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Abstract: ALICE is well suited for strange particles production studies since it hasvery good reconstruction capabilities in the low transverse momentum $p {t}$region and it also allows to extend the identification up to quite high$p {t}$. Charged strange mesons $\kp$, $\km$, are reconstructed via energyloss measurements whereas neutral strange mesons $\ks$ and strange hyperons$\lam$, $\Xi$, $\Omega$ are identified via vertex reconstruction. All theseparticles carry important information: first, the measurement of productionyields and the particle ratio within the statistical models can help tounderstand the medium created and secondly the dynamics at intermediate $p {t}$investigated via the baryon over meson ratio $\lam - \ks$ allows a betterunderstanding of the hadronization mechanisms and of the underlying eventprocesses. We present these two aspects of the strange particles analysis in ppcollisions using simulated data.



Autor: H.Ricaud, A.Kalweit, A.Maire

Fuente: https://arxiv.org/







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