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Coherent single pion production by antineutrino charged current interactions and test of PCAC

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Zeitschrift für Physik C Particles and Fields

Abstract

The cross section for coherent production of a single π− meson in charged current antineutrino interactions on neon nuclei has been measured in BEBC to be (175±25) 10−40 cm2/neon nucleus, averaged over the energy spectrum of the antineutrino wide band beam at the CERN SPS; this corresponds to (0.9±0.1) % of the total charged current\(\bar v_\mu \) cross section. The distributions of kinematical variables are in agreement with theoretical predictions based on the PCAC hypothesis and the meson dominance model; in particular, theQ 2 dependence is well described by a propagator containing a massm=(1.35±0.18) GeV. The absolute value of the cross section is also in agreement with the model. This analysis thus provides a test of the PCAC hypothesis in the antineutrino energy range 5–150 GeV.

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Author notes

  1. R. P. Middleton

    Present address: Rutherford Appleton Laboratory, Chilton, OX1 10QX, Didcot, UK

  2. P. Kasper

    Present address: DPhPE, Centre d'Etudes Nucléaires, Saclay, F-91191, Gif-sur-Yvette, France

  3. J. Wells

    Present address: University of Glasgow, UK

Authors and Affiliations

  1. Dipartimento di Fisica dell'Università e Sezione INFN, I-70126, Bari, Italy

    N. Armenise, M. Calicchio, O. Erriquez & S. Natali

  2. University of Birmingham, B 15 2TT, Birmingham, UK

    G. T. Jones, R. P. Middleton, S. W. O'Neale & K. Varvell

  3. Inter-University Institute for High Energies, ULB-VUB, B-1050, Brussels, Belgium

    P. Marage (Chercheur sur ARC no 65/84-89, Belgium), D. Bertrand (Chercheur qualifié FNRS, Belgium) & J. Sacton

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

    H. Klein, D. R. O. Morrison, M. A. Parker & H. Wachsmuth

  5. Nuclear Research Centre Demokritos, G-Athens, Greece

    E. Simopoulou & A. Vayaki

  6. Ecole Polytechnique, LPNHE, F-91128, Palaiseau, France

    V. Brisson, P. Petiau & C. Vallée

  7. Imperial College of Science and Technology, SW7 2AZ, London, UK

    E. F. Clayton, F. Hamisi, D. B. Miller & M. M. Mobayyen

  8. Institute of Nuclear Physics, PL-30055, Cracow, Poland

    W. Burkot & T. Coghen

  9. Max-Planck-Institut für Physik und Astrophysik, D-8000, München, Federal Republic of Germany

    M. Aderholz & W. Wittek

  10. Department of Nuclear Physics, OX1 3RH, Oxford, UK

    P. Allport & J. Wells

  11. Rutherford Appleton Laboratory, Chilton, OX1 10QX, Didcot, UK

    A. M. Cooper-Sarkar, J. Guy, P. Kasper & W. Venus

  12. DPhPE, Centre d'Etudes Nucléaires, Saclay, F-91191, Gif-sur-Yvette, France

    J. P. Baton, G. Gerbier & M. Neveu

  13. Institute of Physics, University of Stockholm, S-11346, Stockholm, Sweden

    M. Berggren & P. O. Hulth

  14. Department of Physics and Astronomy, University College, WC1E 6BT, London, UK

    F. W. Bullock, P. J. Fitch & R. A. Sansum

Authors
  1. P. Marage
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  2. M. Aderholz
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  3. P. Allport
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  4. N. Armenise
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  5. J. P. Baton
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  6. M. Berggren
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  7. D. Bertrand
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  8. V. Brisson
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  9. F. W. Bullock
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  10. W. Burkot
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  11. M. Calicchio
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  12. E. F. Clayton
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  13. T. Coghen
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  14. A. M. Cooper-Sarkar
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  15. O. Erriquez
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  16. P. J. Fitch
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  17. G. Gerbier
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  18. J. Guy
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  19. F. Hamisi
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  20. P. O. Hulth
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  21. G. T. Jones
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  22. P. Kasper
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  23. H. Klein
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  24. R. P. Middleton
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  25. D. B. Miller
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  26. M. M. Mobayyen
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  27. D. R. O. Morrison
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  28. S. Natali
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  29. M. Neveu
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  30. S. W. O'Neale
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  31. M. A. Parker
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  32. P. Petiau
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  33. J. Sacton
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  34. R. A. Sansum
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  35. E. Simopoulou
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  36. C. Vallée
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  37. K. Varvell
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  38. A. Vayaki
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  39. W. Venus
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  40. H. Wachsmuth
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  41. J. Wells
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  42. W. Wittek
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Consortia

BEBC WA59 Collaboration

Additional information

Supported by an SERC Research Studentship, UK

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BEBC WA59 Collaboration., Marage, P., Aderholz, M. et al. Coherent single pion production by antineutrino charged current interactions and test of PCAC. Z. Phys. C - Particles and Fields 31, 191–197 (1986). https://doi.org/10.1007/BF01479526

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  • DOI: https://doi.org/10.1007/BF01479526

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