RA Snavely, MH Key, SP Hatchett,
TE Cowan, M Roth… - Physical review …, 2000 - APS
An intense collimated beam of high-energy protons is emitted normal to the rear surface of
thin solid targets irradiated at 1 PW power and peak intensity 3× 10 20 W cm− 2. Up to 48 J …