Assimilating fission-code FIFRELIN using machine learning

Bazelaire Guillaume,Chebboubi Abdelhazize, Bernard David, Daniel Geoffrey, Blanchard Jean-Baptiste

EPJ Web of Conferences(2024)

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摘要
This paper presents work that has been done on the FIFRELIN Monte-Carlo code. The purpose of the code is to simulate the de-excitation process of fission fragments. Numerous quantity of insterest are calculated (mass yields, prompt particle spectra, mulitiplicities … ). Up to now the code relies on four free parameters which control the initial excitation and total angular momentum of fission fragment. Finding the good set of the free parameters is a diffucult task. In this work, we have developed an optimization algorithm based on Gaussian Process regression.
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