Nuclide++: A C++ module to include DDEP recommended radioactive decay Data in Geant4

Area of Science:

• Nuclear Physics
• Computational Physics
• Radiation Detection and Measurement

Background:

• Accurate simulation of radioactive decay is crucial for various applications, including radiation detection and nuclear safety.
• Existing simulation tools may have limitations in handling complex decay schemes or specific data requirements.

Purpose of the Study:

• To introduce Nuclide++, a novel C++ module for simulating radionuclide decay schemes.
• To provide an alternative to the Radioactive Decay Module (RDM) within the Geant4 simulation toolkit.
• To leverage up-to-date nuclear decay data and advanced calculation methods.

Main Methods:

• Development of the Nuclide++ module in C++, adhering to Geant4 coding standards.
• Random selection of decay pathways for simulating single or multiple radionuclide decays.
• Utilization of the Database of Deuterium-Tritium Exchange Pathways (DDEP) recommended data.
• Implementation of accurate beta-emitting spectra calculations and detailed atomic rearrangement descriptions.

Main Results:

• Nuclide++ successfully simulates decay schemes for various radionuclides.
• The module demonstrates accurate beta-emitting spectra and atomic rearrangement.
• Comparisons with selected radionuclides validate the reliability of Nuclide++.

Conclusions:

• Nuclide++ is a robust and reliable module for simulating radionuclide decay.
• It serves as a valuable alternative to existing modules in Geant4-based simulations.
• The module's capabilities are particularly beneficial for applications involving radioactive sources.