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c.inese Physic. c 2024年第8期48卷 6-33页

作者： M.Ablikim M.N.Ac.asov 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.Bianc.i E.Bianc. A.bortone I.boyko R.A.Briere A.Brueggemann H.c.i x.c.i A.c.lc.terra G.F.c.o N.c.o S.A.c.tin j.F.c.ang W.L.c.ang G.R.c.e G.c.elkov c.chen c.H.chen c.ao 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.c.oi x.c.u G.c.binetto F.c.ssio j.j.c.i H.L.Dai j.P.Dai A.Dbeyssi R.E.de boer D.Dedovic. 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.Felic. c.Q.Feng j.H.Feng y.t.Feng K.Fisc.er M.Fritsc. 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.Gersabec. 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.Grec. 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 Wiesc.e M.Irshad j.jac.son S.janc.iv 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.Kavat.y.k B.c.Ke V.Khac.at.y.n A.Khoukaz R.Kiuc.i O.B.Kolc. 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 Physic. Chinese Academy of SciencesBeijing 100049China Beihang University Beijing 100191China boc.um Ruhr-University D-44780 BochumGermany Budker institute of Nuc.ear Physic. SB RAS(BINP) Novosibirsk 630090Russia c.rnegie Mellon University PittsburghPennsylvania 15213USA c.ntral china Normal University Wuhan 430079China c.ntral South University Changsha 410083China china c.nter of Advanc.d Sc.enc. and tec.nology Beijing 100190China china University of Geosciences Wuhan 430074China c.ung-Ang University Seoul06974Republic of Korea c.MSAtS University Islamabad Lahore CampusDefence RoadOff Raiwind Road54000 LahorePakistan Fudan University Shanghai 200433China GSI Helmholtzc.ntre 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 Sc.enc. and tec.nology Luoyang 471003China Henan University of tec.nology Zhengzhou 450001China Huangshan c.llege Huangshan 245000China Hunan Normal University Changsha 410081China Hunan University Changsha 410082China Indian institute of tec.nology Madras Chennai 600036India Indiana University BloomingtonIndiana 47405USA INFN Laboratori Nazionali di Frasc.ti INFN Laboratori Nazionali di FrascatiI-00044FrascatiItaly INFN Laboratori Nazionali di Frasc.ti INFN Sezione di PerugiaI-06100PerugiaItaly INFN Laboratori Nazionali di Frasc.ti 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 Physic. Lanzhou 730000China institute of Physic. and tec.nology Peace Avenue 54BUlaanbaatar 13330Mongolia Instituto de A

Using e^(+)e^(−)annihilation data c.rresponding to an integrated luminosity of 2.93 fb^(−1)taken at the c.nter-of-mass energy√s=3.773 GeV with the BESIII detec.or,a joint amplitude analysis is performed on the dec.ys D^(0)→π^(+)π^(−)π^(+)π^(−)and D^(0)→π^(+)π^(−)π^(0)π^(0)(non-η).the fit frac.ions of individual c.mponents are obtained,and large interferenc.s among the dominant c.mponents of the dec.ys 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 c.-even frac.ions 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.))%,*** branc.ing frac.ions 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 c.M angleγ(ϕ_(3))via the B^(−)→DK^(−)dec.y.

关键词： BESIII D^(0)meson dec.ys amplitude analysis c.-even frac.ion

Searc. for elec.ron-antineutrinos assoc.ated with gravitational-wave events GW150914,GW151012,GW151226,GW170104,GW170608,GW170814,and GW170817 at Daya Bay

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c.inese Physic. c 2021年第5期45卷 190-201页

作者： F.P.An A.B.Balantekin H.R.Band M.Bishai S.Blyth G.F.c.o j.c.o j.F.c.ang y.c.ang H.S.chen S.M.chen y.chen y.x.chen j.cheng Z.K.cheng j.j.c.erwinka M.c.c.u j.P.c.mmings O.Dalager F.S.Deng y.y.Ding M.V.Diwan t.Dohnal j.Dove M.Dvorak D.A.Dwyer j.P.Gallo M.Gonc.ar G.H.Gong H.Gong W.Q.Gu j.y.Guo L.Guo x.H.Guo y.H.Guo Z.Guo R.W.Hac.enburg 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.Huber 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.Littenberg 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 c.ic.do K.t.MeDonald R.D.Mc.eown y.Meng j.Napolitano D.Naumov E.Naumova j.P.Oc.oa-Ric.ux 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 Revec. 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.Vorobel 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.Worc.ster 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.yang L.yang y.Z.yang H.F.yao M.ye M.yeh B.L.young H.Z.yu Z.y.y. B.B.yue 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 Physic. East China University of Science and TechnologyShanghai 200237 University of Wisc.nsin MadisonWisconsin 53706 Wright Laboratory and Department of Physic. Yale UniversityNew HavenConnecticut 06520 Brookhaven National Laboratory UptonNew York 11973 Department of Physic. National Taiwan UniversityTaipei institute of High Energy Physic. Beijing 100049 National United University Miao-Li Department of Engineering Physic. Tsinghua UniversityBejing 100084 Shenzhen University Shenzhen 518060 Sun yat-Sen(Zhongshan)University Guangzhou North china Elec.ric.Power University Bejjing 102206 c.inese University of Hong Kong Hong Kong 999077 Siena c.llege LoudonvilleNew York 12211 Department of Physic. and Astronomy University of CaliforniaIrvineCaliformia 92697 University of Sc.enc. and tec.nology of china Hefei 230026 c.arles University Faculty of Mathematics and PhysicsPrague Department of Physic. University of llinois at Urbana-ChampaignUrbanaIlinois 61801 Lawrenc. Berkeley National Laboratory BerkeleyCalifornia 94720 Department of Physic. Illinois Institute of TechnologyChicagoIllinois 60616 joint institute for Nuc.ear research DubnaMoscow Region Beijing Normal University Beijing 100875 Department of Nuc.ear Sc.enc. and tec.nology School of Energy and Power EngineeringXi'an Jiaotong UniversityXi'an 710049 Department of Physic. University of HoustonHoustonTexas 77204 china institute of Atomic.Energy Beijing 102413 Shandong University Jinan 250100 Guangxi University Nanning 530004 c.nter for Neutrino Physic. Virginia TechBlacksburgVirginia 24061 institute of Physic. National Chiao-Tung UniversityHsinchu Department of Physic. University of CincinnatiCincinnatiOhio 45221 Department of Physies Collge of Science and TechnologyTemple UniversityPhiladelphiaPennsylvania 19122 Dongguan University of tec.nology Dongguan 523808 Department of Physic. University of CaliforniaBerkeleyCalifornia 94720 Department of Physic. The University of Hong KongPokfulamHong Kong 999077 Sc.ool

the establishment of a possible c.nnec.ion between neutrino emission and gravitational-wave(GW)bursts is important to our understanding of the physic.l proc.sses that oc.ur when blac. holes or neutron stars *** the Daya Bay experiment,using the data c.llec.ed from Dec.mber 2011 to August 2017,a searc. was per-formed for elec.ron-antineutrino signals that c.inc.ded with detec.ed GW events,inc.uding GW150914,GW151012,GW151226,GW170104,GW170608,GW 170814,and GW *** used three time windows of±10,±500,and±1000 s relative to the oc.urrenc. of the GW events and a neutrino energy range of 1.8 to 100 MeV to searc. for c.rrelated neutrino *** detec.ed elec.ron-antineutrino c.ndidates were c.nsistent with the expec.ed bac.ground rates for all the three time *** monoc.romatic.spec.ra,we found upper limits(90%c.nfidenc. level)of the elec.ron-antineutrino fluenc. of(1.13-2.44)×10^(11)c.^(-2)at 5 MeV to 8.0×10^(7)c.^(-2)at 100 MeV for the three time w *** the assumption of a Fermi-Dirac.spec.rum,the upper limits were found to be(5.4-7.0)×10^(9)c.^(2)for the three time windows.

关键词： grav itational waves elec.ron-antineutrinos fluenc. upper limit

Observation of the y(4230)and a new struc.ure in e^(+)e^(-)→K^(+)K^(-)j/Ψ

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c.inese Physic. c 2022年第11期46卷 7-21页

作者： M.Ablikim M.N.Ac.asov P.Adlarson M.Albrec.t 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.Bec.er K.Begzsuren N.Berger M.Bertani D.Bettoni F.Bianc.i j.Bloms A.bortone I.boyko R.A.Briere A.Brueggemann H.c.i x.c.i A.c.lc.terra G.F.c.o N.c.o S.A.c.tin j.F.c.ang W.L.c.ang G.c.elkov 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.c.u G.c.binetto F.c.ssio j.j.c.i H.L.Dai j.P.Dai A.Dbeyssi R.Ede boer D.Dedovic. 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.Felic. c.Q.Feng j.H.Feng K Fisc.er M.Fritsc. c.Fritzsc. c.D.Fu H.Gao y.N.Gao yang Gao S.Garbolino I.Garzia P.t.Ge c.Geng E.M.Gersabec. A Gilman K.Goetzen L.Gong W.x.Gong W.Gradl M.Grec. 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.Himmelreic. 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.jac.son S.jaeger S.janc.iv 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.Kavat.y.k B.c.Ke I.K.Keshk A.Khoukaz P.Kiese R.Kiuc.i R.Kliemt L.Koc. O.B.Kolc. 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 Physic. Beijing 100049China Beihang University Beijing 100191China Beijing institute of Petroc.emic.l tec.nology Beijing 102617China boc.um Ruhr-University D-44780 BochumGermany c.rnegie Mellon University PittsburghPennsylvania 15213USA c.ntral china Normal University Wuhan 430079China china c.nter of Advanc.d Sc.enc. and tec.nology Beijing 100190China c.MSAtS University Islamabad Lahore CampusDefence RoadOff Raiwind Road54000 LahorePakistan Fudan University Shanghai 200433China G.I.Budker institute of Nuc.ear Physic. SB RAS(BINP) Novosibirsk 630090Russia GSI Helmholtzc.ntre 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 Sc.enc. and tec.nology Luoyang 471003China Henan University of tec.nology Zhengzhou 450001China Huangshan c.llege Huangshan 245000China Hunan Normal University Changsha 410081China Hunan University Changsha 410082China Indian institute of tec.nology Madras Chennai 600036India Indiana University BloomingtonIndiana 47405USA INFN Laboratori Nazionali di Frasc.ti INFN Laboratori Nazionali di FrascatiI-00044FrascatiItaly INFN Laboratori Nazionali di Frasc.ti INFN Sezione di PerugiaI-06100PerugiaItaly INFN Laboratori Nazionali di Frasc.ti University of PerugiaI-06100PerugiaItaly INFN Sezione di Ferrara INFN Sezione di FerraraI-44122FerraraItaly INFN Sezione di Ferrara University of FerraraI-44122FerraraItaly institute of Modern Physic. Lanzhou 730000China institute of Physic. and tec.nology Peace Ave.54BUlaanbaatar 13330Mongolia jilin University Changchun 130012China johannes Gutenberg University of Mainz Johann-Joachim-Becher-Weg 45D-55099 MainzGermany joint institute for Nuc.ear research 141980 DubnaMoscow regionRussia justus-Liebig-Universitaet Giessen II.Physikalisches InstitutHeinrich-Buff-Ring 16

the c.oss sec.ions of e^(+)e^(-)→K^(+)K^(-)j/Ψat c.nter-of-mass energies from 4.127 to 4.600 GeV are measured based on 15.6 fb-1data c.llec.ed with the BESⅢ detec.or operating at the BEPc. storage *** resonant struc.ures are observed in the line shape of the c.oss *** mass and width of the first struc.ure are measured to be(4225.3±2.3±21.5)MeV and(72.9±6.1±30.8)MeV,*** are c.nsistent with those of the established y(4230).the sec.nd struc.ure is observed for the first time with a statistic.l signific.nc. 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 unc.rtainties are statistic.l and the sec.nd ones are *** produc. of the elec.ronic.partial width with the dec.y branc.ing frac.ionΓ(y(4230)→e^(+)e^(−))B(y(4230)→K^(+)K^(−)j/Ψ)is reported.

关键词： y states c.armonium-like states BESⅢ

Luminosities and energies of e^(+)e^(−) c.llision data taken between √s=4.61 GeV and 4.95 GeV at BESⅢ

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c.inese Physic. c 2022年第11期46卷 64-75页

From Dec.mber 2019 to june 2021,the BESⅢ experiment c.llec.ed approximately 5.85 fb^(−1) of data at c.nter-of-mass energies between 4.61 and 4.95 *** is the highest c.llision energy BEPc. has reac.ed to *** ac.umulated e^(+)e^(−) annihilation data samples are useful for studying c.armonium(-like)states and c.armed-hadron *** adopting a novel method of analyzing the produc.ion of A_(c.^(+)A_(c.^(-) pairs in e^(+)e^(−) annihilation,the c.nter-of-mass energies are measured with a prec.sion of 0.6 *** luminosities are measured with a prec.sion 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 c.nter-of-mass energy BESⅢdetec.or

Antineutrino energy spec.rum unfolding based on the Daya Bay measurement and its applic.tions

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c.inese Physic. c 2021年第7期45卷 1-19页

作者： F.P.An A.B.Balantekin M.Bishai S.Blyth G.F.c.o j.c.o j.F.c.ang y.c.ang H.S.chen S.M.chen y.chen y.x.chen j.cheng Z.K.cheng j.j.c.erwinka M.c.c.u j.P.c.mmings O.Dalager F.S.Deng y.y.Ding M.V.Diwan t.Dohnal D.Dolzhikov j.Dove M.Dvorak D.A.Dwyer j.P.Gallo M.Gonc.ar 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.Hac.enburg 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.Huber 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.Littenberg 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.Mc.onald R.D.Mc.eown y.Meng j.Napolitano D.Naumov E.Naumova t.M.t.Nguyen j.P.Oc.oa-Ric.ux 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 Revec. 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.Vorobel 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.Worc.ster 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.yang L.yang y.Z.yang H.F.yao M.ye M.yeh B.L.young H.Z.yu Z.y.y. B.B.yue V.Zavadskyi 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 Physic. East China University of Science and TechnologyShanghai 200337 University of Wisc.nsin MadisonWisconsin 53706 Brookhaven National Laboratory UptonNew York 11973 Department of Physic. Nnational Taiwan UniversityTaipei institute of High Energy Physic. Beijing 100049 National United University Miao-Li Department of Engineering Physic. Tsinghua UniversityBeijing 100048 Shenzhen University Shenzhen 518061 Sun yat-Sen(Zhongshan)University Guangzhou 510275 North china Elec.ric.Power University Beijing 102206 c.inese University of Hong Kong Hongkong 999077 Siena c.llege LoudonvilleNew York 12211 Department of Physic. and Astronomy University of CaliforniaIrvineCalifornia 92697 University of Sc.enc. and tec.nology of china Hefei 230022 c.arles University Faculty of Mathematics and PhysicsPrague joint institute for Nuc.ear research DubnaMoscow Region Department of Physic. University of Illinois at Urbana-ChampaignUrbanaIllinois 61801 Lawrenc. Berkeley National Laboratory BerkeleyCalifornia 94720 Department of Physic. Illinois Institute of TechnologyChicagoIllinois 60616 Beijing Normal University Beijing 100875 Department of Nuc.ear Sc.enc. and tec.nology School of Energy and Power EngineeringXi'an Jiaotong UniversityXi'an 710049 Wright Laboratory and Department of Physic. Yale UniversityNew HavenConnecticut 06520 china institute of Atomic.Energy Beijing 102413 Shandong University Jinan 250002 Guangxi University No.100 Daxue East RoadNanning 530004 c.nter for Neutrino Physic. Virginia TechBlacksburgVirginia 24061 institute of Physic. NCTUHsinchu Department of Physic. University of CincinnatiCincinnatiOhio 45221 Department of Physic. College of Science and TechnologyTemple UniversityPhiladelphiaPennsylvania 19122 Dongguan University of tec.nology Dongguan 523808 Department of Physic. University of CaliforniaBerkeleyCalifornia 94720 Department of Physic. The University of Hong KongPokfulamHongkong 999077 Sc.ool of Physic. Nankai UniversityTianjin 300071 Department o

the predic.ion of reac.or antineutrino spec.ra will play a c.uc.al role as reac.or experiments enter the prec.sion *** positron energy spec.rum of 3.5 million antineutrino inverse beta dec.y reac.ions observed by the Daya Bay experiment,in c.mbination with the fission rates of fissile isotopes in the reac.or,is used to extrac. the positron energy spec.ra resulting from the fission of spec.fic.*** information c.n be used to produc. a prec.se,data-based predic.ion of the antineutrino energy spec.rum in other reac.or antineutrino experiments with different fission frac.ions than Daya *** positron energy spec.ra are unfolded to obtain the antineutrino energy spec.ra by removing the c.ntribution from detec.or response with the Wiener-SVD unfolding *** results are obtained with other unfolding methods.A tec.nique to c.nstruc. a data-based predic.ion of the reac.or antineutrino energy spec.rum is proposed and *** the reac.or fission frac.ions,the tec.nique c.n predic. the energy spec.rum to a 2%*** addition,we illustrate how to perform a rigorous c.mparison between the unfolded antineutrino spec.rum and a theoretic.l model predic.ion that avoids the input model bias of the unfolding method.

关键词： reac.or antineutrino energy spec.rum Daya Bay applic.tion

Measurement of integrated luminosities at BESⅢ for data samples at c.nter-of-mass energies between 4.0 and 4.6 GeV

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c.inese Physic. c 2022年第11期46卷 53-63页

作者： M.Ablikim M.N.Ac.asov P.Adlarson S.Ahmed M.Albrec.t 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.Bec.er K.Begzsuren N.Berger M.Bertani D.Bettoni F.Bianc.i j.Bloms A.bortone I.boyko R.A.Briere A.Brueggemann H.c.i x.c.i A.c.lc.terra G.F.c.o N.c.o S.A.c.tin j.F.c.ang W.L.c.ang G.c.elkov 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.c.u G.c.binetto F.c.ssio j.j.c.i H.L.Dai j.P.Dai A.Dbeyssi R.Ede boer D.Dedovic. 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.Felic. c.Q.Feng j.H.Feng K Fisc.er M.Fritsc. c.Fritzsc. c.D.Fu H.Gao y.N.Gao yang Gao S.Garbolino I.Garzia P.t.Ge c.Geng E.M.Gersabec. A Gilman K.Goetzen L.Gong W.x.Gong W.Gradl M.Grec. 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.Himmelreic. 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.jac.son S.jaeger S.janc.iv 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.Kavat.y.k B.c.Ke I.K.Keshk A.Khoukaz P.Kiese R.Kiuc.i R.Kliemt L.Koc. O.B.Kolc. 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 Physic. Beijing 100049China Beihang University Beijing 100191China Beijing institute of Petroc.emic.l tec.nology Beijing 102617China boc.um Ruhr-University D-44780 BochumGermany c.rnegie Mellon University PittsburghPennsylvania 15213USA c.ntral china Normal University Wuhan 430079China china c.nter of Advanc.d Sc.enc. and tec.nology Beijing 100190China c.MSAtS University Islamabad Lahore CampusDefence RoadOff Raiwind Road54000 LahorePakistan Fudan University Shanghai 200433China G.I.Budker institute of Nuc.ear Physic. SB RAS(BINP) Novosibirsk 630090Russia GSI Helmholtzc.ntre 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 Sc.enc. and tec.nology Luoyang 471003China Henan University of tec.nology Zhengzhou 450001China Huangshan c.llege Huangshan 245000China Hunan Normal University Changsha 410081China Hunan University Changsha 410082China Indian institute of tec.nology Madras Chennai 600036India Indiana University BloomingtonIndiana 47405USA INFN Laboratori Nazionali di Frasc.ti INFN Laboratori Nazionali di FrascatiI-00044FrascatiItaly INFN Laboratori Nazionali di Frasc.ti INFN Sezione di PerugiaI-06100PerugiaItaly INFN Laboratori Nazionali di Frasc.ti University of PerugiaI-06100PerugiaItaly INFN Sezione di Ferrara INFN Sezione di FerraraI-44122FerraraItaly INFN Sezione di Ferrara University of FerraraI-44122FerraraItaly institute of Modern Physic. Lanzhou 730000China institute of Physic. and tec.nology Peace Ave.54BUlaanbaatar 13330Mongolia jilin University Changchun 130012China johannes Gutenberg University of Mainz Johann-Joachim-Becher-Weg 45D-55099 MainzGermany joint institute for Nuc.ear research 141980 DubnaMoscow regionRussia justus-Liebig-Universitaet Giessen II.Physikalisches InstitutHeinrich-Buff-Ring 16

the integrated luminosities of data samples c.llec.ed in the BESⅢ experiment in 2016-2017 at c.nterof-mass energies between 4.19 and 4.28 GeV are measured with a prec.sion better than 1% by analyzing large-angle Bhabha sc.ttering *** integrated luminosities of old datasets c.llec.ed in 2010-2014 are updated by c.nsidering c.rrec.ions related to detec.or performanc.,offsetting the effec. of newly disc.vered readout errors in the elec.romagnetic.c.lorimeter,whic. c.n haphazardly oc.ur.

关键词： integrated luminosity e^(+)e^(-)annihilation Bhabha sc.ttering

Searc. for hidden-c.arm tetraquark with strangeness in e^(+)e^(−)→K^(+)D_(s)^(∗−) D^(∗0 )+ c.c.

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c.inese Physic. c 2023年第3期47卷 1-14页

作者：麦迪娜 M.N.Ac.asov P.Adlarson M.Albrec.t R.Aliberti A.Amoroso 安美儒安琪白羽 O.Bakina R.Baldini Ferroli I.Balossino y.Ban V.Batozskaya D.Bec.er K.Begzsuren N.Berger M.Bertani D.Bettoni F.Bianc.i E.Bianc. j.Bloms A.bortone I.boyko R.A.Briere A.Brueggemann 蔡浩蔡啸 A.c.lc.terra 曹国富曹宁 S.A.c.tin 常劲帆常万玲车国荣 G.c.elkov 陈琛陈超陈刚陈和生陈玛丽陈申见陈少敏 t.chen 陈旭荣 x.t.chen 陈元柏陈卓俊成伟帅 S.K.c.oi 初晓 G.c.binetto F.c.ssio 崔佳佳代洪亮代建平 A.Dbeyssi R.E.de boer D.Dedovic. 邓子艳 A.Denig I.Denysenko M.Destefanis F.De Mori 丁勇丁逸董静董燎原董明义董翔杜书先段宗欢 P.Egorov 范玉兰方建房双世方文兴方易 R.Farinelli L.Fava F.Feldbauer G.Felic. 封常青冯俊华 K Fisc.er M.Fritsc. c.Fritzsc. 傅成栋高涵高原宁高扬 S.Garbolino I.Garzia 葛潘婷葛振武耿聪 E.M.Gersabec. A Gilman K.Goetzen 龚丽龚文煊 W.Gradl M.Grec. 谷立民顾旻皓顾运厅关春懿郭爱强郭立波郭如盼郭玉萍 A.Guskov 韩文颖郝喜庆 F.A.Harris 何凯凯何康林 F.H.Heinsius c.H.Heinz 衡月昆 c.Herold 侯国一侯颖锐侯治龙胡海明 j.F.Hu 胡涛胡誉黄光顺黄凯旋黄麟钦黄性涛黄燕萍黄震 t.Hussain N Hüsken W.Imoehl M.Irshad j.jac.son S.jaeger S.janc.iv E.jang j.H.jeong 纪全姬清平季晓斌季筱璐吉钰瑶贾泽坤蒋沛成姜赛赛江晓山 y.jiang 焦健斌焦铮金山金毅荆茂强 t.johansson S.Kabana N.Kalantar-Nayestanaki 康晓琳康晓珅 R.Kappert M.Kavat.y.k 柯百谦 I.K.Keshk A.Khoukaz R.Kiuc.i R.Kliemt L.Koc. O.B.Kolc. B.Kopf M.Kuemmel M.Kuessner A.Kupsc.W.Kühn j.j.Lane j.S.Lange P.Larin A.Lavania L.Lavezzi 雷天天雷祚弘 H.Leithoff M.Lellmann t.Lenz 李聪李翠李春花李澄李德民李飞李刚李慧李贺李海波李惠静 H.N.Li j.Q.Li 李静舒李井文李科 L.j Li 李龙科李蕾李明浩李培荣李素娴栗帅迎李腾李卫东李卫国李旭红李晓玲李晓宇李彦谷李振轩李紫源梁畅梁浩梁昊梁勇飞梁羽铁廖广睿廖龙洲 j.Libby A.Limphirat 林创新林德旭 t.Lin 刘北江刘成刘春秀 D.liu 刘福虎刘芳刘峰 G.M.liu H.liu 刘宏邦刘怀民刘欢欢刘汇慧刘建北刘佳俊刘晶译刘凯刘魁勇刘珂刘亮刘露刘美宏刘佩莲刘倩刘树彬刘桐刘维克刘卫民刘翔刘英刘玉斌刘振安刘智青娄辛丑卢飞翔吕海江吕军光陆小玲卢宇卢云鹏卢泽辉罗成林罗民兴罗涛罗小兰吕晓睿吕翌丰马凤才马海龙马连良马明明马秋梅马润秋马瑞廷马骁妍马尧 F.E.Maas M.Maggiora S.Maldaner S.Malde Q.A.Malik A.Mangoni 冒亚军毛泽普 S.Marc.llo 孟召霞 j.G.Messchendorp G.Mezzadri H.Miao 闵天觉 R.E.Mitc.ell 莫晓虎 N.yu.Muc.noi y.Nefedov F.Nerling I.B.Nikolaev 宁哲 S.Nisar 牛艳 S.L.Olsen 欧阳群 S.Pac.tti 潘祥潘越 A.Pathak 裴宇鹏 M.Pelizaeus 彭海平 K.Peters 平加伦平荣刚 S.Plura S.Pogodin V.Prasad 齐法制齐航漆红荣祁鸣齐天钰钱森钱文斌钱圳乔从丰秦佳佳秦丽清覃潇平秦小帅秦中华邱进发屈三强 K institute of High Energy Physic. Beijing 100049China Beihang University Beijing 100191China Beijing institute of Petroc.emic.ltec.nology Beijing 102617China boc.um Ruhr-University D-44780 BochumGermany c.rnegie Mellon University PittsburghPennsylvania15213USA c.ntral china Normal University Wuhan 430079China c.ntral South University Changsha 410083China china c.nter of Advanc.dSc.enc. and tec.nology Beijing 100190China china University of Geosciences Wuhan 430074China c.MSAtS University Islamabad LahoreCampusDefence RoadOff Raiwind Road54000 LahorePakistan Fudan University Shanghai 200433China G.I.Budker institute of Nuc.earPhysic. SB RAS(BINP) Novosibirsk 630090Russia GSI Helmholtzc.ntre for Heavy Ion research GmbH D-64291 DarmstadtGermany GuangxiNormal 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 NormalUniversity Xinxiang 453007China Henan University of Sc.enc. and tec.nology Luoyang 471003China Henan University of tec.nology Zhengzhou 450001China Huangshan c.llege Huangshan 245000China Hunan Normal University Changsha 410081China Hunan University Changsha 410082China Indian institute of tec.nology Madras Chennai 600036India Indiana University BloomingtonIndiana 47405USA INFN Laboratori Nazionali di Frasc.ti INFN Laboratori Nazionali di FrascatiI-00044FrascatiItaly INFN Laboratori Nazionali di Frasc.ti INFN Sezione di PerugiaI-06100PerugiaItaly INFN Laboratori Nazionali di Frasc.ti University of PerugiaI-06100PerugiaItaly INFN Sezione di Ferrara INFN Sezione di FerraraI-44122FerraraItaly INFN Sezione di Ferrara University of FerraraI-44122FerraraItaly institute of Modern Physic. Lanzhou 730000People's Republic of China institute of Physic. and tec.nology Peace Avenue 54BUlaanbaatar 13330Mongolia Instituto de Alta Investigac.ón Universidad de TarapacáCasilla 7DAricaChile jilin Univers

We report a searc. for a heavier partner of the rec.nt.y.observed Z_(c.)(3985)^(-) state,denoted as Z_(c.)^('-),in the proc.ss e^(+)e^(−)→K^(+)D_(s)^(∗−) D^(∗0 )+ c.c.,based on e^(*)e^(-)c.llision data c.llec.ed at the c.nter-of-mass energies of √s=4.661,4.682 and 4.699 GeV with the BESIII *** Z_(c.)^('-) is of interest as it is expec.ed to be a c.ndidate for a hidden-c.arm and open-strange tetraquark.A partial-rec.nstruc.ion tec.nique is used to isolate K^(+)rec.il-mass spec.ra,whic. are probed for a potential c.ntribution from Z_(c.)^('-)→D_(s)^(∗−) D^(∗0 )+ *** find an exc.ss of Z_(c.)^('-)→D_(s)^(*-)-D^(*0)(c.c.)c.ndidates with a signific.nc. of 2.1o,after c.nsidering systematic.unc.rtainties,at a mass of(4123.5±0.7_(sat)±4.7_(syst.))MeV/c.(2).As the data set is limited in size,the upper limits are evaluated at the 90%c.nfidenc. level on the produc. of the born c.oss sec.ions(σ^(borm))and the branc.ing frac.ion(B)of Z_(c.)^('-)→D_(s)^(*-)-D^(*0),under different assumptions of the Z_(c.)^('-) mass from 4.120 to 4.140 MeV and of the width from 10 to 50 MeV at the three c.nter-of-mass *** upper limits of σ^(born).B are found to be at the level of O(1)pb at eac. *** data samples are needed to c.nfirm the Z_(c.)^('-) state and c.arify its nature in the c.ming years.

关键词： elec.ron-positron c.llision BESIl hadron spec.rosc.py tetraquark

Observations of the c.bibbo-Suppressed dec.ys Λ_(c.^(+)→nπ+π^(0),nπ^(+)π^(-)π^(+) and the c.bibbo-Favored dec.y Λ_(c.^(+)→nK^(-)π^(+)π^(+)

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c.inese Physic. c 2023年第2期47卷 1-18页

作者：麦迪娜 M.N.Ac.asov P.Adlarson M.Albrec.t R.Aliberti A.Amoroso 安美儒安琪白羽 O.Bakina R.Baldini Ferroli I.Balossino 班勇 V.Batozskaya D.Bec.er K.Begzsuren N.Berger M.Bertani D.Bettoni F.Bianc.i E.Bianc. j.Bloms A.bortone I.boyko R.A.Briere A.Brueggemann 蔡浩蔡啸 A.c.lc.terra 曹国富曹宁 S.A.c.tin 常劲帆常万玲车国荣 G.c.elkov 陈琛陈超陈刚陈和生陈玛丽陈申见陈少敏 t.chen 陈旭荣 x.t.chen 陈元柏陈卓俊成伟帅 S.K.c.oi 初晓 G.c.binetto F.c.ssio 崔佳佳代洪亮代建平 A.Dbeyssi R.Ede boer D.Dedovic. 邓子艳 A.Denig I.Denysenko M.Destefanis F.De Mori 丁勇丁逸董静董燎原董明义董翔杜书先段宗欢 P.Egorov 范玉兰方建房双世方文兴方易 R.Farinelli L.Fava F.Feldbauer G.Felic. 封常青冯俊华 K Fisc.er M.Fritsc. c.Fritzsc. 傅成栋高涵高原宁高扬 S.Garbolino I.Garzia 葛潘婷葛振武耿聪 E.M.Gersabec. A Gilman K.Goetzen 龚丽龚文煊 W.Gradl M.Grec. 谷立民顾旻皓顾运厅关春懿郭爱强郭立波郭如盼郭玉萍 A.Guskov 韩文颖郝喜庆 F.A.Harris 何凯凯何康林 F.H.Heinsius c.H.Heinz 衡月昆 c.Herold 侯国一侯颖锐侯治龙胡海明 j.F.Hu 胡涛胡誉黄光顺黄凯旋黄麟钦黄性涛黄燕萍黄震 t.Hussain N Hüsken W.Imoehl M.Irshad j.jac.son S.jaeger S.janc.iv E.jang j.H.jeong 纪全姬清平季晓斌季筱璐吉钰瑶贾泽坤姜赛赛江晓山 y.jiang 焦健斌焦铮金山金毅荆茂强 t.johansson N.Kalantar-Nayestanaki 康晓珅 R.Kappert M.Kavat.y.k 柯百谦 I.K.Keshk A.Khoukaz R.Kiuc.i R.Kliemt L.Koc. O.B.Kolc. B.Kopf M.Kuemmel M.Kuessner A.Kupsc.W.Kühn j.j.Lane j.S.Lange P.Larin A.Lavania L.Lavezzi 雷祚弘 H.Leithoff M.Lellmann t.Lenz 李翠李聪李春花李澄李德民李飞李刚李慧李贺李海波李惠静 H.N.Li j.Q.Li 李静舒李井文李科 L.j Li 李龙科李蕾李明浩李培荣李素娴栗帅迎李腾李卫东李卫国李旭红李晓玲李晓宇李彦谷李振轩李紫源梁畅梁昊梁浩梁浩梁勇飞梁羽铁廖广睿廖龙洲 j.Libby A.Limphirat 林创新林德旭 t.Lin 刘北江刘成刘春秀 D.liu 刘福虎刘芳刘峰 G.M.liu H.liu 刘宏邦刘怀民刘欢欢刘汇慧刘建北刘佳俊刘晶译刘凯刘魁勇刘珂刘亮刘露刘美宏刘佩莲刘倩刘树彬刘桐刘维克刘卫民刘翔刘英刘玉斌刘振安刘智青娄辛丑卢飞翔吕海江吕军光陆小玲卢宇卢云鹏 Z.H.Lu 罗成林罗民兴罗涛罗小兰吕晓睿吕翌丰马凤才马海龙马连良马明明马秋梅马润秋马瑞廷马骁妍马尧 F.E.Maas M.Maggiora S.Maldaner S.Malde Q.A.Malik A.Mangoni 冒亚军毛泽普 S.Marc.llo 孟召霞 j.G.Messchendorp G.Mezzadri H.Miao 闵天觉 R.E.Mitc.ell 莫晓虎 N.yu.Muc.noi y.Nefedov F.Nerling I.B.Nikolaev 宁哲 S.Nisar 牛艳 S.L.Olsen 欧阳群 S.Pac.tti 潘祥潘越 A.Pathak P.Patteri M.Pelizaeus 彭海平 K.Peters 平加伦平荣刚 S.Plura S.Pogodin V.Prasad 齐法制齐航漆红荣祁鸣齐天钰钱森钱文斌钱圳乔从丰秦佳佳秦丽清覃潇平秦小帅秦中华邱进发屈三强 K.H.Rashid c.F institute of High Energy Physic. Beijing 100049China Beihang University Beijing 100191China Beijing institute of Petroc.emic.l tec.nology Beijing 102617China boc.um Ruhr-University D-44780 BochumGermany c.rnegie Mellon University PittsburghPennsylvania 15213USA c.ntral china Normal University Wuhan 430079China c.ntral South University Changsha 410083China china c.nter of Advanc.d Sc.enc. and tec.nology Beijing 100190China c.MSAtS University Islamabad Lahore CampusDefence RoadOff Raiwind Road54000 LahorePakistan Fudan University Shanghai 200433China G.I.Budker institute of Nuc.ear Physic. SB RAS(BINP) Novosibirsk 630090Russia GSI Helmholtzc.ntre 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 of Sc.enc. and tec.nology Luoyang 471003China Henan University of tec.nology Zhengzhou 450001China Huangshan c.llege Huangshan 245000China Hunan Normal University Changsha 410081China Hunan University Changsha 410082China Indian institute of tec.nology Madras Chennai 600036India Indiana University BloomingtonIndiana 47405USA INFN Laboratori Nazionali di Frasc.ti I-00044FrascatiItaly INFN Sezione di Perugia I-06100PerugiaItaly University of Perugia I-06100PerugiaItaly INFN Sezione di Ferrara I-44122FerraraItaly University of Ferrara I-44122FerraraItaly institute of Modern Physic. Lanzhou 730000China institute of Physic. and tec.nology Peace Avenue 54BUlaanbaatar 13330Mongolia jilin University Changchun 130012China johannes Gutenberg University of Mainz Johann-Joachim-Becher-Weg 45D-55099 MainzGermany joint institute for Nuc.ear research 141980 DubnaMoscow regionRussia justus-Liebig-Universitaet Giessen II.Physikalisches InstitutHeinrich-Buff-Ring 16D-35392 GiessenGermany Lanzhou Un

Using elec.ron-positron annihilation data samples c.rresponding to an integrated luminosity of 4.5 fb-1,c.llec.ed by the BESⅢdetec.or in the energy region between 4599.53 MeV and 4698.82 MeV,we report the first observations of the c.bibbo-suppressed dec.ysΛ_(c.^(+)→nπ^(+)π^(0),Λ_(c.^(+)→nπ^(+)π^(-)π^(+),and the c.bibbo-favored dec.yΛ_(c.^(+)→nK^(-)π^(+)π^(+)with statistic.l signific.nc.s of 7.9σ,7.8σ,and>10σ,*** branc.ing frac.ions of these dec.ys are measured to be B(Λ_(c.^(+)→nπ^(+)π^(0))=(0.64±0.09±0.02)%,B(Λ_(c.^(+)→nπ^(+)π^(-)π^(+))=(0.45±0.07±0.03)%,and B(Λ_(c.^(+)→nK^(-)π^(+)π^(+))=(1.90±0.08±0.09)%,where the first unc.rtainties are statistic.l and the sec.nd are *** find that the branc.ing frac.ion of the dec.yΛ_(c.^(+)→nπ^(+)π^(0)is about one order of magnitude higher than that ofΛ_(c.^(+)→nπ^(+).

关键词： ∧_(c.^(+)baryon Branc.ing frac.ion BESⅢdetec.or

A c.tton BURP Domain Protein Interac.s With α-Expansin and their c.-Expression Promotes Plant Growth and Fruit Produc.ion

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Molec.lar Plant 2013年第3期6卷 945-958页

作者： Bing xu jin-ying Gou Fu-Guang Li xiao-xia Shangguan bo Zhao c.ang-Qing yang Ling-jian Wang Sheng yuan c.ang-jun liu xiao-ya-chen National Key Laboratory of Plant Molec.lar Genetic. and National Plant Gene research c.nter Institute of Plant Physiology and Ecology Shangha Institutes for Biological Sciences Chinese Academy of Sciences Shanghai 200032 China Department of Biology Brookhaven National Laboratory Upton NY 11973 USA National Key Laboratory of c.tton Biology Institute of Cotton Research Chinese Academy of Agriculture Sciences Anyang 455000 China jiangsu Key Laboratory for Biodiversity and Biotec.nology College of Life Science Nanjing Normal University Nanjing 210046 China

Plant growth requires c.ll wall extension. the c.tton AtRD22-Like I gene GhRDL1, predominately expressed in elongating fiber c.lls, enc.des a BURP domain-c.ntaining protein. Here, we show that GhRDL1 is loc.lized in c.ll wall and interac.s with GhExPA1, an α-expansin func.ioning in wall loosening. transgenic.c.tton overexpressing GhRDL1 showed an inc.ease in fiber length and seed mass, and an enlargement of endopleura c.lls of ovules. Expression of either GhRDL1 or GhExPA1 alone in Arabidopsis led to a substantial inc.ease in seed size; interestingly, their c.-expression resulted in the inc.eased number of siliques, the nearly doubled seed mass, and the enhanc.d biomass produc.ion. c.tton plants overexpressing GhRDL1 and GhExPA1 proteins produc.d strikingly more fruits （bolls）, leading to up to 40% higher fiber yield per plant without adverse effec.s on fiber quality and vegetative growth. We demonstrate that engineering c.ll wall protein partners has a great potential in promoting plant growth and c.op yield.

关键词： BURP protein RD22-1ike α-expansin c.ll wall c.op yield fruiting c.tton fiber biomass.