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Inclusive 2(3He,t) reaction at 2 GeV

  • Hadron physics
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The European Physical Journal A - Hadrons and Nuclei Aims and scope Submit manuscript

Abstract:

The inclusive 2(3He,t) reaction has been studied at 2 GeV for energy transfers up to 500 MeV and scattering angles from 0.250 up to 40. Data are well reproduced by a model based on a coupled-channel approach for describing the NN and NΔ systems. The effect of final state interaction is important in the low energy part of the spectra. In the delta region, the cross-section is very sensitive to the effects of Δ-N interaction and ΔN → NN process. The latter has also a large influence well below the pion threshold. The calculation underestimates the experimental cross-section between the quasi-elastic and the delta peaks; this is possibly due to projectile excitation or purely mesonic exchange currents.

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Authors and Affiliations

  1. Institut de Physique Nucléaire, IN2P3(CNRS), 91406 Orsay Cedex, France, , , , , , FR

    B. Ramstein, D. Bachelier, J.L. Boyard, T. Hennino, J.C. Jourdain, P. Radvanyi & M. Roy-Stephan

  2. Institut für Kernphysik, Forschungszentrum Jülich GmbH, 52425 Jülich, Germany, , , , , , DE

    C.A. Mosbacher

  3. Institute of Physics, University of Lund, 223 62 Lund, Sweden, , , , , , SE

    I. Berquist, A. Brockstedt, L. Carlén & P. Ekström

  4. Laboratoire National Saturne, IN2P3(CNRS) and DSM(CEA), 91191 Gif-sur-Yvette Cedex, France, , , , , , FR

    M. Boivin

  5. Niels Bohr Institute, University of Copenhagen, 2100 Copenhagen, Danemark, , , , , , DK

    R. Dahl, C. Ellegaard, C. Gaarde & J.S. Larsen

  6. Indiana University, Bloomington, IN 47405, USA, , , , , , US

    C. Goodman

Authors
  1. B. Ramstein
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  2. C.A. Mosbacher
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  3. D. Bachelier
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  4. I. Berquist
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  5. M. Boivin
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  6. J.L. Boyard
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  7. A. Brockstedt
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  8. L. Carlén
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  9. R. Dahl
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  10. P. Ekström
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  11. C. Ellegaard
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  12. C. Gaarde
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  13. T. Hennino
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  14. J.C. Jourdain
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  15. C. Goodman
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  16. J.S. Larsen
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  17. P. Radvanyi
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  18. M. Roy-Stephan
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Additional information

Received: 19 April 1999 / Revised version: 5 July 1999

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Ramstein, B., Mosbacher, C., Bachelier, D. et al. Inclusive 2(3He,t) reaction at 2 GeV . EPJ A 6, 225–233 (1999). https://doi.org/10.1007/s100500050338

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  • DOI: https://doi.org/10.1007/s100500050338

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