TALYS-based evaluated nuclear data library

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TENDL-2023: (release date: December 22, 2023)

Last update: December 21, 2023

TENDL is a nuclear data library which provides the output of the TALYS nuclear model code system for direct use in both basic physics and applications. The 12th version is TENDL-2023, which is based on both default and adjusted TALYS calculations and data from other sources (previous releases can be found here: 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2017, 2019 and 2021).

Up to 2014, TENDL was produced at NRG Petten. Since 2015, TENDL is mainly developped at PSI and the IAEA (Nuclear Data Section). Still, many people contribute to TENDL with the testing and processing of the files.

TENDL contains evaluations for seven types of incident particles, for all isotopes living longer than 1 second: Z=1 1H to Z=115 291Mc (about 2850 isotopes), up to 200 MeV, with covariances (test files up to 600 MeV are also provided).

TENDL is not a default or shadow library. Not a single neutron evaluation is based on default calculations. With the HFR approach, all resonances follow statistical hypothesis. For major isotopes, greater care was used during the evaluation process.

All TENDL-2023 neutron files are original except 24. The 24 following files are taken from ENDF/B-VIII.0 for neutrons: 1,2,3H, 3,4He, 6,7Li, 10,11B, 7,9Be, 12,13C, 14,15N, 16,17,18O, 19F, 232Th, 233,235,238U and 239Pu.

A set of tools, called T6, was used to produce it. T6 stands for TALYS, TEFAL, TASMAN, TARES, TAFIS and TANES. Each code produces a part of the library. Processing tools such as NJOY, CALENDF, PREPRO are also used in T6. These codes, and the processing steps are developed by A.J. Koning, D. Rochman and J.Ch. Sublet. Still, the help and feedback of the whole nuclear data, processing and user community is extremely useful. TENDL would not exist without the constructive remarks from all over the world.

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