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Title: Experimental Evidence of Radiation Reaction in the Collision of a High-Intensity Laser Pulse with a Laser-Wakefield Accelerated Electron Beam

Abstract

The dynamics of energetic particles in strong electromagnetic fields can be heavily influenced by the energy loss arising from the emission of radiation during acceleration, known as radiation reaction. When interacting with a high-energy electron beam, today’s lasers are sufficiently intense to explore the transition between the classical and quantum radiation reaction regimes. We present evidence of radiation reaction in the collision of an ultrarelativistic electron beam generated by laser-wakefield acceleration ( ϵ > 500 MeV ) with an intense laser pulse (a 0 > 10). We measure an energy loss in the postcollision electron spectrum that is correlated with the detected signal of hard photons (γ rays), consistent with a quantum description of radiation reaction. The generated γ rays have the highest energies yet reported from an all-optical inverse Compton scattering scheme, with critical energy ϵ crit > 30 MeV.

Authors:
 [1];  [2];  [1];  [3];  [1];  [4];  [5];  [3];  [6];  [7];  [2];  [8];  [3];  [5];  [4];  [1];  [4];  [9];  [9];  [10] more »;  [11];  [9];  [12];  [1];  [1] « less
  1. Imperial College, London (United Kingdom)
  2. Univ. of Michigan, Ann Arbor, MI (United States)
  3. Chalmers University of Technology, Gothenburg (Sweden)
  4. University of York (United Kingdom)
  5. University of Strathclyde, Glasgow (United Kingdom)
  6. Chalmers University of Technology, Gothenburg (Sweden); Plymouth University (United Kingdom)
  7. Univ. of Michigan, Ann Arbor, MI (United States) ; Friedrich-Schiller-Universität, Jena (Germany)
  8. Friedrich-Schiller-Universität, Jena (Germany)
  9. The Queen’s University of Belfast (United Kingdom)
  10. Rutherford Appleton Laboratory, Didcot (United Kingdom)
  11. Univ. of Michigan, Ann Arbor, MI (United States); Lancaster Univ. (United Kingdom)
  12. Friedrich-Schiller-Universität, Jena (Germany); The Queen’s University of Belfast (United Kingdom); Helmholtz Institut, Jena (Germany)
Publication Date:
Research Org.:
Univ. of Michigan, Ann Arbor, MI (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1499095
Grant/Contract Number:  
NA0002372
Resource Type:
Accepted Manuscript
Journal Name:
Physical Review. X
Additional Journal Information:
Journal Volume: 8; Journal Issue: 1; Journal ID: ISSN 2160-3308
Publisher:
American Physical Society
Country of Publication:
United States
Language:
English
Subject:
43 PARTICLE ACCELERATORS; 74 ATOMIC AND MOLECULAR PHYSICS; 70 PLASMA PHYSICS AND FUSION TECHNOLOGY; 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS

Citation Formats

Cole, J. M., Behm, K. T., Gerstmayr, E., Blackburn, T. G., Wood, J. C., Baird, C. D., Duff, M. J., Harvey, C., Ilderton, A., Joglekar, A. S., Krushelnick, K., Kuschel, S., Marklund, M., McKenna, P., Murphy, C. D., Poder, K., Ridgers, C. P., Samarin, G. M., Sarri, G., Symes, D. R., Thomas, A. G. R., Warwick, J., Zepf, M., Najmudin, Z., and Mangles, S. P. D. Experimental Evidence of Radiation Reaction in the Collision of a High-Intensity Laser Pulse with a Laser-Wakefield Accelerated Electron Beam. United States: N. p., 2018. Web. doi:10.1103/physrevx.8.011020.
Cole, J. M., Behm, K. T., Gerstmayr, E., Blackburn, T. G., Wood, J. C., Baird, C. D., Duff, M. J., Harvey, C., Ilderton, A., Joglekar, A. S., Krushelnick, K., Kuschel, S., Marklund, M., McKenna, P., Murphy, C. D., Poder, K., Ridgers, C. P., Samarin, G. M., Sarri, G., Symes, D. R., Thomas, A. G. R., Warwick, J., Zepf, M., Najmudin, Z., & Mangles, S. P. D. Experimental Evidence of Radiation Reaction in the Collision of a High-Intensity Laser Pulse with a Laser-Wakefield Accelerated Electron Beam. United States. doi:10.1103/physrevx.8.011020.
Cole, J. M., Behm, K. T., Gerstmayr, E., Blackburn, T. G., Wood, J. C., Baird, C. D., Duff, M. J., Harvey, C., Ilderton, A., Joglekar, A. S., Krushelnick, K., Kuschel, S., Marklund, M., McKenna, P., Murphy, C. D., Poder, K., Ridgers, C. P., Samarin, G. M., Sarri, G., Symes, D. R., Thomas, A. G. R., Warwick, J., Zepf, M., Najmudin, Z., and Mangles, S. P. D. Wed . "Experimental Evidence of Radiation Reaction in the Collision of a High-Intensity Laser Pulse with a Laser-Wakefield Accelerated Electron Beam". United States. doi:10.1103/physrevx.8.011020. https://www.osti.gov/servlets/purl/1499095.
@article{osti_1499095,
title = {Experimental Evidence of Radiation Reaction in the Collision of a High-Intensity Laser Pulse with a Laser-Wakefield Accelerated Electron Beam},
author = {Cole, J. M. and Behm, K. T. and Gerstmayr, E. and Blackburn, T. G. and Wood, J. C. and Baird, C. D. and Duff, M. J. and Harvey, C. and Ilderton, A. and Joglekar, A. S. and Krushelnick, K. and Kuschel, S. and Marklund, M. and McKenna, P. and Murphy, C. D. and Poder, K. and Ridgers, C. P. and Samarin, G. M. and Sarri, G. and Symes, D. R. and Thomas, A. G. R. and Warwick, J. and Zepf, M. and Najmudin, Z. and Mangles, S. P. D.},
abstractNote = {The dynamics of energetic particles in strong electromagnetic fields can be heavily influenced by the energy loss arising from the emission of radiation during acceleration, known as radiation reaction. When interacting with a high-energy electron beam, today’s lasers are sufficiently intense to explore the transition between the classical and quantum radiation reaction regimes. We present evidence of radiation reaction in the collision of an ultrarelativistic electron beam generated by laser-wakefield acceleration ( ϵ > 500 MeV ) with an intense laser pulse (a0 > 10). We measure an energy loss in the postcollision electron spectrum that is correlated with the detected signal of hard photons (γ rays), consistent with a quantum description of radiation reaction. The generated γ rays have the highest energies yet reported from an all-optical inverse Compton scattering scheme, with critical energy ϵcrit > 30 MeV.},
doi = {10.1103/physrevx.8.011020},
journal = {Physical Review. X},
number = 1,
volume = 8,
place = {United States},
year = {2018},
month = {2}
}

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