Feb 24, 2026 · Discussion forum for the Geant4 simulation toolkit

Jul 14, 2020 · I am very new to geant4 and I am attempting to score the energy depos due to the radioactive decay of Tb160 in a lead box. I have used extended/radioactive decay as a template and …

Aug 22, 2019 · G4TENDL is the Geant4 version of the TENDL database which is filled with the output of the TALYS nuclear model code. Its entries are the result of calculation and not measured data as is …

May 1, 2022 · Hi, community!! I am new to Geant4. I tried to boot geant4 with Qt-based GUI but Error said Geant4 kernel is not initialized. Please let me know how to to ...

Mar 7, 2020 · I’m calculating total cross section of heavy ion interacting with hydrogen atoms or molecules. There is a work of Voitkiv: @article {voitkiv, title= {Hydrogen and helium ionization by …

Oct 26, 2020 · Hello, I am running a Geant4 code for the simulation of a HPGe array for gamma-ray spectroscopy. I want to see if the array is built correctly, therefore I want a visualization. I use a …

Aug 16, 2020 · In the radioactivedecay example, there are two ways provided to initialize the histogram parameters (e.g., nbin, vmin, vmax). One is to use analysisManager->CreateH1, and the other is to …

Aug 8, 2024 · Dear, G4 User I am analysing the detector signal using the Cs-137 source term. I registered ‘RadioactiveDecayPhysics’ in the physics list and here is a snippet of the .mac file that …

Apr 8, 2020 · And do you have init_vis.mac and vis.mac in you directory where you execute the example? They should be copied by cmake from the source directory.

Nov 24, 2021 · Thanks for the detailed info. I’m not sure if these issues are interrelated or not… That’s the GCC compiler rather than the expected system compiler for Monterey (/usr/bin/clang and …