Measurement of hadron and lepton-pair production at [formula omitted] at LEP

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Duchesneau,H Anderhub,P Kapinos,J Salicio,V Commichau,A Nippe,A Buytenhuijs,H De Boeck,P Berges,I Josa-Mutuberria,A Böhm,M Lenti,I Vetlitsky,A Bay,A Buijs,A Engler,G Mirabelli,M Napolitano,T Siedenburg,G Rahal-Callot,M Bourquin,D Kirkby,P Le Coultre,S Röhner,T Paul,D Pandoulas,M Schneegans,F Marzano,W Wallraff,E Lieb,J Casaus,L Servoli,D Luckey,R Leiste,F Denotaristefani,L Tauscher,V Plyaskin,F Ferroni,R Ostonen,A Gougas,D Antreasyan,H Kuijten,A Robohm,V Soulimov,S Banerjee,N Shivarov,A Boucham,M Wadhwa,F Cesaroni,A Mihul,H Suter,D Boutigny,A Favara,M Vivargent,A Köngeter,R Fabbretti,P Laurikainen,J.C Sens,S Costantini,D Dibitonto,B Borgia,P De Jong,W Van Rossum,N Scholz,D Perret-Gallix,M Caria,B Bertucci,E Valente,S Patricelli,A Kunin,G Viertel,O Rind,J Alcaraz,M Basile,G Schwering,F Behner,T Angelescu,B Monteleoni,T Azemoon,A Chen,M Capell,H El Mamouni,I Clare,A Lebedev,N Gheordanescu,A Arefiev,R Raghavan,C Zaccardelli,L Ludovici,G Chiefari,K Schultze,H Vogt,B Hartmann,A Kirkby,S Reucroft,B Lindemann,B Schoeneich,M Chamizo,F Di Lodovico,E Shumilov,D Van Dierendonck,U Becker,R Völkert,F Tonisch,M Steuer,J H Field ,A C König ,I Durán ,C Li,E Sánchez ,C Cecchi,Ph Rosselet,B Zhou,W C Van Hoek ,S Gerald,J.S Lee,M E Sarakinos ,J.B Ye,T Dai ,C Chen,L Malgeri,H R Hoorani ,A M Cartacci ,H Janßen ,Y S Lu ,Martin Möller ,S Hou ,M N Kienzle‐Focacci ,E González ,А Малинин ,S.N Ganguli,P Paolucci,E Koffeman,S P Ahlen ,S.C Kim,R A Khan ,G Hamel De Monchenault ,J M You ,R Mount,Jun He ,H Vogel,A Dominguez,S C Yeh ,M Cerrada,M Meschini,W J Metzger ,P.G Seiler,C Willmott,A Weber,C Schäfer,X Chéreau ,S Sarkar,A Santocchia,Y H Chang ,X Cai ,C Luci,Xiaojun Yao ,G Sultanov,Y V Efremenko ,J Kirkby,J Goldstein,Yong Mei ,M Pieri,C Y Chien ,I Vorobiev,G Gratta,T Hebbeker,L Lista,S Gentile,P Bagnaia,J G Branson ,G.M Chen,F Filthaut,N Cavallo,R D’alessandro ,K L Tung ,A Biland,K Deiters,F J Rodríguez ,G J Bobbink ,G Majumder,K Mazumdar,G Organtini,J Kapustinsky ,T Krämer ,Sachin Kumar 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Rykaczewski,J Mnich,V Brigljević ,F Cindolo,Bob Van Der Zwaan

doi:10.1016/0370-2693(96)00039-1

Abstract

We report on the first measurements of e +e − annihilations into hadrons and lepton pairs at centre-of-mass energies between 130 GeV and 140 GeV. In a total luminosity of 5 pb −1 collected with the L3 detector at LEP we select 1577 hadronic and 401 lepton-pair events. The measured cross sections and leptonic forward-backward asymmetries agree well with the Standard Model predictions.

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