Simulations of Gamma Cascades and Modelling Atomic Collision Chains

Area of Science:

• Nuclear Physics
• Computational Physics

Background:

• Nuclear gamma cascades are complex decay processes in heavy nuclei.
• Accurate simulation is crucial for understanding nuclear structure and dynamics.
• Existing methods may have limitations in modeling specific decay events.

Purpose of the Study:

• To present a new Monte Carlo method for simulating nuclear gamma cascades.
• To generalize the Mean Free Path Approach for atomic collisions and cascade interplay.
• To determine nuclear level lifetimes using the developed simulation and approach.

Main Methods:

• Monte Carlo simulation technique for nuclear gamma cascades.
• Generation of artificial gamma-cascade decay events for neutron capturing states.
• Generalization of the Mean Free Path Approach for atomic collisions and cascade modeling.

Main Results:

• Successfully simulated individual events of gamma-cascade decay in heavy nuclei.
• Generalized Mean Free Path Approach demonstrated for lifetime determination.
• Nuclear level lifetimes for selected isotopes (150Sm and 158Gd) were determined.

Conclusions:

• The new Monte Carlo method provides a powerful tool for nuclear gamma cascade simulation.
• The generalized Mean Free Path Approach effectively aids in determining nuclear level lifetimes.
• This work offers a refined approach for nuclear structure investigations.