Scaling Violationsof the Proton Structure Function

T. Ahmed,V. Andreev,B. Andrieu,M. Arpagaus,A. Babaev,P. Baranov,E. Barrelet,W. Bartel,U. Bassler,H. Beck,H. Behrend,A. Belousov,C. Berger,H. Bergstein,G. Bernardi,R. Bernet,G. Bertrand-Coremans,M. Besan,P. Biddulph,E. Binder, A. Bischo,J. Bizot,V. Blobel,K. Borras,P. Bosetti,V. Boudry,C. Bourdarios,F. Brasse,U. Braun,W. Braunschweig,D. Bruncko,A. Buniatian,S. Burke,G. Buschhorn,A. Campbell,T. Carli,F. Charles,D. Clarke,A. B. Clegg,M. Colombo,J. Coughlan,A. Courau,C. Coutures,G. Cozzika,L. Criegee,J. Cvach,S. Dagoret,J. Dainton,M. Danilov, A. Dann,W. Dau,M. David,B. Delcourt,L. Buono,M. Devel,A. Roeck,P. Dingus,C. Dollfus,J. Dowell,H. Dreis,A. Drescher,J. Duboc,H. Duhm,R. Ebbinghaus,M. Eberle,J. Ebert,T. Ebert,G. Eckerlin,V. Efremenko,S. Egli,S. Eichenberger,R. Eichler,F. Eisele,E. Eisenhandler,N. Ellis, R. Ellison,E. Elsen,M. Erdmann,E. Evrard,L. Favart,A. Fedotov,D. Feeken,R. Felst,J. Feltesse,I. Fensome,J. Ferencei,F. Ferrarotto,K. Flamm,W. Flauger,M. Fleischer,M. Flieser,A. Fomenko,B. Fominykh,M. Forbush,J. Foster,G. Franke,E. Fretwurst,P. Fuhrmann,E. Gabathuler,K. Gamerdinger,J. Garvey,J. Gayler,A. Gellrich,M. Gennis,H. Genzel,R. Gerhards, L. Godfrey,U. Goerlach,L. Goerlich,N. Gogitidze,M. Goldberg, A. Goodall,I. Gorelov,P. Goritchev,C. Grab,T. Greenshaw,H. Greif,G. Grindhammer,C. Gruber,J. Haack,L. Hajduk,O. Hamon,D. Handschuh,E. Hanlon,M. Hapke,J. Harjes,R. Haydar,W. Haynes,J. Heatherington,V. Hedberg,G. Heinzelmann,R. Henderson,H. Henschel,R. Herma,I. Herynek,W. Hildesheim,P. Hill,C. D. Hilton,J. Hladk,K. Hoeger,P. Huet,H. Hufnagel,N. Huot,M. Ibbotson,H. Itterbeck,M. Jabiol,A. Jachołkowska,C. Jacobsson,T. Jansen,K. Johannsen,D. Johnson,L. Johnson,H. Jung,P. Kalmus,S. Kasarian,R. Kaschowitz,P. Kasselmann,U. Kathage, H. Kaufmann,I. Kenyon,S. Kermiche,C. Keuker,C. Kiesling,M. Klein,C. Kleinwort,G. Knies,W. Ko,H. Kolanoski,F. Kole,S. Kolya,V. Korbel,M. Korn,P. Kostka,S. Kotelnikov,M. Krasny,H. Krehbiel,J. Kubenka,M. Kuhlen,J. Ofer,B. Kuznik,D. Lacour,F. Lamarche,R. Lander,M. Landon,W. Lange,R. Langkau,P. Lanius,J. Laporte,A. Lebedev,A. Leuschner,C. Leverenz,S. Levonian,D. Lewin,C. Ley,A. Lindner,F. Linsel,J. Lipinski,P. Loch,H. Lohmander,G. C. Lopez,N. Magnussen,E. Malinovski,S. Mani,P. Marage,J. Marks,R. Marshall,J. Martens,R. Martin,H. Martyn,J. Martyniak, S. Masson,A. Mavroidis,S. eld,S. McMahon,A. Mehta,K. Meier,D. Mercer,T. Merz,C. Meyer,H. Meyer,J. Meyer,S. Mikocki,V. Milone,E. Monnier,F. Moreau,J. Moreels,J. Morris,S. Murray,V. Nagovizin,B. Naroska,T. Naumann,P. Newman,D. Newton,D. Neyret,H. Nguyen,F. Niebergall,C. Niebuhr,R. Nisius,G. Nowak,G. Noyes,M. Nyberg,H. Oberlack,U. Obrock,J. Olsson,S. Orenstein,F. Ould-Saada,C. Pascaud,G. Patel,E. Peppel,S. Peters,H. Phillips,J. Phillips,C. Pichler,W. Pilgram,D. Pitzl, S. Prell,R. Prosi,F. Raupach,K. Rauschnabel,P. Reimer,S. Reinshagen,P. Ribarics,V. Riech,J. Riedlberger,S. Riess,M. Rietz,S. Robertson,P. Robmann,R. Roosen,A. Rostovtsev,C. Royon,M. Rudowicz,S. Rusakov,K. Rybicki,N. Sahlmann, E. Sanchez,D. Sankey,M. Savitsky,P. Schacht,P. Schleper,W. Schlippe,C. Schmidt,D. Schmidt

semanticscholar（2007）

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摘要

An analysis is presented of scaling violations of the proton structure function F 2 (x; Q 2) measured with the H1 detector at HERA in the range of Bjorken x values between x = 310 ?4 and 10 ?2 for four-momentum transfers Q 2 larger than 8.7 GeV 2. The structure function F 2 (x; Q 2) is observed to rise linearly with lnQ 2. Under the assumption that the observed scaling violations at small x 0:01 are described correctly by perturbative QCD, an estimate is obtained of the gluon distribution function G(x; Q 2 o) at Q 2 o = 20 GeV 2 .

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