High-energy X-ray bursts from low-energy plasma

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Michael Mozina
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Joined: Thu Feb 23, 2012 10:35 am
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High-energy X-ray bursts from low-energy plasma

Unread post by Michael Mozina » Wed Feb 20, 2019 12:12 am

https://phys.org/news/2019-02-high-ener ... lasma.html
The X-ray bursts correlate with the plasma jet diameter being choked by ripples, like those that occur at the interface separating a heavy fluid on top of a lighter fluid. The ripples choke the jet electric current to produce an electric field that accelerates electrons. This is akin to putting one's thumb on a garden hose to choke the water flow and make a large pressure drop that accelerates a small amount of water to high velocity to make a spray. The team's discovery of how these microsecond X-ray bursts form shows detailed collision statistics are important when dealing with cold plasmas.


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