Characterization of a neutron calibration facility at the SCK-CEN

Filip Vanhavere; Fernand Vermeersch; P. Cuynen

doi:10.1117/12.267924

27 February 1997 Characterization of a neutron calibration facility at the SCK-CEN

Filip Vanhavere, Fernand Vermeersch, P. Cuynen

Proceedings Volume 2867, International Conference Neutrons in Research and Industry; (1997) https://doi.org/10.1117/12.267924
Event: Fifth International Conference on Applications of Nuclear Techniques: Neutrons in Research and Industry, 1996, Crete, Greece

Abstract

The SCK CEN provides a calibration service for neutron monitors using a ²⁵²Cf source located in a facility for nuclear calibrations. Since the determined calibration factor should not depend upon the irradiation facility, corrections are to be made for neutron scattering. There are generally three techniques to correct for the effects of scattered neutrons: the semi-empirical, the polynomial fit and the shadow cone technique. In the calibration facility of the SCK CEN the source is located quite near a corner of the room, giving rise to a non-uniformity of the scattered component. This study was set up to investigate the effect of this non-uniformity on the validity of the three correction methods. A Studsvik 2202D neutron monitor was used for the experiments. The results were also compared with the results from a numerical modellisation of the neutron transport with the TRIPOLI-3D code.

Citation Download Citation

Filip Vanhavere, Fernand Vermeersch, and P. Cuynen "Characterization of a neutron calibration facility at the SCK-CEN", Proc. SPIE 2867, International Conference Neutrons in Research and Industry, (27 February 1997); https://doi.org/10.1117/12.267924

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KEYWORDS

Calibration

Sensors

Scattering

Monte Carlo methods

Radon

Data corrections

Data modeling

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