Generation of high-energy neutrons with the 300-ps-laser system PALS

J. Krasa; D. Klir; A. Velyhan; E. Krousky; M. Pfeifer; K. R ezac; J. Cikhardt; K. Turek; J. Ullschmied; and K. Jungwirth

doi:10.1017/hpl.2014.25

Journals >High Power Laser Science and Engineering >Volume 2 >Issue 3 >Page 03000e19 > Article

High Power Laser Science and Engineering
Vol. 2, Issue 3, 03000e19 (2014)

Generation of high-energy neutrons with the 300-ps-laser system PALS

J. Krasa¹, D. Klir², A. Velyhan¹, E. Krousky¹, M. Pfeifer¹, K. R ezac², J. Cikhardt², K. Turek³, J. Ullschmied⁴, and and K. Jungwirth¹

Author Affiliations

¹Institute of Physics, AS CR, 182 21 Prague 8, Czech Republic

²Czech Technical University in Prague, FEE, 166 27 Prague, Czech Republic

³Nuclear Physics Institute, AS CR, 180 00 Prague 8, Czech Republic

⁴Institute of Plasma Physics, AS CR, 182 00 Prague 8, Czech Republic

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DOI: 10.1017/hpl.2014.25 Cite this Article Set citation alerts

J. Krasa, D. Klir, A. Velyhan, E. Krousky, M. Pfeifer, K. R ezac, J. Cikhardt, K. Turek, J. Ullschmied, and 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 Copy Citation Text

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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.

Keywords

beam-target fusion deuterons laser ion sources lithium neutrons