Ion heating and thermonuclear neutron production from high-intensity subpicosecond laser pulses interacting with underdense plasmas

被引：63
|
作者：
Fritzler, S
Najmudin, Z
Malka, V
Krushelnick, K
Marle, C
Walton, B
Wei, MS
Clarke, RJ
Dangor, AE
机构：
[1] Univ Paris 06, Ecole Polytech, Lab Utilisat Lasers Intenses, UMR 7605,CNRS,CEA, F-91128 Palaiseau, France
[2] Univ London Imperial Coll Sci Technol & Med, Blackett Lab, London SW7 2BZ, England
[3] Rutherford Appleton Lab, Didcot OX11 OQX, Oxon, England
来源：
PHYSICAL REVIEW LETTERS | 2002年 / 89卷 / 16期
关键词：
D O I：
10.1103/PhysRevLett.89.165004
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Thermonuclear fusion neutrons produced by D(d,n)He-3 reactions have been measured from the interaction of a high-intensity laser with underdense deuterium plasmas. For an input laser energy of 62 J, more than (1.0+/-0.2)x10(6) neutrons with a mean kinetic energy of (2.5+/-0.2) MeV were detected. These neutrons were observed to have an isotropic angular emission profile. By comparing these measurements with those using a secondary solid CD2 target it was determined that neutrons are produced from direct ion heating during this interaction.
引用
收藏
页码：165004/1 / 165004/4
页数：4
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