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Search for an enhanced production of low energy pions in C(p, π+)X, Cu(p, π+)X, and Cu(p, π∘)X reactions for 300 MeV≦Tp≦400 MeV

  • Nuclear Structure and Reactions
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Zeitschrift für Physik A Hadrons and Nuclei

Abstract

The observation of an enhancement in the production of low energy pions in the Cu(p, π+)X reaction is confirmed. The width of the bump is about 5 MeV around 350 MeV. A similar enhancement appears at 330 MeV for C(p, π+)X but the width has not been measured. An attempt to observe this behaviour in Cu(p, π∘)X is described. From the data one cannot conclude about the existence of a structure around 350 MeV proton energy. The lack of resolution in theπ∘ spectrometer may have washed out the small effect expected fromπ + measurements.

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Author notes

  1. G. S. Papparlado

    Present address: INFN, Corso Italia 57, I-95129, Catania, Italy

  2. H. Dabrowski

    Present address: Institute of Nuclear Physics im. H. Niewodniczanskiego, Radzikowskiego 152, PL-31-432, Cracow, Poland

  3. C. Cerutti

    Present address: Université Louis Pasteur, F-67037, Strasbourg Cedex, France

  4. L. Bimbot

    Present address: Rutgers University, P.O. Box 849, 08855, Piscataway, NJ, USA

Authors and Affiliations

  1. Département de Physique Nucléaire, CEN Saclay, F-91191, Gif-Sur-Yvette Cedex, France

    J. Julien, M. Bolore, J. Gosset, J. M. Hisleur, A. Mougeot, G. S. Papparlado, B. Saghai & G. Sanouillet

  2. Laboratoire de Physique Nucléaire de Nantes, UAIN2P3/CNRS, 2, Rue de la Houssinière, F-44072, Nantes Cedex 03, France

    D. Ardouin, H. Dabrowski, B. Erazmus & C. Lebrun

  3. Dipartimento di Fisica, Universita di Catania, Corso Italia 57, I-95129, Catania, Italy

    V. Bellini & L. Sperduto

  4. Laboratoire National Saturne, F-91191, Gif-Sur-Yvette Cedex, France

    C. Cerutti & S. Leray

  5. Institut des Sciences Nucléaires, 53, Avenue des Martyrs, F-38026, Grenoble Cedex, France

    D. Lebrun & P. De Saintignon

  6. Swedberg Laboratory, S-75121, Uppsala, Sweden

    T. Johansson

  7. Institut für Kernphysik, D-52425, Jülich, Germany

    K. Kilian

  8. Institut de Physique Nucléaire, B.P. n∘ 1, F-01406, Orsay Cedex, France

    L. Bimbot

Authors
  1. J. Julien
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  2. M. Bolore
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  3. J. Gosset
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  4. J. M. Hisleur
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  5. A. Mougeot
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  6. G. S. Papparlado
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  7. B. Saghai
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  8. G. Sanouillet
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  9. D. Ardouin
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  10. H. Dabrowski
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  11. B. Erazmus
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  12. C. Lebrun
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  13. V. Bellini
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  14. L. Sperduto
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  15. C. Cerutti
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  16. S. Leray
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  17. D. Lebrun
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  18. P. De Saintignon
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  19. T. Johansson
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  20. K. Kilian
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  21. L. Bimbot
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Julien, J., Bolore, M., Gosset, J. et al. Search for an enhanced production of low energy pions in C(p, π+)X, Cu(p, π+)X, and Cu(p, π∘)X reactions for 300 MeV≦Tp≦400 MeV. Z. Physik A - Hadrons and Nuclei 347, 181–184 (1994). https://doi.org/10.1007/BF01292374

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  • DOI: https://doi.org/10.1007/BF01292374

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