Study Of The Structure Of Hadronic Events And Determination Of Alpha(S) At Root S=130 Gev And 136 Gev

M Acciarri,A Adam,O Adriani,M Aguilar-Benitez,S Ahlen,B Alpat,J Alcaraz,J Allaby,A Aloisio,G Alverson,M.G Alviggi,G Ambrosi,H Anderhub,V.P Andreev,T Angelescu,D Antreasyan,A Arefiev,T Azemoon,T Aziz,P Bagnaia,L Baksay,R.C Ball,S Banerjee,K Banicz,R Barillère,L Barone,P Bartalini,A Baschirotto,M Basile,R Battiston,A Bay,F Becattini,U Becker,F Behner,Gy.L Bencze,J Berdugo,P Berges,B Bertucci,B.L Betev,M Biasini,A Biland,G.M Bilei,J.J Blaising,S.C Blyth,G.J Bobbink,R Bock,A Böhm,B Borgia,A Boucham,D Bourilkov,M Bourquin,D Boutigny,E Brambilla,J.G Branson,V Brigljevic,I.C Brock,A Buijs,A Bujak,J.D Burger,W.J Burger,C Burgos,J Busenitz,A Buytenhuijs,X.D Cai,M Campanelli,M Capell,G Cara Romeo,M Caria,G Carlino,A.M Cartacci,J Casaus,G Castellini,R Castello,F Cavallari,N Cavallo,C Cecchi,M Cerrada,F Cesaroni,M Chamizo,A Chan,Y.H Chang,U.K Chaturvedi,M Chemarin,A Chen,C Chen,G Chen,G.M Chen,H.F Chen,H.S Chen,X Chereau,G Chiefari,C.Y Chien,M.T Choi,L Cifarelli,F Cindolo,C Civinini,I Clare,R Clare,T.E Coan,H.O Cohn,G Coignet,A.P Colijn,N Colino,V Commichau,S Costantini,F Cotorobai,B de la Cruz,T.S Dai,R D'Alessandro,R de Asmundis,H De Boeck,A Degré,K Deiters,E Dénes,P Denes,F DeNotaristefani,D DiBitonto,M Diemoz,D van Dierendonck,F Di Lodovico,C Dionisi,M Dittmar,A Dominguez,A Doria,I Dorne,M.T Dova,E Drago,D Duchesneau,P Duinker,I Duran,S Dutta,S Easo,Yu Efremenko,H El Mamouni,A Engler,F.J Eppling,F.C Erné,J.P Ernenwein,P Extermann,R Fabbretti,M Fabre,R Faccini,S Falciano,A Favara,J Fay,M Felcini,T Ferguson,D Fernandez,G Fernandez,F Ferroni,H Fesefeldt,E Fiandrini,J.H Field,F Filthaut,P.H Fisher,G Forconi,L Fredj,K Freudenreich,M Gailloud,Yu Galaktionov,S.N Ganguli,P Garcia-Abia,S.S Gau,S Gentile,J Gerald,N Gheordanescu,S Giagu,S Goldfarb,J Goldstein,Z.F Gong,E Gonzalez,A Gougas,D Goujon,G Gratta,M.W Gruenewald,V.K Gupta,A Gurtu,H.R Gustafson,L.J Gutay,K Hangarter,B Hartmann,A Hasan,J.T He,T Hebbeker,A Hervé,W.C van Hoek,H Hofer,H Hoorani,S.R Hou,G Hu,M.M Ilyas,V Innocente,H Janssen,B.N Jin,L.W Jones,P de Jong,I Josa-Mutuberria,A Kasser,R.A Khan,Yu Kamyshkov,P Kapinos,J.S Kapustinsky,Y Karyotakis,M Kaur,M.N Kienzle-Focacci,D Kim,J.K Kim,S.C Kim,Y.G Kim,W.W Kinnison,A Kirkby,D Kirkby,J Kirkby,W Kittel,A Klimentov,A.C König,E Koffeman,A Köngeter,V Koutsenko,A Koulbardis,R.W Kraemer,T Kramer,W Krenz,H Kuijten,A Kunin,P Ladron de Guevara,G Landi,C Lapoint,K Lassila-Perini,P Laurikainen,M Lebeau,A Lebedev,P Lebrun,P Lecomte,P Lecoq,P Le Coultre,J.S Lee,K.Y Lee,C Leggett,J.M Le Goff,R Leiste,M Lenti,E Leonardi,P Levtchenko,C Li,E Lieb,W.T Lin,F.L Linde,B Lindemann,L Lista,Z.A Liu,W Lohmann,E Longo,W Lu,Y.S Lu,K Lübelsmeyer,C Luci,D Luckey,L Ludovici,L Luminari,W Lustermann,W.G Ma,A Macchiolo,M Maity,G Majumder,L Malgeri,A Malinin,C Maña,S Mangla,M Maolinbay,P Marchesini,A Marin,J.P Martin,F Marzano,G.G.G Massaro,K Mazumdar,D McNally,R.R McNeil,S Mele,L Merola,M Meschini,W.J Metzger,M von der Mey,Y Mi,A Mihul,A.J.W van Mil,G Mirabelli,J Mnich,M Möller,B Monteleoni,R Moore,S Morganti,R Mount,S Müller,F Muheim,E Nagy,S Nahn,M Napolitano,F Nessi-Tedaldi,H Newman,A Nippe,H Nowak,G Organtini,R Ostonen,D Pandoulas,S Paoletti,P Paolucci,H.K Park,G Pascale,G Passaleva,S Patricelli,T Paul,M Pauluzzi,C Paus,F Pauss,Y.J Pei,S Pensotti,D Perret-Gallix,S Petrak,A Pevsner,D Piccolo,M Pieri,J.C Pinto,P.A Piroué,E Pistolesi,V Plyaskin,M Pohl,V Pojidaev,H Postema,N Produit,R Raghavan,G Rahal-Callot,P.G Rancoita,M Rattaggi,G Raven,P Razis,K Read,M Redaelli,D Ren,M Rescigno,S Reucroft,A Ricker,S Riemann,B.C Riemers,K Riles,O Rind,S Ro,A Robohm,J Rodin,F.J Rodriguez,B.P Roe,S Röhner,L Romero,S Rosier-Lees,Ph Rosselet,W van Rossum,S Roth,J.A Rubio,H Rykaczewski,J Salicio,J.M Salicio,E Sanchez,A Santocchia,M.E Sarakinos,S Sarkar,M Sassowsky,C Schäfer,V Schegelsky,S Schmidt-Kaerst,D Schmitz,P Schmitz,M Schneegans,B Schoeneich,N Scholz,H Schopper,D.J Schotanus,R Schulte,K Schultze,J Schwenke,G Schwering,C Sciacca,P.G Seiler,J.C Sens,L Servoli,S Shevchenko,N Shivarov,V Shoutko,J Shukla,E Shumilov,T Siedenburg,D Son,A Sopczak,V Soulimov,B Smith,P Spillantini,M Steuer,D.P Stickland,F Sticozzi,H Stone,B Stoyanov,A Straessner,K Strauch,K Sudhakar,G Sultanov,L.Z Sun,G.F Susinno,H Suter,J.D Swain,X.W Tang,L Tauscher,L Taylor,Samuel C.C Ting,S.M Ting,O Toker,F Tonisch,M Tonutti,S.C Tonwar,J Tóth,A Tsaregorodtsev,C Tully,H Tuchscherer,K.L Tung,J Ulbricht,L Urbán,U Uwer,E Valente,R.T Van de Walle,I Vetlitsky,G Viertel,M Vivargent,R Völkert,H Vogel,H Vogt,I Vorobiev,A.A Vorobyov,An.A Vorobyov,L Vuilleumier,M Wadhwa,W Wallraff,J.C Wang,X.L Wang,Y.F Wang,Z.M Wang,A Weber,R Weill,C Willmott,F Wittgenstein,S.X Wu,S Wynhoff,J Xu,Z.Z Xu,B.Z Yang,C.G Yang,X.Y Yao,J.B Ye,S.C Yeh,J.M You,C Zaccardelli,An Zalite,P Zemp,J.Y Zeng,Y Zeng,Z Zhang,Z.P Zhang,B Zhou,G.J Zhou,Y Zhou,G.Y Zhu,R.Y Zhu,A Zichichi,B.C.C van der Zwaan

PHYSICS LETTERS B（1996）

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Abstract

We present a study of the structure of hadronic events recorded by the L3 detector at center-of-mass energies of 130 and 136 GeV. The data sample corresponds to an integrated luminosity of 5 pb(-1) collected during the high energy run of 1995. The shapes of the event shape distributions and the energy dependence of their mean values are well reproduced by QCD models. From a comparison of the data with resummed O(alpha(s)(2)) QCD calculations, we determine the strong coupling constant to be alpha(s)(133 GeV) = 0.107 +/- 0.005(exp) +/- 0.006(theor).

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