Inclusive Jet Cross Section inp¯pCollisions ats=1.8TeV

B. Abbott,M. Abolins,V. Abramov,B. S. Acharya,I. Adam,D. L. Adams,M. Adams,S. Ahn,H. Aihara,H. Alves, N. Amos,E. W. Anderson, R. Astur,M. M. Baarmand,V. V. Babintsev, L. Babukhadia, A. Baden,V. Balamurali, B. Baldin,S. Banerjee,J. Bantly, E. Barberis, P. Baringer,J. F. Bartlett, A. Belyaev,S. B. Beri, I. Bertram,V. A. Bezzubov,P. C. Bhat,V. Bhatnagar, M. Bhattacharjee,N. Biswas,G. Blazey,S. Blessing,P. Bloom, A. Boehnlein,N. I. Bojko,F. Borcherding,C. Boswell,A. Brandt, R. Breedon,R. Brock, A. Bross, D. Buchholz,V. S. Burtovoi,J. M. Butler,W. Carvalho,D. Casey, Z. Casilum, H. Castilla-Valdez, D. Chakraborty,S.-M. Chang,S. V. Chekulaev,L.-P. Chen,W. Chen,S. Choi,S. Chopra,B. C. Choudhary,J. H. Christenson,M. Chung, D. Claes, A. R. Clark,W. G. Cobau, J. Cochran,L. Coney,W. E. Cooper, C. Cretsinger, D. Cullen-Vidal,M. A. C. Cummings, D. Cutts,O. I. Dahl,K. Davis, K. De,K. Del Signore, M. Demarteau,D. Denisov,S. P. Denisov, H. T. Diehl, M. Diesburg,G. Di Loreto,P. Draper,Y. Ducros,L. V. Dudko,S. R. Dugad, A. Dyshkant, D. Edmunds,J. Ellison,V. D. Elvira, R. Engelmann, S. Eno, G. Eppley, P. Ermolov,O. V. Eroshin,V. N. Evdokimov,T. Fahland,M. K. Fatyga,S. Feher,D. Fein, T. Ferbel, G. Finocchiaro,H. E. Fisk, Y. Fisyak, E. Flattum,G. E. Forden, M. Fortner,K. C. Frame, S. Fuess, E. Gallas,A. N. Galyaev, P. Gartung, V. Gavrilov,T. L. Geld,R. J. Genik, K. Genser,C. E. Gerber,Y. Gershtein,B. Gibbard,B. Gobbi,B. Gómez,G. Gómez,P. I. Goncharov,J. L. González Solís, H. Gordon,L. T. Goss, K. Gounder, A. Goussiou, N. Graf,P. D. Grannis,D. R. Green, H. Greenlee,S. Grinstein, P. Grudberg, S. Grünendahl,G. Guglielmo, J. A. Guida,J. M. Guida, A. Gupta,S. N. Gurzhiev, G. Gutierrez,P. Gutierrez, N. J. Hadley, H. Haggerty, S. Hagopian, V. Hagopian,K. S. Hahn,R. E. Hall, P. Hanlet,S. Hansen,J. M. Hauptman,D. Hedin,A. P. Heinson,U. Heintz, R. Hernández-Montoya, T. Heuring, R. Hirosky,J. D. Hobbs, B. Hoeneisen,J. S. Hoftun,F. Hsieh,Ting Hu,Tong Hu, T. Huehn,A. S. Ito, E. James, J. Jaques,S. A. Jerger,R. Jesik, T. Joffe-Minor, K. Johns, M. Johnson, A. Jonckheere,M. Jones, H. Jöstlein,S. Y. Jun, C. K. Jung,S. Kahn, G. Kalbfleisch,D. Karmanov,D. Karmgard, R. Kehoe,M. L. Kelly,S. K. Kim,B. Klima, C. Klopfenstein,W. Ko,J. M. Kohli, D. Koltick,A. V. Kostritskiy, J. Kotcher,A. V. Kotwal,A. V. Kozelov,E. A. Kozlovsky,J. Krane,M. R. Krishnaswamy,S. Krzywdzinski,S. Kuleshov, S. Kunori, F. Landry, G. Landsberg, B. Lauer,A. Leflat, J. Li,Q. Z. Li-Demarteau, J. G. R. Lima,D. Lincoln,S. L. Linn,J. Linnemann, R. Lipton, F. Lobkowicz,S. C. Loken,A. Lucotte, L. Lueking,A. L. Lyon, A. K. A. Maciel,R. J. Madaras,R. Madden, L. Magaña-Mendoza, V. Manankov, S. Mani,H. S. Mao, R. Markeloff,T. Marshall,M. I. Martin, K. M. Mauritz,B. May,A. A. Mayorov, R. McCarthy,J. McDonald, T. McKibben,J. McKinley,T. McMahon,H. L. Melanson, M. Merkin,K. W. Merritt,C. Miao, H. Miettinen,A. Mincer,C. S. Mishra,N. Mokhov, N. K. Mondal, H. E. Montgomery, P. Mooney,M. Mostafa,H. da Motta,C. Murphy, F. Nang,M. Narain,V. S. Narasimham,A. Narayanan,H. A. Neal,J. P. Negret,P. Nemethy,D. Norman, L. Oesch, V. Oguri,E. Oliveira, E. Oltman, N. Oshima,D. Owen, P. Padley,A. Para,Y. M. Park, R. Partridge, N. Parua, M. Paterno,B. Pawlik,J. Perkins,M. Peters, R. Piegaia, H. Piekarz,Y. Pischalnikov,B. G. Pope,H. B. Prosper, S. Protopopescu, J. Qian,P. Z. Quintas,R. Raja,S. Rajagopalan, O. Ramirez, S. Reucroft, M. Rijssenbeek,T. Rockwell, M. Roco, P. Rubinov, R. Ruchti,J. Rutherfoord,A. Sánchez-Hernández, A. Santoro,L. Sawyer,R. D. Schamberger, H. Schellman, J. Sculli, E. Shabalina,C. Shaffer,H. C. Shankar,R. K. Shivpuri, M. Shupe,H. Singh,J. B. Singh, V. Sirotenko,E. Smith, R. P. Smith, R. Snihur,G. R. Snow,J. Snow,S. Snyder,J. Solomon,M. Sosebee,N. Sotnikova,M. Souza,A. L. Spadafora, G. Steinbrück,R. W. Stephens,M. L. Stevenson,D. Stewart,F. Stichelbaut,D. Stoker, V. Stolin,D. A. Stoyanova, M. Strauss,K. Streets,M. Strovink, A. Sznajder, P. Tamburello, J. Tarazi,M. Tartaglia, T. L. T. Thomas,J. Thompson,T. G. Trippe,P. M. Tuts, V. Vaniev, N. Varelas,E. W. Varnes,D. Vititoe,A. A. Volkov,A. P. Vorobiev,H. D. Wahl,G. Wang,J. Warchol, G. Watts, M. Wayne, H. Weerts, A. White,J. T. White,J. A. Wightman,S. Willis,S. J. Wimpenny, J. V. D. Wirjawan, J. Womersley, E. Won,D. R. Wood,Z. Wu,H. Xu,R. Yamada,P. Yamin,T. Yasuda, P. Yepes,K. Yip, C. Yoshikawa,S. Youssef,J. Yu, Y. Yu,B. Zhang, Y. Zhou,Z. Zhou,Z. H. Zhu,M. Zielinski, D. Zieminska, A. Zieminski,E. G. Zverev, A. Zylberstejn

user-5f8411ab4c775e9685ff56d3（1999）

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摘要

The inclusive jet differential cross section has been measured for jet transverse energies, ${E}_{T}$, from 15 to 440 GeV, in the pseudorapidity region $0.1\ensuremath{\le}|\ensuremath{\eta}|\ensuremath{\le}0.7$. The results are based on $19.5\mathrm{pb}{}^{\ensuremath{-}1}$ of data collected by the CDF Collaboration at the Fermilab Tevatron collider. The data are compared with QCD predictions for various sets of parton distribution functions. The cross section for jets with ${E}_{T}g200\phantom{\rule{0ex}{0ex}}\mathrm{GeV}$ is significantly higher than current predictions based on $O({\ensuremath{\alpha}}_{s}^{3})$ perturbative QCD calculations. Various possible explanations for the high- ${E}_{T}$ excess are discussed.

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关键词

Distribution function,Perturbative QCD,Pseudorapidity,Quantum chromodynamics,Tevatron,Parton,Quark,Fermilab,Particle physics,Physics

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