Improved modeling of photon observables with FREYA
R. Vogt, J. Randrup
TL;DR
This paper enhances the FREYA fission model to better predict photon observables, introducing new variables and analyzing their impact, with comparisons to experimental photon data from various fission sources.
Contribution
The paper presents specific improvements to the FREYA model, including new variables and sensitivity analysis, to address previous deficiencies in photon observable calculations.
Findings
Enhanced FREYA model aligns better with experimental photon data.
Identified key variables influencing photon observable predictions.
Demonstrated sensitivity of model outputs to detector-dependent factors.
Abstract
The event-by-event fission model FREYA has been improved, in particular to address deficiencies in the calculation of photon observables. We discuss the improvements that have been made and introduce several new variables, some detector dependent, that affect the photon observables. We show the sensitivity of FREYA to these variables. We then compare the results to the available photon data from spontaneous and thermal neutron-induced fission.
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