Mr. Wake

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Location: Kamakura, Kanagawa, Japan

Thursday, March 23, 2006

Plasma Wakefield Acceleration

I was doing some research on particle accelerators to respond to Charlie's excellent comment on the Pizza entry. I found the below entry on the wikipedia. You don't have to click on it. I have copied the relevant passage below with my comments in brackets.

As of 2005, it is believed that plasma wakefield acceleration in the form of electron-beam 'afterburners' and standalone laser pulsers will provide dramatic increases in efficiency within two to three decades.[I know] In plasma wakefield accelerators, the beam cavity is filled with a plasma (rather than vacuum).[I know] A short pulse of electrons or laser light [usually electrons. The laser guy is a tool.] either constitutes or immediately trails the particles that are being accelerated. [I know] The pulse disrupts the plasma, [Yes] causing the charged particles in the plasma to integrate into and move toward the rear of the bunch of particles that are being accelerated. [A simplification, but basically true] This process transfers energy to the particle bunch, [I know] accelerating it further, and continues as long as the pulse is coherent.[Yes]


Anonymous Charlie Harvey said...

I was all over that page and like 10 others before I posted my previous comments. I had to make sure I had the names right because it was harder to remeber things like the "Relativistic Heavy Ion Collider: RHIC" off the top of my head. My favorite terms are "Synchrotron Radiation" and "Tevatron".

12:03 AM, March 24, 2006  
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