Ablikim M.N.Achasov P.Adlarson O.Afedulidis X.C.Ai R.Aliberti A.Amoroso Q.An y.Bai O.Bakina I.Balossino y.Ban H.-R.Bao V.Batozskaya K.Begzsuren N.Berger M.Berlowski M.Bertani D.Bettoni F.Bianchi E.Bianco 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 g.R.Che g.Chelkov C.Chen C.H.Chen Chao Chen g.Chen H.S.Chen H.y.Chen M.L.Chen S.J.Chen S.L.Chen S.M.Chen T.Chen X.R.Chen X.T.Chen y.B.Chen y.Q.Chen Z.J.Chen Z.y.Chen S.K.Choi g.Cibinetto F.Cossio J.J.Cui H.L.Dai J.P.Dai A.Dbeyssi R.E.de Boer D.Dedovich C.Q.Deng Z.y.Deng A.Denig I.Denysenko M.Destefanis F.De Mori B.Ding X.X.Ding y.Ding y.Ding J.Dong L.y.Dong M.y.Dong X.Dong M.C.Du S.X.Du y.y.Duan Z.H.Duan P.Egorov y.H.Fan J.Fang J.Fang S.S.Fang W.X.Fang y.Fang y.Q.Fang R.Farinelli L.Fava F.Feldbauer g.Felici C.Q.Feng J.H.Feng y.T.Feng M.Fritsch C.D.Fu J.L.Fu y.W.Fu H.gao X.B.gao y.N.gao yang gao S.garbolino I.garzia L.ge P.T.ge Z.W.ge C.geng E.M.gersabeck A.gilman K.goetzen L.gong W.X.gong W.gradl S.gramigna M.greco M.H.gu y.T.gu C.y.guan Z.L.guan A.Q.guo L.B.guo M.J.guo R.P.guo y.P.guo A.guskov J.gutierrez K.L.Han T.T.Han F.Hanisch X.Q.Hao F.A.Harris K.K.He K.L.He F.H.Heinsius C.H.Heinz y.K.Heng C.Herold T.Holtmann P.C.Hong g.y.Hou X.T.Hou y.R.Hou Z.L.Hou B.y.Hu H.M.Hu J.F.Hu S.L.Hu T.Hu y.Hu g.S.Huang K.X.Huang L.Q.Huang X.T.Huang y.P.Huang T.Hussain F.Hölzken N.Hüsken N.in der Wiesche J.Jackson S.Janchiv J.H.Jeong Q.Ji Q.P.Ji W.Ji X.B.Ji X.L.Ji y.y.Ji X.Q.Jia Z.K.Jia D.Jiang H.B.Jiang P.C.Jiang S.S.Jiang T.J.Jiang X.S.Jiang y.Jiang J.B.Jiao J.K.Jiao Z.Jiao S.Jin y.Jin M.Q.Jing X.M.Jing T.Johansson S.Kabana N.Kalantar-Nayestanaki X.L.Kang X.S.Kang M.Kavatsyuk B.C.Ke V.Khachatryan A.Khoukaz R.Kiuchi O.B.Kolcu B.Kopf M.Kuessner X.Kui N.Kumar A.Kupsc W.Kühn J.J.Lane P.Larin L.Lavezzi T.T.Lei Z.H.Lei M.Lellmann T.Lenz C.li C.li C.H.li Cheng li D.M.li F.li g.li H.B.li H.J.li H.N.li Hui li J.R.li J.S.li Ke li L.J.li L.K.li Lei li M.H.li P.R.li Q.M.li Q.X.li R.li S.X.li T.li W.D.li W.g.li X.li X.H.li X.L.li X.Z.li Xi Institute of High Energy Physics Beijing 100049China Beihang University Beijing 100191China Bochum Ruhr-University D-44780BochumGermany Budker Institute of Nuclear Physics SB RAS(BINP) Novosibirsk 630090Russia Carnegie Mellon University PittsburghPennsylvania 15213USA Central China Normal University Wuhan 430079China Central South University Changsha 410083China China Center of Advanced Science and Technology Beijing 100190China China University of geosciences Wuhan 430074China Chung-Ang University Seoul06974Republic of Korea COMSATS University Islamabad Lahore CampusDefence RoadOff Raiwind Road54000LahorePakistan Fudan University Shanghai 200433China gSI Helmholtzcentre for Heavy Ion Research gmbH D-64291DarmstadtGermany guangxi Normal University Guilin 541004China guangxi University Nanning 530004China Hangzhou Normal University Hangzhou 310036China Hebei University Baoding 071002China Helmholtz Institute Mainz Staudinger Weg 18D-55099MainzGermany Henan Normal University Xinxiang 453007China Henan University Kaifeng 475004China 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 (A)INFN Laboratori Nazionali di FrascatiI-00044FrascatiItaly(B)INFN Sezione di PerugiaI-06100PerugiaItaly(C)University of PerugiaI-06100PerugiaItaly INFN Sezione di Ferrara (A)INFN Sezione di FerraraI-44122FerraraItaly(B)University of FerraraI-44122FerraraItaly Inner Mongolia University Hohhot 010021China Institute of Modern Physics Lanzhou 730000China Institute of Physics and Technology Peace Avenue 54BUlaanbaatar 13330Mongolia Instituto de Alta Investigación Universidad de TarapacáCasilla 7DArica 1000000Chile Jilin University Changchun 130012China Joha

The number ofψ(3686)events collected by the BESⅢdetector during the 2021 run period is determined to be(2259.3±11.1)×10~6 by counting inclusiveψ(3686)hadronic *** uncertainty is systematic and the statistical uncertainty is ***,the numbers ofψ(3686)events collected during the 2009 and 2012run periods are updated to be(107.7±0.6)×10~6 and(345.4±2.6)×10~6,*** numbers are consistent with the previous measurements within one standard *** total number ofψ(3686)events in the three data samples is(2712.4±14.3)×10~6.

关键词： ψ(3686) inclusive process Hadronic events BESⅢdetector