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Structural plasticity-based hydrogel optical Willshaw model for one-shot on-the-fly edge learning

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Infomat 2023年第4期5卷 48-59页

作者： Dingchen wang Dingyao Liu Yinan Lin Anran yuan Woyu Zhang Yaping zhao Shaocong wang Xi Chen Hegan Chen Yi Zhang Yang jiang Shuhui Shi Kam Chi Loong jia Chen Songrui wei Qing wang Hongyu yu renjing Xu Dashan Shang Han Zhang Shiming Zhang Zhongrui wang Department of Electrical and Electronic Engineering The University of Hong KongHong Kongthe People's Republic of China ACCESS-AI Chip Center for Emerging Smart Systems InnoHK CentersHong Kong Science ParkHong Kongthe People's Republic of China School of Computer Science and Engineering Faculty of Innovation EngineeringMacao University of Science and TechnologyMacaothe People's Republic of China Key Laboratory of microelectronics Devices and Integrated Technology Institute of MicroelectronicsChinese Academy of SciencesBeijingthe People's Republic of China Collaborative Innovation Center for Optoelectronic Science Technology International Collaborative Laboratory of 2D Materials for OptoelectronicsScience and Technology of Ministry of EducationInstitute of Microscale OptoelectronicsShenzhen UniversityShenzhenthe People's Republic of China School of microelectronics Southern University of Science and TechnologyShenzhenthe People's Republic of China microelectronics Thrust Function Hub of the Hong Kong University of Science and Technology(Guangzhou)Guagndongthe People's Republic of China

Autonomous one-shot on-the-fly learning copes with the high privacy,small dataset,and in-stream data at the *** such learning on digital hardware suffers from the well-known von-neumann and scaling *** optical neural networks featuring large parallelism,low latency,and high efficiency offer a promising ***,ex-situ training of conventional optical networks,where optical path configuration and deep learning model optimization are separated,incurs hardware,energy and time overheads,and defeats the advantages in edge ***,we introduced a bio-inspired material-algorithm co-design to construct a hydrogel-based optical Willshaw model(HOWm),manifesting Hebbian-rule-based structural plasticity for simultaneous optical path configuration and deep learning model optimization thanks to the underlying opto-chemical *** first employed the HOWm as an all optical in-sensor AI processor for one-shot pattern classification,association and *** then leveraged HOWm to function as a ternary content addressable memory(TCAm)of an optical memory augmented neural network(mANN)for one-shot learning the Omniglot *** HOWm empowered one-shot on-the-fly edge learning leads to 1000boost of energy efficiency and 10boost of speed,which paves the way for the next-generation autonomous,efficient,and affordable smart edge systems.

关键词： associative memory hydrogel one-shot learning optical neural network structural plasticity Willshaw model

Evidence for the decays of ∧_c^+→∑^+η and ∑^+η’

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Chinese Physics C 2019年第8期43卷 15-23页

作者： m.Ablikim f.f.An Q.An Y.Bai Y.Ban H.Cai X.Cai G.f.Cao j.f.Chang G.Chen H.S.Chen j.C.Chen m.L.Chen P.L.Chen S.j.Chen Y.B.Chen W.Cheng H.LDai j.P.Dai Z.Y.Deng Y.Ding C.Dong j.Dong L.Y.Dong m.Y.Dong Z.L.Dou S.X.Du P.f.Duan j.Z.fan j.fang S.S.fang Y.fang C.Q.feng C.D.fu Y.fu Q.Gao X.L.Gao Y.Gao Y.G.Gao Z.Gao L.Gong W.X.Gong L.m.Gu m.H.Gu Y.T.Gu A.Q.Guo L.B.Guo r.P.Guo Y.P.Guo S.Han X.Q.Hao K.L.He Y.K.Heng Z.L.Hou H.m.Hu j.f.Hu T.Hu Y.Hu G.S.Huang j.S.Huang X.T.Huang X.Z.Huang Z.L.Huang Q.ji Q.P.ji X.B.ji X.L.ji X.S.jiang X.Y.jiang j.B.jiao Z.jiao D.P.jin S.jin Y.jin X.S.Kang B.C.Ke C.Li Cheng Li D.m.Li f.Li f.Y.Li G.Li H.B.Li H.j.Li j.C.Li j.W.Li Ke Li Lei Li P.L.Li P.r.Li Q.Y.Li T.Li W.D.Li W.G.Li X.L.Li X.N. Li X.Q.Li Z.B.Li H.Liang Y.f.Liang Y.T.Liang G.r.Liao L.Z.Liao C.X.Lin D.X.Lin B.Liu B.j.Liu C.X.Liu D.Liu D.Y.Liu f.H.Liu fang Liu feng Liu H.B.Liu H.L.Liu H.m.Liu Huanhuan Liu Huihui Liu j.B.Liu j.Y.Liu K.Liu K.Y.Liu Ke Liu Q.Liu S.B.Liu X.Liu Y.B.Liu Z.A.Liu Zhiqing Liu Y.f.Long X.C.Lou H.j.Lu j.D.Lu j.G.Lu Y.Lu Y.P.Lu C.L.Luo m.X.Luo T.Luo X.L.Luo X.r.Lyu f.C.ma H.L.ma L.L.ma m.m.ma Q.m.ma X.N.ma X.X.ma X.Y.ma Y.m.ma Y.j.mao Z.P.mao Z.X.meng j.min T.j.min X.H.mo Y.j.mo Z.Ning S.L.Niu S.L.Olsen Q.Ouyang Y.Pan H.P.Peng j.L.Ping r.G.Ping H.r.Qi m.Qi T.Y.Qi S.Qian C.f.Qiao N.Qin Z.H.Qin j.f.Qiu S.Q.Qu G.rong W.Shan X.Y.Shan m.Shao C.P. Shen P.X.Shen X.Y.Shen H.Y.Sheng X.Shi j.j.Song X.Y.Song G.X.Sun j.f.Sun L.Sun S.S.Sun X.H.Sun Y.j.Sun Y.K.Sun Y.Z.Sun Z.j.Sun Z.T.Sun Y.T.Tan C.j.Tang G.Y.Tang X.Tang B.wang B.L.wang C.W.wang D.Y.wang Dan wang K.wang L.L.wang L.S.wang m.wang meng wang P.wang P.L.wang W.P.wang X.f.wang Y.wang Y.f.wang Z.wang Z.G.wang Z.Y.wang Zongyuan wang D.H.wei S.P.Wen L.H.Wu L.j.Wu Z.Wu L.Xia Y.Xia D.Xiao Y.j.Xiao Z.j.Xiao Y.G.Xie Y.H.Xie X.A.Xiong Q.L.Xiu G.f.Xu j.j.Xu L.Xu Q.j.Xu Q.N.Xu X.P.Xu f.Yan L.Yan w.B.Yan W.C.Yan Y.H.Yan H.j.Yang H.X.Yang L.Yang S.L.Yang Y.H.Yang Y.X.Yang Yifan Yang Z.Q.Yang m.Ye m.H.Ye j.H.Yin Z.Y.You B.X.yu C.X.yu j.S.yu C.Z.yuan Y.yuan Y.Zeng B.X.Zhang B.Y.Zhang Institute of High Energy Physics G.I.Budker Institute of Nuclear Physics SB rAS(BINP) the Novosibirsk State University Helmholtz Institute mainz Bochum ruhr-University University of Turin INfN State Key Laboratory of Particle Detection and Electronics University of Science and Technology of China Southeast University joint Institute for Nuclear research INfN Laboratori Nazionali di frascati Peking University Institute of Physics and Technology Indiana University Bloomington Carnegie mellon University johannes Gutenberg University of mainz INfN Sezione di ferrara Wuhan University Ankara University University of Chinese Academy of Sciences Istanbul Bilgi University the moscow Institute of Physics and Technology the functional Electronics Laboratory Tomsk State University University of South China Nanjing University Shanghai jiao Tong University Key Laboratory for Particle Physics Astrophysics and CosmologyMinistry of EducationShanghai Key Laboratory for Particle Physics and CosmologyInstitute of Nuclear and Particle Physics Liaoning University Nankai University Zhengzhou University Tsinghua University University of ferrara University of Eastern Piedmont Central China Normal University University of minnesota Minneapolis GSI Helmholtzcentre for Heavy Ion research GmbH Guangxi University Nanjing Normal University KVI-CArT University of Groningen Henan Normal University University of Hawaii Honolulu Shandong University University of the Punjab University of muenster Uppsala University Huangshan College University of jinan justus-Liebig-Universitaet Giessen II.Physikalisches Institut Istanbul Arel University Soochow University Beijing Institute of Petrochemical Technology China Center of Advanced Science and Technology Sun Yat-Sen University Sichuan University Guangxi Normal University Indian Institute of Technology madras Shanxi University Henan University of Science and Technology Lanzhou University Zhejiang University fudan University Key Laboratory of Nuclear Physics and Ion-beam Application(mOE)and Institute of

We study the hadronic decays of ∧c+ to the final states ∑+η and ∑+η’,using an e+e-annihilation data sample of 567 pb-1 taken at a center-of-mass energy of 4.6 GeV with the BESIII detector at the BEPCⅡ *** find evidence for the decays ∧c+→∑+η and ∑+η’ with statistical significance of 2.5σ and 3.2σ,*** to the reference decays ∧c+→∑+π0 and ∑+ω,we obtain the ratios of the branching fractions■and ■to be 0.35±0.16±0.02 and 0.86±0.34±0.04,*** upper limits at the 90% confidence level are set to be■and■.Using BESIII measurements of the branching fractions of the reference decays,we determine B（∧c+→∑+η）=（0.41±0.19±0.05）%（re,the first uncertainties are statistical and the second *** obtained branching fraction of ∧c+→∑+η is consistent with the previous measurement,and the branching fraction of ∧c+→∑+η’ is measured for the first time.

关键词： charmed baryon ∧c^+ decays branching fractions

measurement of the integrated Luminosities of cross-section scan data samples around theψ(3770)mass region

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Chinese Physics C 2018年第6期42卷 1-8页

作者： m. Ablikim m. N. Achasov S. Ahmed m. Albrecht m. Alekseev A. Amoroso f. f. An Q. An Y. Bai O. Bakina r. Baldini ferroli Y. Ban K. Begzsuren D. W. Bennett j. V. Bennett N. Berger m. Bertani D. Bettoni f. Bianchi E. Boger I. Boyko r. A. Briere H. Cai X. Cai O. Cakir A. Calcaterra G. f. Cao S. A. Cetin j. Chai j. f. Chang W. L. Chang G. Chelkov G. Chen H. S. Chen j. C. Chen m. L. Chen P. L. Chen S. j. Chen X. r. Chen Y. B. Chen X. K. Chu G. Cibinetto f. Cossio H. a. Dai, j. f. Dai A. Dbeyssi D. Dedovich Z. Y. Deng A. Denig I. Denysenko m. Destefanis f. De mori Y. Ding C. Dong j. Dong L. Y. Dong m. Y. Dong Z. L. Dou S. X. Du P. f. nuan j. fang S. S. fang Y. fang r. farinelli L. fava S. fegan f. feldbauer G. felici C. Q. feng E. fioravanti m. fritsch C. D. fu Q. Gao X. L. Gao Y. Gao, Y. G. Gao Z. Gao B. Garillon I. Garzia A. Gilman K. Goetzen L. Gong W. X. Gong W. Gradl m. Greco L. m. Gu m. H. Gu Y. T. Gu A. q. Guo L. B. Guo r. P. Guo Y. f. Guo A. Guskov Z. Haddadi S. Han X. Q. Hao f. A. Harris Z. L. He X. O. He f. H. Heinsius T. Held Y. K. Heng T. Holtmann Z. L. Hou H. m. Hu j. f. gu T. Hu Y. Hu G. S. Huang j. S. Huang X. T. Huang X. Z. Huang Z. L. guang T. Hussain W. Ikegami Andersson m Irshad Q. ji Q. P. ji X. B. ji X. L. ji X. S. jiang X. Y. jiang j. B. jiao Z. jiao D. P. jin S. jin Y. jin T. johansson A. julin N. Kalantar-Nayestanaki X. S. Kang m. Kavatsyuk B. C. Ke T. Khan A. Khoukaz P. Kiese r. Kliemt L. Koch O. B. Kolcu B. Kopf m. Kornicer m. Kuemmel m. Kuessner A. Kupsc m. Kurth W. Kiihn j. S. Lange m. Lara P. Larin L. Lavezzi S. Leiber H. Leithofi C. Li Cheng Li D. m. Li f. Li f. Y. Li G. Li H. B. Li H. j. Li j. C. Li j. W. Li K. j. Li Kang Li Ke Li Lei Li P. L. Li P. r. Li Q. Y. Li T. Li W. D. Li W. G. Li X. L. Li X. N. Li X. Q. Li Z. B. Li H. Liang Y. f. Liang Y. T. Liang G. r. Liao L. Z. Liao j. Libby C. X. Lin D. X. Lin S. Liu B. j. Liu C. X. Liu D. Liu D. Y. Liu f. H. Liu fang Liu feng Liu H. B. Liu H. L Liu H. m. Liu Huanhuan Liu Huihui Liu j. B. Liu j. Y. Liu K. Liu K. Y. Liu Ke Liu L. D. Liu Q. Liu S B. Y. Zhang144 C. C. Zhang1D. H. Zhang1 H. H. Zhang45H. Y. Zhang144 J. Zhang151 J. L. Zhang65 J. Q. Zhang4 J. W. Zhang1 J. Y. Zhang1 J. Z. Zhang151 K. Zhang151 L. Zhang46 S. F. Zhang35 T. J. Zhang3975 X. Y. Zhang38 Y. Zhang4457 Y. H. Zhang144 Y. T. Zhang4557 Yang Zhang1 Yao Zhang1 Yu Zhang51 Z. H. Zhang6 Z. P. Zhan57Z. Y. Zhang64 G. Zhao1J. W. Zhao144 J. Y. Zhao151 J. Z. Zhao144 Lei Zhao4457 Ling Zhao1 M. G. Zhao35 Q. Zhao1 S. J. Zhao67 T. C. Zhao1 Y. B. Zhao144 Z. G. Zhao4457 A. Zhemehugov2869 B. Zheng58J. P. Zheng144 W. J. Zheng38 Y. H. Zheng51B. Zhong33 L. Zhou144 Q. Zhou151 X. Zhou64 X. K. Zhou4457 X. R. Zhou4457 X. Y. Zhou1 A. N. Zhu151 J. Zhu35 J. Zhu45 K. Zhu1 K. J. Zhu1 S. Zhu1 S. H. Zhu56 X. L. Zhu46 Y. C. Zhu4457 Y. S. Zhu151 Z. A. Zhu151 J. Zhuang144B. S. Zou1 J. H. Zou1 （ 1 Institute of High Energy Physics Beijing 100049 China Beihang University Beijing 100191 China Beijing Institute of Petrochemical Technology Beijing 102617 China Bochum ruhr-University D-44780 Bochum Germany Carnegie mellon University Pittsburgh Pennsylvania 15213 USA Central China Normal University Wuhan 430079 China China Center of Advanced Science and Technology Beijing 100190 China COmSATS Institute of Information Technology Lahore Defence Road Off Raiwind Road 54000 Lahore Pakistan G.I. Budker Institute of Nuclear Physics SB rAS （BINP） Novosibirsk 630090 Russia GSI Helmholtzcentre for Heavy Ion research GmbH D-64291 Darmstadt Germany Guangxi Normal University Guilin 541004 China Guangxi University Nanning 530004 China Hangzhou Normal University Hangzhou 310036 China Helmholtz Institute mainz JohannwJoachim-Becher-Weg 45 D-55099 Mainz Germany Henan Normal University Xinxiang 453007 China Henan University of Science and Technology Luoyang 471003 China Huangshan College Huangshan 245000 China Hunan Normal University Changsha 410081 China Hunan University Changsha 410082 China Indian Institute of Tec

To investigate the nature of the Ψ（3770） resonance and to measure the cross section for e^＋e^-→DD, a cross-section scan data sample, distributed among 41 center-of-mass energy points from 3.73 to 3.89 GeV, was taken with the BESIII detector operated at the BEPCII collider in the year 2010. By analyzing the large angle Bhabha scattering events, we measure the integrated luminosity of the data sample at each center-of-mass energy point. The total integrated luminosity of the data sample is 76.16±0.04±0.61 pb^-1, where the first uncertainty is statistical and the second systematic.

关键词： Bhabha scattering events integrated luminosity BESⅢ

future Physics Programme of BESⅢ

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Chinese Physics C 2020年第4期44卷 I0001-I0004,1-102页

作者： m.Ablikim m.N.Achasov P.Adlarson S.Ahmed m.Albrecht m.Alekseev A.Amoroso f.f.An Q.An Y.Bai O.Bakina r.Baldini ferroli Y.Ban K.Begzsuren j.V.Bennett N.Berger m.Bertani D.Bettoni f.Bianchi j Biernat j.Bloms I.Boyko r.A.Briere L.Calibbi H.Cai X.Cai A.Calcaterra G.f.Cao N.Cao S.A.Cetin j.Chai j.f.Chang W.L.Chang j.Charles G.Chelkov Chen G.Chen H.S.Chen j.C.Chen m.L.Chen S.j.Chen Y.B.Chen H.Y.Cheng W.Cheng G.Cibinetto f.Cossio X.f.Cui H.L.Dai j.P.Dai X.C.Dai A.Dbeyssi D.Dedovich Z.Y.Deng A.Denig Denysenko m.Destefanis S.Descotes-Genon f.De mori Y.Ding C.Dong j.Dong L.Y.Dong m.Y.Dong Z.L.Dou S.X.Du S.I.Eidelman j.Z.fan j.fang S.S.fang Y.fang r.farinelli L.fava f.feldbauer G.felici C.Q.feng m.fritsch C.D.fu Y.fu Q.Gao X.L.Gao Y.Gao Y.Gao Y.G.Gao Z.Gao B.Garillon I.Garzia 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 A.Q.Guo f.K.Guo L.B.Guo r.P.Guo Y.P.Guo A.Guskov S.Han X.Q.Hao f.A.Harris K.L.He f.H.Heinsius T.Held Y.K.Heng Y.r.Hou Z.L.Hou H.m.Hu j.f.Hu T.Hu Y.Hu G.S.Huang j.S.Huang X.T.Huang X.Z.Huang Z.L.Huang N.Huesken T.Hussain W.Ikegami Andersson W.Imoehl m.Irshad Q.ji Q.P.ji X.B.ji X.L.ji H.L.jiang X.S.jiang X.Y.jiang j.B.jiao Z.jiao D.P.jin S.jin Y.jin T.johansson N.Kalantar-Nayestanaki X.S.Kang r.Kappert m.Kavatsyuk B.C.Ke I.K.Keshk T.Khan A.Khoukaz P.Kiese r.Kiuchi r.Kliemt L.Koch O.B.Kolcu B.Kopf m.Kuemmel m.Kuessner A.Kupsc m.Kurth m.G.Kurth W.Kuhn j.S.Lange P.Larin L.Lavezzi H.Leithoff T.Lenz C.Li Cheng Li D.m.Li f.Li f.Y.Li G.Li H.B.Li H.j.Li j.C.Li j.W.Li Ke Li L.K.Li Lei Li P.L.Li P.r.Li Q.Y.Li W.D.Li W.G.Li X.H.Li X.L.Li X.N.Li X.Q.Li Z.B.Li H.Liang H.Liang Y.f.Liang Y.T.Liang G.r.Liao L.Z.Liao j.Libby C.X.Lin D.X.Lin Y.j.Lin B.Liu B.j.Liu C.X.Liu D.Liu D.Y.Liu f.H.Liu fang Liu feng Liu H.B.Liu H.m.Liu Huanhuan Liu Huihui Liu j.B.Liu j.Y.Liu K.Y.Liu Ke Liu Q.Liu S.B.Liu T.Liu X.Liu X.Y.Liu Y.B.Liu Z.A.Liu Zhiqing Liu Y.f.Long X.C.Lou H.j.Lu j.D.Lu j.G.Lu Y.Lu Y.P.Lu C.L.Luo m.X.Luo P.W.Luo T.Luo X.L.Luo S.Lusso X.r.Lyu f.C.ma H.L.ma L.L.ma m.m.ma Q.m.ma X.N.ma X.X. Institute of High Energy Physics Beijing 100049China Beihang University Beijing 100191China Beijing Institute of Petrochemical Technology Beijing 102617China Bochum ruhr-University D-44780 BochumGermany Carnegie mellon University PittsburghPennsylvania 15213USA Central China Normal University Wuhan 430079China China Center of Advanced Science and Technology Beijing 100190China COmSATS University Islamabad Lahore CampusDefence RoadOff Raiwind Road54000 LahorePakistan fudan University Shanghai 200443China G.I.Budker Institute of Nuclear Physics SB rAS(BINP) Novosibirsk 630090Russia GSI Helmholtzcentre for Heavy Ion research GmbH D-64291 DarmstadtGermany Guangxi Normal University Guilin 541004China Guangxi University Nanning 530004China Hangzhou Normal University Hangzhou 310036China Helmholtz Institute mainz Johann-Joachim-Becher-Weg 45D-55099 MainzGermany Henan Normal University Xinxiang 453007China Henan University of Science and Technology Luoyang 471003China Huangshan College Huangshan 245000China Hunan Normal University Changsha 410081China Hunan University Changsha 410082China Indian Institute of Technology madras Chennai 600036India Indiana University BloomingtonIndiana 47405USA INfN Laboratori Nazionali di frascati I-00044FrascatiItaly INfN Sezione di ferrara I-44122FerraraItaly Institute of Physics and Technology Peace Ave.54BUlaanbaatar 13330Mongolia johannes Gutenberg University of mainz Johann-Joachim-Becher-Weg 45D-55099 MainzGermany joint Institute for Nuclear research 141980 DubnaMoscow regionRussia justus-Liebig-Universitaet Giessen II.Physikalisches InstitutHeinrich-Buff-Ring 16D-35392 GiessenGermany KVI-CArT University of GroningenNL-9747 AA GroningenThe Netherlands Lanzhou University Lanzhou 730000China Liaoning University Shenyang 110036China Nanjing Normal University Nanjing 210023China Nanjing University Nanjing 210093China Nankai University Tianjin 300071China Peking University Beijing 100871China Shandong University Jinan 250100China Shanghai

There has recently been a dramatic renewal of interest in hadron spectroscopy and charm physics. This renaissance has been driven in part by the discovery of a plethora of charmonium-like XYZ states at BESⅢ and B factories, and the observation of an intriguing proton-antiproton threshold enhancement and the possibly related X(1835) meson state at BESⅢ, as well as the threshold measurements of charm mesons and charm baryons. We present a detailed survey of the important topics in tau-charm physics and hadron physics that can be further explored at BESⅢ during the remaining operation period of BEPCⅡ. This survey will help in the optimization of the data-taking plan over the coming years, and provides physics motivation for the possible upgrade of BEPCⅡ to higher luminosity.

关键词： meson hadron optimization

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

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Chinese Physics C 2019年第3期43卷 5-16页

作者： m.Ablikim m.N.Achasov S.Ahmed m.Albrecht m.Alekseev A.Amoroso f.f.An Q.An Y.Bai O.Bakina r.Baldini ferroli Y.Ban K.Begzsuren D.W.Bennett j.V.Bennett N.Berger m.Bertani D.Bettoni f.Bianchi I.Boyko r.A.Briere H.Cai X.Cai A.Calcaterra G.f.Cao S.A.Cetin j.Chai j.f.Chang W.L.Chang G.Chelkov G.Chen H.S.Chen j.C.Chen m.L.Chen S.j.Chen Y.B.Chen W.S.Cheng G.Cibinetto f.Cossio H.L.Dai j.P.Dai A.Dbeyssi D.Dedovich Z.Y.Deng A.Denig I.Denysenko m.Destefanis f.De mori Y.Ding C.Dong j.Dong L.Y.Dong m.Y.Dong Z.L.Dou S.X.Du j.Z.fan j.fang S.S.fang Y.fang r.farinelli L.fava f.feldbauer G.felici C.Q.feng m.fritsch C.D.fu Y.fu Q.Gao X.L.Gao Y.N.Gao Y.G.Gao Z.Gao B.Garillon I.Garzia A.Gilman K.Goetzen L.Gong W.X.Gong W.Gradl m.Greco L.m.Gu m.H.Gu S.Gu Y.T.Gu A.Q.Guo L.B.Guo r.P.Guo Y.P.Guo A.Guskov Z.Haddadi S.Han X.Q.Hao f.A.Harris K.L.He f.H.Heinsius T.Held Y.K.Heng Z.L.Hou H.m.Hu j.f.Hu T.Hu Y.Hu G.S.Huang j.S.Huang X.T.Huang X.Z.Huang Z.L.Huang N.Huesken T.Hussain W.Ikegami Andersson W.Imoehl m.Irshad Q.ji Q.P.ji X.B.ji X.L.ji H.L.jiang X.S.jiang X.Y.jiang j.B.jiao Z.jiao D.P.jin S.jin Y.jin T.johansson N.Kalantar-Nayestanaki X.S.Kang m.Kavatsyuk B.C.Ke I.K.Keshk T.Khan A.Khoukaz P.Kiese r.Kiuchi r.Kliemt L.Koch O.B.Kolcu B.Kopf m.Kuemmel m.Kuessner A.Kupsc m.Kurth W.Kühn j.S.Lange P.Larin L.Lavezzi H.Leithoff C.Li Cheng Li D.m.Li f.Li f.Y.Li G.Li H.B.Li H.j.Li j.C.Li j.W.Li Ke Li L.K.Li Lei Li P.L.Li P.r.Li Q.Y.Li W.D.Li W.G.Li X.L.Li X.N.Li X.Q.Li Z.B.Li H.Liang Y.f.Liang Y.T.Liang G.r.Liao L.Z.Liao j.Libby C.X.Lin D.X.Lin B.Liu B.j.Liu C.X.Liu D.Liu D.Y.Liu f.H.Liu fang Liu feng Liu H.B.Liu H.L Liu H.m.Liu Huanhuan Liu Huihui Liu j.B.Liu j.Y.Liu K.Y.Liu Kai Liu Ke Liu Q.Liu S.B.Liu X.Liu Y.B.Liu Z.A.Liu Zhiqing Liu Y.f.Long X.C.Lou H.j.Lu j.D.Lu j.G.Lu Y.Lu Y.P.Lu C.L.Luo m.X.Luo P.W.Luo T.Luo X.L.Luo S.Lusso X.r.Lyu f.C.ma H.L.ma L.L.ma m.m.ma Q.m.ma X.N.ma X.X.ma X.Y.ma Y.m.ma f.E.maas m.maggiora S.maldaner Q.A.malik A.mangoni Y.j.mao Z.P.mao S.marcello Z.X.meng j.G.messchendorp G.mezzadri j.min T.j.min r.E.mitchell X.H.mo Y Institute of High Energy Physics Beijing 100049China Beihang University Beijing 100191China Beijing Institute of Petrochemical Technology Beijing 102617China Bochum ruhr-University D-44780 BochumGermany Carnegie mellon University PittsburghPennsylvania 15213USA Central China Normal University Wuhan 430079China China Center of Advanced Science and Technology Beijing 100190China COmSATS University Islamabad Lahore CampusDefence RoadOff Raiwind Road54000 LahorePakistan fudan University Shanghai 200443China G.I.Budker Institute of Nuclear Physics SB rAS(BINP) Novosibirsk 630090Russia GSI Helmholtzcentre for Heavy Ion research GmbH D-64291 DarmstadtGermany Guangxi Normal University Guilin 541004China Guangxi University Nanning 530004China Hangzhou Normal University Hangzhou 310036China Helmholtz Institute mainz Johann-Joachim-Becher-Weg 45D-55099 MainzGermany Henan Normal University Xinxiang 453007China Henan University of Science and Technology Luoyang 471003China Huangshan College Huangshan 245000China Hunan Normal University Changsha 410081China Hunan University Changsha 410082China Indian Institute of Technology madras Chennai 600036India Indiana University BloomingtonIndiana 47405USA INfN Laboratori Nazionali di frascati I-00044FrascatiItaly INfN Sezione di ferrara I-44122FerraraItaly Institute of Physics and Technology Peace Ave.54BUlaanbaatar 13330Mongolia johannes Gutenberg University of mainz Johann-Joachim-Becher-Weg 45D-55099 MainzGermany joint Institute for Nuclear research 141980 DubnaMoscow regionRussia justus-Liebig-Universitaet Giessen II.Physikalisches InstitutHeinrich-Buff-Ring 16D-35392 GiessenGermany KVI-CArT University of GroningenNL-9747 AA GroningenThe Netherlands Lanzhou University Lanzhou 730000China Liaoning University Shenyang 110036China Nanjing Normal University Nanjing 210023China Nanjing University Nanjing 210093China Nankai University Tianjin 300071China Peking University Beijing 100871China Shandong University Jinan 250100China Shanghai

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

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

Sub-percent precision measurement of neutrino oscillation parameters with jUNO

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Chinese Physics C 2022年第12期46卷 28-49页

作者： Angel Abusleme Thomas Adam Shakeel Ahmad rizwan Ahmed Sebastiano Aiello muhammad Akram Abid Aleem fengpeng An Qi An Giuseppe Andronico Nikolay Anfimov Vito Antonelli Tatiana Antoshkina Burin Asavapibhop joão Pedro Athayde marcondes de André Didier Auguste weidong Bai Nikita Balashov Wander Baldini Andrea Barresi Davide Basilico Eric Baussan marco Bellato Antonio Bergnoli Thilo Birkenfeld Sylvie Blin David Blum Simon Blyth Anastasia Bolshakova mathieu Bongrand Clément Bordereau Dominique Breton Augusto Brigatti riccardo Brugnera riccardo Bruno Antonio Budano jose Busto Ilya Butorov Anatael Cabrera Barbara Caccianiga Hao Cai Xiao Cai Yanke Cai Zhiyan Cai riccardo Callegari Antonio Cammi Agustin Campeny Chuanya Cao Guofu Cao jun Cao rossella Caruso Cédric Cerna Chi Chan jinfan Chang yun Chang Guoming Chen Pingping Chen Po-An Chen Shaomin Chen Xurong Chen Yixue Chen yu Chen Zhiyuan Chen Zikang Chen jie Cheng Yaping Cheng yu Chin Cheng Alexey Chetverikov Davide Chiesa Pietro Chimenti Artem Chukanov Gérard Claverie Catia Clementi Barbara Clerbaux Selma Conforti Di Lorenzo Daniele Corti flavio Dal Corso Olivia Dalager Christophe De La Taille Zhi Deng Ziyan Deng Wilfried Depnering marco Diaz Xuefeng Ding Yayun Ding Bayu Dirgantara Sergey Dmitrievsky Tadeas Dohnal Dmitry Dolzhikov Georgy Donchenko jianmeng Dong Evgeny Doroshkevich marcos Dracos frédéric Druillole ran Du Shuxian Du Stefano Dusini martin Dvorak Timo Enqvist Heike Enzmann Andrea fabbri Donghua fan Lei fan jian fang Wenxing fang marco fargetta Dmitry fedoseev Zhengyong fei Li-Cheng feng Qichun feng richard ford Amélie fournier Haonan Gan feng Gao Alberto Garfagnini Arsenii Gavrikov marco Giammarchi Nunzio Giudice maxim Gonchar Guanghua Gong Hui Gong yuri Gornushkin Alexandre Göttel marco Grassi Vasily Gromov minghao Gu Xiaofei Gu yu Gu mengyun Guan yuduo Guan Nunzio Guardone Cong Guo jingyuan Guo Wanlei Guo Xinheng Guo yuhang Guo Paul Hackspacher Caren Hagner ran Han Yang Han miao He wei He Tobias Heinz Patrick Hellmuth yuekun Heng rafael Herrera yuenKeung Ho Yerevan Physics Institute YerevanArmenia UniversiéLibre de Bruxelles BrusselsBelgium Universidade Estadual de Londrina LondrinaBrazil Pontificia Universidade Catolica do rio de janeiro Rio de JaneiroBrazil Pontificia Universidad Católica de Chile SantiagoChile Universidad Tecnica federico Santa maria ValparaisoChile Beijing Institute of Spacecraft Environment Engineering BeijingChina Beijing Normal University BeijingChina China Institute of Atomic Energy BeijingChina Institute of High Energy Physics BeijingChina North China Electric Power University BeijingChina School of Physics Peking UniversityBeijingChina Tsinghua University BeijingChina University of Chinese Academy of Sciences BeijingChina jilin University ChangchunChina College of Electronic Science and Engineering National University of Defense TechnologyChangshaChina Chongqing University ChongqingChina Dongguan University of Technology DongguanChina jinan University GuangzhouChina Sun Yat-Sen University GuangzhouChina Harbin Institute of Technology HarbinChina University of Science and Technology of China HefeiChina The radiochemistry and Nuclear Chemistry Group in University of South China HengyangChina Wuyi University JiangmenChina Shandong University JinanChinaand Key Laboratory of Particle Physics and Particle Irradiation of Ministry of EducationShandong UniversityQingdaoChina Institute of modern Physics Chinese Academy of SciencesLanzhouChina Nanjing University NanjingChina Guangxi University NanningChina East China University of Science and Technology ShanghaiChina School of Physics and Astronomy Shanghai Jiao Tong UniversityShanghaiChina Tsung-Dao Lee Institute Shanghai Jiao Tong UniversityShanghaiChina Institute of Hydrogeology and Environmental Geology Chinese Academy of Geological SciencesShijiazhuangChina Nankai University TianjinChina Wuhan University WuhanChina Xi'an jiaotong University Xi'anChina Xiamen University XiamenChina School of Physics and microelectronics Zhengzhou UniversityZhengzhou

jUNO is a multi-purpose neutrino observatory under construction in the south of *** publication presents new sensitivity estimates for the measurement of the △m_(31)^(2),△m_(21)^(2),sin^(2)θ_(12),and sin^(2)θ_(13) oscillation parameters using reactor antineutrinos,which is one of the primary physics goals of the *** sensitivities are obtained using the best knowledge available to date on the location and overburden of the experimental site,the nuclear reactors in the surrounding area and beyond,the detector response uncertainties,and the reactor antineutrino spectral shape constraints expected from the TAO satellite *** is found that the △m_(21)^(2) and sin^(2)θ_(12) oscillation parameters will be determined to 0.5%precision or better in six years of data *** the same period,the △m_(31)^(2) parameter will be determined to about 0.2%precision for each mass ordering *** new precision represents approximately an order of magnitude improvement over existing constraints for these three parameters.

关键词： neutrino oscillation reactor antineutrino precision measurement jUNO