25–29 May 2026
Chulalongkorn University
Asia/Bangkok timezone

New Geant4 internal data base for neutron cross sections.

26 May 2026, 15:15
1h
Board: 216-Tu

Board: 216-Tu

Poster Presentation Track 5 - Event generation and simulation Poster

Speaker

Andrei Berngardt (Tomsk State University)

Description

We present a new method for generating neutron cross-section (XS) data sets from evaluated nuclear data (HP) that improves the accuracy of XS approximation in resonance regions while maintaining computational efficiency for HEP applications in Geant4. Our approach supplements the standard XS datasets with additional dedicated resonance (R) files for the low-energy region, which is defined individually for each target nuclide. To validate the performance of the proposed method, we compared CMS simulations with and without the new R files. We also conducted a neutron transmission test and compared the results with experimental data.

Authors

Andrei Berngardt (Tomsk State University) Nikita Chalyi (Tomsk State University (TSU))

Presentation materials