Measurement of the cross section of top quark-antiquark pair production in association with a W boson in proton-proton collisions at sqrt{s} = 13 TeV

A Tumasyan,W Adam,T Bergauer,S Chatterjee,K Damanakis,M Dragicevic,A Escalante Del Valle,P S Hussain,M Jeitler,N Krammer,L Lechner,D Liko,I Mikulec,P Paulitsch,F M Pitters,J Schieck,R Schöfbeck,D Schwarz,S Templ,W Waltenberger,M R Darwish,T Kello,H Rejeb Sfar,P Van Mechelen,E S Bols,J D’Hondt,A De Moor,M Delcourt,S Lowette,S Moortgat,A Morton,D Müller,S Tavernier,W Van Doninck,D Vannerom,B Clerbaux,G De Lentdecker,L Favart,D Hohov,J Jaramillo,K Lee,M Mahdavikhorrami,I Makarenko,A Malara,L Pétré,N Postiau,E Starling,L Thomas,M Vanden Bemden,C Vander Velde,P Vanlaer,D Dobur,J Knolle,G Mestdach,M Niedziela,C Rendón,C Roskas,A Samalan,K Skovpen,M Tytgat,B Vermassen,L Wezenbeek,A Benecke,G Bruno,F Bury,C Caputo,P David,C Delaere,I S Donertas,A Giammanco,K Mondal,J Prisciandaro,A Taliercio,P Vischia,S Wertz,G A Alves,E Coelho,C Hensel,A Moraes,P Rebello Teles,W L Aldá Júnior,M Barroso Ferreira Filho,W Carvalho,J Chinellato,E M Da Costa,G G Da Silveira,D De Jesus Damiao,V Dos Santos Sousa,S Fonseca De Souza,J Martins,C Mora Herrera,K Mota Amarilo,L Mundim,H Nogima,A Santoro,S M Silva Do Amaral,A Sznajder,M Thiel,F Torres Da Silva De Araujo,A Vilela Pereira,C A Bernardes,L Calligaris,T R Fernandez Perez Tomei,E M Gregores,P G Mercadante,S F Novaes,Sandra S Padula,A Aleksandrov,G Antchev,R Hadjiiska,P Iaydjiev,M Misheva,M Rodozov,M Shopova,G Sultanov,A Dimitrov,T Ivanov,L Litov,B Pavlov,P Petkov,A Petrov,E Shumka,S Thakur,T Cheng,T Javaid,M Mittal,M Ahmad,G Bauer,Z Hu,S Lezki,K Yi,G M Chen,F Iemmi,C H Jiang,A Kapoor,H Kou,H Liao,Z.-A Liu,F Monti,R Sharma,J Tao,J Thomas-Wilsker,J Wang,J Zhao,A Agapitos,Y Ban,C Chen,A Levin,C Li,X Lyu,Y Mao,S J Qian,X Sun,D Wang,J Xiao,H Yang,M Lu,X Gao,D Leggat,H Okawa,Y Zhang,Z Lin,M Xiao,A Cabrera,C Florez,J Fraga,J Mejia Guisao,J D Ruiz Alvarez,D Lelas,I Puljak,M Kovac,T Sculac,B K Chitroda,D Majumder,A Starodumov,A Attikis,K Christoforou,M Kolosova,S Konstantinou,J Mousa,C Nicolaou,F Ptochos,P A Razis,H Rykaczewski,H Saka,M Finger,M Finger,A Kveton,E Ayala,E Carrera Jarrin,Y Assran,A Lotfy,M A Mahmoud,S Bhowmik,K Ehataht,M Kadastik,T Lange,S Nandan,C Nielsen,J Pata,M Raidal,C Veelken,P Eerola,H Kirschenmann,M Voutilainen,S Bharthuar,E Brücken,J Havukainen,R Kinnunen,T Lampén,K Lassila-Perini,S Lehti,T Lindén,L Martikainen,J Ott,M M Rantanen,H Siikonen,E Tuominen,J Tuominiemi,P Luukka,H Petrow,T Tuuva,C Amendola,F Couderc,D Denegri,J L Faure,F Ferri,S Ganjour,P Gras,P Jarry,V Lohezic,J Rander,A Rosowsky,A Savoy-Navarro,P Simkina,M Titov,C Baldenegro Barrera,F Beaudette,A Buchot Perraguin,P Busson,A Cappati,C Charlot,O Davignon,B Diab,G Falmagne,B A Fontana Santos Alves,S Ghosh,R Granier De Cassagnac,A Hakimi,B Harikrishnan,G Liu,M Nguyen,C Ochando,L Portales,R Salerno,U Sarkar,J B Sauvan,Y Sirois,E Vernazza,A Zabi,A Zghiche,J.-L Agram,D Apparu,G Bourgatte,J.-M Brom,C Collard,D Darej,U Goerlach,C Grimault,A.-C Le Bihan,P Van Hove,S Beauceron,C Bernet,B Blancon,G Boudoul,A Carle,N Chanon,J Choi,D Contardo,P Depasse,C Dozen,H El Mamouni,J Fay,S Gascon,M Gouzevitch,G Grenier,B Ille,I B Laktineh,M Lethuillier,L Mirabito,L Torterotot,M Vander Donckt,P Verdier,S Viret,I Bagaturia,I Lomidze,Z Tsamalaidze,V Botta,K Klein,D Meuser,A Pauls,N Röwert,M Teroerde,S Diekmann,A Dodonova,N Eich,D Eliseev,M Erdmann,P Fackeldey,D Fasanella,B Fischer,T Hebbeker,F Ivone,M Y Lee,L Mastrolorenzo,M Merschmeyer,A Meyer,S Mondal,S Mukherjee,D Noll,F Nowotny,A Pozdnyakov,Y Rath,W Redjeb,H Reithler,A Schmidt,S C Schuler,A Sharma,S Wiedenbeck,S Zaleski,C Dziwok,G Flügge,W Haj Ahmad,O Hlushchenko,T Kress,A Nowack,O Pooth,A Stahl,T Ziemons,M Aldaya Martin,P Asmuss,S Baxter,O Behnke,A Bermúdez Martínez,S Bhattacharya,A A Bin Anuar,F Blekman,K Borras,D Brunner,A Campbell,A Cardini,C Cheng,G Correia Silva,M De Silva,L Didukh,G Eckerlin,D Eckstein,L I Estevez Banos,E Gallo,A Geiser,A Giraldi,G Greau,A Grohsjean,V Guglielmi,M Guthoff,A Jafari,N Z Jomhari,B Kaech,A Kasem,M Kasemann,H Kaveh,C Kleinwort,R Kogler,M Komm,D Krücker,W 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Kwon ,A Novák ,B B Tannenwald ,Ian Reed ,Andreas Bernhard Meyer ,Ziheng Chen ,Ralf Florian Von Cube ,J Malclès ,Sascha Pascal Liechti ,Austin Townsend ,Hevjin Yarar ,Christina Wang ,M Calderón De La Barca Sánchez ,F Pauß ,Diwakar Vats ,Grace Haza ,Sung Won Lee ,Е Говоркова ,S Dubé ,F Siklér ,Hannsjoerg Artur Weber ,Diego Andres Barbosa Trujillo ,E Eşkut ,Byung Hun Oh ,Daria Selivanova ,Simranjit Singh Chhibra ,N Godinović ,J Kašpar ,Ioannis Bestintzanos ,Antônio Rossi ,V Rodŕıguez Bouza ,Sitong An ,A Calderón ,Evan Koenig ,D Leyva Pernía ,Saptaparna Bhattacharya ,J Fernández Menéndez ,N Béni ,Raghav Kansal ,Ashish Sehrawat ,Haneol Lee ,A Rácz ,Ž Antunović ,Alexander Zotz ,S Özkorucuklu ,J S Bonilla ,K M Black ,Y Güler ,Farouk Mokhtar ,Eric Wayne Vaandering ,M Grünewald ,Bianca Sofia Pinolini ,D Kotliński ,David Gabriel Monk ,S Gianì ,R E Schmitz ,S Argirò ,V Brigljević ,B Işıldak ,Claudia-Elisabeth Wulz ,Yuan Li ,D Blöch ,N Norjoharuddeen ,T R Holmes ,Subash Chandra Behera ,D Ćutts 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Pisano ,T Šuša ,Krisztián Farkas ,M M Mieskolainen ,M Lipiński ,Eric Christian Chabert ,Mehmet Özgür Sahin ,M Roguljić ,C Lü ,Р Тенчини ,B Ujvári ,Andy Parker ,Arun Kumar ,F Dölek ,F Nessi‐Tedaldi ,J S Wilson ,Hardik Routray ,J Milošević ,Kin Ho Lo ,Pablo Matorras Cuevas ,Yen-Jie Lee ,M Déjardin ,S Consuegra Rodŕıguez ,Guillermo Reales Gutiérrez ,Thea Klaeboe Aarrestad ,Lloyd Stanley Durkin ,Michael Benjamin Andrews ,D Horváth ,В Макаренко ,R Venditti,P Verwilligen,G Abbiendi,C Battilana,D Bonacorsi,L Borgonovi,L Brigliadori,R Campanini,P Capiluppi,A Castro,F R Cavallo,M Cuffiani,G M Dallavalle,T Diotalevi,F Fabbri,A Fanfani,P Giacomelli,L Giommi,C Grandi,L Guiducci,S Lo Meo,S Marcellini,G Masetti,F L Navarria,A Perrotta,F Primavera,T Rovelli,G P Siroli,S Costa,A Di Mattia,R Potenza,A Tricomi,G Barbagli,G Bardelli,B Camaiani,R Ceccarelli,V Ciulli,C Civinini,R D’Alessandro,E Focardi,G Latino,P Lenzi,M Lizzo,M Meschini,S Paoletti,R Seidita,G Sguazzoni,L Viliani,L Benussi,S Bianco,S 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S Lee,S K Park,J Yoo,J Goh,H S Kim,Y Kim,S Lee,J Almond,J H Bhyun,S Jeon,J S Kim,S Ko,H Kwon,S B Oh,H Seo,U K Yang,I Yoon,W Jang,Y Kang,D Kim,S Kim,B Ko,Y Lee,J A Merlin,I C Park,Y Roh,D Song,I J Watson,S Yang,S Ha,H D Yoo,M Choi,I Yu,Y Maghrbi,K Dreimanis,M Seidel,V Veckalns,M Ambrozas,A Carvalho Antunes De Oliveira,A Juodagalvis,S Y Hoh,I Yusuff,Z Zolkapli,J F Benitez,A Castaneda Hernandez,J A Murillo Quijada,L Valencia Palomo,G Ayala,I Heredia-De La Cruz,C A Mondragon Herrera,D A Perez Navarro,C Oropeza Barrera,F Vazquez Valencia,C Uribe Estrada,I Bubanja,J Mijuskovic,A Ahmad,M I Asghar,A Awais,M I M Awan,M Gul,H R Hoorani,W A Khan,M Shoaib,M Waqas,V Avati,L Grzanka,M Bluj,B Boimska,M Górski,M Kazana,M Szleper,P Zalewski,K Doroba,A Kalinowski,M Konecki,M Araujo,P Bargassa,D Bastos,A Boletti,P Faccioli,M Gallinaro,J Hollar,N Leonardo,T Niknejad,J Seixas,J Varela,M Dordevic,J Alcaraz Maestre,A Álvarez Fernández,M Barrio Luna,C A Carrillo Montoya,M Cepeda,M Cerrada,N Colino,B De La 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doi:10.1007/jhep07(2023)219

Abstract

The production of a top quark-antiquark pair in association with a W boson ( textrm{t}overline{textrm{t}}textrm{W} ) is measured in proton-proton collisions at a center-of-mass energy of 13 TeV. The analyzed data was recorded by the CMS experiment at the CERN LHC and corresponds to an integrated luminosity of 138 fb−1. Events with two or three leptons (electrons and muons) and additional jets are selected. In events with two leptons, a multiclass neural network is used to distinguish between the signal and background processes. Events with three leptons are categorized based on the number of jets and of jets originating from b quark hadronization, and the lepton charges. The inclusive textrm{t}overline{textrm{t}}textrm{W} production cross section in the full phase space is measured to be 868 ± 40(stat) ± 51(syst) fb. The textrm{t}overline{textrm{t}}textrm{W} + and textrm{t}overline{textrm{t}}textrm{W} − cross sections are also measured as 553 ± 30(stat) ± 30(syst) and 343 ± 26(stat) ± 25(syst) fb, respectively, and the corresponding ratio of the two cross sections is found to be 1.61pm 0.15{left(textrm{stat}right)}_{-0.05}^{+0.07}left(textrm{syst}right) . The measured cross sections are larger than but consistent with the standard model predictions within two standard deviations, and represent the most precise measurement of these cross sections to date.

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