Speaker
Description
S. A. Mahdipour1, M. Shafeei Sarvestani1, S. B. Dabagov2, A. Mowlavi3
1Department of Physics, Bojnurd Student Research Institute, Iran
2INFN Laboratory Nazionali di Frascati, RAS P.N. Lebedev Physical Institute, NR Nuclear University MePhI
3Department of Physics, Hakim Sabzevari University, Sabzevar, Iran
Radiation Pressure Acceleration (RPA) and Target Normal Sheath Acceleration (TNSA) are the two most significant methods for planning Laser-Accelerated Proton Beam (LAP) systems. LAP technology has inspired innovative applications that can leverage the unique properties of proton bunches, distinguishing them from conventionally accelerated proton beams. In our other simulation, we presented a fundamental model of the proton beam line based on two pulsed power solenoids (RPA), utilizing Monte Carlo simulations with the GEANT4 toolkit. In these articles, the adjustment of the magnetic field of the first solenoid and the precise calculation of the flux of primary protons and secondary particles produced by the beamline has been conducted. This work introduces the second solenoid, providing detailed specifications, and incorporates it into the previous simulations, adjusting its magnetic field to an optimal state. Additionally, the absorbed dose due to
RPA protons in the water phantom has been calculated. The results indicate that as the energy dispersion of the incident protons increases, the width of the Bragg peak gradually expands, and the peak's location shifts to shallower depths. Furthermore, filtering protons with lower energy in the beamline alters the trend in the absorbed dose curve. The calculations presented in this report serve as a preliminary step toward completing the full simulation of the RPA beamline and facilitating future clinical studies.
E-mail: Ali.mahdipour88@yahoo.com
