The e+e−→Zγγ→qq¯γγ reaction at LEP and constraints on anomalous quartic gauge boson couplings

P Achard,O Adriani,M Aguilarbenitez,J Alcaraz,G Alemanni,J Allaby,A Aloisio, M G Alviggi,H Anderhub,V Andreev,F Anselmo, A Arefiev,T Azemoon,T Aziz, P Bagnaia,A Bajo,G Baksay,L Baksay,S V Baldew,Sw Banerjee,A Barczyk,R Barillere,P Bartalini,M Basile,N Batalova,R Battiston, A Bay, F Becattini,U Becker,F Behner,L Bellucci,R Berbeco,J Berdugo,P Berges,B Bertucci, B L Betev,M Biasini, M Biglietti,A Biland,J J Blaising, S Blyth,G J Bobbink,A Bohm,L Boldizsar,B Borgia,S Bottai,D Bourilkov,M Bourquin,S Braccini,J G Branson,F M Brochu,J D Burger,W J Burger,X D Cai,M Capell,G Cara Romeo,G Carlino,A M Cartacci,J Casaus,F Cavallari,N Cavallo,C Cecchi,M Cerrada,M Chamizo,Y H Chang,M Chemarin,A Chen,G M Chen,H F Chen, G Chiefari,L Cifarelli,F Cindolo,I Clare,R Clare,G Coignet,N Colino,S Costantini,B De La Cruz,S Cucciarelli,J A Van Dalen,R De Asmundis,P Deglon,J Debreczeni,A Degre,K Dehmelt, K Deiters,D Della Volpe,E Delmeire,P Denes,F Denotaristefani,A De Salvo,M Diemoz,M Dierckxsens, C Dionisi,M Dittmar,A Doria,M T Dova,D Duchesneau, B Echenard,A Eline,H El Mamouni, A Engler, F J Eppling,A Ewers,P Extermann,M A Falagan,S Falciano,A Favara, J Fay, O L Fedin, M Felcini,Thomas A Ferguson,H Fesefeldt,E Fiandrini,J H Field, F Filthaut,P H Fisher, W Fisher, I Fisk,G Forconi, K Freudenreich,C Furetta,Yu Galaktionov,S N Ganguli, P Garciaabia, M Gataullin,S Gentile,S Giagu,Z F Gong,G Grenier,O Grimm,M W Gruenewald,M Guida,R Van Gulik, V K Gupta, A Gurtu, L J Gutay,D Haas,R Sh Hakobyan,D Hatzifotiadou, T Hebbeker,Alain Herve,J Hirschfelder, H Hofer, M Hohlmann,G Holzner,S R Hou,Y Hu,B N Jin,L W Jones,P De Jong,I Josamutuberria,D Kafer, M Kaur,M N Kienzlefocacci,Jong Kyu Kim,J Kirkby,W Kittel,A Klimentov,A C Konig,M Kopal,V Koutsenko,M Kraber,R W Kraemer,W Krenz, A Kruger,A Kunin,P Ladron De Guevara,I Laktineh,G Landi, J Latt,M Lebeau, A Lebedev, P Lebrun,P Lecomte, P Lecoq,P Le Coultre,J M Le Goff,R Leiste,M Levtchenko,P Levtchenko,Chunmei Li,S Likhoded,C H Lin,W T Lin, F L Linde, L Lista, Z A Liu,W Lohmann,Egidio Longo,Y S Lu,K Lubelsmeyer, C Luci, L Luminari, W Lustermann, W G Ma, L Malgeri,A Malinin,C Mana,D Mangeol, J Mans,J P Martin, F Marzano, K Mazumdar,R R Mcneil,S Mele, L Merola, M Meschini,W J Metzger,A Mihul,H Milcent, G Mirabelli, J Mnich, G B Mohanty, G S Muanza,A J M Muijs,B Musicar,M Musy,S Nagy,S Natale,M Napolitano, F Nessitedaldi, H B Newman,T Niessen, A Nisati,H Nowak, R A Ofierzynski, G Organtini,C Palomares,D Pandoulas,P Paolucci,R Paramatti,G Passaleva, S Patricelli,T Paul, M Pauluzzi, C Paus, F Pauss, M Pedace,S Pensotti,D Perretgallix, B A Petersen, D Piccolo,F Pierella, M Pioppi, P A Piroue,E Pistolesi,V Plyaskin, M Pohl,V Pojidaev,J Pothier,D Prokofiev,J Quartieri,G Rahalcallot,M A Rahaman, P Raics, N Raja,R Ramelli,P G Rancoita, R Ranieri, A Raspereza,P A Razis,D Ren, M Rescigno, S Reucroft,S Riemann,K Riles,B P Roe,Luciano Romero,A Rosca,S Rosierlees,S Roth,C Rosenbleck,B Roux,J A Rubio,G Ruggiero,H Rykaczewski,A Sakharov,S Saremi,S Sarkar,J Salicio,Elda E Sanchez, M P Sanders,Christoph Schafer,V A Schegelsky,S Schmidtkaerst,D Schmitz, H Schopper,D J Schotanus, G Schwering,C Sciacca,L Servoli,S Shevchenko,N Shivarov,V Shoutko,E Shumilov,A Shvorob, T Siedenburg,D Son,C Souga,P Spillantini,M Steuer, D P Stickland,B Stoyanov, A Straessner, K Sudhakar, G Sultanov,L Z Sun,S Sushkov,H Suter,J D Swain, Z Szillasi,X W Tang,P Tarjan, L Tauscher,Lucas Taylor,B Tellili, D Teyssier,C Timmermans,Samuel C C Ting, S C Tonwar, J Toth, C Tully,K L Tung,J Ulbricht,E Valente,R T Van De Walle, Ricardo A Vasquez, V Veszpremi, G Vesztergombi,I Vetlitsky,D Vicinanza,G Viertel,S Villa,M Vivargent,S Vlachos,I Vodopianov,Helmut Vogel,H Vogt,I Vorobiev,A A Vorobyov,M Wadhwa,W Wallraff, X L Wang,Z M Wang,Michele Weber, P Wienemann, H G Wilkens,S Wynhoff,L Xia,Z Z Xu,Jorge Kazuo Yamamoto,B Z Yang,C G Yang,H J Yang, Meifang Yang, S C Yeh,An Zalite,Yu Zalite, Z P Zhang,J Zhao,G Y Zhu,R Y Zhu,H L Zhuang, A Zichichi,B Zimmermann,M Zoller

Physics Letters B（2002）

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摘要

The cross section of the process e+e−→Zγγ→qq¯γγ is measured with 215 pb−1 of data collected with the L3 detector during the final LEP run at centre-of-mass energies around 205 GeV and 207 GeV. No deviation from the Standard Model expectation is observed. The full data sample of 713 pb−1, collected above the Z resonance, is used to constrain the coefficients of anomalous quartic gauge boson couplings to: −0.02GeV−2更多

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