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Measurement of 232Th(n,5n γ) cross sections from 29 MeV to 42 MeV

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Abstract

The excitation function of the reaction 232 Th(n, 5nγ)228 Th from 29 to 42 MeV has been measured for the first time at the quasi-monoenergetic neutron beam of the UCL cyclotron CYCLONE employing the 7Li(p,n) source reaction. Taking advantage of the good energy resolution of the planar High-Purity Germanium (HPGe) detectors, prompt γ-ray spectroscopy was used to detect the γ-rays resulting from the decay of excited states of nuclei created by the (n,xn) reactions. The neutron beam was characterized by a combination of time of flight measurements carried out using a liquid scintillation detector and a 238U fission ionization chamber. Fluence measurements were performed using a proton recoil telescope. The results are compared with TALYS-1.4 code calculations.

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Authors and Affiliations

  1. IPHC, Université de Strasbourg, 23 rue du Loess, 67037, Strasbourg, France

    M. Kerveno, P. Baumann, Ph. Dessagne & G. Rudolf

  2. UMR7178, CNRS, 67037, Strasbourg, France

    M. Kerveno, P. Baumann, Ph. Dessagne & G. Rudolf

  3. Physikalisch-Technische Bundesanstalt, 38116, Braunschweig, Germany

    R. Nolte & M. Reginatto

  4. Atominstitut, Technische Universität Wien, 1020, Wien, Austria

    E. Jericha

  5. Vinca Institute of Nuclear Sciences, P.O. Box 522, 11001, Belgrade, Serbia

    S. Jokic & S. Lukic

  6. Nuclear Research and Consultancy Group, P.O. Box 25, NL-1755, Petten, The Netherlands

    A. J. Koning

  7. Institut de Physique Nucléaire, 1348, Louvain-la-Neuve, Belgium

    J. P. Meulders

  8. Département de physique, Faculté Poly-disciplinaire de Safi, Université Cadi Ayyad, 46000, Safi, Morocco

    A. Nachab

  9. University of Vienna, Faculty of Physics, 1090, Wien, Austria

    A. Pavlik

Authors
  1. M. Kerveno
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  2. R. Nolte
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  3. P. Baumann
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  4. Ph. Dessagne
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  5. E. Jericha
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  6. S. Jokic
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  7. A. J. Koning
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  8. S. Lukic
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  9. J. P. Meulders
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  10. A. Nachab
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  11. A. Pavlik
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  12. M. Reginatto
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  13. G. Rudolf
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Corresponding author

Correspondence to M. Kerveno.

Additional information

Communicated by P. Woods

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Kerveno, M., Nolte, R., Baumann, P. et al. Measurement of 232Th(n,5n γ) cross sections from 29 MeV to 42 MeV. Eur. Phys. J. A 50, 162 (2014). https://doi.org/10.1140/epja/i2014-14162-2

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  • DOI: https://doi.org/10.1140/epja/i2014-14162-2

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