Strong Radiation-Damping Effects in a Gamma-Ray Source Generated by the Interaction of a High-Intensity Laser with a Wakefield-Accelerated Electron Beam

Physics

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https://doi.org/10.1103/PhysRevX.2.041004
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Keywords

NONLINEAR THOMSON SCATTERING, RELATIVISTIC ELECTRONS, SYNTHETIC SPECTRA, CLASSICAL-THEORY, SIMULATIONS, LIGHT, HARMONICS, TUTORIAL, FIELDS, VACUUM

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Strong Radiation-Damping Effects in a Gamma-Ray Source Generated by the Interaction of a High-Intensity Laser with a Wakefield-Accelerated Electron Beam. / Thomas, A. G. R.; Ridgers, C. P.; Bulanov, S. S. et al.
In: Physical Review X, Vol. 2, No. 4, 041004, 19.10.2012.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Bibtex

@article{58a6e1a0d91a40719a70554e9972fa0b,

title = "Strong Radiation-Damping Effects in a Gamma-Ray Source Generated by the Interaction of a High-Intensity Laser with a Wakefield-Accelerated Electron Beam",

abstract = "A number of theoretical calculations have studied the effect of radiation-reaction forces on radiation distributions in strong-field counterpropagating electron-beam-laser interactions, but could these effects-including quantum corrections-be observed in interactions with realistic bunches and focusing fields, as is hoped in a number of soon-to-be-proposed experiments? We present numerical calculations of the angularly resolved radiation spectrum from an electron bunch with parameters similar to those produced in laser-wakefield-acceleration experiments, interacting with an intense, ultrashort laser pulse. For our parameters, the effect of radiation damping on the angular distribution and energy distribution of photons is not easily discernible for a realistic moderate-emittance electron beam. However, experiments using such a counterpropagating beam-laser geometry should be able to measure these effects using current laser systems through measurement of the electron-beam properties. In addition, the brilliance of this source is very high, with peak spectral brilliance exceeding 10(29) photons s(-1) mm(-2) mrad(-2) (0.1% bandwidth)(-1) with an approximately 2% conversion efficiency and with a peak energy of 10 MeV.",

keywords = "NONLINEAR THOMSON SCATTERING, RELATIVISTIC ELECTRONS, SYNTHETIC SPECTRA, CLASSICAL-THEORY, SIMULATIONS, LIGHT, HARMONICS, TUTORIAL, FIELDS, VACUUM",

author = "Thomas, {A. G. R.} and Ridgers, {C. P.} and Bulanov, {S. S.} and Griffin, {B. J.} and Mangles, {S. P. D.}",

year = "2012",

month = oct,

day = "19",

doi = "10.1103/PhysRevX.2.041004",

language = "English",

volume = "2",

journal = "Physical Review X",

issn = "2160-3308",

publisher = "AMER PHYSICAL SOC",

number = "4",

}

RIS

TY - JOUR

T1 - Strong Radiation-Damping Effects in a Gamma-Ray Source Generated by the Interaction of a High-Intensity Laser with a Wakefield-Accelerated Electron Beam

AU - Thomas, A. G. R.

AU - Ridgers, C. P.

AU - Bulanov, S. S.

AU - Griffin, B. J.

AU - Mangles, S. P. D.

PY - 2012/10/19

Y1 - 2012/10/19

N2 - A number of theoretical calculations have studied the effect of radiation-reaction forces on radiation distributions in strong-field counterpropagating electron-beam-laser interactions, but could these effects-including quantum corrections-be observed in interactions with realistic bunches and focusing fields, as is hoped in a number of soon-to-be-proposed experiments? We present numerical calculations of the angularly resolved radiation spectrum from an electron bunch with parameters similar to those produced in laser-wakefield-acceleration experiments, interacting with an intense, ultrashort laser pulse. For our parameters, the effect of radiation damping on the angular distribution and energy distribution of photons is not easily discernible for a realistic moderate-emittance electron beam. However, experiments using such a counterpropagating beam-laser geometry should be able to measure these effects using current laser systems through measurement of the electron-beam properties. In addition, the brilliance of this source is very high, with peak spectral brilliance exceeding 10(29) photons s(-1) mm(-2) mrad(-2) (0.1% bandwidth)(-1) with an approximately 2% conversion efficiency and with a peak energy of 10 MeV.

AB - A number of theoretical calculations have studied the effect of radiation-reaction forces on radiation distributions in strong-field counterpropagating electron-beam-laser interactions, but could these effects-including quantum corrections-be observed in interactions with realistic bunches and focusing fields, as is hoped in a number of soon-to-be-proposed experiments? We present numerical calculations of the angularly resolved radiation spectrum from an electron bunch with parameters similar to those produced in laser-wakefield-acceleration experiments, interacting with an intense, ultrashort laser pulse. For our parameters, the effect of radiation damping on the angular distribution and energy distribution of photons is not easily discernible for a realistic moderate-emittance electron beam. However, experiments using such a counterpropagating beam-laser geometry should be able to measure these effects using current laser systems through measurement of the electron-beam properties. In addition, the brilliance of this source is very high, with peak spectral brilliance exceeding 10(29) photons s(-1) mm(-2) mrad(-2) (0.1% bandwidth)(-1) with an approximately 2% conversion efficiency and with a peak energy of 10 MeV.

KW - NONLINEAR THOMSON SCATTERING

KW - RELATIVISTIC ELECTRONS

KW - SYNTHETIC SPECTRA

KW - CLASSICAL-THEORY

KW - SIMULATIONS

KW - LIGHT

KW - HARMONICS

KW - TUTORIAL

KW - FIELDS

KW - VACUUM

U2 - 10.1103/PhysRevX.2.041004

DO - 10.1103/PhysRevX.2.041004

M3 - Journal article

VL - 2

JO - Physical Review X

JF - Physical Review X

SN - 2160-3308

IS - 4

M1 - 041004

ER -

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