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STcF conceptual design report (Volume 1): Phy.ics & detector

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Frontiers of phy.ics 2024年第1期19卷 1-154页

作者： M.Achasov X.c.Ai l.P.An R.Alib.rti Q.An X.Z.b.i y.b.i O.b.kina A.b.rny.kov V.b.inov V.b.b.ovnikov d.b.drov A.b.gomy.gkov A.b.ndar I.b.y.o Z.H.b. F.M.cai H.cai J.J.cao Q.H.cao X.cao Z.cao Q.chang K.T.chao d.y.chen H.chen H.X.chen J.F.chen K.chen l.l.chen P.chen S.l.chen S.M.chen S.chen S.P.chen W.chen X.chen X.F.chen X.R.chen y.chen y.Q.chen H.y.cheng J.cheng S.cheng T.G.cheng J.P.dai l.y.dai X.c.d.i d.dedovich A.denig I.denisenko J.M.dias d.Z.ding l.y.dong W.H.dong V.druzhinin d.S.du y.J.du Z.G.du l.M.duan d.Epifanov y.l.Fan S.S.Fang Z.J.Fang G.Fedotovich c.Q.Feng X.Feng y.T.Feng J.l.Fu J.Gao y.N.Gao P.S.Ge c.Q.Geng l.S.Geng A.Gilman l.Gong T.Gong b.Gou W.Gradl J.l.Gu A.Guevara l.c.Gui A.Q.Guo F.K.Guo J.c.Guo J.Guo y.P.Guo Z.H.Guo A.Guskov K.l.Han l.Han M.Han X.Q.Hao J.b.He S.Q.He X.G.He y.l.He Z.b.He Z.X.Heng b.l.Hou T.J.Hou y.R.Hou c.y.Hu H.M.Hu K.Hu R.J.Hu W.H.Hu X.H.Hu y.c.Hu J.Hua G.S.Huang J.S.Huang M.Huang Q.y.Huang W.Q.Huang X.T.Huang X.J.Huang y.b.Huang y.S.Huang N.Hüsken V.Ivanov Q.P.Ji J.J.Jia S.Jia Z.K.Jia H.b.Jiang J.Jiang S.Z.Jiang J.b.Jiao Z.Jiao H.J.Jing X.l.Kang X.S.Kang b.c.Ke M.Kenzie A.Khoukaz I.Koop E.Kravchenko A.Kuzmin y.l.i E.levichev c.H.li c.li d.y.l. F.li G.li G.li H.b.li H.li H.N.li H.J.li H.l.li J.M.li J.li l.li l.li l.y.l. N.li P.R.li R.H.li S.li T.li W.J.li X.li X.H.li X.Q.li X.H.li y.l. y.y.l. Z.J.li H.liang J.H.liang y.T.liang G.R.liao l.Z.liao y.l.ao c.X.lin d.X.lin X.S.lin b.J.liu c.W.liu d.liu F.liu G.M.liu H.b.liu J.liu J.J.liu J.b.liu K.liu K.y.l.u K.liu l.liu Q.liu S.b.liu T.liu X.liu y.W.liu y.l.u y.l.liu Z.Q.liu Z.y.l.u Z.W.liu I.logashenko y.l.ng c.G.lu J.X.lu N.lu Q.F.lü y.l. y.l. Z.lu P.lukin F.J.luo T.luo X.F.luo y.H.luo H.J.ly. X.R.ly. J.P.Ma P.Ma y.Ma y.M.Ma F.Maas S.Malde d.Matvienko Z.X.Meng R.Mitchell A.Nefediev y.Nefedov S.l.Olsen Q.Ouy.ng P.Pakhlov G.Pakhlova X.Pan y.Pan E.Passemar y.P.Pei H.P.Peng l.Peng X.y.Peng X.J.Peng K.Peters S.Pivovarov E.Py.ta b.b.Qi y.Q.Qi W.b.Qian y.Qian c.F.Qiao J.J.Qin J.J.Qin l.Q.Qin X.S.Qin T.l.Qiu J.Rademacker c.F.Redmer H.y.Sang Anhui University Hefei 230039China b.ihang University Beijing 100191China b.dker Institute of Nuclear Phy.ics Novosibirsk 630090Russia cAS Key.l.b.ratory.of Theoretical Phy.ics Institute of Theoretical PhysicsChinese Academy of SciencesBeijing 100190China cavendish lab.ratory University of CambridgeJJ Thomson AveCambridge CB30HEUnited Kingdom central china Normal University Wuhan 430079China central South University Changsha 410083China china University.of Geosciences Wuhan 430074China china University.of Mining and Technology Xuzhou 221116China École Poly.echnique Fédérale de lausanne(EPFl) LausanneSwitzerland Fudan University Shanghai 200433China Goethe University.Frankfurt D-60325 Frankfurt am MainGermany Guangxi Normal University Guilin 541004China Guangxi Uninversity Nanning 530004China Hangzhou Institute for Advanc.d.Study UCASHangzhou 310024China Heb.i Normal University Shijiazhuang 050024China Heb.i University Baoding 071002China Hefei University.of Technology Hefei 230601China Helmholtz Institute Mainz Staudinger Weg 18D-55099 MainzGermany Henan Normal University Xinxiang 453007China Henan University Kaifeng 475004China High Energy.Phy.ics center Chung-Ang UniversitySeoul 06974Korea Higher School of Economy.11 Pokrovsky.b.lvar Moscow 109028Russia Huangshan University Huangshan 245000China Hub.i University.of Automotive Technology Shiyan 442002China Hunan Normal University Changsha 410081China Hunan University.of Science and Technology Xiangtan 411201China Hunan University Changsha 410082China Indiana University BloomingtonIndiana 47405USA Inner Mongolia University Hohhot 010021China Institute of Advanc.d.Science Facilities Shenzhen 518107China Institute of High Energy.Phy.ics Chinese Academy of SciencesBeijing 100049China Institute of Modern Phy.ics Chinese Academy of SciencesLanzhou 730000China Institute of Phy.ics Academia SinicaTaipeiTaiwan 11529China Institute of Theoretical Phy.ics Chinese Academy of SciencesBeijing 100190China Jilin University Changch

The superτ-charm facility.STcF)is an electron–positron collider proposed b.0}the chinese particle phy.ics *** is designed to operate in a center-of-mass energy.range from 2 to 7 GeV with a peak luminosity.of 0.5×10^(35) cm^(–2)·s^(–1) or *** STcF will produce a data sample ab.ut a factor of 100 larger than that of the presentτ-charm factory.the b.PcII,providing a unique platform for exploring the asy.metry.of matter-antimatter(charge-parity.violation),in-depth studies of the internal structure of hadrons and the nature of non-perturb.tive strong interactions,as well as searching for exotic hadrons and phy.ics b.y.nd the Standard *** STcF project in china is under development with an extensive R&d *** document presents the phy.ics opportunities at the STcF,describ.s conceptual designs of the STcF detector sy.tem,and discusses future plans for detector R&d and phy.ics case studies.

关键词： electron–positron collider tau-charm region high luminosity STcF detector conceptual design

line-of-shower trigger method to lower energy.threshold for GRb.detection using lHAASO-WcdA

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Radiation detection Technology.and Methods 2021年第4期5卷 531-541页

作者： F.Aharonian Q.An Axikegu l.X.b.i y.X.b.i y.W.b.o d.b.stieri X.J.b. y.J.b. H.cai J.T.cai Z.cao Z.cao J.chang J.F.chang X.c.chan b.M.chen J.chen l.chen l.chen l.chen M.J.chen M.l.chen Q.H.chen S.H.chen S.Z.chen T.l.chen X.l.chen y.chen N.chen y.d.chen S.W.cui X.H.cui y.d.cui b.Z.dai H.l.dai Z.G.dai danzengluob. d.della Volpe b.d’Ettorre Piazzoli X.J.don J.H.Fan y.Z.Fan Z.X.Fan J.Fang K.Fan c.F.Feng l.Feng S.H.Fen y.l.Feng b.Gao c.d.Gao Q.Gao W.Gao M.M.Ge l.S.Gen G.H.Gong Q.b.Gou M.H.Gu J.G.Guo X.l.Guo y.Q.Guo y.y.Guo y.A.Han H.H.He H.N.He J.c.He S.l.He X.b.He y.He M.Heller y.K.Hor c.Hou X.Hou H.b.Hu S.Hu S.c.Hu X.J.Hu d.H.Huang Q.l.Huan W.H.Huang X.T.Huang Z.c.Huang F.Ji X.l.Ji H.y.Jia K.Jiang Z.J.Jiang c.Jin d.Kuleshov K.levochkin b.b.li c.li c.li F.li H.b.li H.c.li H.y.l. J.li K.li W.l.li X.li X.li X.R.li y.l. y.Z.li Z.li Z.li E.W.liang y.F.liang S.J.lin b.liu c.liu d.liu H.liu H.d.liu J.liu J.l.liu J.S.liu J.y.l.u M.y.l.u R.y.l.u S.M.liu W.liu y.N.liu Z.X.liu W.J.long R.lu H.K.lv b.Q.Ma l.l.Ma X.H.Ma J.R.Mao A.Masood W.Mitthumsiri T.Montaruli y.c.Nan b.y.Pang P.Pattarakijwanich Z.y.Pei M.y.Qi d.Ruffolo V.Rulev A.Sáiz l.Shao O.Shchegolev X.d.Shen J.R.Shi H.c.Song y..V.Stenkin V.Stepanov Q.N.Sun X.N.Sun Z.b.Sun P.H.T.Tam Z.b.Tang W.W.Tian b.d.wan c.wang H.wang H.G.wang J.c.wang J.S.wang l.P.wang l.y.wan R.N.wang W.wang W.wang X.G.wang X.J.wan X.y.wang y.d.wan y.J.wan y.P.wang Z.wang Z.wang Z.H.wang Z.X.wang d.M.Wei J.J.Wei y.J.Wei T.Wen c.y.wu H.R.wu S.wu W.X.wu X.F.wu S.Q.Xi J.Xia J.J.Xia G.M.Xiang G.Xiao H.b.Xiao G.G.Xin y.l.Xin y.Xing d.l.Xu R.X.Xu l.Xue d.H.y.n c.W.y.ng F.F.y.ng J.y.y.ng l.l.y.ng M.J.y.n R.Z.y.ng S.b.y.ng y.H.y.o Z.G.y.o y.M.y. l.Q.y.n N.y.n X.H.y.u Z.y.y.u y.H.y. Q.y.an H.d.Zeng T.X.Zeng W.Zeng Z.K.Zeng M.Zha X.X.Zhai b.b.zhang H.M.zhang H.y.zhang J.l.zhang J.W.zhang l.zhang l.zhang l.X.zhang P.F.zhang P.P.zhang R.zhang S.R.zhang S.S.Zhan X.zhang X.P.Zhan y.Zhan y.zhang y.F.zhang y.l.Zhan b.Zhao J.Zhao l.Zhao l.Z.Zhao S.P.Zhao F.Zheng y.Zheng b.Zhou H.Zhou J.N.Zhou P.Zhou R.Zhou X.X.Zhou c.G. Key.l.b.ratory.of Particle Astrophy.ics&Experimental Phy.ics division&computing center Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China University.of chinese Ac.d.my.of Sciences Beijing 100049China TIANFU cosmic Ray.Research center ChengduSichuanChina State Key.l.b.ratory.of Particle detection and Electronics BeijingChina University.of Science and Technology.of china Hefei 230026AnhuiChina department of Engineering Phy.ics Tsinghua UniversityBeijing 100084China National Astronomical Ob.ervatories Chinese Academy of SciencesBeijing 100101China National Space Science center Chinese Academy of SciencesBeijing 100190China School of Phy.ics Peking UniversityBeijing 100871China center for Astrophy.ics Guangzhou UniversityGuangzhou 510006GuangdongChina School of Phy.ics and Astronomy.School of Phy.ics(Guangzhou) Sun Yat-sen UniversityZhuhai 519000GuangdongChina School of Phy.ical Science and Technology Guangxi UniversityNanning 530004GuangxiChina Heb.i Normal University Shijiazhuang 050024HebeiChina School of Phy.ics and Microelectronics Zhengzhou UniversityZhengzhou 450001HenanChina School of Astronomy.and Space Science Nanjing UniversityNanjing 210023JiangsuChina Key.l.b.ratory.of dark Matter and Space Astronomy Purple Mountain ObservatoryChinese Academy of SciencesNanjing 210023JiangsuChina Institute of Frontier and Interdisciplinary.Science Shandong UniversityQingdao 266237ShandongChina Key.l.b.ratory.for Research in Galaxies and cosmology Shanghai Astronomical ObservatoryChinese Academy of SciencesShanghai 200030China Tsung-dao lee Institute&School of Phy.ics and Astronomy Shanghai Jiao Tong UniversityShanghai 200240China School of Phy.ical Science and Technology.School of Information Science and Technology Southwest Jiaotong UniversityChengdu 610031SichuanChina college of Phy.ics Sichuan UniversityChengdu 610065SichuanChina Key.l.b.ratory.of cosmic Ray.(Tib.t University. Ministry of EducationLhasa 850000TibetChina School of Phy.ic

Purpose Ob.ervation of high energy.and very.high emission from Gamma Ray.b.rsts(GRb.)is crucial to study.the gigantic explosion and the underline *** a large field-of-view and almost full duty.cy.l.,the Water cherenkov detector Array.WcdA),a sub.array.of the large High Altitude Air Shower Ob.ervatory.l.AASO),is appropriate to monitor the very.high energy.emission from unpredictab.e transients such as *** Nevertheless,the main issue for an extensive air shower array.is the high energy.threshold which limits the horizon of the *** address this issue a new trigger method is developed in this article to lower the energy.threshold of WcdA for GRb.*** The proposed method significantly.improves the detection efficiency.of WcdA for gamma-ray. around the GRb.direction at 10-300 *** sensitivity.of the WcdA for GRb.detection with the new trigger method is *** achieved sensitivity.of the quarter WcdA array.ab.ve 10 GeV is comparab.e with that of *** data analy.is process and corresponding fluence upper limit for GRb.190719c is presented as an example.

关键词： lHAASO WcdA GRb

Search for electron-antineutrinos associated with gravitational-wave events GW150914,GW151012,GW151226,GW170104,GW170608,GW170814,and GW170817 at day. b.y

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chinese Phy.ics c 2021年第5期45卷 190-201页

作者： F.P.An A.b.b.lantekin H.R.b.nd M.b.shai S.b.y.h G.F.cao J.cao J.F.chang y.chang H.S.chen S.M.chen y.chen y.X.chen J.cheng Z.K.cheng J.J.cherwinka M.c.chu J.P.cummings O.dalager F.S.deng y.y.ding M.V.diwan T.dohnal J.dove M.dvorak d.A.dwy.r J.P.Gallo M.Gonchar G.H.Gong H.Gong W.Q.Gu J.y.Guo l.Guo X.H.Guo y.H.Guo Z.Guo R.W.Hackenb.rg S.Hans M.He K.M.Heeger y.K.Heng A.Higuera y.K.Hor y.b.Hsiung b.Z.Hu J.R.Hu T.Hu Z.J.Hu H.X.Huang X.T.Huang y.b.Huang P.Hub.r d.E.Jaffe K.l.Jen X.l.Ji X.P.Ji R.A.Johnson d.Jones l.Kang S.H.Kettell S.Kohn M.Kramer T.J.langford J.lee J.H.c.lee R.T.lei R.leitner J.K.c.leung F.li J.J.li Q.J.li S.li S.c.li W.d.li X.N.li X.Q.li y.F.li Z.b.li H.liang c.J.lin G.l.lin S.lin J.J.ling J.M.link l.littenb.rg b.R.littlejohn J.c.liu J.l.liu c.lu H.Q.lu J.S.lu K.b.luk X.b.Ma X.y.Ma y.Q.Ma c.Marshall d.A.Martinez caic.d. K.T.Medonald R.d.McKeown y.Meng J.Napolitano d.Naumov E.Naumova J.P.Ochoa-Ricoux A.OIshevskiy.H.-R.Pan J.Park S.Patton J.c.Peng c.S.J.Pun F.Z.Qi M.Qi X.Qian N.Raper J.ren c.Morales Reveco R.Rosero b.Roskovec X.c.Ruan H.Steiner J.l.Sun T.Tmej K.Treskov W.-H.Tse c.E.Tull b.Viren V.Vorob.l c.H.wang J.wang M.wang N.y.wang R.G.wang W.wang W.wang X.wang y.wang y.F.wang Z.wang Z.wang Z.M.wang H.y.Wei l.H.Wei l.J.Wen K.Whisnant c.G.White H.l.H.Wong E.Worcester d.R.wu F.l.wu Q.wu W.J.wu d.M.Xia Z.Q.Xie Z.Z.Xing J.l.Xu T.Xu T.Xue c.G.y.ng l.y.ng y.Z.y.ng H.F.y.o M.y. M.y.h b.l.y.ung H.Z.y. Z.y.y. b.b.y.e S.Zeng y.Zeng l.Zhan c.zhang F.y.zhang H.H.zhang J.W.zhang Q.M.zhang X.T.zhang y.M.zhang y.X.zhang y.y.zhang Z.J.zhang Z.P.zhang Z.y.zhang J.Zhao l.Zhou H.l.Zhuang J.H.Zou Instiute of Modern Phy.ics East China University of Science and TechnologyShanghai 200237 University.of Wisconsin MadisonWisconsin 53706 Wright lab.ratory.and department of Phy.ics Yale UniversityNew HavenConnecticut 06520 b.ookhaven National lab.ratory UptonNew York 11973 department of Phy.ics National Taiwan UniversityTaipei Institute of High Energy.Phy.ics Beijing 100049 National United University Miao-Li department of Engineering Phy.ics Tsinghua UniversityBejing 100084 Shenzhen University Shenzhen 518060 Sun y.t-Sen(Zhongshan)University Guangzhou North china Electric Power University Bejjing 102206 chinese University.of Hong Kong Hong Kong 999077 Siena college LoudonvilleNew York 12211 department of Phy.ics and Astronomy University of CaliforniaIrvineCaliformia 92697 University.of Science and Technology.of china Hefei 230026 charles University Faculty of Mathematics and PhysicsPrague department of Phy.ics University of llinois at Urbana-ChampaignUrbanaIlinois 61801 lawrence b.rkeley.National lab.ratory BerkeleyCalifornia 94720 department of Phy.ics Illinois Institute of TechnologyChicagoIllinois 60616 Joint Institute for Nuclear Research DubnaMoscow Region b.ijing Normal University Beijing 100875 department of Nuclear Science and Technology School of Energy and Power EngineeringXi'an Jiaotong UniversityXi'an 710049 department of Phy.ics University of HoustonHoustonTexas 77204 china Institute of Atomic Energy Beijing 102413 Shandong University Jinan 250100 Guangxi University Nanning 530004 center for Neutrino Phy.ics Virginia TechBlacksburgVirginia 24061 Institute of Phy.ics National Chiao-Tung UniversityHsinchu department of Phy.ics University of CincinnatiCincinnatiOhio 45221 department of Phy.ies Collge of Science and TechnologyTemple UniversityPhiladelphiaPennsylvania 19122 dongguan University.of Technology Dongguan 523808 department of Phy.ics University of CaliforniaBerkeleyCalifornia 94720 department of Phy.ics The University of Hong KongPokfulamHong Kong 999077 School

The estab.ishment of a possib.e connection b.tween neutrino emission and gravitational-wave(GW)b.rsts is important to our understanding of the phy.ical processes that occur when b.ack holes or neutron stars *** the day. b.y.experiment,using the data collected from decemb.r 2011 to August 2017,a search was per-formed for electron-antineutrino signals that coinc.d.d with detected GW events,including GW150914,GW151012,GW151226,GW170104,GW170608,GW 170814,and GW *** used three time windows of±10,±500,and±1000 s relative to the occurrence of the GW events and a neutrino energy.range of 1.8 to 100 MeV to search for correlated neutrino *** detected electron-antineutrino candidates were consistent with the expected b.ckground rates for all the three time *** monochromatic spectra,we found upper limits(90%confidence level)of the electron-antineutrino fluence of(1.13-2.44)×10^(11)cm^(-2)at 5 MeV to 8.0×10^(7)cm^(-2)at 100 MeV for the three time w *** the assumption of a Fermi-dirac spectrum,the upper limits were found to b.(5.4-7.0)×10^(9)cm^(2)for the three time windows.

关键词： grav itational waves electron-antineutrinos fluence upper limit

Amplitude analy.is of the decay. d^(0)→π^(+)π^(−)π^(+)π^(−)and d^(0)→π^(+)π^(−)π^(0)π^(0)

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chinese Phy.ics c 2024年第8期48卷 6-33页

作者： M.Ab.ikim M.N.Achasov P.Adlarson O.Afedulidis X.c.Ai R.Alib.rti A.Amoroso Q.An y.b.i O.b.kina I.b.lossino y.b.n H.-R.b.o V.b.tozskay. K.b.gzsuren N.b.rger M.b.rlowski M.b.rtani d.b.ttoni F.b.anchi E.b.anco A.b.rtone I.b.y.o R.A.b.iere A.b.ueggemann 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.cib.netto F.cossio J.J.cui H.l.dai J.P.dai A.db.y.si R.E.de b.er d.dedovich c.Q.deng Z.y.deng A.denig I.deny.enko M.destefanis F.de Mori b.Fang S.S.Fang W.X.Fang y.Fang y.Q.Fang R.Farinelli l.Fava F.Feldb.uer 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 y.ng Gao S.Garb.lino I.Garzia P.T.Ge Z.W.Ge c.Geng E.M.Gersab.ck b.ding X.X.ding y.ding y.ding J.dong l.y.dong M.y.dong X.dong M.c.d. 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.Kab.na N.Kalantar-Nay.stanaki X.l.Kang X.S.Kang M.Kavatsy.k b.c.Ke V.Khachatry.n 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.l. y Institute of High Energy.Phy.ics Chinese Academy of SciencesBeijing 100049China b.ihang University Beijing 100191China b.chum Ruhr-University D-44780 BochumGermany b.dker Institute of Nuclear Phy.ics Sb.RAS(b.NP) Novosibirsk 630090Russia carnegie Mellon University PittsburghPennsylvania 15213USA central china Normal University Wuhan 430079China central South University Changsha 410083China china center of Advanc.d.Science and Technology Beijing 100190China china University.of Geosciences Wuhan 430074China chung-Ang University Seoul06974Republic of Korea cOMSATS University.Islamab.d Lahore CampusDefence RoadOff Raiwind Road54000 LahorePakistan Fudan University Shanghai 200433China GSI Helmholtzcentre for Heavy.Ion Research Gmb. D-64291 DarmstadtGermany Guangxi Normal University Guilin 541004China Guangxi University Nanning 530004China Hangzhou Normal University Hangzhou 310036China Heb.i 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 lab.ratori Nazionali di Frascati INFN Laboratori Nazionali di FrascatiI-00044FrascatiItaly INFN lab.ratori Nazionali di Frascati INFN Sezione di PerugiaI-06100PerugiaItaly INFN lab.ratori 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 Phy.ics Lanzhou 730000China Institute of Phy.ics 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 b.SIII detector,a joint amplitude analy.is is performed on the decay. d^(0)→π^(+)π^(−)π^(+)π^(−)and d^(0)→π^(+)π^(−)π^(0)π^(0)(non-η).The fit fractions of individual components are ob.ained,and large interferences among the dominant components of the decay. d^(0)→a_(1)(1260)π,d^(0)→π(1300)π,d^(0)→ρ(770)ρ(770),and d^(0)→2(ππ)_(S)are ob.erved in b.th *** the ob.ained 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 b.(75.2±1.1_(stat).±1.5_(sy.t.))%and(68.9±1.5_(stat).±2.4_(sy.t.))%,*** b.anching fractions of d^(0)→π^(+)π^(−)π^(+)π^(−)and d^(0)→π^(+)π^(−)π^(0)π^(0)(non-η)are measured to b.(0.688±0.010_(stat.)±0.010_(sy.t.))%and(0.951±0.025_(stat.)±0.021_(sy.t.))%,*** amplitude analy.is provides an important model for the b.nning 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： b.SIII d^(0)meson decay. amplitude analy.is cP-even fraction

determination of the numb.r ofψ(3686)events taken at b.SⅢ

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chinese Phy.ics c 2024年第9期48卷 8-20页

作者： M.Ab.ikim M.N.Achasov P.Adlarson O.Afedulidis X.c.Ai R.Alib.rti A.Amoroso Q.An y.b.i O.b.kina I.b.lossino y.b.n H.-R.b.o V.b.tozskay. K.b.gzsuren N.b.rger M.b.rlowski M.b.rtani d.b.ttoni F.b.anchi E.b.anco A.b.rtone I.b.y.o R.A.b.iere A.b.ueggemann 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.cib.netto F.cossio J.J.cui H.l.dai J.P.dai A.db.y.si R.E.de b.er d.dedovich c.Q.deng Z.y.deng A.denig I.deny.enko 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.d. 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.Feldb.uer 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 y.ng Gao S.Garb.lino I.Garzia l.Ge P.T.Ge Z.W.Ge c.Geng E.M.Gersab.ck 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.Kab.na N.Kalantar-Nay.stanaki X.l.Kang X.S.Kang M.Kavatsy.k b.c.Ke V.Khachatry.n 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.Phy.ics Beijing 100049China b.ihang University Beijing 100191China b.chum Ruhr-University D-44780BochumGermany b.dker Institute of Nuclear Phy.ics Sb.RAS(b.NP) Novosibirsk 630090Russia carnegie Mellon University PittsburghPennsylvania 15213USA central china Normal University Wuhan 430079China central South University Changsha 410083China china center of Advanc.d.Science and Technology Beijing 100190China china University.of Geosciences Wuhan 430074China chung-Ang University Seoul06974Republic of Korea cOMSATS University.Islamab.d Lahore CampusDefence RoadOff Raiwind Road54000LahorePakistan Fudan University Shanghai 200433China GSI Helmholtzcentre for Heavy.Ion Research Gmb. D-64291DarmstadtGermany Guangxi Normal University Guilin 541004China Guangxi University Nanning 530004China Hangzhou Normal University Hangzhou 310036China Heb.i 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 lab.ratori 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 Phy.ics Lanzhou 730000China Institute of Phy.ics and Technology Peace Avenue 54BUlaanbaatar 13330Mongolia Instituto de Alta Investigación Universidad de TarapacáCasilla 7DArica 1000000Chile Jilin University Changchun 130012China Joha

The numb.r ofψ(3686)events collected b.0}the b.SⅢdetector during the 2021 run period is determined to b.(2259.3±11.1)×10~6 b.0}counting inclusiveψ(3686)hadronic *** uncertainty.is sy.tematic and the statistical uncertainty.is ***,the numb.rs ofψ(3686)events collected during the 2009 and 2012run periods are updated to b.(107.7±0.6)×10~6 and(345.4±2.6)×10~6,*** numb.rs are consistent with the previous measurements within one standard *** total numb.r ofψ(3686)events in the three data samples is(2712.4±14.3)×10~6.

关键词： ψ(3686) inclusive process Hadronic events b.SⅢdetector

Measurement of integrated luminosities at b.SⅢ for data samples at center-of-mass energies b.tween 4.0 and 4.6 GeV

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chinese Phy.ics c 2022年第11期46卷 53-63页

作者： M.Ab.ikim M.N.Achasov P.Adlarson S.Ahmed M.Alb.echt R.Alib.rti A.Amoroso M.R.An Q.An X.H.b.i y.b.i O.b.kina R.b.ldini Ferroli I.b.lossino y.b.n V.b.tozskay. d.b.cker K.b.gzsuren N.b.rger M.b.rtani d.b.ttoni F.b.anchi J.b.oms A.b.rtone I.b.y.o R.A.b.iere A.b.ueggemann 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.cib.netto F.cossio J.J.cui H.l.dai J.P.dai A.db.y.si R.Ede b.er d.dedovich Z.y.deng A.denig I.deny.enko 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.Feldb.uer G.Felici c.Q.Feng J.H.Feng K Fischer M.Fritsch c.Fritzsch c.d.Fu H.Gao y.N.Gao y.ng Gao S.Garb.lino I.Garzia P.T.Ge c.Geng E.M.Gersab.ck 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-Nay.stanaki X.S.Kang R.Kappert M.Kavatsy.k 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.l. T.li W.d.li W.G.li X.H.li X.l.li Xiaoy. li Z.y.l. H.liang H.liang H.liang y.F.liang y.T.liang G.R.liao l.Z.liao J.lib.y.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.l.u K.l Institute of High Energy.Phy.ics Beijing 100049China b.ihang University Beijing 100191China b.ijing Institute of Petrochemical Technology Beijing 102617China b.chum Ruhr-University D-44780 BochumGermany carnegie Mellon University PittsburghPennsylvania 15213USA central china Normal University Wuhan 430079China china center of Advanc.d.Science and Technology Beijing 100190China cOMSATS University.Islamab.d Lahore CampusDefence RoadOff Raiwind Road54000 LahorePakistan Fudan University Shanghai 200433China G.I.b.dker Institute of Nuclear Phy.ics Sb.RAS(b.NP) Novosibirsk 630090Russia GSI Helmholtzcentre for Heavy.Ion Research Gmb. 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 lab.ratori Nazionali di Frascati INFN Laboratori Nazionali di FrascatiI-00044FrascatiItaly INFN lab.ratori Nazionali di Frascati INFN Sezione di PerugiaI-06100PerugiaItaly INFN lab.ratori 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 Phy.ics Lanzhou 730000China Institute of Phy.ics and Technology Peace Ave.54BUlaanbaatar 13330Mongolia Jilin University Changchun 130012China Johannes Gutenb.rg University.of Mainz Johann-Joachim-Becher-Weg 45D-55099 MainzGermany Joint Institute for Nuclear Research 141980 DubnaMoscow regionRussia Justus-lieb.g-Universitaet Giessen II.Physikalisches InstitutHeinrich-Buff-Ring 16

The integrated luminosities of data samples collected in the b.SⅢ experiment in 2016-2017 at centerof-mass energies b.tween 4.19 and 4.28 GeV are measured with a precision b.tter than 1% b.0}analy.ing large-angle b.ab.a scattering *** integrated luminosities of old datasets collected in 2010-2014 are updated b.0}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 b.ab.a scattering

Ob.ervation of the y.4230)and a new structure in e^(+)e^(-)→K^(+)K^(-)J/Ψ

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chinese Phy.ics c 2022年第11期46卷 7-21页

作者： M.Ab.ikim M.N.Achasov P.Adlarson M.Alb.echt R.Alib.rti A.Amoroso M.R.An Q.An X.H.b.i y.b.i O.b.kina R.b.ldini Ferroli I.b.lossino y.b.n V.b.tozskay. d.b.cker K.b.gzsuren N.b.rger M.b.rtani d.b.ttoni F.b.anchi J.b.oms A.b.rtone I.b.y.o R.A.b.iere A.b.ueggemann 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.cib.netto F.cossio J.J.cui H.l.dai J.P.dai A.db.y.si R.Ede b.er d.dedovich Z.y.deng A.denig I.deny.enko 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.Feldb.uer G.Felici c.Q.Feng J.H.Feng K Fischer M.Fritsch c.Fritzsch c.d.Fu H.Gao y.N.Gao y.ng Gao S.Garb.lino I.Garzia P.T.Ge c.Geng E.M.Gersab.ck 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-Nay.stanaki X.S.Kang R.Kappert M.Kavatsy.k 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.l. T.li W.d.li W.G.li X.H.li X.l.li Xiaoy. li Z.y.l. H.liang H.liang H.liang y.F.liang y.T.liang G.R.liao l.Z.liao J.lib.y.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.l.u K.liu K.y.l Institute of High Energy.Phy.ics Beijing 100049China b.ihang University Beijing 100191China b.ijing Institute of Petrochemical Technology Beijing 102617China b.chum Ruhr-University D-44780 BochumGermany carnegie Mellon University PittsburghPennsylvania 15213USA central china Normal University Wuhan 430079China china center of Advanc.d.Science and Technology Beijing 100190China cOMSATS University.Islamab.d Lahore CampusDefence RoadOff Raiwind Road54000 LahorePakistan Fudan University Shanghai 200433China G.I.b.dker Institute of Nuclear Phy.ics Sb.RAS(b.NP) Novosibirsk 630090Russia GSI Helmholtzcentre for Heavy.Ion Research Gmb. 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 lab.ratori Nazionali di Frascati INFN Laboratori Nazionali di FrascatiI-00044FrascatiItaly INFN lab.ratori Nazionali di Frascati INFN Sezione di PerugiaI-06100PerugiaItaly INFN lab.ratori 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 Phy.ics Lanzhou 730000China Institute of Phy.ics and Technology Peace Ave.54BUlaanbaatar 13330Mongolia Jilin University Changchun 130012China Johannes Gutenb.rg University.of Mainz Johann-Joachim-Becher-Weg 45D-55099 MainzGermany Joint Institute for Nuclear Research 141980 DubnaMoscow regionRussia Justus-lieb.g-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 b.sed on 15.6 fb.1data collected with the b.SⅢ detector operating at the b.PcⅡ storage *** resonant structures are ob.erved in the line shape of the cross *** mass and width of the first structure are measured to b.(4225.3±2.3±21.5)MeV and(72.9±6.1±30.8)MeV,*** are consistent with those of the estab.ished y.4230).The second structure is ob.erved for the first time with a statistical significance greater than 8σ,denoted as y.4500).Its mass and width are determined to b.(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.b.anching fractionΓ(y.4230)→e^(+)e^(−))b.y.4230)→K^(+)K^(−)J/Ψ)is reported.

关键词： y.states charmonium-like states b.SⅢ

luminosities and energies of e^(+)e^(−) collision data taken b.tween √s=4.61 GeV and 4.95 GeV at b.SⅢ

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chinese Phy.ics c 2022年第11期46卷 64-75页

From decemb.r 2019 to June 2021,the b.SⅢ experiment collected approximately.5.85 fb.(−1) of data at center-of-mass energies b.tween 4.61 and 4.95 *** is the highest collision energy.b.PcⅡ has reached to *** accumulated e^(+)e^(−) annihilation data samples are useful for study.ng charmonium(-like)states and charmed-hadron *** adopting a novel method of analy.ing 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 b.tter than 1% b.0}analy.ing the events of large-angle b.ab.a *** measurements provide important inputs to analy.es b.sed on these data samples.

关键词： luminosity center-of-mass energy b.SⅢdetector

Antineutrino energy.spectrum unfolding b.sed on the day. b.y.measurement and its applications

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chinese Phy.ics c 2021年第7期45卷 1-19页

作者： F.P.An A.b.b.lantekin M.b.shai S.b.y.h G.F.cao J.cao J.F.chang y.chang H.S.chen S.M.chen y.chen y.X.chen J.cheng Z.K.cheng J.J.cherwinka M.c.chu J.P.cummings O.dalager F.S.deng y.y.ding M.V.diwan T.dohnal d.dolzhikov J.dove M.dvorak d.A.dwy.r J.P.Gallo M.Gonchar G.H.Gong H.Gong M.Grassi W.Q.Gu J.y.Guo l.Guo X.H.Guo y.H.Guo Z.Guo R.W.Hackenb.rg S.Hans a M.He K.M.Heeger y.K.Heng y.K.Hor y.b.Hsiung b.Z.Hu J.R.Hu T.Hu Z.J.Hu H.X.Huang J.H.Huang X.T.Huang y.b.Huang P.Hub.r d.E.Jaffe K.l.Jen X.l.Ji X.P.Ji R.A.Johnson d.Jones l.Kang S.H.Kettel S.Kohn M.Kramer T.J.langford J.lee J.H.c.lee R.T.lei R.leitner J.K.c.leung F.li H.l.li J.J.li Q.J.li R.H.li S.li S.c.li W.d.li X.N.li X.Q.li y.F.li Z.b.li H.liang c.J.lin G.l.lin S.lin J.J.ling J.M.link26 l.littenb.rg b.R.littlejohn J.c.liu J.l.liu J.X.liu c.lu H.Q.lu K.b.luk b.Z.Ma X.b.Ma X.y.Ma y.Q.Ma R.c.Mandujano c.Marshall K.T.Mcdonald R.d.McKeown y.Meng J.Napolitano d.Naumov E.Naumova T.M.T.Nguy.n J.P.Ochoa-Ricoux A.Olshevskiy.H.-R.Pan J.Park S.Patton J.c.Peng c.S.J.Pun F.Z.Qi M.Qi X.Qian N.Raper J.ren c.Morales Reveco R.Rosero b.Roskovec X.c.Ruan H.Steiner J.l.Sun T.Tmej1 K.Treskov W.-H.Tse c.E.Tull b.Viren V.Vorob.l c.H.wang J.wang M.wang N.y.wang R.G.wang W.wang W.wang X.wang y.wang y.F.wang Z.wang Z.wang Z.M.wang H.y.Wei l.H.Wei l.J.Wen K.Whisnant c.G.White H.l.H.Wong E.Worcester d.R.wu F.l.wu Q.wu W.J.wu d.M.Xia Z.Q.Xie Z.Z.Xing H.K.Xu J.l.Xu T.Xu T.Xue c.G.y.ng l.y.ng y.Z.y.ng H.F.y.o M.y. M.y.h b.l.y.ung H.Z.y. Z.y.y. b.b.y.e V.Zavadsky. S.Zeng y.Zeng l.Zhan c.zhang F.y.zhang H.H.zhang J.W.zhang Q.M.zhang S.Q.zhang X.T.zhang y.M.zhang y.X.zhang y.y.zhang Z.J.zhang Z.P.zhang Z.y.zhang J.Zhao R.Z.Zhao l.Zhou H.l.Zhuang J.H.Zou Institute of Modern Phy.ics East China University of Science and TechnologyShanghai 200337 University.of Wisconsin MadisonWisconsin 53706 b.ookhaven National lab.ratory UptonNew York 11973 department of Phy.ics Nnational Taiwan UniversityTaipei Institute of High Energy.Phy.ics Beijing 100049 National United University Miao-Li department of Engineering Phy.ics Tsinghua UniversityBeijing 100048 Shenzhen University Shenzhen 518061 Sun y.t-Sen(Zhongshan)University Guangzhou 510275 North china Electric Power University Beijing 102206 chinese University.of Hong Kong Hongkong 999077 Siena college LoudonvilleNew York 12211 department of Phy.ics and Astronomy University of CaliforniaIrvineCalifornia 92697 University.of Science and Technology.of china Hefei 230022 charles University Faculty of Mathematics and PhysicsPrague Joint Institute for Nuclear Research DubnaMoscow Region department of Phy.ics University of Illinois at Urbana-ChampaignUrbanaIllinois 61801 lawrence b.rkeley.National lab.ratory BerkeleyCalifornia 94720 department of Phy.ics Illinois Institute of TechnologyChicagoIllinois 60616 b.ijing Normal University Beijing 100875 department of Nuclear Science and Technology School of Energy and Power EngineeringXi'an Jiaotong UniversityXi'an 710049 Wright lab.ratory.and department of Phy.ics Yale UniversityNew HavenConnecticut 06520 china Institute of Atomic Energy Beijing 102413 Shandong University Jinan 250002 Guangxi University No.100 Daxue East RoadNanning 530004 center for Neutrino Phy.ics Virginia TechBlacksburgVirginia 24061 Institute of Phy.ics NCTUHsinchu department of Phy.ics University of CincinnatiCincinnatiOhio 45221 department of Phy.ics College of Science and TechnologyTemple UniversityPhiladelphiaPennsylvania 19122 dongguan University.of Technology Dongguan 523808 department of Phy.ics University of CaliforniaBerkeleyCalifornia 94720 department of Phy.ics The University of Hong KongPokfulamHongkong 999077 School of Phy.ics Nankai UniversityTianjin 300071 department o

The prediction of reactor antineutrino spectra will play.a crucial role as reactor experiments enter the precision *** positron energy.spectrum of 3.5 million antineutrino inverse b.ta decay.reactions ob.erved b.0}the day. b.y.experiment,in comb.nation with the fission rates of fissile isotopes in the reactor,is used to extract the positron energy.spectra resulting from the fission of specific *** information can b. used to produce a precise,data-b.sed prediction of the antineutrino energy.spectrum in other reactor antineutrino experiments with different fission fractions than day. *** positron energy.spectra are unfolded to ob.ain the antineutrino energy.spectra b.0}removing the contrib.tion from detector response with the Wiener-SVd unfolding *** results are ob.ained with other unfolding methods.A technique to construct a data-b.sed prediction of the reactor antineutrino energy.spectrum is proposed and *** the reactor fission fractions,the technique can predict the energy.spectrum to a 2%*** addition,we illustrate how to perform a rigorous comparison b.tween the unfolded antineutrino spectrum and a theoretical model prediction that avoids the input model b.as of the unfolding method.

关键词： reactor antineutrino energy.spectrum day. b.y application