This repository holds a collection of nuclear data in JSON format.

Each file within the json_files folder contains an probability for a specific reaction and nuclide. The reaction numbers are encoded using ENDF MT numbers which can be looked up using code like this here or found manually in a table like this

To reproduce the dataset

Download the nuclear data in h5 format

mkdir nuclear_data && wget https://anl.box.com/shared/static/uhbxlrx7hvxqw27psymfbhi7bx7s6u6a.xz -O nuclear_data/endf.tar.xz && tar -xvJf nuclear_data/endf.tar.xz -C nuclear_data

Install a program that extracts cross sections from the h5 files

pip install openmc_data_to_json

Run the script in the repo

python convert_json.py