SYMPOSIA PAPER Published: 14 December 2018

Derivation of Ex-Core Detector Response Functions for Sizewell B


This paper describes neutron transport calculations carried out in order to predict the responses of the ex-core neutron detectors installed in the pressurized water reactor at Sizewell B in the UK. The calculations were performed in adjoint mode using the Monte Carlo radiation transport code MCBEND. The paper compares the new response functions with the response data used to date and tests the new response functions against the results of forward Monte Carlo calculations. It also describes the results of sensitivity calculations that underwrite key assumptions in the modeling.

Author Information

Murphy, Christophe
Generation Services, Dorchester, GB
Wright, George, A.
Generation Services, Dorchester, GB
Thornton, Dean, A.
Generation Services, Gloucester, GB
Shaw, Simon, E.
Nuclear Technology Branch, EDF Energy Generation Ltd, Gloucester, GB
Bryce, Paul
Nuclear Technology Branch, EDF Energy Generation Ltd, Gloucester, GB
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Developed by Committee: E10
Pages: 458–471
DOI: 10.1520/STP160820170051
ISBN-EB: 978-0-8031-7662-1
ISBN-13: 978-0-8031-7661-4