Measurement of αs from scaling violations in fragmentation functions in e+e− annihilation

D Buskulic ,J M Nachtman ,M Chmeissani ,R Fantechi ,R Wanke ,F Thomson ,B Rensch ,C K Bowdery ,I Ferrante ,S.r Armstrong ,C Diaconu ,G Crawford ,P R Norton ,K Jakobs ,J D Hansen ,Y S Gao ,S Gonzáles ,C Guicheney ,J Zhang ,J K Sedgbeer ,M Verderi ,P G Verdini ,R W Clifft ,E P Whelan ,I Videau ,A Rosowsky ,B Gobbo ,D M Binnie ,F Ligabue ,R Miquel ,I G Knowles ,S Xue ,C Boyer ,A M Litke ,E Fernández ,M.a Mcneil ,I Siotis ,A Farilla ,M Davier ,M H Schune ,H Stenzel ,P S Marrocchesi ,G Bonvicini ,B Renk ,V Chiarella ,G Graefe ,F Romanò ,S Cartwright ,F Stephan ,Y Saadi ,S Wasserbaech ,D Colling ,W Kozanecki ,D.p.s Ferguson ,G Lutters ,F Foster ,A.w Halley ,A Falvard ,S Nuzzo ,R Della Marina ,A J Finch ,R.p Johnson ,J.j Aubert ,V O’shea ,M Cattaneo ,M Wunsch ,J Lefrançois ,L M Bryant ,M Talby ,J P Schuller ,F Courault ,J Harvey ,J Walsh ,Rod Boswell ,M Frank ,O Schneider ,G Rolandi ,M Fernández-Bosman ,P Perret ,T Wildish ,U Stierlin ,A Roussarie ,G Giannini ,M.g Green ,H.y Kim ,E B Martin ,S Simion ,F Murtas ,W Männer ,M C Lemaire ,P Bourdon ,J Jousset ,A Sciabà ,J A Strong ,C Raine ,C Geweniger ,J Sommer ,D Johnson ,A Engelhardt ,D Rousseau ,R Tanaka ,S Monteil ,M Pepe-Altarelli ,G Lütjens ,I Dawson ,V Ciulli ,G Quast ,L M Mir ,S Natali ,V Bertín ,M.-N Minard ,J Boucrot ,S Emery ,F Cerutti ,K Tittel ,D Kühn ,L Garrido ,E Simopoulou ,M Letho ,D Pallin ,A Barrès ,G Lütz ,J B Hansen ,C Markou ,F Palla ,M Martı́nez ,P Mató ,A Rougé ,Y Pan ,S Schael ,S J Haywood ,M A Giorgi ,H Duarte ,C Gotzhein ,I De Bonis ,D Jackson ,P Colas ,G Parrini ,B Jost ,L Duflot ,W T Morton ,A Antonelli ,A Colaleo ,G Bujosa ,J R Hansen ,G R Bonneaud ,A Rosado-Schlosser ,H Wachsmuth ,D Abbaneo ,P Janot ,D Creanza ,R Edgecock ,A Blondel ,G Musolino ,T Fearnley ,H Videau ,C Goy ,J Rothberg ,G N Taylor ,T Oest ,M Delfino ,A M Bencheikh ,D.w Kim ,F Ariztizabal ,H.j Park ,P J Dornan ,M.i Williams ,X Wu ,S L Wu ,H Kroha ,J.m Crespo ,M A Ciocci ,R Alemany ,G Hughes ,T Sloan ,A Trabelsi ,P Perrodo ,M Zheng ,G Rizzo ,K Kleinknecht ,G Batignani ,D Si Mohand ,W Cameron ,A Böhrer ,R Richter ,A M Lutz ,A Vayaki ,G Raso ,P Elmer ,J L Harton ,Y Xie ,P Reeves ,Á Pascual ,D Nicod ,Z Ajaltouni ,P Pérez ,P Girtler ,A M Walsh ,E Focardi ,C N Booth ,T Medcalf ,J M Yamartino ,L Moneta ,A J Beddall ,D Casper ,A Galla ,M Schmidt ,S Bettarini ,H G Moser ,B.s Nilsson ,C Georgiopoulos ,G Selvaggi ,D Schlatter ,F Ranjard ,P Laurelli ,G Triggiani ,G Tonelli ,O Braun ,D Décamp ,P Heusse ,Q Ouyang ,A P Betteridge ,A Giassi ,I Abt ,F Dydak ,J M Rossignol ,S Thorn ,A Koksal ,C Bozzi ,J Rander ,W Wiedenmann ,A Gregorio ,A Valassi ,J Nash ,F Forti ,R Dell’orso ,B Marx ,L.f Thompson ,P Payre ,V Hepp ,C Padilla Aranda ,M De Palma ,R Xu ,N Marinelli ,J Raab ,P H Hansen ,R Settles ,J.c Thompson ,X T Huang ,G Felici ,D N Brown ,R.g Jacobsen ,W M Newton ,G Bologna ,Irena Nikolić ,G Mäggi ,R Beuselinck ,S Werner ,G Gelao ,C Grupen ,V Gaitan ,M Schmitt ,T J Brodbeck ,M G Smith ,M Schmelling ,I Efthymiopoulos ,N Apollonio ,W Tejessy ,C Zeitnitz ,J.g Lynch ,P Tempesta ,C Vannini ,Z Feng ,M Girone ,M Bardadin-Otwinowska ,R Hagelberg ,F Ragusa ,O Callot ,J C Brient ,A Kyriakis ,G Zito ,R Forty ,G Bagliesi ,E Locci ,Eric O Feigl ,F Rivera ,W Witzeling ,A Putzer ,T Wang ,G Capon ,E Kneringer ,H Meinhard ,I.c Park ,B Pietrzyk ,F Le Diberder ,M Maggi ,A Cordier ,A M Greene ,A Lucotte ,P.a Mcnamara ,L Smolík ,F Combley ,G Cowan ,H Drevermann ,U Becker ,F Ruggieri ,J D Turk ,J Carr ,J Knobloch ,A Ranieri ,I Ten Have ,G Mannocchi ,K Zachariadou ,S Orteu ,P Maley ,L Passalacqua ,P Rensing ,A Messineo ,R Assmann ,J R Pater ,G Iaselli ,A Lusiani ,N Konstantinidis ,L Silvestris ,P Odier ,D E Jaffe ,J Grahl ,H Seywerd ,J J Veillet ,F Etienne ,J Schwindling ,A S Thompson ,P Colrain ,L Bosisio ,B Michel ,R.m Turnbull ,S J Dorris ,G Wolf ,G Bencivenni ,G Ganis ,P Comas ,J Wotschack ,C Bauer ,G.a Blair ,F Saadi ,F Podlyski ,J A Perlas ,J F Pusztaszeri ,P Campana ,A Venturi ,G Sanguinetti ,C Rankin ,V Sharma ,G Calderini ,A Bonissent ,L Zhang ,F Teubert ,P Hanke ,K M Smith ,D Calvet ,W Blum ,B Vallage ,M Rumpf ,G Dissertori ,J Minguet-Rodriguez ,H Hu ,H G Sander ,M Carpinelli ,G Martin ,D J Candlin ,C Benchouk ,J P Lees ,P Coyle ,F Bossi ,J Proriol ,J Lin ,E E Kluge ,P Palazzi ,O.j Hayes ,A M Stacey ,G Rudolph ,J F Renardy ,A Minten ,I Scott ,M I Parsons ,M Thulasidas ,P Azzurri ,M Corden ,P Henrard ,A Pacheco ,F J Munoz Sanchez ,L Bellantoni ,M Edwards ,Р Тенчини ,D Botterill ,M Jacquet ,Pedro Saraiva ,W Zhao ,Philippe Ghez ,J M Scarr ,Jean-Claude Montret ,B Bloch-Devaux ,J.-F Grivaz ,L Foà ,I R Tomalin ,P Spagnolo ,E Lançon ,I Lehraus ,A Moutoussi ,Siegmund Brandt ,H Dietl ,J Steinberger ,W Orejudos ,G Zobernig

doi:10.1016/0370-2693(95)00917-a

Measurement of αs from scaling violations in fragmentation functions in e+e− annihilation

D Buskulic , J M Nachtman + Show 412 more

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https://doi.org/10.1016/0370-2693(95)00917-a

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Journal: Physics Letters B	Publication Date: Sep 1, 1995
Citations: 60	License type: cc-by-nc-nd

#Scaling Violations #Fragmentation Functions + Show 8 more

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Abstract

A study of scaling violations in fragmentation functions performed by the ALEPH collaboration at LEP is presented. Data samples enriched in uds, c, b and gluon jets, respectively, together with measurements of the longitudinal and transverse inclusive cross sections are used to extract the fragmentation function for the gluon and for each flavour. The measurements are compared to data from experiments at energies between 22 GeV and 91 GeV and scaling violations consistent with QCD predictions are observed. From this, a measurement of the strong coupling constant α s ( Mz) = 0.126 ±0.009 is obtained.

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