2011
DOI: 10.1209/0295-5075/95/35001
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Collimated GeV proton beam generated by the interaction of ultra-intense laser with a uniform near-critical underdense plasma

Abstract: An ultra-intense short-pulsed laser interacting with a uniform underdense plasma with near-critical density is investigated by 2.5-dimensional particle-in-cell simulations. It is found that a collimated proton beam with maximum energy up to the GeV was generated. The corresponding proton acceleration mechanism is analyzed. The laser wakefield acceleration (LWFA) electrons play an important role as a driving beam. Due to the features of LWFA electrons, quasi-monoenergetic distribution and good collimation, the … Show more

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Cited by 5 publications
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