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Transverse momentum distributions of neutral pions from central and peripheral16O+Au collisions at 200A·GeV

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Zeitschrift für Physik C Particles and Fields

Abstract

The production of neutral pions by the interaction of 200A·GeV p and16O projectiles with a Au target has been studied in the pseudorapidity range 1.5≦η≦2.1. Transverse momentum spectra have been measured between 0.4 GeV/c and 3.6 GeV/c and their dependence on the centrality of the collision has been investigated. The peripheral-collision spectra display a marked change of slope with a hard component starting at about 1.8 GeV/c, in contrast to central-collision data. The data are discussed in comparison to p+p and α+α data from the ISR.

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Author notes

  1. H. Löhner

    Present address: KVI, University of Groningen, NL-9747 AA, Groningen, Netherlands

  2. A. Franz, F. E. Obershain & S. P. Sørensen

    Present address: University of Tennessee, 37996, Knoxville, TN, USA

  3. T. Siemiarczuk

    Present address: Inst. of Nuclear Studies, PL-00681, Warsaw, Poland

Authors and Affiliations

  1. Gesellschaft für Schwerionenforschung (GSI), D-6100, Darmstadt, Federal Republic of Germany

    R. Albrecht, R. Bock, H. H. Gutbrod, B. W. Kolb, I. Lund, H. R. Schmidt & T. Siemiarczuk

  2. Lawrence Berkely Laboratory, 94720, Berkeley, CA, USA

    A. M. Poskanzer & H. G. Ritter

  3. University of Lund, S-22362, Lund, Sweden

    G. Claesson, S. Garpman, H. Å. Gustafsson, P. Kristiansson, A. Oskarsson, I. Otterlund, S. Persson & E. Stenlund

  4. University of Münster, D-4400, Münster, Federal Republic of Germany

    P. Beckmann, F. Berger, G. Clewing, L. Dragon, R. Glasow, K. H. Kampert, H. Löhner, T. Peitzmann, M. Purschke & R. Santo

  5. Oak Ridge National Laboratory, 37831, Oak Ridge, TN, USA

    T. C. Awes, C. Baktash, R. L. Ferguson, A. Franz, I. Y. Lee, F. E. Obershain, F. Plasil, S. P. Sørensen & G. R. Young

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  1. R. Albrecht
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  2. T. C. Awes
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  7. G. Claesson
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  36. G. R. Young
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WA80 Collaboration., Albrecht, R., Awes, T.C. et al. Transverse momentum distributions of neutral pions from central and peripheral16O+Au collisions at 200A·GeV. Z. Phys. C - Particles and Fields 47, 367–375 (1990). https://doi.org/10.1007/BF01565859

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  • DOI: https://doi.org/10.1007/BF01565859

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