SYMPOSIA PAPER Published: 14 December 2018
STP160820170072

Using Total Monte Carlo to Calculate the Full Covariance Matrix of a Neutron Spectrum

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A new scheme is proposed for calculating the covariance matrix of an a priori neutron flux spectrum using the Total Monte Carlo method. This covariance matrix can be used to improve the adjustment of calculated spectra to dosimetry measurements in a more physically realistic way. We have taken an example experiment performed at the High Flux Reactor to successfully demonstrate the application of this covariance matrix to spectrum adjustment procedures using a modified J1 unfolding algorithm.

Author Information

Asquith, Nicola
Nuclear Research and Consultancy Group (NRG), Research and Innovation, Petten, NL
van der Marck, Steven
Nuclear Research and Consultancy Group (NRG), Research and Innovation, Petten, NL
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Developed by Committee: E10
Pages: 496–509
DOI: 10.1520/STP160820170072
ISBN-EB: 978-0-8031-7662-1
ISBN-13: 978-0-8031-7661-4