A Measurement of the Ratio of the Nucleon Structure-Function in Copper and Deuterium

European Muon Collaboration,J. Ashman,B. Badelek,G. Baum,J. Beaufays,C. P. Bee,C. Benchouk,I. G. Bird,S. C. Brown,M. C. Caputo, H. W. K. Cheung,J. S. Chima,J. Ciborowski,R. Clifft,G. Coignet,F. Combley,G. Court,G. d'Agostini,J. Drees,M. Düren,N. Dyce,A. W. Edwards,M. Edwards,T. Ernst,M. I. Ferrero,D. Francis,E. Gabathuler,J. Gajewski,R. Gamet,V. Gibson,J. Gillies,P. Grafström,K. Hamacher,D. von Harrach,P. Hayman,J. R. Holt,V. W. Hughes,A. Jacholkowska,T. Jones, E. M. Kabuss,B. Korzen,U. Krüner,S. Kullander,U. Landgraf,D. Lanske,F. Lettenström,T. Lindqvist,M. Matthews,Y. Mizuno,K. Mönig,F. Montanet,J. Nassalski,T. Niinikoski,P. R. Norton,F. G. Oakham,R. F. Oppenheim,A. M. Osborne,V. Papavassiliou,N. Pavel,C. Peroni,H. Peschel,R. Piegaia, B. Pietrzyk,B. Povh,P. Renton,J. M. Rieubland,K. Rith,E. Rondio,L. Ropelewski,D. Salmon,A. Sandacz,T. Schröder, K. P. Schüler,K. Schultze,T. -A. Shibata,T. Sloan,A. Staiano,H. E. Stier,J. Stock,G. N. Taylor,J. C. Thompson,T. Walcher,J. Toth,L. Urban,W. Wallucks,S. Wheeler,W. S. C. Williams,S. J. Wimpenny,R. Windmolders,J. Womersley,K. Ziemons

Zeitschrift für Physik C, Particles and fields（1993）

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摘要

Results are presented on the ratios of the nucleon structure function in copper to deuterium from two separate experiments. The data confirm that the nucleon structure function, F2, is different for bound nucleons than for the quasi-free ones in the deuteron. The redistribution in the fraction of the nucleon's momentum carried by quarks is investigated and it is found that the data are compatible with no integral loss of quark momenta due to nuclear effects.

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关键词

Copper,Field Theory,Elementary Particle,Quantum Field Theory,Deuterium

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