9 June 2011 Ultra-strong laser pulses: streak-camera for gamma-rays via pair production and quantum radiative reaction
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Abstract
We show that a strong laser pulse combined with a strong x-ray pulse can be employed in a detection scheme for characterizing high-energy γ-ray pulses down to the zeptosecond timescale. The scheme employs streak imaging technique built upon the high-energy process of electron-positron pair production in vacuum through the collision of a test pulse with intense laser pulses. The role of quantum radiation reaction in multiphoton Compton scattering process and limitations imposed by it on the detection scheme are examined.
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K. Z. Hatsagortsyan, A. Ipp, J. Evers, A. Di Piazza, C. H. Keitel, "Ultra-strong laser pulses: streak-camera for gamma-rays via pair production and quantum radiative reaction", Proc. SPIE 8080, Diode-Pumped High Energy and High Power Lasers; ELI: Ultrarelativistic Laser-Matter Interactions and Petawatt Photonics; and HiPER: the European Pathway to Laser Energy, 80801T (9 June 2011); doi: 10.1117/12.890305; https://doi.org/10.1117/12.890305
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