1. F. Foppiano, S. Guatelli, B. Mascialino, M. G. Pia, M. Piergentili
4th Workshop on Geant4 Bio-medical Developments Geant4 Physics Validation INFN Genova, July 2005
Geant4 Simulation of an Accelerator Head for Intensity Modulated RadioTherapy Updates
F. Foppiano, S. Guatelli, B. Mascialino, M. G. Pia, M. Piergentili

2. Outline Brief summary of the Geant4 IMRT application Updates:
Parallelization
Statistical analysis of the results

3. Geant4 IMRT application
phantom
jaws
flattening
filter
primary
collimator
Geant4 IMRT application
Accurate description of the
beam line both in terms of:
Beam line geometry
Primary particles
Low Energy Physics to model the interactions of particles
Result of the simulation:
Percent Depth Dose (PDD),
The lateral profiles at the following depths in the phantom: 15 mm, 50 mm, 100 mm and 200 mm,
Isodose curves in specific planes

4. Activities in progress
Parallelization
Comparison of dose distribution in the phantom with respect to experimental measurements: statistical analysis
See Barbara’s talk

5. Parallelization Parallelization of the Geant4 IMRT application
Run on a dedicate cluster
Run on the GRID
Use of DIANE
Activity born from the collaboration of: S. Guatelli, A. Mantero, J. Moscicki, M.G. Pia