Using quantum electrodynamics particle-in-cell simulations, we optimize the gamma flare (γ-flare) generation scheme from the interaction of a high power petawatt-class laser pulse with a tailored cryogenic hydrogen target having an extended preplasma corona. We show that it is possible to generate an energetic flare of photons with energies in the GeV range and the total flare energy being on a kilojoule level with efficient conversion of the laser pulse energy to γ-photons. We discuss how the target engineering and the laser pulse parameters influence the γ-flare generation efficiency. This type of experimental setup for a laser-based γ-source would be feasible for the upcoming high-power laser facilities. Applications of high intensity γ-ray beams are also discussed.
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December 2018
Research Article|
December 13 2018
High power gamma flare generation in multi-petawatt laser interaction with tailored targets
K. V. Lezhnin;
K. V. Lezhnin
1
Department of Astrophysical Sciences, Princeton University
, Princeton, New Jersey 08544, USA
2
National Research Nuclear University MEPhI
, Moscow 115409, Russia
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P. V. Sasorov;
P. V. Sasorov
3
Keldysh Institute of Applied Mathematics RAS
, Moscow 125047, Russia
4
Institute of Physics ASCR, v.v.i. (FZU), ELI-Beamlines Project
, Prague 182 21, Czech Republic
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G. Korn;
G. Korn
4
Institute of Physics ASCR, v.v.i. (FZU), ELI-Beamlines Project
, Prague 182 21, Czech Republic
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S. V. Bulanov
S. V. Bulanov
4
Institute of Physics ASCR, v.v.i. (FZU), ELI-Beamlines Project
, Prague 182 21, Czech Republic
5
National Institutes for Quantum and Radiological Sciences and Technology, KPSI
, Kyoto 619-0215, Japan
6
Prokhorov General Physics Institute, Russian Academy of Sciences
, Moscow 119991, Russia
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Phys. Plasmas 25, 123105 (2018)
Article history
Received:
September 25 2018
Accepted:
November 16 2018
Citation
K. V. Lezhnin, P. V. Sasorov, G. Korn, S. V. Bulanov; High power gamma flare generation in multi-petawatt laser interaction with tailored targets. Phys. Plasmas 1 December 2018; 25 (12): 123105. https://doi.org/10.1063/1.5062849
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