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Signatures of quant...
Signatures of quantum effects on radiation reaction in laser-electron-beam collisions
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- Ridgers, C. P. (author)
- University of York
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- Blackburn, Tom, 1989 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Del Sorbo, D. (author)
- University of York
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- Bradley, L. E. (author)
- University of York
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- Slade-Lowther, C. (author)
- University of York
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- Baird, C. D. (author)
- University of York
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- Mangles, S. P. D. (author)
- Imperial College of Science, Technology and Medicine
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- McKenna, P. (author)
- University of Strathclyde
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- Marklund, Mattias, 1970 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Murphy, C. D. (author)
- University of York
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- Thomas, A. G. R. (author)
- Daresbury Laboratory,University of Michigan,Lancaster University
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(creator_code:org_t)
- 2017-09-11
- 2017
- English.
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In: Journal of Plasma Physics. - : Cambridge University Press (CUP). - 0022-3778 .- 1469-7807. ; 83:5
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Abstract
Subject headings
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- Two signatures of quantum effects on radiation reaction in the collision of a similar to GeV electron beam with a high intensity (>3 x 10(20) W cm(-2)) laser pulse have been considered. We show that the decrease in the average energy of the electron beam may be used to measure the Gaunt factor g for synchrotron emission. We derive an equation for the evolution of the variance in the energy of the electron beam in the quantum regime, i.e. quantum efficiency parameter eta (sic) 1. We show that the evolution of the variance may be used as a direct measure of the quantum stochasticity of the radiation reaction and determine the parameter regime where this is observable. For example, stochastic emission results in a 25 % increase in the standard deviation of the energy spectrum of a GeV electron beam, 1 fs after it collides with a laser pulse of intensity 10(21) W cm(-2). This effect should therefore be measurable using current high-intensity laser systems.
Subject headings
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
Keyword
- plasma dynamics
- plasma simulation
- intense particle beams
Publication and Content Type
- art (subject category)
- ref (subject category)
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- By the author/editor
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Ridgers, C. P.
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Blackburn, Tom, ...
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Del Sorbo, D.
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Bradley, L. E.
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Slade-Lowther, C ...
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Baird, C. D.
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show more...
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Mangles, S. P. D ...
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McKenna, P.
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Marklund, Mattia ...
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Murphy, C. D.
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Thomas, A. G. R.
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show less...
- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Atom and Molecul ...
- Articles in the publication
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Journal of Plasm ...
- By the university
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Chalmers University of Technology