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Resolution of discrepancy between backward angle cross-section data for neutron-deuteron elastic scattering

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Abstract

High-accuracy differential cross-section data for neutron-deuteron elastic scattering at centre-of-mass backward angles in the range from 140° to 178° have been measured to accuracies better than ±3% for incident neutron energies of 8.0, 10.0, and 14.0 MeV. The measurements were made by detection of the recoil deuterons and protons from a mixed CD2-CH2 foil. The new data are compared to existing data and to three-nucleon calculations with the Bonn-B nucleon-nucleon potential. We conclude that the present measurements unambiguously resolve the discrepancies among previously reported data of the same type.

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Author notes

  1. R. S. Pedroni

    Present address: NSCL, Michigan State University, 48824, East Lansing, MI, USA

  2. N. Al-Niemi

    Present address: Mathematics Department, Kent State University, 44242, Kent, OH, USA

Authors and Affiliations

  1. Department of Physics, Duke University, 27708-0308, Durham, NC

    C. R. Howell, W. Tornow, H. R. Setze, R. T. Braun, D. E. Gonzalez Trotter & C. D. Roper

  2. Triangle Universities Nuclear Laboratory, 27708-0308, Durham, NC, USA

    C. R. Howell, W. Tornow, H. R. Setze, R. T. Braun, D. E. Gonzalez Trotter & C. D. Roper

  3. Department of Physics, Ohio University, 45701, Athens, OH, USA

    R. S. Pedroni, S. M. Grimes, C. E. Brient, N. Al-Niemi & F. C. Goeckner

  4. Physikalisches Institut, Universität Tübingen, Auf der Morgenstelle 14, D-72076, Tübingen, Germany

    G. Mertens

Authors
  1. C. R. Howell
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  2. W. Tornow
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  3. H. R. Setze
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  4. R. T. Braun
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  5. D. E. Gonzalez Trotter
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  6. C. D. Roper
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  7. R. S. Pedroni
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  8. S. M. Grimes
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  9. C. E. Brient
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  10. N. Al-Niemi
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  11. F. C. Goeckner
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  12. G. Mertens
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Howell, C.R., Tornow, W., Setze, H.R. et al. Resolution of discrepancy between backward angle cross-section data for neutron-deuteron elastic scattering. Few-Body Systems 16, 127–142 (1994). https://doi.org/10.1007/BF01355285

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  • DOI: https://doi.org/10.1007/BF01355285

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