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

被引：9

作者：

Krasa, J. ^{[1
]}

Klir, D. ^{[2
]}

Velyhan, A. ^{[1
]}

Krousky, E. ^{[1
]}

Pfeifer, M. ^{[1
]}

Rezac, K. ^{[2
]}

Cikhardt, J. ^{[2
]}

Turek, K. ^{[4
]}

Ullschmied, J. ^{[3
]}

Jungwirth, K. ^{[1
]}

机构：

[1] AS CR, Inst Phys, Prague 18221 8, Czech Republic

[2] Czech Tech Univ, FEE, Prague 16627, Czech Republic

[3] AS CR, Inst Plasma Phys, Prague 18200 8, Czech Republic

[4] AS CR, Nucl Phys Inst, Prague 18000 8, Czech Republic

来源：

HIGH POWER LASER SCIENCE AND ENGINEERING | 2014年 / 2卷

关键词：

beam-target fusion; deuterons; laser ion sources; lithium; neutrons;

D O I：

10.1017/hpl.2014.25

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

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 Li-7(d, n)Be-8 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 D-2(d, n)(HeLi)-He-3-Li-7(d, n)Be-8,C-12(d, n)N-13 reactions was similar to 3.5(+/- 0.5) x 10(8) neutrons/shot.

引用

页数：6

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