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Collisionless shock acceleration of quasi-monoenergetic ions in ultra-relativistic regime

Abstract

Collisionless shock acceleration of carbon ions (C6+^{6+}) is investigated in the ultra-relativistic regime of laser-plasma interaction by accounting for the radiation reaction force and the pair production in particle-in-cell simulations. Both radiation reaction force and pair plasma formation tend to slow down the shock velocity, reducing the energy of the accelerated ions, albeit extending the time scales of the acceleration process. Slab plasma target achieves lower energy spread while target with a tailored density profile yields higher ion acceleration energies.Comment: 10 pages,12 figure

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