Study of neutral-current four-fermion and ZZ production in e +e − collisions at [formula omitted] 183 GeV

M Acciarri,P Lebrun,P De Jong,M Basile,M Bourquin,G Raven,G Landi,F Marzano,B De La Cruz,W Wallraff,C Dionisi,G Zilizi,T Paul,A Nippe,J Ulbricht,P Achard,O Adriani,V Pojidaev,H Milcent,S Costantini,H Postema,B Monteleoni,R Barillère,H El Mamouni,S Wynhoff,N Gheordanescu,D Van Dierendonck,D Haas,M Chamizo,J Schwenke,C Lapoint,E Pistolesi,B Bertucci,B Stoyanov,W Krenz,A Gurtu,M Napolitano,K Freudenreich,D Ren,K Lübelsmeyer,A De Salvo,P Duinker,U Becker,A Mihul,A Hasan,M Chemarin,L Baksay,T Azemoon,A Vorvolakos,R De Asmundis,D Della Volpe,K Sudhakar,G Chiefari,W Kittel,D Dufournand,V Plyaskin,G Castellini,A Buffini,D Sciarrino,G Viertel,R Van Gulik,G Holzner,A Button,F Ferroni,A Favara,A Böhm,D Pandoulas,D Hatzifotiadou,T Moulik,M Von Der Mey,D Luckey,B Borgia,A Degré,P Levtchenko,M Pauluzzi,F Denotaristefani,H Hofer,G Rahal-Callot,D Ruschmeier,S Braccini,A Lavorato,P Lacentre,F Cesaroni,R Ostonen,Y Uchida,A Barczyk,L Fredj,D Duchesneau,K Riles,P Zemp,N Scholz,P Berges,K Banicz,D Kiss,A Robohm,M Capell,A Balandras,J Berdugo,A Engler,D Perret-Gallix,H Nowak,A Bay,T Van Rhee,H Vogt,M Lebeau,H Anderhub,I Clare,G Passaleva,P Le Coultre,T Siedenburg,E Valente,S Banerjee,C Palomares,F Di Lodovico,S Villa,S Shevchenko,S Reucroft,N Shivarov,M Della Pietra,I Vetlitsky,M Rescigno,G Mirabelli,M Gataullin,P Marchesini,J Hirschfelder,S Pensotti,L Tauscher,S Schmidt-Kaerst,Yu Galaktionov,J Rodin,G Marian,A Buijs,C Furetta,R Faccini,A Kunin,R Leiste,S Patricelli,F Muheim,E Shumilov,D Migani,F Cotorobai,F Anselmo,P Laurikainen,P Extermann,A Lebedev,S Sakar,F Ziegler,A Shvorob,J Busenitz,M Wadhwa,L Romero,M Vivargent,M Steuer,A Arefiev,G Alemanni,D Peach,H Suter,J Alcaraz,E Fiandrini,N Raja,A Chen,V Koutsenko,T Angelescu,F Behner,V Shoutko,S Petrak,J Salicio,P Bartalini,L Servoli,D Kamrad,M Pedace,J Casaus,G Coignet,I Korolko,G Schwering,G Carlino,G Ambrosi,J Allaby,A Straessner,G Organtini,M Maity,G Y Zhu ,M Felcini,A Doria,P Bagnaia,C Tully,P Déglon ,P Piroué ,M Aguilar-Benı́tez ,D Schmitz,M G Alviggi ,Y H Chang ,Imad Baptiste Laktineh ,S Hou ,W W Kinnison ,S Nahn,I H Park ,A Zalite ,J Tóth,H Vogel,H J Lee ,D Stickland ,H Fesefeldt,M Kaur,P Lecomte,Y Zalite ,S C Tonwar ,H G Wilkens ,M W Gruenewald ,C Paus,Saptaparna Bhattacharya ,Samuel C.C Ting,J B Ye ,K Deiters,S C Yeh ,B N Jin ,X Chéreau ,J Quartieri,C Li,F Filthaut,P.G Rancoita,U K Chaturvedi ,P Garcı́a-Abia ,M T Dova ,B P Roe ,A Stone,A A Vorobyov ,Giovanni Romeo ,Z P Zhang ,L Luminari,V Andreev ,П Спиллантини ,H Schopper,R A Khan ,M Meschini,Z Z Xu ,C Timmermans,M P Sanders ,Z M Wang ,Bryan Smith ,S S Gau ,R D’alessandro ,P Wienemann,S Paoletti,A Dominguez,E Longo,A Zichichi,M Biasini,H F Chen ,K Lassila-Perini,A M Cartacci ,C Cecchi,H S Chen ,L Barone,M Cerrada,C Mañá ,J Swain ,L W Jones ,F Conventi,Y S Lu ,J Mnich,T Dai ,A Biland,D Prokofiev,R Clare,S M Ting ,Emanuele Leonardi ,W Lohmann,S Falciano,H R Hoorani ,B L Betev ,L Taylor,M A Falagán ,I Josa-Mutuberrı́A,A Nisati,D Son,D Piccolo,P Denes,G Forconì ,F Cavallari,S Blyth ,R W Kraemer ,F.C Erné,R Battiston,Y D Oh ,J G Branson ,I Iashvili,I Vorobiev,W J Burger ,L Malgeri,S Mele,G J Bobbink ,F Linde ,J H Field ,S Vlachos,I Durán ,A Klimentov,Z A Liu ,L Merola,B A Petersen ,H J Yang ,E Sánchez ,Z F Gong ,L Z Sun ,G Chen,M Dittmar,Á Csilling ,W J Metzger ,J Shukla,Virendra K Gupta ,T Hebbeker,W G ,N Produit,C G Yang ,J P Martin ,P Ladrón De Guevara ,F Becattini,D H Kim ,J J Blaising ,G S Muanza ,G Majumder,D Mangeol,V Brigljević ,N Cavallo,C Sciacca,J C Wang ,J Kapustinsky ,Gennaro De Pascale ,P H Fisher ,H B Newman ,S Giagu,L Xia,C Luci,S C Kim ,S Goldfarb,M Pieri,A P Colijn ,O L Fedin ,R R Mcneil ,C Schäfer,J M You ,A Weber,J A Rubio ,M E Sarakinos ,G Massaro ,Z Szillási ,A Hervé,J K Kim ,Min Yang ,C Civinini,S X Wu ,W Lin ,M Campanelli,A C König ,J Pothier,A K Kopp ,S Rosier‐Lees ,T Aziz,H Rykaczewski,W Lustermann,J Kirkby,T Ferguson,F Nessi‐Tedaldi ,N Colino,R Y Zhu ,P Hidas,P A Razis ,J Fay,F Cindolo,S N Ganguli ,J D Burger ,H K Park ,D Kim,P Paolucci,M N Kienzle‐Focacci ,K Mazumdar,M Diemoz,T Nießen ,Péter Molnár ,K L Tung ,J A Van Dalen ,X L Wang ,Michel Fabre ,L Boldizsár ,S Gentile,А Малинин ,X D Cai ,R C Ball ,G Sultanov,L Lista,I Fisk,S Riemann,B Z Yang ,P Lecoq,M Weber,D J Schotanus ,L Gutay ,F J Eppling ,X W Tang ,F M Brochu ,G M Chen ,A J.m Muijs ,L Cifarelli,D Bourilkov,J M Le Goff ,Howard A Stone ,F Pauß ,A Aloisio,Y J Pei ,C H Lin ,V A Schegelsky ,M Pohl,G Vesztergombi,Margot Zöller

doi:10.1016/s0370-2693(99)00103-3

Study of neutral-current four-fermion and ZZ production in e +e − collisions at [formula omitted] 183 GeV

M Acciarri, P Lebrun + Show 412 more

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https://doi.org/10.1016/s0370-2693(99)00103-3

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Journal: Physics Letters B	Publication Date: Mar 1, 1999
Citations: 21	License type: cc-by-nc-sa

Affiliation: Claude Bernard University Lyon 1, European Organization for Nuclear Research, University of Geneva, University of California, San Diego, RWTH Aachen University, University of Alabama, Northeastern University, University of Lausanne, ETH Zurich, Humboldt-Universität zu Berlin, Massachusetts Institute of Technology, University of Bucharest, University of Amsterdam, University of Basel, University of Perugia, Bulgarian Academy of Sciences, Tata Institute of Fundamental Research, University of Cyprus, University of Michigan–Ann Arbor, Radboud University Nijmegen, Laboratoire d’Annecy de Physique des Particules, University of Salerno, University of Salento, University of Helsinki, Purdue University West Lafayette, Hungarian Academy of Sciences, Carnegie Mellon University, Utrecht University, California Institute of Technology, National Central University, Princeton University, Los Alamos National Laboratory, Korea Advanced Institute of Science and Technology, University of Science and Technology of China, Paul Scherrer Institute, National Tsing Hua University, Louisiana State University, Universität Hamburg, University of Santiago de Compostela

#Cross Sections For Final States #ZZ Production Cross Section + Show 8 more

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Abstract

A study of neutral-current four-fermion processes is performed using a data sample corresponding to 55.3 pb −1 of integrated luminosity collected by the L3 detector at LEP at an average centre-of-mass energy of 183 GeV. The neutral-current four-fermion cross sections for final states with a pair of charged leptons plus jets and with four charged leptons are measured to be consistent with the Standard Model predictions. Events with fermion pair masses close to the Z boson mass are selected in all observable final states and the ZZ production cross section is measured to be σ ZZ =0.30 +0.22 +0.07 −0.16 −0.03 pb, in agreement with the Standard Model expectation. No evidence for the existence of anomalous triple gauge boson ZZZ and ZZ γ couplings is found and limits on these couplings are set.

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