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Observation of ϒ(1S)+Z Associated Production and Measurement of the Effective Double-Parton Scattering Cross Section in Proton-Proton Collisions at s=13  TeV

A. Hayrapetyan1, V. Makarenko1, A. Tumasyan1,b, W. Adam2, J. W. Andrejkovic2, L. Benato2, T. Bergauer2, M. Dragicevic2, C. Giordano2 et al. (CMS Collaboration)

C. Giordano2, P. S. Hussain2, M. Jeitler2,c, N. Krammer2, A. Li2, D. Liko2, M. Matthewman2, I. Mikulec2, J. Schieck2,c, R. Schöfbeck2,c, D. Schwarz2, M. Shooshtari2, M. Sonawane2, W. Waltenberger2, C.-E. Wulz2,c, T. Janssen3, H. Kwon3, D. Ocampo Henao3, T. Van Laer3, P. Van Mechelen3, J. Bierkens4, N. Breugelmans4, J. D’Hondt4, S. Dansana4, A. De Moor4, M. Delcourt4, F. Heyen4, Y. Hong4, P. Kashko4, S. Lowette4, I. Makarenko4, D. Müller4, J. Song4, S. Tavernier4, M. Tytgat4,d, G. P. Van Onsem4, S. Van Putte4, D. Vannerom4, B. Bilin5, B. Clerbaux5, A. K. Das5, I. De Bruyn5, G. De Lentdecker5, H. Evard5, L. Favart5, P. Gianneios5, A. Khalilzadeh5, F. A. Khan5, A. Malara5, M. A. Shahzad5, L. Thomas5, M. Vanden Bemden5, C. Vander Velde5, P. Vanlaer5, F. Zhang5, M. De Coen6, D. Dobur6, G. Gokbulut6, J. Knolle6, L. Lambrecht6, D. Marckx6, K. Skovpen6, N. Van Den Bossche6, J. van der Linden6, J. Vandenbroeck6, L. Wezenbeek6, S. Bein7, A. Benecke7, A. Bethani7, G. Bruno7, A. Cappati7, J. De Favereau De Jeneret7, C. Delaere7, A. Giammanco7, A. O. Guzel7, V. Lemaitre7, J. Lidrych7, P. Malek7, P. Mastrapasqua7, S. Turkcapar7, G. A. Alves8, M. Barroso Ferreira Filho8, E. Coelho8, C. Hensel8, T. Menezes De Oliveira8, C. Mora Herrera8,e, P. Rebello Teles8, M. Soeiro8, E. J. Tonelli Manganote8,f, A. Vilela Pereira8,e, W. L. Aldá Júnior9, H. Brandao Malbouisson9, W. Carvalho9, J. Chinellato9,g, M. Costa Reis9, E. M. Da Costa9, G. G. Da Silveira9,h, D. De Jesus Damiao9, S. Fonseca De Souza9, R. Gomes De Souza9, S. S. Jesus9, T. Laux Kuhn9,h, M. Macedo9, K. Mota Amarilo9, L. Mundim9, H. Nogima9, J. P. Pinheiro9, A. Santoro9, A. Sznajder9, M. Thiel9, F. Torres Da Silva De Araujo9,i, C. A. Bernardes10,h, F. Damas10, T. R. Fernandez Perez Tomei10, E. M. Gregores10, B. Lopes Da Costa10, I. Maietto Silverio10, P. G. Mercadante10, S. F. Novaes10, B. Orzari10, Sandra S. Padula10, V. Scheurer10, A. Aleksandrov11, G. Antchev11, P. Danev11, R. Hadjiiska11, P. Iaydjiev11, M. Misheva11, M. 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Sharko49, M. Shchedrolosiev49, D. Stafford49, M. Torkian49, F. Vazzoler49, A. Ventura Barroso49, R. Walsh49, D. Wang49, Q. Wang49, K. Wichmann49, L. Wiens49,x, C. Wissing49, Y. Yang49, S. Zakharov49, A. Zimermmane Castro Santos49, A. R. Alves Andrade50, M. Antonello50, S. Bollweg50, M. Bonanomi50, K. El Morabit50, Y. Fischer50, M. Frahm50, E. Garutti50, A. Grohsjean50, A. A. Guvenli50, J. Haller50, D. Hundhausen50, G. Kasieczka50, P. Keicher50, R. Klanner50, W. Korcari50, T. Kramer50, C. c. Kuo50, F. Labe50, J. Lange50, A. Lobanov50, L. Moureaux50, A. Nigamova50, K. Nikolopoulos50, A. Paasch50, K. J. Pena Rodriguez50, N. Prouvost50, T. Quadfasel50, B. Raciti50, M. Rieger50, D. Savoiu50, P. Schleper50, M. Schröder50, J. Schwandt50, M. Sommerhalder50, H. Stadie50, G. Steinbrück50, R. Ward50, B. Wiederspan50, M. Wolf50, S. Brommer51, E. Butz51, Y. M. Chen51, T. Chwalek51, A. Dierlamm51, G. G. Dincer51, U. Elicabuk51, N. Faltermann51, M. Giffels51, A. Gottmann51, F. Hartmann51,bb, R. 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Setti158, J. Sheplock158, D. Stuart158, T. Á. Vámi158, X. Yan158, D. Zhang158, A. Albert159, S. Bhattacharya159, A. Bornheim159, O. Cerri159, R. Kansal159, J. Mao159, H. B. Newman159, G. Reales Gutiérrez159, T. Sievert159, M. Spiropulu159, J. R. Vlimant159, R. A. Wynne159, S. Xie159, J. Alison160, S. An160, M. Cremonesi160, V. Dutta160, E. Y. Ertorer160, T. Ferguson160, T. A. Gómez Espinosa160, A. Harilal160, A. Kallil Tharayil160, M. Kanemura160, C. Liu160, P. Meiring160, T. Mudholkar160, S. Murthy160, P. Palit160, K. Park160, M. Paulini160, A. Roberts160, A. Sanchez160, W. Terrill160, J. P. Cumalat161, W. T. Ford161, A. Hart161, A. Hassani161, S. Kwan161, J. Pearkes161, C. Savard161, N. Schonbeck161, K. Stenson161, K. A. Ulmer161, S. R. Wagner161, N. Zipper161, D. Zuolo161, J. Alexander162, X. Chen162, J. Dickinson162, A. Duquette162, J. Fan162, X. Fan162, J. Grassi162, S. Hogan162, P. Kotamnives162, J. Monroy162, G. Niendorf162, M. Oshiro162, J. R. Patterson162, A. Ryd162, J. Thom162, P. Wittich162, R. Zou162, L. Zygala162, M. Albrow163, M. Alyari163, O. Amram163, G. Apollinari163, A. Apresyan163, L. A. T. Bauerdick163, D. Berry163, J. Berryhill163, P. C. Bhat163, K. Burkett163, J. N. Butler163, A. Canepa163, G. B. Cerati163, H. W. K. Cheung163, F. Chlebana163, C. Cosby163, G. Cummings163, I. Dutta163, V. D. Elvira163, J. Freeman163, A. Gandrakota163, Z. Gecse163, L. Gray163, D. Green163, A. Grummer163, S. Grünendahl163, D. Guerrero163, O. Gutsche163, R. M. Harris163, T. C. Herwig163, J. Hirschauer163, B. Jayatilaka163, S. Jindariani163, M. Johnson163, U. Joshi163, T. Klijnsma163, B. Klima163, K. H. M. Kwok163, S. Lammel163, C. Lee163, D. Lincoln163, R. Lipton163, T. Liu163, K. Maeshima163, D. Mason163, P. McBride163, P. Merkel163, S. Mrenna163, S. Nahn163, J. Ngadiuba163, D. Noonan163, S. Norberg163, V. Papadimitriou163, N. Pastika163, K. Pedro163, C. Pena163,gggg, C. E. Perez Lara163, F. Ravera163, A. Reinsvold Hall163,hhhh, L. Ristori163, M. Safdari163, E. Sexton-Kennedy163, N. Smith163, A. Soha163, L. Spiegel163, S. Stoynev163, J. Strait163, L. Taylor163, S. Tkaczyk163, N. V. Tran163, L. Uplegger163, E. W. Vaandering163, C. Wang163, I. Zoi163, C. Aruta164, P. Avery164, D. Bourilkov164, P. Chang164, V. Cherepanov164, R. D. Field164, C. Huh164, E. Koenig164, M. Kolosova164, J. Konigsberg164, A. Korytov164, N. Menendez164, G. Mitselmakher164, K. Mohrman164, A. Muthirakalayil Madhu164, N. Rawal164, S. Rosenzweig164, V. Sulimov164, Y. Takahashi164, J. Wang164, T. Adams165, A. Al Kadhim165, A. Askew165, S. Bower165, R. Goff165, R. Hashmi165, R. S. Kim165, T. Kolberg165, G. Martinez165, M. Mazza165, H. Prosper165, P. R. Prova165, M. Wulansatiti165, R. Yohay165, B. Alsufyani166, S. Butalla166, S. Das166, M. Hohlmann166, M. Lavinsky166, E. Yanes166, M. R. Adams167, N. Barnett167, A. Baty167, C. Bennett167, R. Cavanaugh167, R. Escobar Franco167, O. Evdokimov167, C. E. Gerber167, H. Gupta167, M. Hawksworth167, A. Hingrajiya167, D. J. Hofman167, J. h. Lee167, D. S. Lemos167, C. Mills167, S. Nanda167, G. Nigmatkulov167, B. Ozek167, T. Phan167, D. Pilipovic167, R. Pradhan167, E. Prifti167, P. Roy167, T. Roy167, N. Singh167, M. B. Tonjes167, N. Varelas167, M. A. Wadud167, J. Yoo167, M. Alhusseini168, D. Blend168, K. Dilsiz168,iiii, O. K. Köseyan168, A. Mestvirishvili168,jjjj, O. Neogi168, H. Ogul168,kkkk, Y. Onel168, A. Penzo168, C. Snyder168, E. Tiras168,llll, B. Blumenfeld169, J. Davis169, A. V. Gritsan169, L. Kang169, S. Kyriacou169, P. Maksimovic169, M. Roguljic169, S. Sekhar169, M. V. Srivastav169, M. Swartz169, A. Abreu170, L. F. Alcerro Alcerro170, J. Anguiano170, S. Arteaga Escatel170, P. Baringer170, A. Bean170, Z. Flowers170, D. Grove170, J. King170, G. Krintiras170, M. Lazarovits170, C. Le Mahieu170, J. Marquez170, M. Murray170, M. Nickel170, S. Popescu170,mmmm, C. Rogan170, C. Royon170, S. Rudrabhatla170, S. Sanders170, C. Smith170, G. Wilson170, B. Allmond171, N. Islam171, A. Ivanov171, K. Kaadze171, Y. Maravin171, J. Natoli171, G. G. Reddy171, D. Roy171, G. Sorrentino171, A. Baden172, A. Belloni172, J. Bistany-riebman172, S. C. Eno172, N. J. Hadley172, S. Jabeen172, R. G. Kellogg172, T. Koeth172, B. Kronheim172, S. Lascio172, P. Major172, A. C. Mignerey172, C. Palmer172, C. Papageorgakis172, M. M. Paranjpe172, E. Popova172,nnnn, A. Shevelev172, L. Zhang172, C. Baldenegro Barrera173, J. Bendavid173, H. Bossi173, S. Bright-Thonney173, I. A. Cali173, Y. c. Chen173, P. c. Chou173, M. D’Alfonso173, J. Eysermans173, C. Freer173, G. Gomez-Ceballos173, M. Goncharov173, G. Grosso173, P. Harris173, D. Hoang173, G. M. Innocenti173, D. Kovalskyi173, J. Krupa173, L. Lavezzo173, Y.-J. Lee173, K. Long173, C. Mcginn173, A. Novak173, M. I. Park173, C. Paus173, C. Reissel173, C. Roland173, G. Roland173, S. Rothman173, T. a. Sheng173, G. S. F. Stephans173, D. Walter173, Z. Wang173, B. Wyslouch173, T. J. Yang173, B. Crossman174, W. J. Jackson174, C. Kapsiak174, M. Krohn174, D. Mahon174, J. Mans174, B. Marzocchi174, R. Rusack174, O. Sancar174, R. Saradhy174, N. Strobbe174, K. Bloom175, D. R. Claes175, G. Haza175, J. Hossain175, C. Joo175, I. Kravchenko175, A. Rohilla175, J. E. Siado175, W. Tabb175, A. Vagnerini175, A. Wightman175, F. Yan175, H. Bandyopadhyay176, L. Hay176, H. w. Hsia176, I. Iashvili176, A. Kalogeropoulos176, A. Kharchilava176, A. Mandal176, M. Morris176, D. Nguyen176, S. Rappoccio176, H. Rejeb Sfar176, A. Williams176, P. Young176, D. Yu176, G. Alverson177, E. Barberis177, J. Bonilla177, B. Bylsma177, M. Campana177, J. Dervan177, Y. Haddad177, Y. Han177, I. Israr177, A. Krishna177, M. Lu177, N. Manganelli177, R. Mccarthy177, D. M. Morse177, T. Orimoto177, A. Parker177, L. Skinnari177, C. S. Thoreson177, E. Tsai177, D. Wood177, S. Dittmer178, K. A. Hahn178, Y. Liu178, M. Mcginnis178, Y. Miao178, D. G. Monk178, M. H. Schmitt178, A. Taliercio178, M. Velasco178, J. Wang178, G. Agarwal179, R. Band179, R. Bucci179, S. Castells179, A. Das179, A. Ehnis179, R. Goldouzian179, M. Hildreth179, K. Hurtado Anampa179, T. Ivanov179, C. Jessop179, A. Karneyeu179, K. Lannon179, J. Lawrence179, N. Loukas179, L. Lutton179, J. Mariano179, N. Marinelli179, I. Mcalister179, T. McCauley179, C. Mcgrady179, C. Moore179, Y. Musienko179,nnnn, H. Nelson179, M. Osherson179, A. Piccinelli179, R. Ruchti179, A. Townsend179, Y. Wan179, M. Wayne179, H. Yockey179, A. Basnet180, M. Carrigan180, R. De Los Santos180, L. S. Durkin180, C. Hill180, M. Joyce180, M. Nunez Ornelas180, D. A. Wenzl180, B. L. Winer180, B. R. Yates180, H. Bouchamaoui181, P. Das181, G. Dezoort181, P. Elmer181, A. Frankenthal181, M. Galli181, B. Greenberg181, N. Haubrich181, K. Kennedy181, G. Kopp181, Y. Lai181, D. Lange181, A. Loeliger181, D. Marlow181, I. Ojalvo181, J. Olsen181, F. Simpson181, D. Stickland181, C. Tully181, S. Malik182, R. Sharma182, S. Chandra183, R. Chawla183, A. Gu183, L. Gutay183, M. Jones183, A. W. Jung183, D. Kondratyev183, M. Liu183, G. Negro183, N. Neumeister183, G. Paspalaki183, S. Piperov183, N. R. Saha183, J. F. Schulte183, F. Wang183, A. Wildridge183, W. Xie183, Y. Yao183, Y. Zhong183, N. Parashar184, A. Pathak184, E. Shumka184, D. Acosta185, A. Agrawal185, C. Arbour185, T. Carnahan185, K. M. Ecklund185, S. Freed185, P. Gardner185, F. J. M. Geurts185, T. Huang185, I. Krommydas185, N. Lewis185, W. Li185, J. Lin185, O. Miguel Colin185, B. P. Padley185, R. Redjimi185, J. Rotter185, E. Yigitbasi185, Y. Zhang185, O. Bessidskaia Bylund186, A. Bodek186, P. de Barbaro186,a, R. Demina186, A. Garcia-Bellido186, H. S. Hare186, O. Hindrichs186, N. Parmar186, P. Parygin186,nnnn, H. Seo186, R. Taus186, B. Chiarito187, J. P. Chou187, S. V. Clark187, S. Donnelly187, D. Gadkari187, Y. Gershtein187, E. Halkiadakis187, M. Heindl187, C. Houghton187, D. Jaroslawski187, A. Kobert187, S. Konstantinou187, I. Laflotte187, A. Lath187, J. Martins187, B. Rand187, J. Reichert187, P. Saha187, S. Salur187, S. Schnetzer187, S. Somalwar187, R. Stone187, S. A. Thayil187, S. Thomas187, J. Vora187, D. Ally188, A. G. Delannoy188, S. Fiorendi188, J. Harris188, T. Holmes188, A. R. Kanuganti188, N. Karunarathna188, J. Lawless188, L. Lee188, E. Nibigira188, B. Skipworth188, S. Spanier188, D. Aebi189, M. Ahmad189, T. Akhter189, K. Androsov189, A. Bolshov189, O. Bouhali189,oooo, A. Cagnotta189, V. D’Amante189, R. Eusebi189, P. Flanagan189, J. Gilmore189, Y. Guo189, T. Kamon189, S. Luo189, R. Mueller189, A. Safonov189, N. Akchurin190, J. Damgov190, Y. Feng190, N. Gogate190, Y. Kazhykarim190, K. Lamichhane190, S. W. Lee190, C. Madrid190, A. Mankel190, T. Peltola190, I. Volobouev190, E. Appelt191, Y. Chen191, S. Greene191, A. Gurrola191, W. Johns191, R. Kunnawalkam Elayavalli191, A. Melo191, D. Rathjens191, F. Romeo191, P. Sheldon191, S. Tuo191, J. Velkovska191, J. Viinikainen191, J. Zhang191, B. Cardwell192, H. Chung192, B. Cox192, J. Hakala192, G. Hamilton Ilha Machado192, R. Hirosky192, M. Jose192, A. Ledovskoy192, C. Mantilla192, C. Neu192, C. Ramón Álvarez192, S. Bhattacharya193, P. E. Karchin193, A. Aravind194, S. Banerjee194, K. Black194, T. Bose194, E. Chavez194, S. Dasu194, P. Everaerts194, C. Galloni194, H. He194, M. Herndon194, A. Herve194, C. K. Koraka194, S. Lomte194, R. Loveless194, A. Mallampalli194, A. Mohammadi194, S. Mondal194, T. Nelson194, G. Parida194, L. Pétré194, D. Pinna194, A. Savin194, V. Shang194, V. Sharma194, W. H. Smith194, D. Teague194, H. F. Tsoi194, W. Vetens194, A. Warden194, S. Afanasiev195, V. Alexakhin195, Yu. Andreev195, T. Aushev195, D. Budkouski195, R. Chistov195,nnnn, M. Danilov195,nnnn, T. Dimova195,nnnn, A. Ershov195,nnnn, S. Gninenko195, I. Gorbunov195, A. Gribushin195,nnnn, A. Kamenev195, V. Karjavine195, M. Kirsanov195, V. Klyukhin195,nnnn, O. Kodolova195,nnnn,pppp, V. Korenkov195, I. Korsakov195, A. Kozyrev195,nnnn, N. Krasnikov195, A. Lanev195, A. Malakhov195, V. Matveev195,nnnn, A. Nikitenko195,pppp,qqqq, V. Palichik195, V. Perelygin195, S. Petrushanko195,nnnn, S. Polikarpov195,nnnn, O. Radchenko195,nnnn, M. Savina195, V. Shalaev195, S. Shmatov195, S. Shulha195, Y. Skovpen195,nnnn, K. Slizhevskiy195, V. Smirnov195, O. Teryaev195, I. Tlisova195,nnnn, A. Toropin195, N. Voytishin195, B. S. Yuldashev195,a,rrrr, A. Zarubin195, I. Zhizhin195, L. Dudko196, K. Ivanov196, V. Kim196,nnnn, V. Murzin196, V. Oreshkin196, D. Sosnov196, E. Boos196, V. Bunichev196, M. Dubinin196,gggg, V. Savrin196, and A. Snigirev196 (CMS Collaboration)

  • 1Yerevan Physics Institute, Yerevan, Armenia
  • 2Institut für Hochenergiephysik, Vienna, Austria
  • 3Universiteit Antwerpen, Antwerpen, Belgium
  • 4Vrije Universiteit Brussel, Brussel, Belgium
  • 5Université Libre de Bruxelles, Bruxelles, Belgium
  • 6Ghent University, Ghent, Belgium
  • 7Université Catholique de Louvain, Louvain-la-Neuve, Belgium
  • 8Centro Brasileiro de Pesquisas Fisicas, Rio de Janeiro, Brazil
  • 9Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
  • 10Universidade Estadual Paulista, Universidade Federal do ABC, São Paulo, Brazil
  • 11Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences, Sofia, Bulgaria
  • 12University of Sofia, Sofia, Bulgaria
  • 13Instituto De Alta Investigación, Universidad de Tarapacá, Casilla 7D, Arica, Chile
  • 14Universidad Tecnica Federico Santa Maria, Valparaiso, Chile
  • 15Beihang University, Beijing, China
  • 16Department of Physics, Tsinghua University, Beijing, China
  • 17Institute of High Energy Physics, Beijing, China
  • 18State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing, China
  • 19State Key Laboratory of Nuclear Physics and Technology, Institute of Quantum Matter, South China Normal University, Guangzhou, China
  • 20Sun Yat-Sen University, Guangzhou, China
  • 21University of Science and Technology of China, Hefei, China
  • 22Nanjing Normal University, Nanjing, China
  • 23Institute of Modern Physics and Key Laboratory of Nuclear Physics and Ion-beam Application (MOE)—Fudan University, Shanghai, China
  • 24Zhejiang University, Hangzhou, Zhejiang, China
  • 25Universidad de Los Andes, Bogota, Colombia
  • 26Universidad de Antioquia, Medellin, Colombia
  • 27University of Split, Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture, Split, Croatia
  • 28University of Split, Faculty of Science, Split, Croatia
  • 29Institute Rudjer Boskovic, Zagreb, Croatia
  • 30University of Cyprus, Nicosia, Cyprus
  • 31Charles University, Prague, Czech Republic
  • 32Escuela Politecnica Nacional, Quito, Ecuador
  • 33Universidad San Francisco de Quito, Quito, Ecuador
  • 34Academy of Scientific Research and Technology of the Arab Republic of Egypt, Egyptian Network of High Energy Physics, Cairo, Egypt
  • 35Center for High Energy Physics (CHEP-FU), Fayoum University, El-Fayoum, Egypt
  • 36National Institute of Chemical Physics and Biophysics, Tallinn, Estonia
  • 37Department of Physics, University of Helsinki, Helsinki, Finland
  • 38Helsinki Institute of Physics, Helsinki, Finland
  • 39Lappeenranta-Lahti University of Technology, Lappeenranta, Finland
  • 40IRFU, CEA, Université Paris-Saclay, Gif-sur-Yvette, France
  • 41Laboratoire Leprince-Ringuet, CNRS/IN2P3, Ecole Polytechnique, Institut Polytechnique de Paris, Palaiseau, France
  • 42Université de Strasbourg, CNRS, IPHC UMR 7178, Strasbourg, France
  • 43Centre de Calcul de l’Institut National de Physique Nucleaire et de Physique des Particules, CNRS/IN2P3, Villeurbanne, France
  • 44Institut de Physique des 2 Infinis de Lyon (IP2I), Villeurbanne, France
  • 45Georgian Technical University, Tbilisi, Georgia
  • 46RWTH Aachen University, I. Physikalisches Institut, Aachen, Germany
  • 47RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany
  • 48RWTH Aachen University, III. Physikalisches Institut B, Aachen, Germany
  • 49Deutsches Elektronen-Synchrotron, Hamburg, Germany
  • 50University of Hamburg, Hamburg, Germany
  • 51Karlsruher Institut fuer Technologie, Karlsruhe, Germany
  • 52Institute of Nuclear and Particle Physics (INPP), NCSR Demokritos, Aghia Paraskevi, Greece
  • 53National and Kapodistrian University of Athens, Athens, Greece
  • 54National Technical University of Athens, Athens, Greece
  • 55University of Ioánnina, Ioánnina, Greece
  • 56HUN-REN Wigner Research Centre for Physics, Budapest, Hungary
  • 57MTA-ELTE Lendület CMS Particle and Nuclear Physics Group, Eötvös Loránd University, Budapest, Hungary
  • 58Faculty of Informatics, University of Debrecen, Debrecen, Hungary
  • 59HUN-REN ATOMKI—Institute of Nuclear Research, Debrecen, Hungary
  • 60Karoly Robert Campus, MATE Institute of Technology, Gyongyos, Hungary
  • 61Panjab University, Chandigarh, India
  • 62University of Delhi, Delhi, India
  • 63University of Hyderabad, Hyderabad, India
  • 64Indian Institute of Technology Kanpur, Kanpur, India
  • 65Saha Institute of Nuclear Physics, HBNI, Kolkata, India
  • 66Indian Institute of Technology Madras, Madras, India
  • 67IISER Mohali, Mohali, India
  • 68Tata Institute of Fundamental Research-A, Mumbai, India
  • 69Tata Institute of Fundamental Research-B, Mumbai, India
  • 70National Institute of Science Education and Research, An OCC of Homi Bhabha National Institute, Bhubaneswar, Odisha, India
  • 71Indian Institute of Science Education and Research (IISER), Pune, India
  • 72Indian Institute of Technology Hyderabad, Telangana, India
  • 73Isfahan University of Technology, Isfahan, Iran
  • 74Institute for Research in Fundamental Sciences (IPM), Tehran, Iran
  • 75University College Dublin, Dublin, Ireland
  • 76aINFN Sezione di Bari, Bari, Italy
  • 76bUniversità di Bari, Bari, Italy
  • 76cPolitecnico di Bari, Bari, Italy
  • 77aINFN Sezione di Bologna, Bologna, Italy
  • 77bUniversità di Bologna, Bologna, Italy
  • 78aINFN Sezione di Catania, Catania, Italy
  • 78bUniversità di Catania, Catania, Italy
  • 79aINFN Sezione di Firenze, Firenze, Italy
  • 79bUniversità di Firenze, Firenze, Italy
  • 80INFN Laboratori Nazionali di Frascati, Frascati, Italy
  • 81aINFN Sezione di Genova, Genova, Italy
  • 81bUniversità di Genova, Genova, Italy
  • 82aINFN Sezione di Milano-Bicocca, Milano, Italy
  • 82bUniversità di Milano-Bicocca, Milano, Italy
  • 83aINFN Sezione di Napoli, Napoli, Italy
  • 83bUniversità di Napoli “Federico II,” Napoli, Italy
  • 83cUniversità della Basilicata, Potenza, Italy
  • 83dScuola Superiore Meridionale (SSM), Napoli, Italy
  • 84aINFN Sezione di Padova, Padova, Italy
  • 84bUniversità di Padova, Padova, Italy
  • 84cUniversita degli Studi di Cagliari, Cagliari, Italy
  • 85aINFN Sezione di Pavia, Pavia, Italy
  • 85bUniversità di Pavia, Pavia, Italy
  • 86aINFN Sezione di Perugia, Perugia, Italy
  • 86bUniversità di Perugia, Perugia, Italy
  • 87aINFN Sezione di Pisa, Pisa, Italy
  • 87bUniversità di Pisa, Pisa, Italy
  • 87cScuola Normale Superiore di Pisa, Pisa, Italy
  • 87dUniversità di Siena, Siena, Italy
  • 88aINFN Sezione di Roma, Roma, Italy
  • 88bSapienza Università di Roma, Roma, Italy
  • 89aINFN Sezione di Torino, Torino, Italy
  • 89bUniversità di Torino, Torino, Italy
  • 89cUniversità del Piemonte Orientale, Novara, Italy
  • 90aINFN Sezione di Trieste, Trieste, Italy
  • 90bUniversità di Trieste, Trieste, Italy
  • 91Kyungpook National University, Daegu, Korea
  • 92Department of Mathematics and Physics—GWNU, Gangneung, Korea
  • 93Chonnam National University, Institute for Universe and Elementary Particles, Kwangju, Korea
  • 94Hanyang University, Seoul, Korea
  • 95Korea University, Seoul, Korea
  • 96Kyung Hee University, Department of Physics, Seoul, Korea
  • 97Sejong University, Seoul, Korea
  • 98Seoul National University, Seoul, Korea
  • 99University of Seoul, Seoul, Korea
  • 100Yonsei University, Department of Physics, Seoul, Korea
  • 101Sungkyunkwan University, Suwon, Korea
  • 102College of Engineering and Technology, American University of the Middle East (AUM), Dasman, Kuwait
  • 103Kuwait University—College of Science—Department of Physics, Safat, Kuwait
  • 104Riga Technical University, Riga, Latvia
  • 105University of Latvia (LU), Riga, Latvia
  • 106Vilnius University, Vilnius, Lithuania
  • 107National Centre for Particle Physics, Universiti Malaya, Kuala Lumpur, Malaysia
  • 108Universidad de Sonora (UNISON), Hermosillo, Mexico
  • 109Centro de Investigacion y de Estudios Avanzados del IPN, Mexico City, Mexico
  • 110Universidad Iberoamericana, Mexico City, Mexico
  • 111Benemerita Universidad Autonoma de Puebla, Puebla, Mexico
  • 112University of Montenegro, Podgorica, Montenegro
  • 113University of Canterbury, Christchurch, New Zealand
  • 114National Centre for Physics, Quaid-I-Azam University, Islamabad, Pakistan
  • 115AGH University of Krakow, Krakow, Poland
  • 116National Centre for Nuclear Research, Swierk, Poland
  • 117Institute of Experimental Physics, Faculty of Physics, University of Warsaw, Warsaw, Poland
  • 118Warsaw University of Technology, Warsaw, Poland
  • 119Laboratório de Instrumentação e Física Experimental de Partículas, Lisboa, Portugal
  • 120Faculty of Physics, University of Belgrade, Belgrade, Serbia
  • 121VINCA Institute of Nuclear Sciences, University of Belgrade, Belgrade, Serbia
  • 122Centro de Investigaciones Energéticas Medioambientales y Tecnológicas (CIEMAT), Madrid, Spain
  • 123Universidad Autónoma de Madrid, Madrid, Spain
  • 124Universidad de Oviedo, Instituto Universitario de Ciencias y Tecnologías Espaciales de Asturias (ICTEA), Oviedo, Spain
  • 125Instituto de Física de Cantabria (IFCA), CSIC-Universidad de Cantabria, Santander, Spain
  • 126University of Colombo, Colombo, Sri Lanka
  • 127University of Ruhuna, Department of Physics, Matara, Sri Lanka
  • 128CERN, European Organization for Nuclear Research, Geneva, Switzerland
  • 129PSI Center for Neutron and Muon Sciences, Villigen, Switzerland
  • 130ETH Zurich—Institute for Particle Physics and Astrophysics (IPA), Zurich, Switzerland
  • 131Universität Zürich, Zurich, Switzerland
  • 132National Central University, Chung-Li, Taiwan
  • 133National Taiwan University (NTU), Taipei, Taiwan
  • 134High Energy Physics Research Unit, Department of Physics, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
  • 135Tunis El Manar University, Tunis, Tunisia
  • 136Çukurova University, Physics Department, Science and Art Faculty, Adana, Turkey
  • 137Middle East Technical University, Physics Department, Ankara, Turkey
  • 138Bogazici University, Istanbul, Turkey
  • 139Istanbul Technical University, Istanbul, Turkey
  • 140Istanbul University, Istanbul, Turkey
  • 141Yildiz Technical University, Istanbul, Turkey
  • 142Institute for Scintillation Materials of National Academy of Science of Ukraine, Kharkiv, Ukraine
  • 143National Science Centre, Kharkiv Institute of Physics and Technology, Kharkiv, Ukraine
  • 144University of Bristol, Bristol, United Kingdom
  • 145Rutherford Appleton Laboratory, Didcot, United Kingdom
  • 146Imperial College, London, United Kingdom
  • 147Brunel University, Uxbridge, United Kingdom
  • 148Baylor University, Waco, Texas, USA
  • 149Bethel University, St. Paul, Minnesota, USA
  • 150Catholic University of America, Washington, DC, USA
  • 151The University of Alabama, Tuscaloosa, Alabama, USA
  • 152Boston University, Boston, Massachusetts, USA
  • 153Brown University, Providence, Rhode Island, USA
  • 154University of California, Davis, Davis, California, USA
  • 155University of California, Los Angeles, California, USA
  • 156University of California, Riverside, Riverside, California, USA
  • 157University of California, San Diego, La Jolla, California, USA
  • 158University of California, Santa Barbara—Department of Physics, Santa Barbara, California, USA
  • 159California Institute of Technology, Pasadena, California, USA
  • 160Carnegie Mellon University, Pittsburgh, Pennsylvania, USA
  • 161University of Colorado Boulder, Boulder, Colorado, USA
  • 162Cornell University, Ithaca, New York, USA
  • 163Fermi National Accelerator Laboratory, Batavia, Illinois, USA
  • 164University of Florida, Gainesville, Florida, USA
  • 165Florida State University, Tallahassee, Florida, USA
  • 166Florida Institute of Technology, Melbourne, Florida, USA
  • 167University of Illinois Chicago, Chicago, Illinois, USA
  • 168The University of Iowa, Iowa City, Iowa, USA
  • 169Johns Hopkins University, Baltimore, Maryland, USA
  • 170The University of Kansas, Lawrence, Kansas, USA
  • 171Kansas State University, Manhattan, Kansas, USA
  • 172University of Maryland, College Park, Maryland, USA
  • 173Massachusetts Institute of Technology, Cambridge, Massachusetts, USA
  • 174University of Minnesota, Minneapolis, Minnesota, USA
  • 175University of Nebraska-Lincoln, Lincoln, Nebraska, USA
  • 176State University of New York at Buffalo, Buffalo, New York, USA
  • 177Northeastern University, Boston, Massachusetts, USA
  • 178Northwestern University, Evanston, Illinois, USA
  • 179University of Notre Dame, Notre Dame, Indiana, USA
  • 180The Ohio State University, Columbus, Ohio, USA
  • 181Princeton University, Princeton, New Jersey, USA
  • 182University of Puerto Rico, Mayaguez, Puerto Rico, USA
  • 183Purdue University, West Lafayette, Indiana, USA
  • 184Purdue University Northwest, Hammond, Indiana, USA
  • 185Rice University, Houston, Texas, USA
  • 186University of Rochester, Rochester, New York, USA
  • 187Rutgers, The State University of New Jersey, Piscataway, New Jersey, USA
  • 188University of Tennessee, Knoxville, Tennessee, USA
  • 189Texas A&M University, College Station, Texas, USA
  • 190Texas Tech University, Lubbock, Texas, USA
  • 191Vanderbilt University, Nashville, Tennessee, USA
  • 192University of Virginia, Charlottesville, Virginia, USA
  • 193Wayne State University, Detroit, Michigan, USA
  • 194University of Wisconsin—Madison, Madison, Wisconsin, USA
  • 195An institute or international laboratory covered by a cooperation agreement with CERN
  • 196An institute formerly covered by a cooperation agreement with CERN

  • *Full author list given at the end of the Letter.
  • aDeceased.
  • bAlso at Yerevan State University, Yerevan, Armenia.
  • cAlso at TU Wien, Vienna, Austria.
  • dAlso at Ghent University, Ghent, Belgium.
  • eAlso at Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil.
  • fAlso at FACAMP—Faculdades de Campinas, Sao Paulo, Brazil.
  • gAlso at Universidade Estadual de Campinas, Campinas, Brazil.
  • hAlso at Federal University of Rio Grande do Sul, Porto Alegre, Brazil.
  • iAlso at The University of the State of Amazonas, Manaus, Brazil.
  • jAlso at University of Chinese Academy of Sciences, Beijing, China.
  • kAlso at China Center of Advanced Science and Technology, Beijing, China.
  • lAlso at School of Physics, Zhengzhou University, Zhengzhou, China.
  • mPresent address: Henan Normal University, Xinxiang, China.
  • nAlso at University of Shanghai for Science and Technology, Shanghai, China.
  • oPresent address: The University of Iowa, Iowa City, Iowa, USA.
  • pAlso at Center for High Energy Physics, Peking University, Beijing, China.
  • qAlso at Cairo University, Cairo, Egypt.
  • rAlso at British University in Egypt, Cairo, Egypt.
  • sPresent address: Ain Shams University, Cairo, Egypt.
  • tAlso at Purdue University, West Lafayette, Indiana, USA.
  • uAlso at Université de Haute Alsace, Mulhouse, France.
  • vAlso at Another institute or international laboratory covered by a cooperation agreement with CERN.
  • wAlso at University of Hamburg, Hamburg, Germany.
  • xAlso at RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany.
  • yAlso at Bergische University Wuppertal (BUW), Wuppertal, Germany.
  • zAlso at Brandenburg University of Technology, Cottbus, Germany.
  • aaAlso at Forschungszentrum Jülich, Juelich, Germany.
  • bbAlso at CERN, European Organization for Nuclear Research, Geneva, Switzerland.
  • ccAlso at HUN-REN ATOMKI—Institute of Nuclear Research, Debrecen, Hungary.
  • ddPresent address: Universitatea Babes-Bolyai—Facultatea de Fizica, Cluj-Napoca, Romania.
  • eeAlso at MTA-ELTE Lendület CMS Particle and Nuclear Physics Group, Eötvös Loránd University, Budapest, Hungary.
  • ffAlso at HUN-REN Wigner Research Centre for Physics, Budapest, Hungary.
  • ggAlso at Physics Department, Faculty of Science, Assiut University, Assiut, Egypt.
  • hhAlso at The University of Kansas, Lawrence, Kansas, USA.
  • iiAlso at Punjab Agricultural University, Ludhiana, India.
  • jjAlso at University of Hyderabad, Hyderabad, India.
  • kkAlso at Indian Institute of Science (IISc), Bangalore, India.
  • llAlso at University of Visva-Bharati, Santiniketan, India.
  • mmAlso at IIT Bhubaneswar, Bhubaneswar, India.
  • nnAlso at Institute of Physics, Bhubaneswar, India.
  • ooAlso at Deutsches Elektronen-Synchrotron, Hamburg, Germany.
  • ppAlso at Isfahan University of Technology, Isfahan, Iran.
  • qqAlso at Sharif University of Technology, Tehran, Iran.
  • rrAlso at Department of Physics, University of Science and Technology of Mazandaran, Behshahr, Iran.
  • ssAlso at Department of Physics, Faculty of Science, Arak University, Arak, Iran.
  • ttAlso at Helwan University, Cairo, Egypt.
  • uuAlso at Italian National Agency for New Technologies, Energy and Sustainable Economic Development, Bologna, Italy.
  • vvAlso at Centro Siciliano di Fisica Nucleare e di Struttura Della Materia, Catania, Italy.
  • wwAlso at Università degli Studi Guglielmo Marconi, Roma, Italy.
  • xxAlso at Scuola Superiore Meridionale, Università di Napoli “Federico II,” Napoli, Italy.
  • yyAlso at Fermi National Accelerator Laboratory, Batavia, Illinois, USA.
  • zzAlso at Lulea University of Technology, Lulea, Sweden.
  • aaaAlso at Consiglio Nazionale delle Ricerche—Istituto Officina dei Materiali, Perugia, Italy.
  • bbbAlso at UPES—University of Petroleum and Energy Studies, Dehradun, India.
  • cccAlso at Institut de Physique des 2 Infinis de Lyon (IP2I), Villeurbanne, France.
  • dddAlso at Department of Applied Physics, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, Bangi, Malaysia.
  • eeeAlso at Trincomalee Campus, Eastern University, Sri Lanka, Nilaveli, Sri Lanka.
  • fffAlso at Saegis Campus, Nugegoda, Sri Lanka.
  • gggAlso at National and Kapodistrian University of Athens, Athens, Greece.
  • hhhAlso at Ecole Polytechnique Fédérale Lausanne, Lausanne, Switzerland.
  • iiiAlso at Universität Zürich, Zurich, Switzerland.
  • jjjAlso at Stefan Meyer Institute for Subatomic Physics, Vienna, Austria.
  • kkkAlso at Near East University, Research Center of Experimental Health Science, Mersin, Turkey.
  • lllAlso at Konya Technical University, Konya, Turkey.
  • mmmAlso at Izmir Bakircay University, Izmir, Turkey.
  • nnnAlso at Adiyaman University, Adiyaman, Turkey.
  • oooAlso at Bozok Universitetesi Rektörlügü, Yozgat, Turkey.
  • pppAlso at Istanbul Sabahattin Zaim University, Istanbul, Turkey.
  • qqqAlso at Marmara University, Istanbul, Turkey.
  • rrrAlso at Milli Savunma University, Istanbul, Turkey.
  • sssAlso at Informatics and Information Security Research Center, Gebze/Kocaeli, Turkey.
  • tttAlso at Kafkas University, Kars, Turkey.
  • uuuPresent address: Istanbul Okan University, Istanbul, Turkey.
  • vvvAlso at Hacettepe University, Ankara, Turkey.
  • wwwAlso at Erzincan Binali Yildirim University, Erzincan, Turkey.
  • xxxAlso at Istanbul University—Cerrahpasa, Faculty of Engineering, Istanbul, Turkey.
  • yyyAlso at Yildiz Technical University, Istanbul, Turkey.
  • zzzAlso at Istinye University, Istanbul, Turkey.
  • aaaaAlso at School of Physics and Astronomy, University of Southampton, Southampton, United Kingdom.
  • bbbbAlso at Monash University, Faculty of Science, Clayton, Australia.
  • ccccAlso at Bethel University, St. Paul, Minnesota, USA.
  • ddddAlso at Università di Torino, Torino, Italy.
  • eeeeAlso at Karamanoğlu Mehmetbey University, Karaman, Turkey.
  • ffffAlso at California Lutheran University;, Thousand Oaks, California, USA.
  • ggggAlso at California Institute of Technology, Pasadena, California, USA.
  • hhhhAlso at United States Naval Academy, Annapolis, Maryland, USA.
  • iiiiAlso at Bingol University, Bingol, Turkey.
  • jjjjAlso at Georgian Technical University, Tbilisi, Georgia.
  • kkkkAlso at Sinop University, Sinop, Turkey.
  • llllAlso at Erciyes University, Kayseri, Turkey.
  • mmmmAlso at Horia Hulubei National Institute of Physics and Nuclear Engineering (IFIN-HH), Bucharest, Romania.
  • nnnnPresent address: Another institute formerly covered by a cooperation agreement with CERN.
  • ooooAlso at Hamad Bin Khalifa University (HBKU), Doha, Qatar.
  • ppppAlso at Yerevan Physics Institute, Yerevan, Armenia.
  • qqqqAlso at Imperial College, London, United Kingdom.
  • rrrrAlso at Institute of Nuclear Physics of the Uzbekistan Academy of Sciences, Tashkent, Uzbekistan.

Phys. Rev. Lett. 137, 141902 – Published 29 September, 2026

DOI: https://doi.org/10.1103/hgvs-jplv

Abstract

The observation of the associated production of an ϒ(1S) meson with a Z boson and a measurement of the ratio of its fiducial cross section to the fiducial cross section of the Z boson are presented. Both the ϒ(1S) meson and the Z boson are identified via decays into a pair of opposite-sign muons. The analysis is based on proton-proton (pp) collision data at s=13  TeV collected with the CMS detector in 2016–2018 and corresponding to an integrated luminosity of 138  fb−1. Using the production of the Z boson decaying into four muons as a normalization channel, the ratio of the fiducial cross sections σ[pp→Z+ϒ(1S)]B(Z→μ+μ−)B[ϒ(1S)→μ+μ−] to σ(pp→Z)B(Z→4μ) is measured to be RZ+ϒ(1S)=[21.1±5.5(stat)±0.6(syst)]×10−3, where stat and syst denote the statistical and systematic uncertainties, respectively. The result is used to extract the effective double-parton scattering cross section σeff=13.0−3.4+7.7  mb. In addition, for the first time, σeff is measured in bins of the transverse momentum of the ϒ(1S) meson or of the Z boson.

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