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A study of π andK production in proton-uranium and oxygen-uranium interactions at 22 GeV/A using decay muons

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Zeitschrift für Physik C Particles and Fields

Abstract

The like-sign dimuons copiously recorded in the NA 38 experiment both inp-U and O−U reactions at 200 GeV/nucleon are interpreted as resulting from decays of π andK mesons in comparable proportions. The ++/−− ratio is large (≃1.7) and ascribed to theK + being more copiously produced than theK −. Both the average transverse momentum and the ++/−− ratio are comparable forp-U and O−U reactions, and both increase only slightly with the transverse energyE T.

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Authors and Affiliations

  1. LAPP, CNRS-IN2P3, F-74019, Annecy-Le Vieux, France

    C. Baglin, A. Bussiere & J. P. Guillaud

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

    P. Sonderegger

  3. LPC, Université de Clermont-Ferrand and CNRS-INP2P3, F-63170, Aubière, France

    A. Baldit, J. Castor, A. Devaux, J. Fargeix, X. Felgeyrolles, P. Force, L. Fredj & G. Landaud

  4. LPNHE, Ecole Polytechnique and CNRS-IN2P3, F-91128, Palaiseau, France

    S. Borenstein, P. Busson, C. Charlot, B. Chaurand, L. Kluberg, A. Romana & R. Salmeron

  5. LIP, P-1699, Lisboa, Portugal

    M. C. Abreu, G. P. Barreira, P. Bordalo, A. Casaca, J. M. Gago, P. Gomes, C. Lourenço, A. Maio, L. Peralta, M. Pimenta, S. Ramos & J. Varela

  6. IPNL, Univ. de Lyon and CNRS-IN2P3, F-69622, Villeurbanne, France

    M. Alimi, M. Bedjidian, D. Contardo, E. Descroix, J. Y. Grossiord, A. Guichard, R. Haroutunian & J. R. Pizzi

  7. IPN, Univ. de Paris-Sud and CNRS-IN2P3, F-91406, Orsay, France

    C. Gerschel & A. Sinquin

  8. CRN, CNRS-IN2P3 and Univ. Louis Pasteur, F-67037, Strasbourg, France

    J. Britz, P. Gorodetzky, L. Kraus, I. Linck & C. Racca

  9. IFIC, E-46100, Bourjasot, Valencia, Spain

    R. Cases

Authors
  1. M. C. Abreu
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  2. M. Alimi
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  3. C. Baglin
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  4. A. Baldit
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  5. G. P. Barreira
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  6. M. Bedjidian
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  7. P. Bordalo
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  8. S. Borenstein
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  9. J. Britz
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  10. A. Bussiere
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  11. P. Busson
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  12. A. Casaca
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  13. R. Cases
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  14. J. Castor
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  15. C. Charlot
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  16. B. Chaurand
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  17. D. Contardo
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  18. E. Descroix
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  19. A. Devaux
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  20. J. Fargeix
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  21. X. Felgeyrolles
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  22. P. Force
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  23. L. Fredj
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  24. J. M. Gago
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  25. C. Gerschel
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  26. P. Gomes
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  27. P. Gorodetzky
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  28. J. Y. Grossiord
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  29. A. Guichard
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  30. J. P. Guillaud
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  31. R. Haroutunian
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  32. L. Kluberg
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  33. L. Kraus
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  34. G. Landaud
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  35. I. Linck
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  36. C. Lourenço
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  37. A. Maio
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  38. L. Peralta
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  39. M. Pimenta
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  40. J. R. Pizzi
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  41. C. Racca
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  42. S. Ramos
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  43. A. Romana
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  44. R. Salmeron
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  45. A. Sinquin
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  46. P. Sonderegger
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  47. J. Varela
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NA 38 Collaboration

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NA 38 Collaboration., Abreu, M.C., Alimi, M. et al. A study of π andK production in proton-uranium and oxygen-uranium interactions at 22 GeV/A using decay muons. Z. Phys. C - Particles and Fields 38, 129–133 (1988). https://doi.org/10.1007/BF01574526

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  • DOI: https://doi.org/10.1007/BF01574526

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