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

页码：165004/1 / 165004/4

页数：4

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