Measurement of the s dependence of jet production at the CERN pp collider

J.A. Appel, P. Bagnaia, M. Banner, R. Battiston, K. Bernlöhr, K. Borer, M. Borghini, G. Carboni, V. Cavasinni, P. Cenci, J.-C. Chollet, A.G. Clark, A. Codino, C. Conta, P. Darriulat, B. De Lotto, T. Del Prete, L. Di Lella, J. Dines-Hansen, K. EinsweilerR. Engelmann, L. Fayard, M. Fraternali, D. Froidevaux, J.-M. Gaillard, O. Gildemeister, V.G. Goggi, C. Gössling, B. Hahn, H. Hänni, J.R. Hansen, P. Hansen, N. Harnew, T. Himel, L. Iconomidou-Fayard, P. Jenni, E.E. Kluge, O. Kofoed-Hansen, E. Lançon, M. Livan, S. Loucatos, B. Madsen, P. Mani, B. Mansoulié, G.C. Mantovani, L. Mapelli, K. Meier, B. Merkel, R. Mollerud, M. Moniez, R. Moning, M. Morganti, C. Onions, G. Parrour, F. Pastore, M. Pepe, H. Plothow-Besch, M. Polverel, A. Putzer, L.O. Rasmussen, J.-P. Repellin, A. Rimoldi, A.F. Rothenberg, A. Roussarie, V. Ruhlmann, G. Sauvage, J. Schacher, M. Schlötelburg, F. Stocker, M. Swartz, J. Teiger, K. Tittel, S.N. Tovey, W.Y. Tsang, M. Valdata-Nappi, V. Vercesi, A.R. Weidberg, M. Wunsch, H. Zaccone

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    The production of very large transverse momentum (pT) hadron jets has been measured in the UA2 experiment at the CERN pp Collider for s=630 GeV. The inclusive jet production cross sections exhibit a pT-dependent increase with respect to the s=546 GeV data from previous Collider runs. This increase can be described both by QCD calculations and by approximate xT=2pT/√s scaling. No significant deviation of the data from QCD predictions is observed at very large pT, placing a lower limit on the characteristic scale Λc of a hypothetical superstrong contact interaction responsible for the binding of preons in the quark (Λc>370 GeV at 95% CL).
    Original languageEnglish
    JournalPhysics Letters B: Particle Physics, Nuclear Physics and Cosmology
    Volume160
    Issue number4-5
    Pages (from-to)349-356
    ISSN0370-2693
    Publication statusPublished - 1985

    Bibliographical note

    UA2 Collaboration.

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