Proton Radiography of Megagauss Electromagnetic Fields Generated by the Irradiation of a Solid Target by an Ultraintense Laser Pulse

被引：0

作者：

Sebastien Le Pape

Daniel Hey

Pravesh Patel

Andrew Mackinnon

Richard Klein

Bruce Remington

Scott Wilks

Dmitri Ryutov

Steve Moon

Marc Foord

机构：

[1] Lawrence Livermore National Laboratory,

来源：

Astrophysics and Space Science | 2007年 / 307卷

关键词：

Laser generated-proton beam; Magnetic field; Deflectometry;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

Laser generated protons have been used to probe the temporal and spatial evolution of megagauss magnetic fields. Grid deflectometry techniques have been applied to proton radiography to obtain precise measurements of proton beam angles caused by magnetic fields in laser produced plasmas. Data are presented in two different regimes of interactions at ultra high intensity (1020 W/cm2) where hots electrons are supposed to be responsible of the B field, and at lower intensity (1017 W/cm2) and later time where the gradients of temperature and density are responsible of the B field.

引用

页码：341 / 345

页数：4

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