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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

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

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

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

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

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

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

studies of laser-plasma interaction physics with low-density targets for direct-drive inertial confinement fusion on the shenguang III prototype

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维普期刊数据库

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Matter and Radiation at Extremes 2021年第2期6卷 54-66页

作者： V.T.Tikhonchuk T.Gong N.Jourdain O.Renner F.p.condamine K.q.pan w.Nazarov l.hudec J.limpouch R.liska M.Krus F.wang D.yang s.w.li Z.c.li Z.y.guan y.G.liu T.Xu X.s.peng X.M.liu y.l.li J.li T.M.song J.M.yang s.E.jiang B.h.Zhang w.y.huo G.Ren y.h.chen w.Zheng y.K.Ding K.lan s.weber Eli-Beamlines Institute of PhysicsCzech Academy of Sciences25241 Dolni BrezanyCzech Republic centre lasers Intenses et Applications University of Bordeaux-CNRS-CEA33405 TalenceFrance laser Fusion Research center China Academy of Engineering PhysicsMianyang 621900China Institute of plasma physics Czech Academy of Sciences18200 PragueCzech Republic Independent Foam Target supplier CarnoustieDD76DPUnited Kingdom Faculty of Nuclear sciences and physical Engineering Czech Technical University in Prague11519 PragueCzech Republic Institute of Applied physics and computational Mathematics Beijing 100088China center for Applied physics and Technology Peking UniversityBeijing 100871China school of science Xi’an Jiaotong UniversityXi’an 710049China

The physics of laser-plasma interaction is studied on the shenguang III prototype laser facility under conditions relevant to inertial confinement fusion designs.A sub-millimeter-size underdense hot plasma is created by ionization of a low-density plastic foam by four high-energy(3.2 kJ)laser *** interaction beam is fired with a delay permitting evaluation of the excitation of parametric instabilities at different stages of plasma *** diagnostics are used for plasma characterization,scattered radiation,and accelerated *** experimental results are analyzed with radiation hydrodynamic simulations that take account of foam ionization and *** measured level of stimulated Raman scattering is almost one order of magnitude larger than that measured in experiments with gasbags and hohlraums on the same installation,possibly because of a greater plasma *** amplification is achieved in high-intensity speckles,indicating the importance of implementing laser temporal smoothing techniques with a large bandwidth for controlling laser propagation and absorption.

关键词： density. interaction scattered

Measurement of integrated luminosities at BEsⅢ for data samples at center-of-mass energies between 4.0 and 4.6 GeV

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维普期刊数据库

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chinese physics c 2022年第11期46卷 53-63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 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.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 integrated luminosities of data samples collected in the BEsⅢ experiment in 2016-2017 at centerof-mass energies between 4.19 and 4.28 GeV are measured with a precision better than 1% by analyzing large-angle Bhabha scattering *** integrated luminosities of old datasets collected in 2010-2014 are updated by considering corrections related to detector performance,offsetting the effect of newly discovered readout errors in the electromagnetic calorimeter,which can haphazardly occur.

关键词： integrated luminosity e^(+)e^(-)annihilation Bhabha scattering