Two-dimensional “particle-in-cell” modeling was carried out to determine the laser intensity threshold for pion production
by protons accelerated by the relativistically strong short laser pulses acting on a solid target. The pion production yield
was determined as a function of laser intensity.
PACS numbers 52.38.Kd - 25.40.Qa
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Translated from Pis’ma v Zhurnal Éksperimental’no
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i Teoretichesko
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Fiziki, Vol. 74, No. 12, 2001, pp. 664–667.
Original Russian Text Copyright © 2001 by Bychenkov, Sentoku, Bulanov, Mima, Mourou, Tolokonnikov.