High Power Laser Science and Engineering, 2014, 2 (3): 03000e19, Published Online: Nov. 5, 2014  

Generation of high-energy neutrons with the 300-ps-laser system PALS Download: 745次

Author Affiliations
1 Institute of Physics, AS CR, 182 21 Prague 8, Czech Republic
2 Czech Technical University in Prague, FEE, 166 27 Prague, Czech Republic
3 Nuclear Physics Institute, AS CR, 180 00 Prague 8, Czech Republic
4 Institute of Plasma Physics, AS CR, 182 00 Prague 8, Czech Republic
Abstract
The laser system PALS, as a driver of a broad-beam ion source, delivered deuterons which generated neutrons with energies higher than 14 MeV through the 7Li(d, n)8Be reaction. Deuterons with sub-MeV energy were accelerated from the front surface of a massive CD2 target in the backward direction with respect to the laser beam vector. Simultaneously, neutrons were emitted from the primary CD2 target and a secondary LiF catcher. The total maximum measured neutron yield from 2D(d, n)3He, 7Li(d, n)8Be, 12C(d, n)13N reactions was ~3.5(±0.5) × 108 neutrons/shot.

J. Krasa, D. Klir, A. Velyhan, E. Krousky, M. Pfeifer, K. R ezac, J. Cikhardt, K. Turek, J. Ullschmied, K. Jungwirth. Generation of high-energy neutrons with the 300-ps-laser system PALS[J]. High Power Laser Science and Engineering, 2014, 2(3): 03000e19.

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