[HTML][HTML] Simulation studies of γ-ray radiation in laser-plasma interactions with structured targets

S Chintalwad, S Krishnamurthy, S Morris… - Fundamental Plasma …, 2024 - Elsevier
We studied the γ-ray emission from laser interactions with structured targets of Al and Au.
Bremsstrahlung and Non-linear Compton Scattering (NCS) emission are considered for the
γ-ray emission using the open source 2-D PIC code EPOCH. Different shapes of the target
generated additional hot electrons, which helps to enhance the photon energy in individual
cases. The enhancement of photon energy is due to the target's shape and the hot electrons.
Hot electron generation and their dynamics, like refluxing behavior, are crucial phenomena …
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