RUPAC2012 - List of Authors (Sagdeev, R.Z.)

Paper	Title	Page
MOPPA012	Optimization of Laser Radiation Pressure Accelerator for Ion Generation	269
	G. Dudnikova ICT SB RAS, Novosibirsk, Russia D. Gorpinchenko ICM&MG SB RAS, Novosibirsk, Russia C.-S. Liu, T.-C. Liu, R.Z. Sagdeev, X. Shao, J.J. Su UMD, College Park, Maryland, USA
	Compact laser-driven accelerators are an attractive alternative for monoenergetic proton and ion generation in conventional RF accelerator because the particle acceleration electric fields can reach tens GV/cm, which allows reduction of the system size. The scheme for generating quasimonoenergetic proton with Radiation Pressure Acceleration (RPA) has the potential of leading to table-top accelerators as sources for producing 50-250 MeV protons. Theoretical and computational studies of ion energy scaling of RPA are presented. 2D and 3D PIC simulations are performed to study limitations of energy gain due to Rayleigh-Taylor instability and how is the Rayleigh-Taylor instability suppressed by density fluctuations or inhomogeneities of targets. Energy transfer efficiencies and qualities of accelerated proton beams are discussed. Absolute dose, distal, penumbra of protons accelerated by PRA in a water phantom is calculated by Geant4 Monte Carlo simulations for particle therapy applications.

Paper

Title

Page

Optimization of Laser Radiation Pressure Accelerator for Ion Generation

269

G. Dudnikova
ICT SB RAS, Novosibirsk, Russia
D. Gorpinchenko
ICM&MG SB RAS, Novosibirsk, Russia
C.-S. Liu, T.-C. Liu, R.Z. Sagdeev, X. Shao, J.J. Su
UMD, College Park, Maryland, USA

Compact laser-driven accelerators are an attractive alternative for monoenergetic proton and ion generation in conventional RF accelerator because the particle acceleration electric fields can reach tens GV/cm, which allows reduction of the system size. The scheme for generating quasimonoenergetic proton with Radiation Pressure Acceleration (RPA) has the potential of leading to table-top accelerators as sources for producing 50-250 MeV protons. Theoretical and computational studies of ion energy scaling of RPA are presented. 2D and 3D PIC simulations are performed to study limitations of energy gain due to Rayleigh-Taylor instability and how is the Rayleigh-Taylor instability suppressed by density fluctuations or inhomogeneities of targets. Energy transfer efficiencies and qualities of accelerated proton beams are discussed. Absolute dose, distal, penumbra of protons accelerated by PRA in a water phantom is calculated by Geant4 Monte Carlo simulations for particle therapy applications.