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Realising single-sh...
Realising single-shot measurements of quantum radiation reaction in high-intensity lasers
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- Baird, C. D. (author)
- University of York
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- Murphy, C. D. (author)
- University of York
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- Blackburn, Tom, 1989 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Ilderton, A. (author)
- University of Plymouth
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- Mangles, S. P. D. (author)
- Imperial College of Science, Technology and Medicine
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- Marklund, Mattias, 1970 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU)
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- Ridgers, C. P. (author)
- University of York
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- Blackburn, Thomas, 1989 (author)
- Gothenburg University,Göteborgs universitet,Institutionen för fysik (GU),Department of Physics (GU)
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(creator_code:org_t)
- 2019-05-22
- 2019
- English.
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In: New Journal of Physics. - : IOP Publishing. - 1367-2630. ; 21:5
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Abstract
Subject headings
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- Modern laser technology is now sufficiently advanced that collisions between high-intensity laser pulses and laser-wakefield-accelerated (LWFA) electron beams can reach the strong-field regime, so that it is possible to measure the transition between the classical and quantum regimes of light-matter interactions. However, the energy spectrum of LWFA electron beams can fluctuate significantly from shot to shot, making it difficult to clearly discern quantum effects in radiation reaction (RR), for example. Here we show how this can be accomplished in only a single laser shot. A millimetre-scale pre-collision drift allows the electron beam to expand to a size larger than the laser focal spot and develop a correlation between transverse position and angular divergence. In contrast to previous studies, this means that a measurement of the beam's energy-divergence spectrum automatically distinguishes components of the beam that hit or miss the laser focal spot and therefore do and do not experience RR.
Subject headings
- NATURVETENSKAP -- Fysik -- Acceleratorfysik och instrumentering (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Accelerator Physics and Instrumentation (hsv//eng)
- NATURVETENSKAP -- Fysik -- Atom- och molekylfysik och optik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Atom and Molecular Physics and Optics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Annan fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Other Physics Topics (hsv//eng)
- NATURVETENSKAP -- Fysik -- Fusion, plasma och rymdfysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Fusion, Plasma and Space Physics (hsv//eng)
Keyword
- inverse Compton scattering
- laser-plasma interactions
- radiation reaction
- QED plasma
- inverse Compton scattering
- laser-plasma interactions
- QED plasma
- Radiation reaction
Publication and Content Type
- art (subject category)
- ref (subject category)
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