Speaker
Nicolas Pierre
(Université Paris-Saclay (FR))
Description
We present preliminary COMPASS results on pion and kaon multiplicities produced in semi-inclusive deep inelastic scattering of 160 GeV muons off a pure proton (LH$_2$) target. The results constitute a large data set of more than 600 points for pions and 600 for kaons, covering a large $x$, $Q^2$ and $z$ domain in a fine binning. The results from the sum of the z-integrated multiplicities $M^{\pi^+}+ M^{\pi^-}$ and $M^{K^+}+ M^{K^-}$ and their ratio $M^{\pi^+}/M^{\pi^-}$ and $M^{K^+}/M^{K^-}$ are presented versus $x$ and compared to previous COMPASS results on deuteron and other experiments like EMC and HERMES.
Author
Nicolas Pierre
(Université Paris-Saclay (FR))
