globalchange  > 气候变化与战略
DOI: 10.1016/j.scib.2020.08.032
论文题名:
Observation of structure in the J/ψ-pair mass spectrum
作者: Aaij R.; Abellán Beteta C.; Ackernley T.; Adeva B.; Adinolfi M.; Afsharnia H.; Aidala C.A.; Aiola S.; Ajaltouni Z.; Akar S.; Albrecht J.; Alessio F.; Alexander M.; Alfonso Albero A.; Aliouche Z.; Alkhazov G.; Alvarez Cartelle P.; Alves A.A.; Jr.; Amato S.; Amhis Y.; An L.; Anderlini L.; Andreassi G.; Andreianov A.; Andreotti M.; Archilli F.; Artamonov A.; Artuso M.; Arzymatov K.; Aslanides E.; Atzeni M.; Audurier B.; Bachmann S.; Bachmayer M.; Back J.J.; Baker S.; Baladron Rodriguez P.; Balagura V.; Baldini W.; Baptista Leite J.; Barlow R.J.; Barsuk S.; Barter W.; Bartolini M.; Baryshnikov F.; Basels J.M.; Bassi G.; Batozskaya V.; Batsukh B.; Battig A.; Bay A.; Becker M.; Bedeschi F.; Bediaga I.; Beiter A.; Belavin V.; Belin S.; Bellee V.; Belous K.; Belyaev I.; Bencivenni G.; Ben-Haim E.; Berezhnoy A.; Bernet R.; Berninghoff D.; Bernstein H.C.; Bertella C.; Bertholet E.; Bertolin A.; Betancourt C.; Betti F.; Bettler M.O.; Bezshyiko Ia.; Bhasin S.; Bhom J.; Bian L.; Bieker M.S.; Bifani S.; Billoir P.; Birch M.; Bishop F.C.R.; Bizzeti A.; Bjørn M.; Blago M.P.; Blake T.; Blanc F.; Blusk S.; Bobulska D.; Bocci V.; Boelhauve J.A.; Boente Garcia O.; Boettcher T.; Boldyrev A.; Bondar A.; Bondar N.; Borghi S.; Borisyak M.; Borsato M.; Borsuk J.T.; Bouchiba S.A.; Bowcock T.J.V.; Boyer A.; Bozzi C.; Bradley M.J.; Braun S.; Brea Rodriguez A.; Brodski M.; Brodzicka J.; Brossa Gonzalo A.; Brundu D.; Buchanan E.; Buonaura A.; Burr C.; Bursche A.; Butkevich A.; Butter J.S.; Buytaert J.; Byczynski W.; Cadeddu S.; Cai H.; Calabrese R.; Calero Diaz L.; Cali S.; Calladine R.; Calvi M.; Calvo Gomez M.; Camargo Magalhaes P.; Camboni A.; Campana P.; Campora Perez D.H.; Campoverde Quezada A.F.; Capelli S.; Capriotti L.; Carbone A.; Carboni G.; Cardinale R.; Cardini A.; Carli I.; Carniti P.; Carvalho Akiba K.; Casais Vidal A.; Casse G.; Cattaneo M.; Cavallero G.; Celani S.; Cenci R.; Cerasoli J.; Chadwick A.J.; Chapman M.G.; Charles M.; Charpentier Ph.; Chatzikonstantinidis G.; Chefdeville M.; Chen C.; Chen S.; Chernov A.; Chitic S.-G.; Chobanova V.; Cholak S.; Chrzaszcz M.; Chubykin A.; Chulikov V.; Ciambrone P.; Cicala M.F.; Cid Vidal X.; Ciezarek G.; Cindolo F.; Clarke P.E.L.; Clemencic M.; Cliff H.V.; Closier J.; Cobbledick J.L.; Coco V.; Coelho J.A.B.; Cogan J.; Cogneras E.; Cojocariu L.; Collins P.; Colombo T.; Contu A.; Cooke N.; Coombs G.; Coquereau S.; Corti G.; Costa Sobral C.M.; Couturier B.; Craik D.C.; Crkovská J.; Cruz Torres M.; Currie R.; da Silva C.L.; Dall'Occo E.; Dalseno J.; D'Ambrosio C.; Danilina A.; d'Argent P.; Davis A.; de Aguiar Francisco O.; de Bruyn K.; de Capua S.; de Cian M.; de Miranda J.M.; de Paula L.; de Serio M.; de Simone D.; de Simone P.; de Vries J.A.; Dean C.T.; Dean W.; Decamp D.; Del Buono L.; Delaney B.; Dembinski H.-P.; Dendek A.; Denis X.; Denysenko V.; Derkach D.; Deschamps O.; Desse F.; Dettori F.; Dey B.; Di Canto A.; Di Nezza P.; Didenko S.; Dijkstra H.; Dobishuk V.; Donohoe A.M.; Dordei F.; Dorigo M.; dos Reis A.C.; Douglas L.; Dovbnya A.; Downes A.G.; Dreimanis K.; Dudek M.W.; Dufour L.; Durante P.; Durham J.M.; Dutta D.; Dziewiecki M.; Dziurda A.; Dzyuba A.; Easo S.; Egede U.; Egorychev V.; Eidelman S.; Eisenhardt S.; Ek-In S.; Eklund L.; Ely S.; Ene A.; Epple E.; Escher S.; Eschle J.; Esen S.; Evans T.; Falabella A.; Fan J.; Fan Y.; Fang B.; Farley N.; Farry S.; Fazzini D.; Fedin P.; Féo M.; Fernandez Declara P.; Fernandez Prieto A.; Ferrari F.; Ferreira Lopes L.; Ferreira Rodrigues F.; Ferreres Sole S.; Ferrillo M.; Ferro-Luzzi M.; Filippov S.; Fini R.A.; Fiorini M.; Firlej M.; Fischer K.M.; Fitzpatrick C.; Fiutowski T.; Fleuret F.; Fontana M.; Fontanelli F.; Forty R.; Franco Lima V.; Franco Sevilla M.; Frank M.; Franzoso E.; Frau G.; Frei C.; Friday D.A.; Fu J.; Fuehring Q.; Funk W.; Gabriel E.; Gaintseva T.; Gallas Torreira A.; Galli D.; Gallorini S.; Gambetta S.; Gan Y.; Gandelman M.; Gandini P.; Gao Y.; Garau M.; Garcia Martin L.M.; Garcia Moreno P.; García Pardi nas J.; Garcia Plana B.; Garcia Rosales F.A.; Garrido L.; Gascon D.; Gaspar C.; Geertsema R.E.; Gerick D.; Gersabeck E.; Gersabeck M.; Gershon T.; Gerstel D.; Ghez Ph.; Gibson V.; Gioventù A.; Gironella Gironell P.; Giubega L.; Giugliano C.; Gizdov K.; Gligorov V.V.; Göbel C.; Golobardes E.; Golubkov D.; Golutvin A.; Gomes A.; Goncerz M.; Gorbounov P.; Gorelov I.V.; Gotti C.; Govorkova E.; Grabowski J.P.; Graciani Diaz R.; Grammatico T.; Granado Cardoso L.A.; Graugés E.; Graverini E.; Graziani G.; Grecu A.; Greeven L.M.; Griffith P.; Grillo L.; Gruber L.; Gruberg Cazon B.R.; Gu C.; Guarise M.; Günther P.A.; Gushchin E.; Guth A.; Guz Yu.; Gys T.; Hadavizadeh T.; Haefeli G.; Haen C.; Haines S.C.; Hamilton P.M.; Han Q.; Han X.; Hancock T.H.; Hansmann-Menzemer S.; Harnew N.; Harrison T.; Hart R.; Hasse C.; Hatch M.; He J.; Hecker M.; Heijhoff K.; Heinicke K.; Hennequin A.M.; Hennessy K.; Henry L.; Heuel J.; Hicheur A.; Hill D.; Hilton M.; Hollitt S.E.; Hopchev P.H.; Hu J.; Hu J.; Hu W.; Huang W.; Hulsbergen W.; Humair T.; Hunter R.J.; Hushchyn M.; Hutchcroft D.; Hynds D.; Ibis P.; Idzik M.; Ilin D.; Ilten P.; Inglessi A.; Ivshin K.; Jacobsson R.; Jakobsen S.; Jans E.; Jashal B.K.; Jawahery A.; Jevtic V.; Jiang F.; John M.; Johnson D.; Jones C.R.; Jones T.P.; Jost B.; Jurik N.; Kandybei S.; Kang Y.; Karacson M.; Kariuki J.M.; Kazeev N.; Kecke M.; Keizer F.; Kelsey M.; Kenzie M.; Ketel T.; Khanji B.; Kharisova A.; Kholodenko S.; Kim K.E.; Kirn T.; Kirsebom V.S.; Kitouni O.; Klaver S.; Klimaszewski K.; Koliiev S.; Kondybayeva A.; Konoplyannikov A.; Kopciewicz P.; Kopecna R.; Koppenburg P.; Korolev M.; Kostiuk I.; Kot O.; Kotriakhova S.; Kravchenko P.; Kravchuk L.; Krawczyk R.D.; Kreps M.; Kress F.; Kretzschmar S.; Krokovny P.; Krupa W.; Krzemien W.; Kucewicz W.; Kucharczyk M.; Kudryavtsev V.; Kuindersma H.S.; Kunde G.J.; Kvaratskheliya T.; Lacarrere D.; Lafferty G.; Lai A.; Lampis A.; Lancierini D.; Lane J.J.; Lane R.; Lanfranchi G.; Langenbruch C.; Lantwin O.; Latham T.; Lazzari F.; Le Gac R.; Lee S.H.; Lefèvre R.; Leflat A.; Legotin S.; Leroy O.; Lesiak T.; Leverington B.; Li H.; Li L.; Li P.; Li X.; Li Y.; Li Y.; Li Z.; Liang X.; Lin T.; Lindner R.; Lisovskyi V.; Litvinov R.; Liu G.; Liu H.; Liu S.; Liu X.; Loi A.; Lomba Castro J.; Longstaff I.; Lopes J.H.; Loustau G.; Lovell G.H.; Lu Y.; Lucchesi D.; Luchuk S.; Lucio Martinez M.; Lukashenko V.; Luo Y.; Lupato A.; Luppi E.; Lupton O.; Lusiani A.; Lyu X.; Ma L.; Maccolini S.; Machefert F.; Maciuc F.; Macko V.; Mackowiak P.; Maddrell-Mander S.; Madhan Mohan L.R.; Maev O.; Maevskiy A.; Maisuzenko D.; Majewski M.W.; Malde S.; Malecki B.; Malinin A.; Maltsev T.; Malygina H.; Manca G.; Mancinelli G.; Manera Escalero R.; Manuzzi D.; Marangotto D.; Maratas J.; Marchand J.F.; Marconi U.; Mariani S.; Marin Benito C.; Marinangeli M.; Marino P.; Marks J.; Marshall P.J.; Martellotti G.; Martinazzoli L.; Martinelli M.; Martinez Santos D.; Martinez Vidal F.; Massafferri A.; Materok M.; Matev R.; Mathad A.; Mathe Z.; Matiunin V.; Matteuzzi C.; Mattioli K.R.; Mauri A.; Maurice E.; Mazurek M.; McCann M.; McConnell L.; McGrath T.H.; McNab A.; McNulty R.; Mead J.V.; Meadows B.; Meaux C.; Meier G.; Meinert N.; Melnychuk D.; Meloni S.; Merk M.; Merli A.; Meyer Garcia L.; Mikhasenko M.; Milanes D.A.; Millard E.; Minard M.-N.; Minzoni L.; Mitchell S.E.; Mitreska B.; Mitzel D.S.; Mödden A.; Mohammed R.A.; Moise R.D.; Mombächer T.; Monroy I.A.; Monteil S.; Morandin M.; Morello G.; Morello M.J.; Moron J.; Morris A.B.; Morris A.G.; Mountain R.; Mu H.; Muheim F.; Mukherjee M.; Mulder M.; Müller D.; Müller K.; Murphy C.H.; Murray D.; Muzzetto P.; Naik P.; Nakada T.; Nandakumar R.; Nanut T.; Nasteva I.; Needham M.; Neri I.; Neri N.; Neubert S.; Neufeld N.; Newcombe R.; Nguyen T.D.; Nguyen-Mau C.; Niel E.M.; Nieswand S.; Nikitin N.; Nolte N.S.; Nunez C.; Oblakowska-Mucha A.; Obraztsov V.; Ogilvy S.; O'Hanlon D.P.; Oldeman R.; Onderwater C.J.G.; Osborn J.D.; Ossowska A.; Otalora Goicochea J.M.; Ovsiannikova T.; Owen P.; Oyanguren A.; Pagare B.; Pais P.R.; Pajero T.; Palano A.; Palutan M.; Pan Y.; Panshin G.; Papanestis A.; Pappagallo M.; Pappalardo L.L.; Pappenheimer C.; Parker W.; Parkes C.; Parkinson C.J.; Passalacqua B.; Passaleva G.; Pastore A.; Patel M.; Patrignani C.; Pearce A.; Pellegrino A.; Pepe Altarelli M.; Perazzini S.; Pereima D.; Perret P.; Petridis K.; Petrolini A.; Petrov A.; Petrucci S.; Petruzzo M.; Philippov A.; Pica L.; Pietrzyk B.; Pietrzyk G.; Pili M.; Pinci D.; Pinzino J.; Pisani F.; Piucci A.; Placinta V.; Playfer S.; Plews J.; Plo Casasus M.; Polci F.; Poli Lener M.; Poliakova M.; Poluektov A.; Polukhina N.; Polyakov I.; Polycarpo E.; Pomery G.J.; Ponce S.; Popov A.; Popov D.; Popov S.; Poslavskii S.; Prasanth K.; Promberger L.; Prouve C.; Pugatch V.; Puig Navarro A.; Pullen H.; Punzi G.; Puthumanaillam Krishnankuttyelayath R.; Qian W.; Qin J.; Quagliani R.; Quintana B.; Raab N.V.; Rabadan Trejo R.I.; Rachwal B.; Rademacker J.H.; Rama M.; Ramos Pernas M.; Rangel M.S.; Ratnikov F.; Raven G.; Reboud M.; Redi F.; Reiss F.; Remon Alepuz C.; Ren Z.; Renaudin V.; Ribatti R.; Ricciardi S.; Richards D.S.; Rinnert K.; Robbe P.; Robert A.; Robertson G.; Rodrigues A.B.; Rodrigues E.; Rodriguez Lopez J.A.; Roehrken M.; Rollings A.; Romanovskiy V.; Romero Lamas M.; Romero Vidal A.; Roth J.D.; Rotondo M.; Rudolph M.S.; Ruf T.; Ruiz Vidal J.; Ryzhikov A.; Ryzka J.; Saborido Silva J.J.; Sagidova N.; Sahoo N.; Saitta B.; Sanchez Gras C.; Sanchez Mayordomo C.; Santacesaria R.; Santamarina Rios C.; Santimaria M.; Santovetti E.; Saranin D.; Sarpis G.; Sarpis M.; Sarti A.; Satriano C.; Satta A.; Saur M.; Savrina D.; Sazak H.; Scantlebury Smead L.G.; Schael S.; Schellenberg M.; Schiller M.; Schindler H.; Schmelling M.; Schmelzer T.; Schmidt B.; Schneider O.; Schopper A.; Schreiner H.F.; Schubiger M.; Schulte S.; Schune M.H.; Schwemmer R.; Sciascia B.; Sciubba A.; Sellam S.; Semennikov A.; Sergi A.; Serra N.; Serrano J.; Sestini L.; Seuthe A.; Seyfert P.; Shangase D.M.; Shapkin M.; Shchemerov I.; Shchutska L.; Shears T.; Shekhtman L.; Shevchenko V.; Shields E.B.; Shmanin E.; Shupperd J.D.; Siddi B.G.; Silva Coutinho R.; Silva de Oliveira L.; Simi G.; Simone S.; Skiba I.; Skidmore N.; Skwarnicki T.; Slater M.W.; Smallwood J.C.; Smeaton J.G.; Smetkina A.; Smith E.; Smith M.; Snoch A.; Soares M.; Soares Lavra L.; Sokoloff M.D.; Soler F.J.P.; Solovev A.; Solovyev I.; Souza De Almeida F.L.; Souza De Paula B.; Spaan B.; Spadaro Norella E.; Spradlin P.; Stagni F.; Stahl M.; Stahl S.; Stefko P.; Steinkamp O.; Stemmle S.; Stenyakin O.; Stevens H.; Stone S.; Stracka S.; Stramaglia M.E.; Straticiuc M.; Strekalina D.; Strokov S.; Suljik F.; Sun J.; Sun L.; Sun Y.; Svihra P.; Swallow P.N.; Swientek K.; Szabelski A.; Szumlak T.; Szymanski M.; Taneja S.; Tang Z.; Tekampe T.; Teubert F.; Thomas E.; Thomson K.A.; Tilley M.J.; Tisserand V.; T'Jampens S.; Tobin M.; Tolk S.; Tomassetti L.; Torres Machado D.; Tou D.Y.; Traill M.; Tran M.T.; Trifonova E.; Trippl C.; Tsaregorodtsev A.; Tuci G.; Tully A.; Tuning N.; Ukleja A.; Unverzagt D.J.; Usachov A.; Ustyuzhanin A.; Uwer U.; Vagner A.; Vagnoni V.; Valassi A.; Valenti G.; van Beuzekom M.; van Hecke H.; van Herwijnen E.; van Hulse C.B.; van Veghel M.; Vazquez Gomez R.; Vazquez Regueiro P.; Vázquez Sierra C.; Vecchi S.; Velthuis J.J.; Veltri M.; Venkateswaran A.; Veronesi M.; Vesterinen M.; Vieira D.; Vieites Diaz M.; Viemann H.; Vilasis-Cardona X.; Vilella Figueras E.; Vincent P.; Vitali G.; Vitkovskiy A.; Vollhardt A.; Vom Bruch D.; Vorobyev A.; Vorobyev V.; Voropaev N.; Waldi R.; Walsh J.; Wang C.; Wang J.; Wang J.; Wang J.; Wang J.; Wang M.; Wang R.; Wang Y.; Wang Z.; Ward D.R.; Wark H.M.; Watson N.K.; Weber S.G.; Websdale D.; Weisser C.; Westhenry B.D.C.; White D.J.; Whitehead M.; Wiedner D.; Wilkinson G.; Wilkinson M.; Williams I.; Williams M.; Williams M.R.J.; Wilson F.F.; Wislicki W.; Witek M.; Witola L.; Wormser G.; Wotton S.A.; Wu H.; Wyllie K.; Xiang Z.; Xiao D.; Xie Y.; Xing H.; Xu A.; Xu J.; Xu L.; Xu M.; Xu Q.; Xu Z.; Yang D.; Yang Y.; Yang Z.; Yang Z.; Yao Y.; Yeomans L.E.; Yin H.; Yu J.; Yuan X.; Yushchenko O.; Zarebski K.A.; Zavertyaev M.; Zdybal M.; Zenaiev O.; Zeng M.; Zhang D.; Zhang L.; Zhang S.; Zhang Y.; Zhelezov A.; Zheng Y.; Zhou X.; Zhou Y.; Zhu X.; Zhukov V.; Zonneveld J.B.; Zucchelli S.; Zuliani D.; Zunica G.; LHCb collaboration
刊名: Science Bulletin
ISSN: 20959273
出版年: 2020
卷: 65, 期:23
起始页码: 1983
结束页码: 1993
语种: 英语
中文关键词: Exotics ; Particle and resonance production ; QCD ; Quarkonium ; Spectroscopy ; Tetraquark
英文关键词: Elementary particles ; Mass spectrometers ; Mass spectrometry ; Tellurium compounds ; Centre-of-mass energies ; Charm quarks ; Integrated luminosity ; Invariant-mass spectra ; Large Hadron Collider ; Mass spectra ; Proton proton collisions ; Standard deviation ; Vanadium compounds
英文摘要: Using proton-proton collision data at centre-of-mass energies of √s = 7; 8 and 13 TeV recorded by the ffiffi LHCb experiment at the Large Hadron Collider, corresponding to an integrated luminosity of 9 fb-1, the invariant mass spectrum of J/w pairs is studied. A narrow structure around 6:9 GeV=c2 matching the lineshape of a resonance and a broad structure just above twice the J/ψ mass are observed. The deviation of the data from nonresonant J/ψ-pair production is above five standard deviations in the mass region between 6:2 and 7:4 GeV=c2, covering predicted masses of states composed of four charm quarks. The mass and natural width of the narrow X(6900) structure are measured assuming a Breit-Wigner lineshape. © 2020 Science China Press. Published by Elsevier B.V. and Science China Press. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/169840
Appears in Collections:气候变化与战略

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作者单位: Centro Brasileiro de Pesquisas Físicas (CBPF), Rio de Janeiro, Brazil; Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil; Center for High Energy Physics, Tsinghua University, Beijing, China; School of Physics State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing, China; University of Chinese Academy of Sciences, Beijing, China; Institute Of High Energy Physics (IHEP), Beijing, China; Institute of Particle Physics, Central China Normal University, Wuhan, Hubei, China; Univ. Grenoble Alpes, Univ. Savoie Mont Blanc, CNRS, IN2P3-LAPP, Annecy, France; Université Clermont Auvergne, CNRS/IN2P3, LPC, Clermont-Ferrand, France; Aix Marseille Univ, CNRS/IN2P3, CPPM, Marseille, France; Université Paris-Saclay, CNRS/IN2P3, IJCLab, Orsay, France; LPNHE, Sorbonne Université, Paris Diderot Sorbonne Paris Cité, CNRS/IN2P3, Paris, France; I. Physikalisches Institut, RWTH Aachen University, Aachen, Germany; Fakultät Physik, Technische Universität Dortmund, Dortmund, Germany; Max-Planck-Institut für Kernphysik (MPIK), Heidelberg, Germany; Physikalisches Institut, Ruprecht-Karls-Universität Heidelberg, Heidelberg, Germany; School of Physics, University College Dublin, Dublin, Ireland; INFN Sezione di Bari, Bari, Italy; INFN Sezione di Bologna, Bologna, Italy; INFN Sezione di Ferrara, Ferrara, Italy; INFN Sezione di Firenze, Firenze, Italy; INFN Laboratori Nazionali di Frascati, Frascati, Italy; INFN Sezione di Genova, Genova, Italy; INFN Sezione di Milano-Bicocca, Milano, Italy; INFN Sezione di Milano, Milano, Italy; INFN Sezione di Cagliari, Monserrato, Italy; Universita degli Studi di Padova, Universita e INFN, Padova, Padova, Italy; INFN Sezione di Pisa, Pisa, Italy; INFN Sezione di Roma Tor Vergata, Roma, Italy; INFN Sezione di Roma La Sapienza, Roma, Italy; Nikhef National Institute for Subatomic Physics, Amsterdam, Netherlands; Nikhef National Institute for Subatomic Physics, VU University Amsterdam, Amsterdam, Netherlands; Henryk Niewodniczanski Institute of Nuclear Physics, Polish Academy of Sciences, Kraków, Poland; AGH - University of Science and Technology, Faculty of Physics and Applied Computer Science, Kraków, Poland; National Center for Nuclear Research (NCBJ), Warsaw, Poland; Horia Hulubei National Institute of Physics and Nuclear Engineering, Bucharest-Magurele, Romania; Petersburg Nuclear Physics Institute NRC Kurchatov Institute (PNPI NRC KI), Gatchina, Russian Federation; Institute of Theoretical and Experimental Physics NRC Kurchatov Institute (ITEP NRC KI), Moscow, Russian Federation; Institute of Nuclear Physics, Moscow State University (SINP MSU), Moscow, Russian Federation; Institute for Nuclear Research of the Russian Academy of Sciences (INR RAS), Moscow, Russian Federation; Yandex School of Data Analysis, Moscow, Russian Federation; Budker Institute of Nuclear Physics (SB RAS), Novosibirsk, Russian Federation; Institute for High Energy Physics NRC Kurchatov Institute (IHEP NRC KI), Protvino, Russian Federation; ICCUB, Universitat de Barcelona, Barcelona, Spain; Instituto Galego de Física de Altas Enerxías (IGFAE), Universidade de Santiago de Compostela, Santiago de Compostela, Spain; Instituto de Fisica Corpuscular, Centro Mixto Universidad de Valencia - CSIC, Valencia, Spain; European Organization for Nuclear Research (CERN), Geneva, Switzerland; Institute of Physics, Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland; Physik-Institut, Universität Zürich, Zürich, Switzerland; NSC Kharkiv Institute of Physics and Technology (NSC KIPT), Kharkiv, Ukraine; Institute for Nuclear Research of the National Academy of Sciences (KINR), Kyiv, Ukraine; University of Birmingham, Birmingham, United Kingdom; H.H. Wills Physics Laboratory, University of Bristol, Bristol, United Kingdom; Cavendish Laboratory, University of Cambridge, Cambridge, United Kingdom; Department of Physics, University of Warwick, Coventry, United Kingdom; STFC Rutherford Appleton Laboratory, Didcot, United Kingdom; School of Physics and Astronomy, University of Edinburgh, Edinburgh, United Kingdom; School of Physics and Astronomy, University of Glasgow, Glasgow, United Kingdom; Oliver Lodge Laboratory, University of Liverpool, Liverpool, United Kingdom; Imperial College London, London, United Kingdom; Department of Physics and Astronomy, University of Manchester, Manchester, United Kingdom; Department of Physics, University of Oxford, Oxford, United Kingdom; Massachusetts Institute of Technology, Cambridge, MA, United States; University of Cincinnati, Cincinnati, OH, United States; University of Maryland, College Park, MD, United States; Los Alamos National Laboratory (LANL), Los Alamos, United States; Syracuse University, Syracuse, NY, United States; Laboratory of Mathematical and Subatomic Physics, Constantine, Algeria; School of Physics and Astronomy, Monash University, Melbourne, Australia; Pontifícia Universidade Católica do Rio de Janeiro (PUC-Rio), Rio de Janeiro, Brazil; Guangdong Provencial Key Laboratory of Nuclear Science, Institute of Quantum Matter, South China Normal University, Guangzhou, China; School of Physics and Technology, Wuhan University, Wuhan, China; Departamento de Fisica, Universidad Nacional de Colombia, Bogota, Colombia; Universität Bonn - Helmholtz-Institut für Strahlen und Kernphysik, Bonn, Germany; Institut für Physik, Universität Rostock, Rostock, Germany; Van Swinderen Institute, University of Groningen, Groningen, Netherlands; Universiteit Maastricht, Maastricht, Netherlands; National Research Centre, Kurchatov Institute, Moscow, Russian Federation; National University of Science and Technology "MISIS", Moscow, Russian Federation; National Research University Higher School of Economics, Moscow, Russian Federation; National Research Tomsk Polytechnic University, Tomsk, Russian Federation; University of Michigan, Ann Arbor, United States; AGH - University of Science and Technology, Faculty of Computer Science, Electronics and Telecommunications, Kraków, Poland; Universidade Federal do Triângulo Mineiro (UFTM), Uberaba-MG, Brazil; Laboratoire Leprince-Ringuet, Palaiseau, France; P.N. Lebedev Physical Institute, Russian Academy of Science (LPI RAS), Moscow, Russian Federation; Università di Bari, Bari, Italy; Università di Bologna, Bologna, Italy; Università di Cagliari, Cagliari, Italy; Università di Ferrara, Ferrara, Italy; Università di Genova, Genova, Italy; Università di Milano Bicocca, Milano, Italy; Università di Roma Tor Vergata, Roma, Italy; AGH University of Science and Technology, Faculty of Computer Science, Electronics and Telecommunications, Kraków, Poland; DS4DS, La Salle, Universitat Ramon Llull, Barcelona, Spain; Hanoi University of Science, Hanoi, Viet Nam; Università di Padova, Padova, Italy; Università di Pisa, Pisa, Italy; Università degli Studi di Milano, Milano, Italy; Università di Urbino, Urbino, Italy; Università della Basilicata, Potenza, Italy; Scuola Normale Superiore, Pisa, Italy; Università di Modena e Reggio Emilia, Modena, Italy; Università di Siena, Siena, Italy; MSU - Iligan Institute of Technology (MSU-IIT), Iligan, Philippines; Novosibirsk State University, Novosibirsk, Russian Federation; INFN Sezione di Trieste, Trieste, Italy; Universidad Nacional Autonoma de Honduras, Tegucigalpa, Honduras; Università di Firenze, Firenze, Italy

Recommended Citation:
Aaij R.,Abellán Beteta C.,Ackernley T.,et al. Observation of structure in the J/ψ-pair mass spectrum[J]. Science Bulletin,2020-01-01,65(23)
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