Determination of $\alpha_s$ from Hadronic Event Shapes in $e^+ e^-$ Annihilation at $192 \le \sqrt{s} \le 208$ GeV - IN2P3 - Institut national de physique nucléaire et de physique des particules Access content directly
Journal Articles Physics Letters B Year : 2002

Determination of $\alpha_s$ from Hadronic Event Shapes in $e^+ e^-$ Annihilation at $192 \le \sqrt{s} \le 208$ GeV

P. Achard , O. Adriani , M. Aguilar-Benitez , J. Alcaraz , G. Alemanni , J. Allaby , A. Aloisio , M G. Alviggi , H. Anderhub , V P. Andreev , F. Anselmo , A. Arefev , T. Azemoon , T. Aziz , P. Bagnaia , A. Bajo , G. Baksay , L. Baksay , S V. Baldew , S. Banerjee , Sw. Banerjee (1) , 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 (1) , S C. Blyth , G J. Bobbink , A. Boehm , L. Boldizsar , B. Borgia , S. Bottai , D. Bourilkov , M. Bourquin , S. Braccini , J G. Branson , F. Brochu (1) , J D. Burger , W J. Burger , X D. Cai , M. Capell , G. Cara Romeo , G. Carlino , A. Cartacci , J. Casaus , F. Cavallari , N. Cavallo , C. Cecchi , M. Cerrada , M. Chamizo-Llatas , y H. Chang , M. Chemarin (2) , A. Chen , G. Chen , G M. Chen , H F. Chen , H S. Chen , G. Chiefari , L. Cifarelli , F. Cindolo , I. Clare , R. Clare , G. Coignet (1) , N. Colino , S. Costantini , B. de La Cruz , S. Cucciarelli , J A. van Dalen , R. de Asmundis , P. Deglon , J. Debreczeni , A. Degre (1) , K. Deiters , D. Della Volpe , E. Delmeire , P. Denes , F. de Notaristefani , A. de Salvo , M. Diemoz , M. Dierckxsens , C. Dionisi , M. Dittmar , A. Doria , M T. Dova , D. Duchesneau (1) , B. Echenard , A. Eline , H. El Mamouni (3) , A. Engler , F J. Eppling , A. Ewers , P. Extermann , M A. Falagan , S. Falciano , A. Favara , J. Fay (2) , O. Fedin , M. Felcini , T. 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. Garcia-Abia , M. Gataullin , S. Gentile , S. Giagu , Z F. Gong , G. Grenier (2) , O. Grimm , M W. Gruenewald , M. Guida , R. van Gulik , V K. Gupta , A. Gurtu , L J. Gutay , D. Haas , R S. Hakobyan , D. Hatzifotiadou , T. Hebbeker , A. Herve , J. Hirschfelder , H. Hofer , M. Hohlmann , G. Holzner , S R. Hou , Y. Hu , B N. Jin , L W. Jones , P. de Jong , I. Josa-Mutuberria , D. Kafer , M. Kaur , M N. Kienzle-Focacci , J K. Kim , J. Kirkby , W. Kittel , A. Klimentov , a C. Koenig , M. Kopal , V F. Koutsenko , M. Kraber , R W. Kraemer , W. Krenz , A. Krueger , A. Kunin , P. Ladron de Guevara , I. Laktineh (2) , G. Landi , M. Lebeau , A. A. Lebedev , P. Lebrun (2) , P. Lecomte , P. Lecoq , P. Le Coultre , J M. Le Goff , R. Leiste , M. Levtchenko , P M. Levchenko , C. Li , S. Likhoded , C H. Lin , W T. Lin , F L. Linde , L. Lista , Z A. Liu , W. Lohmann , E. Longo , y S. Lue , K. Luebelsmeyer , C. Luci , L. Luminari , W. Lustermann , W G. Ma , L. Malgeri , A. Malinin , C. Mana , D. Mangeol , J. Mans , J.-P. Martin (2) , 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 (2) , a J M. Muijs , B. Musicar , M. Musy , S. Nagy , S. Natale , M. Napolitano , F. Nessi-Tedaldi , H. Newman , T. Niessen , A. Nisati , H. Nowak , R. 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. Perret-Gallix (1) , B. Petersen , D. Piccolo , F. Pierella , M. Pioppi , P A. Piroue , E. Pistolesi , V. Plyaskin , M. Pohl , V. Pozhidaev , J. Pothier , D O. Prokofev , D. Prokofev , J. Quartieri , G. Rahal-Callot , M A. Rahaman , P. Raics , N. Raja , R. Ramelli , P G. Rancoita , R. Ranieri , a V. Raspereza , P. Razis , D. Ren , M. Rescigno , S. Reucroft , S. Riemann , K. Riles , B P. Roe , L. Romero , A. Rosca , S. Rosier-Lees (1) , S. Roth , C. Rosenbleck , B. Roux , J A. Rubio , G. Ruggiero , H. Rykaczewski , A. Sakharov , S. Saremi , S. Sarkar , J. Salicio , E. Sanchez , M P. Sanders , C. Schaefer , V. Shchegelskii , S. Schmidt-Kaerst , 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 , P. Spillantini , M. Steuer , D P. Stickland , B. Stoyanov , A. Straessner , K. Sudhakar , G G. Sultanov , L Z. Sun , S. Sushkov , H. Suter , J D. Swain , Z. Szillasi , X W. Tang , P. Tarjan , L. Tauscher , L. Taylor , B. Tellili (2) , D. Teyssier (2) , C. Timmermans , S C C. Ting , S M. Ting , S C. Tonwar , J. Toth , C. Tully , K L. Tung , J. Ulbricht , E. Valente , R T. van de Walle , V. Veszpremi , G. Vesztergombi , I. Vetlitskii , D. Vicinanza , G. Viertel , S. Villa , M. Vivargent (1) , S. Vlachos , I. Vodopyanov , H. Vogel , H. Vogt , I. Vorobev , a A. Vorobyov , M. Wadhwa , W. Wallraff , X L. Wang , Z M. Wang , M. Weber , P. Wienemann , H. Wilkens , S. Wynhoff , L. Xia , Z Z. Xu , J. Yamamoto , B Z. Yang , C G. Yang , H J. Yang , M. Yang , S C. Yeh , A. Zalite , Yu. Zalite , Z P. Zhang , J. Zhao , G Y. Zhu , R Y. Zhu , H L. Zhuang , A. Zichichi , G. Zilizi , B. Zimmermann , M. Zoeller
P. Achard
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O. Adriani
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M. Aguilar-Benitez
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J. Alcaraz
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G. Alemanni
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J. Allaby
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A. Aloisio
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M G. Alviggi
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H. Anderhub
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V P. Andreev
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F. Anselmo
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A. Arefev
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T. Azemoon
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T. Aziz
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P. Bagnaia
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A. Bajo
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G. Baksay
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L. Baksay
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S V. Baldew
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S. Banerjee
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A. Barczyk
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R. Barillere
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P. Bartalini
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M. Basile
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N. Batalova
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R. Battiston
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A. Bay
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F. Becattini
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U. Becker
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F. Behner
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L. Bellucci
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R. Berbeco
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J. Berdugo
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P. Berges
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B. Bertucci
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B L. Betev
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M. Biasini
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M. Biglietti
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A. Biland
S C. Blyth
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G J. Bobbink
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A. Boehm
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L. Boldizsar
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B. Borgia
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S. Bottai
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D. Bourilkov
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M. Bourquin
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S. Braccini
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J G. Branson
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J D. Burger
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W J. Burger
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X D. Cai
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M. Capell
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G. Cara Romeo
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G. Carlino
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A. Cartacci
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J. Casaus
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F. Cavallari
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N. Cavallo
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C. Cecchi
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M. Cerrada
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M. Chamizo-Llatas
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y H. Chang
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A. Chen
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G. Chen
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G M. Chen
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H F. Chen
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H S. Chen
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G. Chiefari
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L. Cifarelli
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F. Cindolo
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I. Clare
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R. Clare
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N. Colino
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S. Costantini
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B. de La Cruz
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S. Cucciarelli
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J A. van Dalen
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R. de Asmundis
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P. Deglon
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J. Debreczeni
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K. Deiters
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D. Della Volpe
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E. Delmeire
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P. Denes
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F. de Notaristefani
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A. de Salvo
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M. Diemoz
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M. Dittmar
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M T. Dova
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G. Vesztergombi
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D. Vicinanza
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G Y. Zhu
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H L. Zhuang
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A. Zichichi
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G. Zilizi
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B. Zimmermann
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M. Zoeller
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Abstract

Results are presented from a study of the structure of high energy hadronic events recorded by the L3 detector at sqrt(s) 192 GeV. The distributions of several event shape variables are compared to resummed O(alphaS^2) QCD calculations. We determine the strong coupling constant at three average centre-of-mass energies: 194.4, 200.2 and 206.2 GeV. These measurements, combined with previous L3 measurements at lower energies demonstrate the running of alphaS as expected in QCD and yield alphaS(mZ) = 0.1227 +- 0.0012 +- 0.0058, where the first uncertainty is experimental and the second is theoretical.
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in2p3-00019815 , version 1 (21-06-2002)

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P. Achard, O. Adriani, M. Aguilar-Benitez, J. Alcaraz, G. Alemanni, et al.. Determination of $\alpha_s$ from Hadronic Event Shapes in $e^+ e^-$ Annihilation at $192 \le \sqrt{s} \le 208$ GeV. Physics Letters B, 2002, 536, pp.217-228. ⟨10.1016/S0370-2693(02)01814-2⟩. ⟨in2p3-00019815⟩
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