Fusion reactions from >150 keV ions in a dense plasma focus plasmoid

被引：22

作者：

Lerner, Eric J. ^{[1
]}

Murali, S. Krupakar ^{[1
]}

Shannon, Derek ^{[1
]}

Blake, Aaron M. ^{[1
]}

Van Roessel, Fred ^{[1
]}

机构：

[1] Lawrenceville Plasma Phys, Middlesex, NJ 08846 USA

来源：

PHYSICS OF PLASMAS | 2012年 / 19卷 / 03期

关键词：

Plasma devices;

D O I：

10.1063/1.3694746

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

Using a dense plasma focus device with a 50 kJ capacitor charge, we have observed fusion reactions from deuterium ions with record energies of >150 keV, which are confined for durations of 7-30 ns in the cores of plasmoids with typical radii of 300-500 mu m and densities similar to 3 X 10(19) cm(-3). We have for the first time simultaneously imaged the plasmoid at high (30 mu m) resolution and measured trapped ion energy and neutron anisotropy. The isotropy of the neutron emission as well as other observations confirms that the observed neutrons per pulse of up to 1.5 x 10(11) are produced mainly by confined ions, not an unconfined beam. The conditions achieved are of interest for aneutronic fusion, such as with pB11 fuel. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.3694746]

引用

页数：8

共 30 条

[1] MASS AND ENERGY ANALYSIS AND SPACE-RESOLVED MEASUREMENTS OF IONS FROM PLASMA-FOCUS DEVICES [J].