Observation of the Production of Three Massive Gauge Bosons at sqrt[s]=13 TeV.

A M Sirunyan ,C Brainerd,G Franzoni,A Shtipliyski,A Bragagnolo,K Wichmann,F Romeo,A Snigirev,V Savrin,S Baxter,S Marcellini,M Diamantopoulou,V Mariani,J Dittmann,G De Lentdecker,J Rohlf,R Hirosky,J Monroy,D Pérez Adán,P Rumerio,L Benussi,M Kolosova,T Lange,V Andreev,D Arcaro,T Cheng,L Bianchini,R Loveless,A Vilela Pereira,R Campanini,C Quaranta,A Da Rold,F Ravera,T Klijnsma,A Bellora,P Harris,A Kharchilava,C Charlot,J Lim,E Salama,D Anderson,K Manolopoulos,S Van Putte,L Calligaris,Q Ingram,A Hervé,C Florez,G Petrucciani,C Campagnari,M Shoaib,D D’Enterria,K Mei,A Gottmann,K Klein,P Shukla,D Lincoln,E Di Marco,C Asawatangtrakuldee,S Lowette,V Murzin,J Varela,O Kara,A De Roeck,Yu Andreev,Y Ivanov,H Van Haevermaet,N Neumeister,Y.-J Lee,A Khukhunaishvili,M Preuten,N Srimanobhas,A Ershov,S Abu Zeid,M Zanetti,A Elliott-Peisert,O Cerri,L Wang,I Dutta,J Bechtel,S Undleeb,K Schweiger,C Henderson,S Meola,D Schwarz,A Evans,S Bonomally,E Tcherniaev,T Isidori,J Mijuskovic,A Psallidas,M Górski,P Fackeldey,J Damgov,V Kutzner,J Martins,M Maity,A Saggio,T Kamon,A Kasem,A Pfeiffer,P De Barbaro,A Purohit,R Ulrich,M Gouzevitch,R Sharma,D Zuolo,R Bhattacharya,T Toriashvili,A De Wit,A Litomin,I Ojalvo,F Vazquez Valencia,A Givernaud,A Titterton,D Sosnov,A Lanev,K Gill,I Suarez,I Azhgirey,S Freed,C Tully,D Pinna,W Snoeys,H Stadie,R Kogler,L Favart,O Karacheban,A Zghiche,R Stone,M Baselga,O Hindrichs,D Müller,A Savin,V Smirnov,G Benelli,A Moraes,V Dutta,M Pelliccioni,S Shulha,V Khristenko,R Koppenhöfer,J Buchanan,L Panwar,E Brücken,A Braghieri,E Robutti,R Lipton,A Pérez-Calero Yzquierdo,G Oh,A Steen,K Burkett,E Ranken,T Quast,C Uribe Estrada,F Cavallari,B Mesic,P Baillon,B Kilminster,M Barrio Luna,B Kiani,I Ovtin,M Naseri,F Xia,V Ivanchenko,J Salfeld-Nebgen,M Pieters,I Mikulec,G Krintiras,K Bloom,N Lychkovskaya,M Cremonesi,R Del Burgo,O Kodolova,C Wissing,D Roy,E Manca,J Zhang,A Solano,W Zhang,R Rusack,C West,A Zabi,J Freeman,R Janjam,D Eckstein,M Derdzinski,M Xiao,H Sert,A Di Florio,F Ricci-Tam,A Lanaro,S Gninenko,X Coubez,T James,R Chudasama,H Siikonen,M Dittmar,S Das,E Ayala,Y Maravin,F Siviero,M Shi,P Eerola,R Ryutin,A Santocchia,G Safronov,S Dittmer,T Roy,A Castaneda Hernandez,M Dubinin,W Si,M Goncharov,M Nguyen,M Erdmann,A Staiano,S Pandey,L Brigliadori,W Busza,C Schiber,D Berry,M Hildreth,A Mohammadi,A Hinzmann,J Zobec,M Margoni,J Piedra Gomez,A Apresyan,J Hiltbrand,D Wood,A Kveton,V Daponte,A Dorsett,D Meuser,S Choudhury,A Carle,A Kalogeropoulos,E Belchior Batista Das Chagas,R Saradhy,I Bachiller,W Lin,B Chazin Quero,D Colling,S Viret,C Roskas,M Weber,S Roy Chowdhury,K Tatar,G Karapostoli,A Ivanov,A Melo,T Liu,D Noonan,C Richardson,F Fabozzi,E Laird,A Gurtu,S Chauhan,V Bhatnagar,S Nandan,J Wang,E Coelho,A Rastogi,K Hatakeyama,S Kwan,T Adams,C Veelken,A Byszuk,M Mannelli,J Alcaraz Maestre,H Bakhshiansohi,A Ahmed,S Petrushanko,B Lenzi,F Meijers,Y Go,D Hsu,E Locci,R Wallny,L Torterotot,T Sarkar,T Kello,A Karneyeu,C Willmott,S Breeze,K Salyer,C Albajar,D Tsiakkouri,B Maier,Sa Jain,M Spiropulu,Z Demiragli,R Di Maria,A Reinsvold Hall,W Waltenberger,A David,A Dabrowski,S Wozniewski,K Sumorok,A Canepa,G Della Ricca,S Bianco,P Bloch,T R Fernandez Perez Tomei,V Cherepanov,P Priyanka,E Gallo,H Kirschenmann,R Granier De Cassagnac,G Falmagne,E Boos,K Rabbertz,M Deile,R Potenza,N Daci,I Smirnov,L Valencia Palomo,K Lannon,S Sanders,A De Cosa,B Pavlov,A Kaur,B Stieger,P Busson,I De Bruyn,A Benecke,C Paus,L Finco,A.-C Le Bihan,O Amram,D Menasce,D Winterbottom,E De La Cruz-Burelo,C Schwanenberger,S Hagopian,A Ruiz-Jimeno,W De Boer,M Ö Sahin,Y Onel,K Lipka,P Van Hove,C Zorbilmez,A Castro,I Babounikau,P Schleper,M Mulders,B Clerbaux,P Kyberd,A Di Pilato,M Olszewski,S Cometti,B Marzocchi,Sh Jain,J Incandela,A Zhang,G Mocellin,G Flügge,A Vorobyev,A Saibel,B Caraway,Z Zolkapli,R Tramontano,S Guts,Ö Özçelik,K Pedro,B De La Cruz,S Sekmen,S May,A Perloff,Z Tu,M Rahmani,J Hauser,N Voytishin,K Manitara,R Covarelli,A Vartak,Y T Duh,A Carvalho Antunes De Oliveira,C Oropeza Barrera,G Saha,M Dordevic,K Sung,R Bartek,R Erbacher,W Li,P Van Mulders,C Ramón Álvarez,S Bein,K Kaadze,C Reissel,J Chu,C Fallon,P Kalbhor,C Schäfer,M Missiroli,R Klanner,V Monaco,S Templ,O Davignon,F Hartmann,C Cosby,K Kothekar,Y Choi,S Ragazzi,S Belforte,B Bylsma,N Shafiei,F Rebassoo,P Thapa,M Galanti,S Konstantinou,M Zarucki,W Lohmann,A Cappati,J.-M Brom,D Walter,T Hebbeker,A Vagnerini,J Fay,M Costa,A Bornheim,P Janot,H Nogima,A.-M Magnan,C Lindsey,J Thomas-Wilsker,G Bagliesi,G Mandorli,Z Gecse,H Lee,L Caminada,A Agapitos,O Kukral,A Morelos Pineda,E Tuominen,C Flores,P Kontaxakis,N Postiau,J Erö,P Everaerts,L Scodellaro,V Re,J Mejia Guisao,I Volobouev,T Peltola,A Penzo,N Haubrich,A Rizzi,T Chwalek,A Richards,Th Müller,C Mclean,G Steinbrück,T Camporesi,I.-A Melzer-Pellmann,M Lu,C Riccardi,E Asilar,F De Guio,V Borchsh,L Lyons,S Albergo,K Mohrman,G Quast,B Kaynak,A Grebenyuk,K Wong,J Alimena,F Nemes,I Vila,D Soldi,G Iles,R Frühwirth,A Delgado,O Rieger,A Macchiolo,B Kim,L Apanasevich,M Bartók,P Moisenz,P Schütze,R Aggleton,G Paspalaki,U Sarica,S Gascon,M Paulini,S Banerjee,M Dobson,C Foudas,S Braibant-Giacomelli,A Zacharopoulou,J Strologas,J Cuevas,F Fiori,B Tali,Y Komurcu,S Kyriacou,K Dilsiz,M Monteno,G Pivovarov,J Madhusudanan Sreekala,N De Filippis,G Strong,C Galloni,C Neu,F Blekman,C Fangmeier,S Lo Meo,T Niknejad,B Klima,H Sakulin,M Teklishyn,Y Otarid,S Schnetzer,B Dorney,M Della Negra,H Wang,F Palla,S Mukherjee,P Vischia,Z Wu,S Cho,H El Mamouni,I Gorbunov,N Parashar,K Androsov,H Keller,N Vanegas Arbelaez,A Akpinar,S Moortgat,M Kirakosyan,G Sultanov,P Kokkas,T Lenz,U Sarkar,F Iemmi,P Mal,M Tosi,B Greenberg,J Gilmore,A Korytov,E Monteil,E Barberis,N Lu,M Gallinaro,S Orfanelli,J Almond,A Rose,F Torres Da Silva De Araujo,M Gul,S Calzaferri,E Scott,J Lykken,A Belloni,L Forthomme,F Ferri,C Aruta,D Taylor,G Correia Silva,K Shi,H Liao,A Levin,S Wang,M Jones,N Menendez,N Poudyal,K Shchelina,S Kudella,T Aushev,J Li,F Aydogmus Sen,W Elmetenawee,P Siddireddy,P Zotto,W Sun,E Carrera Jarrin,M Bachtis,P Gunnellini,B Mcmaster,P Major,O Pooth,S Lee,B Fischer,A Babaev,A Lesauvage,S Brandt,B Hong,M Misheva,L Gutay,A Tiko,S Piperov,A Trapote,C Roland,D Teague,R Cousins,A Di Mattia,M Vander Donckt,A Tapper,N Tosi,W Haj Ahmad,T Gunter,P Meridiani,N Dupont,A Di Francesco,A Beretvas,P Iaydjiev,G Abbiendi,J Pilot,L Hay,E Starling,C Vander Velde,B Asavapibhop,A Parker,D Barney,M Menichelli,P Bargassa,A Safonov,D Fiorina,M Joyce,A Meyer,L Pape,I Marchesini,E Schmitz,I Heredia-De La Cruz,N Amin,A Skuja,S Damarseckin,A Giraldi,M Kilpatrick,C Grimault,C Chen,M Aldaya Martin,M Schönenberger,B Wang,V Kumar,T Geralis,S Sánchez Navas,J Duarte Campderros,R Uniyal,J Sturdy,C Hensel,W Adam,A Ghezzi,U Langenegger,F Golf,O Baron,P Rebello Teles,J Fulcher,M Haranko,K Long,J Steggemann,P Musella,C Caputo,S Wertz,A Florent,J Williams,T Williams,M Gola,A Cabrera,H Delannoy,K Mazumdar,L Kreczko,N Tyurin,G Roland,M Rieger,V Perovic,M De Palma,S Bologna,J Mousa,O Hlushchenko,A Petrov,S Sarkar,R Khurana,D Bonacorsi,D Brunner,A Baden,G Bakas,J Hegeman,M Wayne,S Cittolin,V Jha,P Verwilligen,D Stickland,M Selvaggi,D Brzhechko,A Tricomi,K Borras,K Matchev,J.-C Fontaine,F Couderc,A Loeliger,G Bencze,R Chistov,A Droll,G Auzinger,E Gülmez,T Mulholland,N Varelas,S Donato,S Nuzzo,M Velasco,V Okhotnikov,M Quinnan,T Rohe,M Melo De Almeida,G Funk,D Ciangottini,J Keaveney,A Lotfy,A Sarkar,A Álvarez Fernández,B Vormwald,C Biino,G Madigan,L Perrozzi,R Taus,A Wisecarver,D Del Re,F Brivio,M Giffels,S Zaleski,M Kirsanov,M Casarsa,S Bhowmik,A Escalante Del Valle,A Dierlamm,P Palit,Sandra S Padula,A.-M Lyon,D Hamilton,E Butz,L Giannini,A Kalinowski,A Volkov,M Pierini,P Katsoulis,M Szleper,A Gelmi,M Osherson,J Kieseler,M Medina Jaime,D Valsecchi,L Didukh,S Mrenna,R Ruchti,A Delgado Peris,M Sun,A Bodek,A Cardini,T Boccali,E Vlasov,S Grünendahl,R Cavanaugh,P De Castro Manzano,S Obraztsov,D Petyt,D Saltzberg,N Strobbe,G Latino,M Shopova,C Amendola,S Leontsinis,S Wuyckens,V Petrov,A Uzunian,W Ji,N Van Remortel,L Dudko,V Myronenko,M Liu,T Reis,T Lampén,S Beauceron,I Lokhtin,M Bonanomi,C Nicolaou,G Gavrilov,E Longo,M Heindl,I Papavergou,I Papakrivopoulos,R Reyes-Almanza,A Fröhlich,A Kayis Topaksu,P Salvini,A Rane,D Teyssier,R Clare,M D’Alfonso,A Gandrakota,G Pugliese,B Blumenfeld,A Scribano,J Schwandt,R.-S Lu,Y Sirois,M Stoye,B Stone,A Kapoor,A Karavdina,M Naimuddin,N Deelen,G Gomez Ceballos,J Seixas,O Charaf,V Shang,T Schuh,S Turkcapar,L Pacher,S Troshin,B Jayatilaka,C Mcginn,G Mitselmakher,V Karimäki,M Schröder,N Emriskova,R Bhandari,G Kole,S Tuo,C Rogan,D Gigi,L Russo,S Carrillo Moreno,N Loukas,T Rovelli,H Rejeb Sfar,D Kim,D Dobur,I Papadopoulos,A Nigamova,R Eusebi,C Grab,S Narayanan,A Beschi,J Suarez Gonzalez,L Corcodilos,Z Zhang,H Seo,S Dugad,D Schäfer,M Pieri,D Guerrero,M Bharti,S Wiedenbeck,J Alison,V Karjavine,K Vellidis,S Lehti,R Salvatico,R Breedon,C Martin Perez,G Tsipolitis,K Ehataht,J Rorie,I Khvastunov,R Hadjiiska,M Meyer,S Tkaczyk,M Metzler,A Nowack,M Kadastik,A Soha,J Conway,U Hussain,S Dasu,Z Liu,C Adloff,D Pellett,U Heintz,T Mitchell,S Karmakar,B Bilki,G Karathanasis,P Chang,N Demaria,S Mersi,S Greene,Y Ban,A Albert,S Kurz,K Doroba,M Niedziela,Y Zhang,A Buccilli,J Eysermans,J Roberts,G Hanson,R Mulargia,C Rovelli,E Palencia Cortezon,G Ramirez-Sanchez,E Gottschalk,V Scheurer,C Mantilla,M Kovac,A Khan,K Hurtado Anampa,I Golutvin,E Sexton-Kennedy,P Das,C Grandi,T Bose,J Luo,H Jung,M Verweij,A Bermúdez Martínez,A Schmidt,M Ruspa,V Bertacchi,F Ptochos,A Iuzhakov,S Harper,A Bocci,S Costa,S Wuchterl,Q Li,Z Wang,P Van Mechelen,T Tabarelli De Fatis,W Fang,M Dragicevic,S Mitra,M Swartz,F Santanastasio,Y Wang,F Boran,J Rauser,H Becerril Gonzalez,D Gastler,G Dissertori,R Conway,S Rahatlou,F Legger,A Mestvirishvili,M Guthoff,Y Roh,P Gras,D Lelas,N Manthos,R Habibullah,I Kucher,M Delcourt,E Adams,D Stuart,A Savoy-Navarro,F Gasparini,H Acharya,A Nikitenko,M Mohammadi Najafabadi,A Fanfani,K De Leo,S Summers,A Morton,C Mariotti,N Mccoll,P Kumari,K Yi,G Negro,M Abbrescia,S Tekten,G Ortona,M Ince,S Afanasiev,D Contardo,S Jabeen,M Alhusseini,M Lethuillier,V Veckalns,N Bacchetta,I Katkov,S Muthumuni,L Guiducci,T Kress,M Van De Klundert,A Manousakis-Katsikakis,L Romero,R Patel,L Soffi,J Goh,R Pradhan,S Ko,S Bhattacharya,W Van Doninck,K Uchida,H Qu,O Kaya,M Hohlmann,F Ferro,S Lezki,S Luo,N Faltermann,F Vazzoler,J De Clercq,D Di Croce,M Toms,P Gianneios,G Dezoort,E Vourliotis,E Auffray,P Bortignon,P Zalewski,B Galinhas,A Ioannou,S Fonseca De Souza,P Depasse,D Rabady,F Beaudette,M Citron,A Venturi,A Malakhov,P Paganini,D Moran,A Massironi,C Bernet,M Cepeda,G Majumder,L Moureaux,J Park,S Cooperstein,H Zhang,K Flöh,I Zoi,C Mironov,L Skinnari,E Fontanesi,M Huwiler,A Popov,L Mirabito,V Matveev,N Manganelli,L Benato,M Wolf,K Burt,M Ignatenko,Q Python,S Stoynev,R Kinnunen,A Zhokin,Q Hassan,K Padeken,I Pedraza,M Rovere,A Roy,R Bellan,S Ganjour,V Papadimitriou,A Woodard,J Richman,V Gavrilov,J Goldstein,J Tao,D Hits,E Appelt,O Toldaiev,A Whitbeck,D Leggat,J Ngadiuba,L Taylor,M Voutilainen,Y Lee,B Diab,P Lariccia,S Butalla,Y Kubota,T Dreyer,L Litov,J Taylor,S Taroni,H Kwon,J Berryhill,T Ferbel,H Reithler,L Gouskos,M Kaya,N Odell,W Xie,B Burkle,B Rossi,C Snyder,S Ha,K Mondal,M Cerrada,H Saka,P David,R Band,T Mishra,M Meschini,A Brinkerhoff,T Sakuma,M Sharan,A Perrotta,D Creanza,B Marsh,W Ko,S Tosi,V Ciulli,P Govoni,R Paramatti,J Lewis,A Dimitrov,A Pozdnyakov,K El Morabit,S Bheesette,A Bundock,M Guchait,G Tonelli,N Chernyavskaya,M Merschmeyer,M Meena,P Traczyk,V Blinov,I Neutelings,M Spanring,Y Chen,A Jofrehei,A Hortiangtham,M Lohan,E Bossini,J Roemer,S Spanier,U Kiminsu,I Dremin,S Hasegawa,A Geiser,N Akchurin,L Wezenbeek,A Juodagalvis,C Lange,A Tumasyan,C Baldenegro Barrera,A Ahmad,S Sen,I Iashvili,N Schroeder,Y Jeong,I Mcalister,J.-L Agram,S Thakur,G Karapinar,M Verzetti,G Bourgatte,A Dominguez,L Thomas,L Mastrolorenzo,W Tabb,F Zhang,A Stakia,E Garutti,N Cartiglia,C Hill,D Tlisov,C Heidecker,E Bhal,T Eichhorn,S Sharma,F Cetorelli,S Mallios,M Tripathi,Z Lesko,B Kansal,L Ceard,M Narain,J Viinikainen,D Denegri,S Oliveros,E Halkiadakis,Y Kim,H Qiu,S Chenarani,R Seidita,I Bayshev,S Bansal,S Paramesvaran,M Bonchev,P Petkov,K Maeshima,H Rykaczewski,H Lattaud,S Polikarpov,F Fienga,C Schwick,C Dozen,N Bartosik,T Reitenspiess,F Chlebana,A Reimers,B Boimska,W Lustermann,J Velkovska,D Gelé,D Bhowmik,W Verbeke,M Stojanovic,M Waqas,A Bean,X Niu,V O’Dell,I Yoon,E Tiras,N Pastrone,R Carlin,S Malhotra,S Maier,D Sperka,Y Cheng,D Eliseev,M Mulhearn,S Folgueras,J Karancsi,P Capiluppi,G Selvaggi,C Kleinwort,G Rauco,V Klyukhin,E Focardi,P Vanlaer,S Higginbotham,J King,B Francis,M Tadel,A Raspereza,L Borgonovi,M Ressegotti,S Nabili,G Perrin,A Lefeld,P Elmer,T Lindén,P Sheldon,D Beghin,F Matorras,A Mallampalli,A Boletti,J D’Hondt,D Bourilkov,L Gray,P Piroué,P Dini,P Luukka,P Azzurri,P Berger,R Salerno,P Asenov,C Smith,D Abercrombie,Q Guo,L Orsini,D Spiga,P Faccioli,W Shi,I Vai,V Nguyen,R Goldouzian,M Albrow,F Ligabue,J Bueghly,N Krammer,K Liyanage,Y Mao,G Fedi,K Sandeep,D Burns,D Piccolo,P Millet,C Delaere,S Thomas,J Letts,R Shevchenko,A Taliercio,A Gribushin,S Ahuja,C Ochando,A Kamenev,D Song,A Panagiotou,J Baechler,A Martelli,A Sharma,S Wimpenny,J Borg,R Xiao,G Boudoul,M Wang,A Messineo,X Gao,Y Takahashi,C Palmer,F Feindt,S Jindariani,E Migliore,T Ruggles,S Xie,S Padhi,J Nash,M Rodozov,V Ciriolo,D Konstantinov,N Amapane,A Giassi,A Giammanco,O Surányi,T Tuuva,A Nayak,N Sur,R Horisberger,H Tholen,A Mussgiller,M Schnepf,Q Wang,R Dell’Orso,D Dutta,M Murray,N Marinelli,S Keshri,F Fallavollita,S Norberg,S Dildick,A Ebrahimi,Y Iiyama,C Mills,N Wardle,A García Alonso,I Kravchenko,J Niedziela,N Dhingra,M Raidal,R Aly,D Fasanella,L Malgeri,M Gavrilenko,M Seidel,C Civinini,P Keicher,J Lidrych,J Strait,J Tuominiemi,M Radziej,M Yalvac,W Erdmann,O Evdokimov,M Revering,P Robmann,X Wang,D Pitzl,J Schulz,E Olaiya,N Pastika,W.-S Hou,J Knolle,S Buontempo,X Lyu,A Terkulov,I Shvetsov,M Teroerde,S Mondal,V Botta,G Davies,J Sonneveld,M Donegà,L Viliani,Z Tsamalaidze,W Funk,T Diotalevi,R Ceccarelli,U Goerlach,P Asmuss,B Krikler,R Mankel,L Grzanka,N Dev,A Wightman,P Checchia,P Wittich,T Ferguson,C Wöhrmann,A Yagil,K Lamichhane,L Layer,R Castaldi,I Laflotte,S Baur,R Bucci,J Kim,G Vesztergombi,V Oreshkin,A Triossi,A Campbell,S Somalwar,V Cepaitis,V Hegde,B R Yates ,S W Lee ,M M Defranchis ,M Déjardin ,E M Gregores ,R M Brown ,T A Gómez Espinosa ,M A Mahmoud ,C H Shepherd-Themistocleous ,P C Bhat ,N V Tran ,G M Dallavalle ,Ryan Mueller ,I S Donertas ,B L Winer ,F Dölek ,Peter R Hobson ,S Sánchez Cruz ,H Oğul ,Minseok Oh ,I A Cali ,J F Benitez ,B W Allen ,C Işik ,B C Choudhary ,M I Josa ,V Milošević ,Wing Yan Wong ,L A T Bauerdick ,J R Komaragiri ,S M Silva Do Amaral ,B M Joshi ,T W Wang ,P D Luckey ,J B Sauvan ,R M Chatterjee ,Jun‐Ho Choi ,S P Ratti ,M Lipiński ,J R Vlimant ,D Ferenček ,D H Zhu ,C K Mackay ,J K Heikkilä ,W J Spalding ,Federica Maria Simone ,M K 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Ranjan,L Fiore,B Kailasapathy,G Barbagli,V Valuev,Z Chen,R Arcidiacono,N Chanon,A Gurrola,D Savoiu,K Skovpen,M Hu,R Walsh,S Malik,S Chatterjee,B Roozbahani,J Roskes,K Stenson,L Teodorescu,B Cardwell,K Naskar,T Berger,M Malberti,L Kardapoltsev,P Ronchese,B Grynyov,K Mandal,T Rodrigo,G Eckerlin,D Acosta,F Errico,T Tedeschi,P Lecoq,K Theofilatos,G Organtini,D Abbaneo,S Khalil,M Gruchala,D Cussans,X Chen,T Aziz,D Bisello,S Dutta,R Bi,M Hadley,M Bozzo,I Yu,C Pistone,V Perelygin,M Vit,E Paganis,Y Wen,J Flix,M Olmedo Negrete,T Lam,J Dolen

doi:10.1103/physrevlett.125.151802

Abstract

The first observation is reported of the combined production of three massive gauge bosons (VVV with V=W, Z) in proton-proton collisions at a center-of-mass energy of 13TeV. The analysis is based on a data sample recorded by the CMS experiment at the CERN LHC corresponding to an integrated luminosity of 137 fb^{-1}. The searches for individual WWW, WWZ, WZZ, and ZZZ production are performed in final states with three, four, five, and six leptons (electrons or muons), or with two same-sign leptons plus one or two jets. The observed (expected) significance of the combined VVV production signal is 5.7 (5.9) standard deviations and the corresponding measured cross section relative to the standard model prediction is 1.02_{-0.23}^{+0.26}. The significances of the individual WWW and WWZ production are 3.3 and 3.4 standard deviations, respectively. Measured production cross sections for the individual triboson processes are also reported.

Highlights

The first observation is reported of the combined production of three massive gauge bosons (VVV with V 1⁄4 W, Z) in proton-proton collisions at a center-of-mass energy of 13 TeV
The production of three massive gauge bosons VVV (V 1⁄4 W, Z) in high energy proton-proton collisions is interesting because the standard model (SM) predictions for these processes involve the non-Abelian character of the theory [1]
If physics beyond the SM is present at mass scales not far above 1 TeV, cross section measurements for triple gauge boson production might deviate from SM predictions [4,5,6,7]

Summary

ZZ tWZ

Background and the second one to separate the signal from the rest of the background In the most sensitive signal regions, approximately one third of the VVV events come from VH production. The measured signal strengths, obtained in the asymptotic approximation of the CLs method [61], correspond to the total cross sections listed in Table I; leptonic branching fractions for W and Z decays come from Ref.

Signal strength μ

Findings

Background