High-Q2 neutral current cross sections in e+p deep inelastic scattering at s=318 GeV

S. Chekanov,M. Derrick,D. Krakauer,J. Loizides,S. Magill,S. Miglioranzi,B. Musgrave,J. Repond,R. Yoshida,M. Mattingly,P. Antonioli,G. Bari,M. Basile, L. Bellagamba, D. Boscherini,A. Bruni, G. Bruni,G. Romeo, L. Cifarelli,F. Cindolo, A. Contin,M. Corradi,S. De Pasquale,P. Giusti,G. Iacobucci, A. Margotti,A. Montanari,R. Nania,F. Palmonari,A. Pesci,G. Sartorelli, A. Zichichi,G. Aghuzumtsyan,D. Bartsch, I. Brock,S. Goers,H. Hartmann,E. Hilger,P. Irrgang,H.-P. Jakob,A. Kappes,O. Kind,U. Meyer,E. Paul,J. Rautenberg,R. Renner,H. Schnurbusch,A. Stifutkin,J. Tandler,K. Voss,M. Wang,A. Weber,D. Bailey,N. Brook,J. Cole,G. Heath,T. Namsoo,S. Robins,M. Wing,M. Capua, A. Mastroberardino,M. Schioppa,G. Susinno, J. Kim,Y. Kim,J. Lee,I. Lim,M. Pac,A. Caldwell,M. Helbich,X. Liu,B. Mellado,Y. Ning,S. Paganis,Z. Ren,W. Schmidke,F. Sciulli,J. Chwastowski,A. Eskreys,J. Figiel,A. Galas,K. Olkiewicz,P. Stopa,L. Zawiejski,L. Adamczyk,T. Bołd,I. Grabowska-Bołd, D. Kisielewska,A. Kowal,M. Kowal,T. Kowalski,M. Przybycień,L. Suszycki,D. Szuba,J. Szuba,A. Kotański,W. Słomiński,V. Adler, U. Behrens,I. Bloch, K. Borras,V. Chiochia,D. Dannheim,G. Drews,J. Fourletova,U. Fricke, A. Geiser,P. Göttlicher,O. Gutsche,T. Haas,W. Hain,S. Hillert,B. Kahle,U. Kötz,H. Kowalski, G. Kramberger,H. Labes,D. Lelas,H. Lim,B. Löhr, R. Mankel,I.-A. Melzer-Pellmann,M. Moritz,C. Nguyen,D. Notz,A. Nuncio-Quiroz, A. Polini,A. Raval,L. Rurua,U. Schneekloth,U. Stösslein,G. Wolf,C. Youngman,W. Zeuner,A. Viani,S. Schlenstedt, G. Barbagli, E. Gallo,C. Genta,P. Pelfer,A. Bamberger,A. Benen,F. Karstens, D. Dobur,N. Vlasov,M. Bell, P. Bussey,A. Doyle,J. Ferrando,J. Hamilton,S. Hanlon,D. Saxon,I. Skillicorn,I. Gialas, T. Carli,T. Gosau,U. Holm, N. Krumnack,E. Lohrmann,M. Milite,H. Salehi, P. Schleper,S. Stonjek,K. Wichmann,K. Wick,A. Ziegler,Ar. Ziegler, C. Collins-Tooth, C. Foudas,R. Gonçalo,K. Long,A. Tapper,P. Cloth,D. Filges,M. Kataoka,K. Nagano,K. Tokushuku, S. Yamada,Y. Yamazaki,A. Barakbaev, E. Boos,N. Pokrovskiy,B. Zhautykov,D. Son,K. Piotrzkowski,F. Barreiro,C. Glasman,O. González,L. Labarga,J. del Peso,E. Tassi, J. Terrón,M. Vázquez,M. Zambrana,M. Barbi,F. Corriveau,S. Gliga,J. Lainesse,S. Padhi,D. Stairs,R. Walsh,T. Tsurugai,A. Antonov,P. Danilov,B. Dolgoshein,D. Gladkov,V. Sosnovtsev,S. Suchkov,R. Dementiev,P. Ermolov,Yu. Golubkov,I. Katkov,L. Khein,I. Korzhavina,V. Kuzmin,B. Levchenko,O. Lukina,A. Proskuryakov,L. Shcheglova,S. Zotkin,N. Coppola,S. Grijpink, E. Koffeman,P. Kooijman,E. Maddox,A. Pellegrino,S. Schagen,H. Tiecke,J. Velthuis,L. Wiggers,E. de Wolf,N. Brümmer, B. Bylsma,L. Durkin,T. Ling,A. Cooper-Sarkar,A. Cottrell,R. Devenish,B. Foster,G. Grzelak,C. Gwenlan,S. Patel,P. Straub,R. Walczak,A. Bertolin,R. Brugnera, R. Carlin,F. Corso, S. Dusini,A. Garfagnini,S. Limentani,A. Longhin,A. Parenti,M. Posocco,L. Stanco,M. Turcato,E. Heaphy,F. Metlica,B. Oh, J. Whitmore,Y. Iga,G. D’Agostini,G. Marini,A. Nigro,C. Cormack,J. Hart,N. McCubbin,C. Heusch,I. Park,N. Pavel, H. Abramowicz,A. Gabareen,S. Kananov,A. Kreisel,A. Levy,M. Kuze,T. Fusayasu,S. Kagawa,T. Kohno,T. Tawara,T. Yamashita,R. Hamatsu,T. Hirose,M. Inuzuka,H. Kaji,S. Kitamura,K. Matsuzawa,M. Ferrero, V. Monaco, R. Sacchi, A. Solano,M. Arneodo, M. Ruspa,T. Koop,J. Martin,A. Mirea,J. Butterworth,R. Hall-Wilton,T. Jones,M. Lightwood,M. Sutton,C. Targett-Adams,J. Ciborowski,R. Ciesielski,P. Łużniak,R. Nowak,J. Pawlak,J. Sztuk,T. Tymieniecka,A. Ukleja,J. Ukleja,A. Żarnecki,M. Adamus,P. Plucinski,Y. Eisenberg,L. Gladilin,D. Hochman,U. Karshon,M. Riveline,D. Kçira, S. Lammers,L. Li,D. Reeder,M. Rosin, A. Savin,W. Smith,A. Deshpande,S. Dhawan,S. Bhadra,C. Catterall,S. Fourletov,G. Hartner,S. Menary,M. Soares,J. Standage

PHYSICAL REVIEW D（2004）

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摘要

Cross sections for e(+)p neutral current deep inelastic scattering have been measured at a center-of-mass energy of roots=318 GeV with the ZEUS detector at HERA using an integrated luminosity of 63.2 pb(-1). The double-differential cross section, d(2)sigma/dxdQ(2), is presented for 200 GeV2200 GeV2. The effect of Z-boson-exchange is seen in dsigma/dx measured for Q(2)>10 000 GeV2. The data presented here were combined with ZEUS e(+)p neutral current data taken at roots=300 GeV and the structure function F-2(em) was extracted. All results agree well with the predictions of the Standard Model.

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