$Λ$ and $K^0_s$ Production in pC Collisions at 10 Gev/c

Details $Λ$ and $K^0_s$ Production in pC Collisions at 10 Gev/c $Λ$ and $K^0_s$ Production in pC Collisions at 10 Gev/c

2005-01-10

arxiv.org/abs/hep-ex/0501019v1

Phys.Part.Nucl.Lett. 4 (2007) 60-66

Physics

High Energy Physics

High Energy Physics - Experiment

9 pages, 3 figures

Scientific paper

10.1063/1.2130161

The experimental data from the 2m propane bubble chamber have been analyzed for pC$\to \Lambda(K^0_s)X$ reactions at 10 GeV/c. The estimation of experimental inclusive cross sections for $\Lambda$ and $K^0_s$ production in the p$^{12}C$ collision is equal to $\sigma_{\Lambda}$= 13.3$\pm$1.7 mb and $\sigma_{K^0_s}$= 3.8$\pm$0.6 mb, respectively. The measured $\Lambda /\pi^+$ ratio from pC reaction is equal to (5.3$\pm0.8)*10^{-2}$. The experimental $\Lambda /\pi^+$ ratio in the pC reaction is approximately two times larger than the $\Lambda /\pi^+$ ratio from pp reactions or from simulated pC reactions by FRITIOF model for the same energy. The $\Lambda /\pi^+$ ratio in interaction C+C at momentum 10 Gev/c is four times larger than the $\Lambda/\pi^+$ ratio from p+p reactions at the same energy.

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