Quasi-monoenergetic proton beams by laser-plasma X-rays
Abstract
We report the details of a technique for the production of proton beams with very low energy spread exploiting the short soft X-rays from plasmas by laser ablation. These beams have been generated by the dissociation and ionization of an hydrogen buffer gas induced by the laser-plasma X-rays and then accelerated by means of an electrostatic accelerator. Their beam properties have been analysed through the time-of-flight method applying different accelerating voltages. The resulting energetic spread ranges between 6 and 11%, as a function of the applied voltage. Such a system could be extremely useful for producing quasi- monoenergetic proton beams.
DOI Code:
10.1285/i9788883051081p11
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