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Study of the excitation functions of27Al(n, α)24Na,27Al(n, p)27Mg and28Si(n, p)28Al reactions

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Zeitschrift für Physik A Atomic Nuclei

Abstract

Cross sections for the reactions27Al(n, p)27Mg and28Si(n,p)28Al were measured by activation method between 13.40 and 14.83 MeV neutron energy. An accuracy of about 4% was achieved using the27Al(n, α)24Na reaction as a reference at 14.1 MeV where the relative excitation function has also been measured. Results obtained were compared to a recent compilation and that calculated by the Hauser-Feshbach model. Using the back-shifted level density formula and taking into account the contribution of the separated levels, the calculations were extended to the energy range from the threshold to 18 MeV. A structure was observed in the27Al(n, α)24Na reaction cross section curve around 14 MeV neutron energy.

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Authors and Affiliations

  1. Institute of Experimental Physics, Kossuth University, Debrecen, Hungary

    J. Csikai, Zs. Lantos & S. Sudár

  2. Fast Neutron Research Facility, Department of Physics, Chiang Mai University, Chiang Mai, Thailand

    T. Chimoye, T. Vilaithong & N. Chirapatpimol

Authors
  1. J. Csikai
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  2. Zs. Lantos
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  3. S. Sudár
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  4. T. Chimoye
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  5. T. Vilaithong
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  6. N. Chirapatpimol
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Additional information

This work was performed under the “ 14 MeV Coordinated Research Programme” organized by the International Atomic Energy Agency, Vienna and supported in part by the Hungarian Academy of Sciences

The authors are grateful to the International Atomic Energy Agency, Vienna and the International Seminar in Physics, Uppsala for their support to establish the Fast-Neutron Research Facility at the Chiang Mai University. Thanks are due to Mrs. M. Juhász (IEP) and Mr. G.G. Hoyes (CMU) for their kind assistance during the measurements.

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Csikai, J., Lantos, Z., Sudár, S. et al. Study of the excitation functions of27Al(n, α)24Na,27Al(n, p)27Mg and28Si(n, p)28Al reactions. Z. Physik A - Atomic Nuclei 325, 69–72 (1986). https://doi.org/10.1007/BF01294244

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  • DOI: https://doi.org/10.1007/BF01294244

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