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    Production of low transverse energy clusters in p p collisions at √s=0.2–0.9 TeV and their interpretation in terms of QCD jets (English)

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    In: Nuclear Physics B ; 309 , 3 ; 405-425  ; 1988
    • ISSN:
      0550-3213
    • Article (Journal)  /  Electronic Resource

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    Abstract The production of transverse energy clusters in minimum bias proton-antiproton collisions at the CERN SPS Collider is studied with the UA1 detector over a new range of centre of mass energies (√s = 0.2−0.9 TeV). This study is intended to investigate how low in transverse momentum perturbative QCD is able to describe the dynamics of hadron collisions. We observe that clusters with transverse energy in excess of a few GeV exhibit properties in agreement with QCD expectations for parton scattering, supporting their interpretation in terms of jet production. We find that the jet-event rate represents a sizeable fraction of the inelastic rate and is increasing with √s over the measured energy range.

    Table of contents – Volume 309, Issue 3

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    405
    Production of low transverse energy clusters in p p collisions at √s=0.2–0.9 TeV and their interpretation in terms of QCD jets
    Albajar, C. / Albrow, M.G. / Allkofer, O.C. / Astbury, A. / Aubert, B. / Axon, T. / Bacci, C. / Bacon, T. / Bains, N. / Batley, J.R. et al. | 1988
    426
    ϑ(1700) and ξ(2230) resonances in the π −p→Ks 0Ks 0n reaction at momentum 40 GeV/c
    Bolonkin, B.V. / Bloshenko, S.K. / Vladimirsky, V.V. / Grigortev, V.K. / Grishin, A.P. / Erofeev, I.A. / Erofeeva, O.N. / Katinov, Yu.V. / Korol'kov, I.Yu. / Lisin, V.I. et al. | 1988
    439
    Soft-gluon factorization and multi-gluon amplitude
    Fiorani, F. / Marchesini, G. / Reina, L. et al. | 1988
    461
    The color structure of gluon emission
    Mangano, Michelangelo et al. | 1988
    476
    Computing finite-temperature loops with ease
    Pisarski, Robert D. et al. | 1988
    493
    Prolegomena to a theory of bifurcating universes: A nonlocal solution to the cosmological constant problem or little lambda goes back to the future
    Banks, Thomas et al. | 1988
    513
    On super-exponential inflation in a higher-dimensional theory of gravity with higher-derivative terms
    Pollock, M.D. et al. | 1988
    533
    Non-orientable foam and an effective planck mass for point-like fermions
    Friedman, John L. / Papastamatiou, Nicolas / Parker, Leonard / Zhang, Huai et al. | 1988
    552
    Quantum dynamics of strings in black hole space times
    de Vega, H.J. / Sánchez, N. et al. | 1988
    577
    The scattering of strings by a black hole
    de Vega, H.J. / Sánchez, N. et al. | 1988
    591
    Macroscopic manifestations of the chiral anomaly in a gravitational field
    Dolgov, A.D. / Khriplovich, I.B. / Zakharov, V.I. et al. | 1988

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