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; D. P. Umstadter

doi:10.1103/PhysRevLett.110.155003

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, D. P. Umstadter

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254 Scopus citations

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 language	English (US)
Article number	155003
Journal	Physical Review Letters
Volume	110
Issue number	15
DOIs	https://doi.org/10.1103/PhysRevLett.110.155003
State	Published - Apr 10 2013
Externally published	Yes

ASJC Scopus subject areas

General Physics and Astronomy

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10.1103/PhysRevLett.110.155003

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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, D. P. (2013). MeV-energy X rays from inverse compton scattering with laser-wakefield accelerated electrons. Physical Review Letters, 110(15), Article 155003. https://doi.org/10.1103/PhysRevLett.110.155003

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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).",

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AU - Chen, S.

AU - Powers, N. D.

AU - Ghebregziabher, I.

AU - Maharjan, C. M.

AU - Liu, C.

AU - Golovin, G.

AU - Banerjee, S.

AU - Zhang, J.

AU - Cunningham, N.

AU - Moorti, A.

AU - Clarke, S.

AU - Pozzi, S.

AU - Umstadter, D. P.

PY - 2013/4/10

Y1 - 2013/4/10

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AB - 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).

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

Abstract

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