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Generation of high-energy neutrons with the 300-ps-laser system PALS
- Part of
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- Journal:
- High Power Laser Science and Engineering / Volume 2 / 01 July 2014
- Published online by Cambridge University Press:
- 20 June 2014, e19
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- Article
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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
$\def \xmlpi #1{}\def \mathsfbi #1{\boldsymbol {\mathsf {#1}}}\let \le =\leqslant \let \leq =\leqslant \let \ge =\geqslant \let \geq =\geqslant \def \Pr {\mathit {Pr}}\def \Fr {\mathit {Fr}}\def \Rey {\mathit {Re}}{}^{7}\mathrm{Li(d,n)}{}^{8}\mathrm{Be}$ reaction. Deuterons with sub-MeV energy were accelerated from the front surface of a massive 
$\mathrm{CD}_{2}$ target in the backward direction with respect to the laser beam vector. Simultaneously, neutrons were emitted from the primary 
$\mathrm{CD}_{2}$ target and a secondary LiF catcher. The total maximum measured neutron yield from 
${}^{2}\mathrm{D(d,n)}{}^{3}\mathrm{He}$, 
${}^{7}\mathrm{Li(d,n)}{}^{8}\mathrm{Be}$, 
${}^{12}\mathrm{C(d,n)}{}^{13}\mathrm{N}$ reactions was 
${\sim } 3.5 ({\pm }0.5) \times 10^{8}\ \mathrm{neutrons/shot}$.
