Plasma scale length effects on protons generated in ultra-intense laser-plasmas

O. Culfa, G. J. Tallents, M. E. Korkmaz, A. K. Rossall, E. Wagenaars, C. P. Ridgers, C. D. Murphy, Christopher Neal Booth, D. C. Carroll, L. A. Wilson, K. L. Lancaster, N. C. Woolsey

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)


The energy spectra of protons generated by ultra-intense (1020 W cm-2) laser interactions with a preformed plasma of scale length measured by shadowgraphy are presented. The effects of the preformed plasma on the proton beam temperature and the number of protons are evaluated. Two-dimensional EPOCH particle-in-cell code simulations of the proton spectra are found to be in agreement with measurements over a range of experimental parameters.

Original languageEnglish
Pages (from-to)58-63
Number of pages6
JournalLaser and Particle Beams
Issue number1
Early online date22 Dec 2016
Publication statusPublished - Mar 2017
Externally publishedYes


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