SYMPOSIA PAPER Published: 01 January 1989
STP10125S

Application of Boron Covers for Neutron Spectrum Determination Purposes in Various Neutron Environments

Source

Foil irradiation experiments were carried out at LFR (ECN. Petten) and WWR-SM (KFKI, Budapest). The effect of boron covers on the activation and fission detector response regions has been investigated. Fluence rate perturbation due to the applied B4C box in graphite or water was determined by means of transport calculations. Neutron spectrum adjustments were performed by the SAND-II and STAY'SL codes. The B4C cover shifts the response regions of the resonance reactions from the thermal region to the 0.1 keV to 1.0 MeV interval. Where boron-covered reactions are used in a least squares spectrum adjustment procedure, the uncertainty of the spectrum is reduced significantly in the intermediate energy region.

Author Information

Végh, J
Central Research Institute for Physics, Budapest, Hungary
Zijp, WL
Netherlands Energy Research Foundation ECN, ZG Petten (NH), The Netherlands
Nolthenius, HJ
Netherlands Energy Research Foundation ECN, ZG Petten (NH), The Netherlands
Alloggio, G
Ente Nazionale per l'Energia Elettrica, Centro di Ricercia Termica e Nucleare. ENEL/CRTN, Milano, Italy
Brega, E
Ente Nazionale per l'Energia Elettrica, Centro di Ricercia Termica e Nucleare. ENEL/CRTN, Milano, Italy
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Details
Developed by Committee: E10
Pages: 642–652
DOI: 10.1520/STP10125S
ISBN-EB: 978-0-8031-5069-0
ISBN-13: 978-0-8031-1184-4