Towards high-precision calculation of electron capture decays

Area of Science:

• Nuclear Physics
• Atomic Physics
• Computational Physics

Background:

• Electron capture (EC) decays are fundamental nuclear processes.
• Accurate theoretical calculations are crucial for interpreting experimental data.
• Previous models required refinement for enhanced precision.

Purpose of the Study:

• To improve the accuracy of electron capture (EC) decay calculations.
• To incorporate more precise atomic models and radiative corrections.
• To validate theoretical predictions against experimental measurements.

Main Methods:

• Utilized a refined atomic model with precise atomic energies.
• Tested various radiative corrections for EC processes.
• Revised computational code for significant speed-up and coupled it with BetaShape.
• Explored the influence of nuclear models on EC decay calculations.

Main Results:

• Achieved improved accuracy in EC decay calculations.
• Demonstrated the impact of different radiative corrections.
• Validated the enhanced computational approach against literature data.
• Showcased the influence of nuclear structure on decay properties.

Conclusions:

• The refined theoretical framework provides more accurate predictions for EC decays.
• The integration of advanced atomic and nuclear models enhances predictive power.
• The computational improvements facilitate more efficient and precise analysis.