Generation of fast protons by interaction of modest laser intensities with H2O “snow” nano-wire targets

Nir Bruner,Elad Schleifer,Tala Palchan,Sergey A. Pikuz,Shmuel Eisenmann,Mordechai Botton, Dan Gordon,Arie Zigler

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment（2011）

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摘要

We report on the generation of protons with energies of 5.5MeV when irradiating an H2O nano-wire layer grown on a sapphire plate with an intensity of 5×1017W/cm2. A theoretical model is suggested in which plasma near the tip of the wire is subject to enhanced electrical fields and protons are accelerated to several MeVs.

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关键词

Laser acceleration,Proton beams,Sapphire,Nanoparticles,Laser beams

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