J. Phys. IV France
Volume 133, June 2006
Page(s) 433 - 436
Publié en ligne 16 juin 2006
Inertial Fusion Sciences and Applications 2005
J.-C. Gauthier, et al.
J. Phys. IV France 133 (2006) 433-436

DOI: 10.1051/jp4:2006133088

Analysis of core plasma heating in fast ignition target by two-dimensional Fokker-Planck-Hydro code

T. Yokota1, Y. Nakao1, T. Johzaki2 and K. Mima2

1  Dept. of Appl. Quant. Phys. and Nucl. Eng., Kyushu Univ., Hakozaki Fukuoka, Japan
2  Institute of Laser Engineering, Osaka University, Suita, Osaka, Japan

To investigate the core plasma heating in fast ignition targets, we recently developed a two-dimensional relativistic Fokker-Planck code "RFP-2D" for fast electron transport in dense plasmas. In the present study, we have coupled RFP-2D with a 2D hydrodynamics code for bulk plasma and analyzed the core plasma heating by assuming a condition similar to that in the GXII-PW laser experiments at ILE. It was found that when the source beam electrons enter the dense core region with "low" (<1 MeV) average energy and a Super-Gaussian spatial distribution, the core plasma can be heated above 0.8 keV at maximum, which is almost the same temperature as measured in the experiments.

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