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A study of the production of high-p t π0 at the CERN intersecting storage rings

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Zeitschrift für Physik C Particles and Fields

Abstract

The inclusive cross-section for π0 production near 90° inpp collisions at the CERN Intersecting Storage Rings has been studied for thep T range 3<p T <16GeV/c at four different centre-of-mass energies (\(\sqrt s = 30.6\), 44.8, 52.7, and 62.8 GeV). In this experiment the two photons from the π0→yy decay were resolved and measured separately forp T values up to 10 GeV/c. Results indicate an agreement with thep −8 T behaviour for the lower values ofp T and a slower decrease of the cross-section for the higher values ofp T . The high-p T data deviate from the scaling expressionp −n T F(x T ), which holds for the lowerp T values (p T <8GeV/c).

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Author notes

  1. T. Fields

    Present address: Argonne National Laboratory, Argonne, IL, USA

  2. D. Lissauer

    Present address: Tel-Aviv University, Israel

  3. I. Mannelli & A. Nappi

    Present address: Sezione di Pisa, the University of Pisa and INFN, Italy

Authors and Affiliations

  1. Athens University, Athens, Greece

    C. Kourkoumelis & L. K. Resvanis

  2. National Technical University, Athens, Greece

    T. A. Filippas & E. Fokitis

  3. Brookhaven National Laboratory, Upton, NY, USA

    A. M. Chops, S. Iwata, R. B. Palmer, D. C. Rahm, P. Rehak & I. Stumer

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

    C. W. Fabjan, T. Fields, D. Lissauer, I. Mannelli, P. Mouzourakis, A. Nappi & W. J. Willis

Authors
  1. C. Kourkoumelis
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  2. L. K. Resvanis
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  3. T. A. Filippas
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  4. E. Fokitis
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  5. A. M. Chops
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  6. S. Iwata
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  7. R. B. Palmer
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  8. D. C. Rahm
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  9. P. Rehak
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  10. I. Stumer
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  11. C. W. Fabjan
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  12. T. Fields
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  13. D. Lissauer
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  14. I. Mannelli
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  15. P. Mouzourakis
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  16. A. Nappi
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  17. W. J. Willis
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Kourkoumelis, C., Resvanis, L.K., Filippas, T.A. et al. A study of the production of high-p t π0 at the CERN intersecting storage rings. Z. Phys. C - Particles and Fields 5, 95–104 (1980). https://doi.org/10.1007/BF01576190

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  • DOI: https://doi.org/10.1007/BF01576190

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