Spectrometry of low- and high-energy neutrons by unfolding passive detector responses

Claudio Manfredotti; C. Ongaro; Alba Zanini; M. Cavaioli; L. Tommasino

doi:10.1117/12.267864

27 February 1997 Spectrometry of low- and high-energy neutrons by unfolding passive detector responses

Claudio Manfredotti, C. Ongaro, Alba Zanini, M. Cavaioli, L. Tommasino

Proceedings Volume 2867, International Conference Neutrons in Research and Industry; (1997) https://doi.org/10.1117/12.267864
Event: Fifth International Conference on Applications of Nuclear Techniques: Neutrons in Research and Industry, 1996, Crete, Greece

Abstract

This paper deals with the evaluation of neutron spectra in a wide energy range by unfolding the responses of different passive detectors. The unfolding method is based on the BUNKI code which has been optimized for this application. The major goal of this investigation is to obtain a better evaluation of the neutron dose equivalent both in accelerator environments and cosmic ray fields. This unfolding method has been tested in the neutron field at the CERN SPS facility, which is characterized by a neutron spectrum similar to that of cosmic rays. Finally the same procedure has been applied to evaluate the neutron cosmic ray spectrum on the mountain of Matterhorn at an altitude of 3500 m. In particular the high energy region of the neutron spectrum has been obtained taking into account the difference between the proton and neutron cross sections of bismuth, as recently proposed by one of the authors on the basis of theoretical and experimental data re-examination.

Citation Download Citation

Claudio Manfredotti, C. Ongaro, Alba Zanini, M. Cavaioli, and L. Tommasino "Spectrometry of low- and high-energy neutrons by unfolding passive detector responses", Proc. SPIE 2867, International Conference Neutrons in Research and Industry, (27 February 1997); https://doi.org/10.1117/12.267864

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