Monte Carlo Simulation and Optimization of Scintillation Detectors for PET/SPECT Applications

Overview

This project presents a Geant4-based Monte Carlo simulation framework for studying scintillation detectors used in PET and SPECT medical imaging applications.

The study investigates:

• Gamma-ray interactions
• Scintillation photon generation
• Optical photon transport
• Silicon Photomultiplier (SiPM) detection
• Material comparison
• Crystal size optimization
• SiPM size optimization
• PET vs SPECT detector response

Materials Studied

• BGO
• NaI(Tl)
• CsI(Tl)
• LYSO

Software

• Geant4 11.3.2
• C++
• Python
• Linux

Author

Piyush Meena || Engineering Physics || IIT Indore