MeV-energy X rays from inverse compton scattering with laser-wakefield accelerated electrons

S. Chen, N. D. Powers, I. Ghebregziabher, C. M. Maharjan, C. Liu, G. Golovin, S. Banerjee, J. Zhang, N. Cunningham, A. Moorti, S. Clarke, S. Pozzi, Donald P Umstadter

Research output: Contribution to journalArticle

170 Citations (Scopus)

Abstract

We report the generation of MeV x rays using an undulator and accelerator that are both driven by the same 100-terawatt laser system. The laser pulse driving the accelerator and the scattering laser pulse are independently optimized to generate a high energy electron beam (>200 MeV) and maximize the output x-ray brightness. The total x-ray photon number was measured to be ∼1×107, the source size was 5 μm, and the beam divergence angle was ∼10 mrad. The x-ray photon energy, peaked at 1 MeV (reaching up to 4 MeV), exceeds the thresholds of fundamental nuclear processes (e.g., pair production and photodisintegration).

Original languageEnglish (US)
Article number155003
JournalPhysical Review Letters
Volume110
Issue number15
DOIs
StatePublished - Apr 10 2013

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scattering
lasers
accelerators
electrons
x rays
energy
photons
pair production
pulses
high energy electrons
divergence
brightness
electron beams
thresholds
output

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

MeV-energy X rays from inverse compton scattering with laser-wakefield accelerated electrons. / Chen, S.; Powers, N. D.; Ghebregziabher, I.; Maharjan, C. M.; Liu, C.; Golovin, G.; Banerjee, S.; Zhang, J.; Cunningham, N.; Moorti, A.; Clarke, S.; Pozzi, S.; Umstadter, Donald P.

In: Physical Review Letters, Vol. 110, No. 15, 155003, 10.04.2013.

Research output: Contribution to journalArticle

Chen, S, Powers, ND, Ghebregziabher, I, Maharjan, CM, Liu, C, Golovin, G, Banerjee, S, Zhang, J, Cunningham, N, Moorti, A, Clarke, S, Pozzi, S & Umstadter, DP 2013, 'MeV-energy X rays from inverse compton scattering with laser-wakefield accelerated electrons', Physical Review Letters, vol. 110, no. 15, 155003. https://doi.org/10.1103/PhysRevLett.110.155003
Chen, S. ; Powers, N. D. ; Ghebregziabher, I. ; Maharjan, C. M. ; Liu, C. ; Golovin, G. ; Banerjee, S. ; Zhang, J. ; Cunningham, N. ; Moorti, A. ; Clarke, S. ; Pozzi, S. ; Umstadter, Donald P. / MeV-energy X rays from inverse compton scattering with laser-wakefield accelerated electrons. In: Physical Review Letters. 2013 ; Vol. 110, No. 15.
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AU - Golovin, G.

AU - Banerjee, S.

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