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中国晶体学会第六届学术年会暨会员代表大会——多晶（粉晶）衍射分会

作者： P.Ren M.Wen s.x.du K.Zhang W.T.Zheng Department of Materials science Jilin University

There has been much emphasis in the high hardness,robust hydrophobic and excellent tribological behavior for transition metal nitrides when which as protective coating materials exposed to *** this work,the Nb(Ag)N coatings were deposited on si(100)substrates by reactive co-sputtering,in which the Nb atoms were substituted by the Ag atoms as Ag/Nb ratio(R) increases from 0.01 to *** coatings exhibit the high hardness(8GPa),low coefficient of friction(CoF,0.18) and wear rates(0.41×10 mm Nm),also with the high hydrophobic property(Water contact angle(WCA),-119°).significantly,a detailed investigation both in experiment and theoretical calculation were employed to reveal the relationship between the micro structure and the excellent trobological behavior and high *** the R increased from 0 to 0.15,the coatings transformed from NbN to NbN/Ag solute nanostructure ***,the CoF deceased from 0.67 to 0.18 and the wear-rate reduced,which can be ascribed to the AgNbO tribo-film rapidly formed during friction due to the reducing of the N desorption activation energy as R *** increasing R to 0.26,the lubricating effects became weaker because the Ag nanoinclusions segregation at NbN grain boundaries cause the restraint of information for AgNbO,finally result in the increased in the *** the NbN/Ag solute nanostructure coatings(0.01 s(10319°) can be ascribed to the surface silver ions(Ag) in the AgO have a special closed shells structure of the electron(4d5s),leading a less number of the polar sites for the hydrogen bonding with interfacial water molecules on the surface of ***,WCA of the NbN/Ag coating decreased to 96° as R up to 0.26,these also can be attributed to the Ag separated from the supersaturated NbN lattice accompanied by the decreasing of AgO contents on the surface of the *** all,as increased of Ag content,the fomation of solute nanostructures in the coatings

关键词： NbN/Ag coating solute nanostructures Microhardness Hydrophobic Friction and wear

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Molecular“Coupled Butterfly”on Ag(110):Experiment and First-principles Calculations

Molecular“Coupled Butterfly”on Ag(110):Experiment and Firs...

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2005年纳米和表面科学与技术全国会议

作者： W.Guo s.x.du H.-J.Gao Nanoscale Physics & Devices Laboratory,Institute of Physics,CAs,Beijing 100080

The adsorption behavior of organic π-conjugated molecules on single crystals is ofgreat interest because their physical and chemical properties are keys for molecularscale self-assembly,which is important to improve properties of electronic andoptoelectronic devices such as light-emitting diodes,field-effect transistors and thinfilm *** studying the adsorption behavior of these molecules theunderstanding of adsorption processes can be *** our work,one aromatic

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Prediction of Dirac state in monolayer TiB2

Prediction of Dirac state in monolayer TiB2

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中国真空学会2014学术年会

作者： L.Z.Zhang s.R.song Z.F.Wang s.x.du H.-J.Gao F.Liu Institute of Physics Chinese Academy of Sciences Department of Materials science and Engineering University of Utah Collaborative Innovation Center of Quantum Matter

We predict the existence of Dirac state in monolayer TiB2 sheet(m-TiB2),a two-dimensionalmetal diboride,based on first-principles *** structure of m-TiB2 is found to becharacterized with anisotropic Dirac cones with the largest Fermi velocity of 0.57×10m/s,whichis about one-half of that of *** Dirac point is located at the Fermi level between K andΓpoint,with Dirac states arising primarily from d orbitals of *** m-TiB2 exhibitsa bending instability,so that a planar m-TiB2 needs to be stabilized on a *** m-TiB2 on h-BN substrate reveals a negligible influence of the h-BN substrate to the electronicproperties of *** findings extend the Dirac materials to metal diborides.

关键词： Dirac state two-dimensional material TiB2 first-principles calculations

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Room-temperature ferromagnetism and perfect spin filtering in transition-metal-doped graphyne nanoribbons

Room-temperature ferromagnetism and perfect spin filtering i...

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中国真空学会2014学术年会

作者： J.B.Pan s.x.du L.D.Pan Y.F.Zhang H.-J.Gao s.T.Pantelides Institute of Physics Chinese Academy of Science Department of Physics and Astronomy Vanderbilt University Materials science & Technology Division Oak Ridge National Laboratory

Ferromagnetism in half-metallic two-dimensional materials can lead to unique spintronics *** we report first-principles calculations that predict monolayer graphyne nanoribbons(GyNRs),analternative to graphene,doped randomly with 3d-series transition metal atoms at high concentrations are ferromagnetic(FM)with Curie temperatures above room ***,Cr-,Fe-and Co-doped GyNRs are half-mettallic with 100%spin polarization at the Fermi level and can act as perfect spin *** high spin polarization of the current is preserved up to large bias *** study provides a basis for the fabrication of GyNRs with high Curie temperature and spin-polarized electron transport properties.

关键词： ferromagnetism spin filtering graphyne nanoribbons

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Assembly Mechanism of Iron PhthaAssembly Mechanism of Iron Phthalocyanine and Pentacene Molecules on a Graphene Monolayer Grown on Ru（0001）

Assembly Mechanism of Iron PhthaAssembly Mechanism of Iron P...

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中国化学会第28届学术年会

作者： s.x.du,H.G.Zhang,J.T.sun,L.Z.Zhang,Y.Pan,and H.-J.Gao Institute of Physics,Chinese Academy of sciences,P.O.Box 603,Beijing 100190,China

＜正＞Combining ab initio calculation based on density functional theory with scanning tunneling microscopy/spectroscopy,we demonstrate the selective adsorption and the formation mechanism of ordered molecular arrays of iron phthalocyanine and pentacene molecules with different structural symmetries on the graphene/Ru（0001）templates. With in-depth investigations of the molecular adsorption and assembly

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Luminosities and energies of e^(+)e^(−) collision data taken between √s=4.61 GeV and 4.95 GeV at BEsⅢ

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Chinese Physics C 2022年第11期46卷 64-75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

From December 2019 to June 2021,the BEsⅢ experiment collected approximately 5.85 fb^(−1) of data at center-of-mass energies between 4.61 and 4.95 *** is the highest collision energy BEPCⅡ has reached to *** accumulated e^(+)e^(−) annihilation data samples are useful for studying charmonium(-like)states and charmed-hadron *** adopting a novel method of analyzing the production of A_(c)^(+)A_(c)^(-) pairs in e^(+)e^(−) annihilation,the center-of-mass energies are measured with a precision of 0.6 *** luminosities are measured with a precision of better than 1% by analyzing the events of large-angle Bhabha *** measurements provide important inputs to analyses based on these data samples.

关键词： luminosity center-of-mass energy BEsⅢdetector

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Observation of e^+e^-→D_s^+■^((*)0)K^- and study of the P-wave D_s mesons

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Chinese Physics C 2019年第3期43卷 5-16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 I.Boyko R.A.Briere H.Cai x.Cai 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 s.J.Chen Y.B.Chen W.s.Cheng G.Cibinetto F.Cossio H.L.Dai J.P.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 J.Z.Fan J.Fang s.s.Fang Y.Fang R.Farinelli L.Fava F.Feldbauer G.Felici C.Q.Feng M.Fritsch C.D.Fu Y.Fu Q.Gao x.L.Gao Y.N.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 s.Gu Y.T.Gu A.Q.Guo L.B.Guo R.P.Guo Y.P.Guo A.Guskov Z.Haddadi s.Han x.Q.Hao F.A.Harris K.L.He F.H.Heinsius T.Held Y.K.Heng Z.L.Hou H.M.Hu J.F.Hu T.Hu Y.Hu G.s.Huang J.s.Huang x.T.Huang x.Z.Huang Z.L.Huang N.Huesken T.Hussain W.Ikegami Andersson W.Imoehl M.Irshad Q.Ji Q.P.Ji x.B.Ji x.L.Ji H.L.Jiang x.s.Jiang x.Y.Jiang J.B.Jiao Z.Jiao D.P.Jin s.Jin Y.Jin T.Johansson N.Kalantar-Nayestanaki x.s.Kang M.Kavatsyuk B.C.Ke I.K.Keshk T.Khan A.Khoukaz P.Kiese R.Kiuchi R.Kliemt L.Koch O.B.Kolcu B.Kopf M.Kuemmel M.Kuessner A.Kupsc M.Kurth W.Kühn J.s.Lange P.Larin L.Lavezzi H.Leithoff 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 Ke Li L.K.Li Lei Li P.L.Li P.R.Li Q.Y.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 B.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.Y.Liu Kai Liu Ke Liu Q.Liu s.B.Liu x.Liu Y.B.Liu Z.A.Liu Zhiqing Liu Y.F.Long x.C.Lou H.J.Lu J.D.Lu J.G.Lu Y.Lu Y.P.Lu C.L.Luo M.x.Luo P.W.Luo T.Luo x.L.Luo s.Lusso x.R.Lyu F.C.Ma H.L.Ma L.L.Ma M.M.Ma Q.M.Ma x.N.Ma x.x.Ma x.Y.Ma Y.M.Ma F.E.Maas M.Maggiora s.Maldaner Q.A.Malik A.Mangoni Y.J.Mao Z.P.Mao s.Marcello Z.x.Meng J.G.Messchendorp G.Mezzadri J.Min T.J.Min R.E.Mitchell x.H.Mo Y 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 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 INFN Laboratori Nazionali di Frascati I-00044FrascatiItaly INFN sezione di Ferrara I-44122FerraraItaly Institute of Physics and Technology Peace Ave.54BUlaanbaatar 13330Mongolia 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 16D-35392 GiessenGermany KVI-CART University of GroningenNL-9747 AA GroningenThe Netherlands Lanzhou University Lanzhou 730000China Liaoning University Shenyang 110036China Nanjing Normal University Nanjing 210023China Nanjing University Nanjing 210093China Nankai University Tianjin 300071China Peking University Beijing 100871China shandong University Jinan 250100China shanghai

studies of e^+e~→D_s^+■^((*)0)K^-and the P-wave charmed-strange mesons are performed based on an e^+e^-collision data sample corresponding to an integrated luminosity of 567 pb^(-1) collected with the BEsIII detector at s^(1/2)=4.600 GeV. The processes of e^+e^-→D_s^+■^(*0)K^- and D_s^+■~0K^- are observed for the first time and are found to be dominated by the modes D_s^+D_(s1)(2536)^-and D_s^+D_(s2)~*(2573)^-, respectively. The Born cross sections are measured to be σ~B(e^+e^-→D_s^+■^(*0)K^-) =(10.1±2.3±0.8) pb and σ~B(e^+e^-→D_s^+■~0K^-) =(19.4±2.3± 1.6) pb, and the products of Born cross section and the decay branching fraction are measured to be σ~B(e^+e^-→D_s^+D_(s1)(2536)^-+c.c.)·B(D_(s1)(2536)^-→■^(*0)K^-)=(7.5±1.8±0.7) pb and σ~B(e^+e^-→D_s^+D_(s2)~*(2573)^-+ c.c.)·B(D_(s2)~*(2573)^-→■~0 K^-)=(19.7 ± 2.9 ±2.0) pb. For the D_(s1)(2536)^-and D_(s2)~*(2573)^-mesons, the masses and widths are measured to be M(D_(s1)(2536)^-)=(2537.7±0.5 ±3.1) MeV/c2, Γ(D_(s1)(2536)^-) =(1.7 ±1.2 ±0.6)MeV, and M(D_(s2)~*(2573)^-)=(2570.7±2.0 ±1.7) MeV/c^2, Γ(D_(s2)~*(2573)^-)=(17.2 ±3.6 ±1.1) MeV. The spin-parity of the D_(s2)~*(2573)^-meson is determined to be J^p= 2^+. In addition, the processes e^+e^-→D_s^+■^((*)0)K^-are searched for using the data samples taken at four(two) center-of-mass energies between 4.416(4.527) and 4.575 GeV, and upper limits at the 90% confidence level on the cross sections are determined.

关键词： cross section P-wave D_s mesons resonance parameters spin-parity BEsIII

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The autophagy-lysosome pathway:a potential target in the chemical and gene therapeutic strategies for Parkinson’s disease

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Neural Regeneration Research 2025年第1期20卷 139-158页

作者： Fengjuan Jiao Lingyan Meng Kang du xuezhi Li school of Mental Health Jining Medical UniversityJiningShandong ProvinceChina shandong Collaborative Innovation Center for Diagnosis Treatment and Behavioral Interventions of Mental DisordersInstitute of Mental HealthJining Medical UniversityJiningShandong ProvinceChina

Parkinson’s disease is a common neurodegenerative disease with movement disorders associated with the intracytoplasmic deposition of aggregate proteins such asα-synuclein in *** one of the major intracellular degradation pathways,the autophagy-lysosome pathway plays an important role in eliminating these *** evidence has shown that upregulation of the autophagy-lysosome pathway may contribute to the clearance ofα-synuclein aggregates and protect against degeneration of dopaminergic neurons in Parkinson’s ***,multiple genes associated with the pathogenesis of Parkinson’s disease are intimately linked to alterations in the autophagy-lysosome ***,this pathway appears to be a promising therapeutic target for treatment of Parkinson’s *** this review,we briefly introduce the machinery of ***,we provide a description of the effects of Parkinson’s disease–related genes on the autophagy-lysosome ***,we highlight the potential chemical and genetic therapeutic strategies targeting the autophagy–lysosome pathway and their applications in Parkinson’s disease.

关键词： autophagy chemical therapy gene therapy Parkinson’s disease α-synuclein

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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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Measurements of the center-of-mass energies of e^(+)e^(-)collisions at BEsIII

引用

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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