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Charged particle spectra in αα and αp collisions at the CERN ISR

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Zeitschrift für Physik C Particles and Fields

Abstract

Momenta of charged particles produced in inelastic αα, αp, andpp collisions were measured using the Split-Field-Magnet detector at the CERN Intersecting Storage Rings. Inclusive and semi-in-clusive spectra are presented as a function of rapidityy, Feynman-x, and transverse momentump T . The inclusivey distributions agree well with predictions of the dual parton model; the highest particle densities are reached aty≃0 and the momenta of leading protons decrease significantly for increasing total multiplicity. ‘Temperatures’ are equal in αα, αp, andpp interactions. Thep T distributions depend weakly on the multiplicity.

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Author notes

  1. K. Braune

    Present address: SLAC, 94305, Stanford, CA, USA

  2. G. Glaesson, W. Geist & M. Heiden

    Present address: LBL, 94720, Berkeley, CA, USA

  3. H. Frehse

    Present address: Brown Boveri, CH-5300, Turgi-Baden, Switzerland

  4. T. J. Ketel

    Present address: Natuurkundig Lab., Vrije Universiteit, NL-1081 HV, Amsterdam, Netherlands

  5. T. Nakada

    Present address: SIN, CH-5234, Villigen, Switzerland

  6. R. Szwed

    Present address: Institute of Experimental Physics, University of Warsaw, Poland

Authors and Affiliations

  1. CERN, CH-1211, Geneva 23, Switzerland

    W. Bell, D. Drijard, M. A. Faessler, H. G. Fischer, H. Frehse, W. Geist, P. G. Innocenti, G. Mornacchi, M. Szczekowski & O. Ullaland

  2. Max Planck Institut für Kernphysik, D-6900, Heidelberg, Federal Republic of Germany

    K. Braune, T. J. Ketel, B. Povh & R. Szwed

  3. Division of Cosmic and Subatomic Physics, University, S-22362, Lund, Sweden

    G. Glaesson, S. Garpman, I. Lund, I. Otterlund & E. Stenlund

  4. Nuclear Science Division, LBL, University of California, 94720, Berkeley, CA, USA

    C. Gruhn & T. J. M. Symons

  5. Institut für Hochenergiephysik der Universität, D-6900, Heidelberg, Federal Republic of Germany

    P. Hanke, M. Heiden, W. Herr, E. E. Kluge, T. Nakada, A. Putzer, B. Rensch & M. Wunsch

Authors
  1. W. Bell
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  2. K. Braune
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  3. G. Glaesson
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  4. D. Drijard
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  5. M. A. Faessler
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  6. H. G. Fischer
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  7. H. Frehse
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  8. S. Garpman
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  9. W. Geist
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  10. C. Gruhn
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  11. P. Hanke
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  12. M. Heiden
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  13. W. Herr
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  14. P. G. Innocenti
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  15. T. J. Ketel
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  16. E. E. Kluge
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  17. I. Lund
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  18. G. Mornacchi
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  19. T. Nakada
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  20. I. Otterlund
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  21. B. Povh
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  22. A. Putzer
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  23. B. Rensch
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  24. E. Stenlund
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  25. T. J. M. Symons
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  26. M. Szczekowski
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  27. R. Szwed
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  28. O. Ullaland
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  29. M. Wunsch
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Bell, W., Braune, K., Glaesson, G. et al. Charged particle spectra in αα and αp collisions at the CERN ISR. Z. Phys. C - Particles and Fields 27, 191–203 (1985). https://doi.org/10.1007/BF01556609

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  • DOI: https://doi.org/10.1007/BF01556609

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