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May 22 – 28, 2011
Centre Bonlieu
Europe/Zurich timezone

Topological reconstruction of strange hadrons in Pb-Pb collisions with the ALICE experiment

Not scheduled
1m
Théâtre National (Centre Bonlieu)

Théâtre National

Centre Bonlieu

France
Board: 67
Poster Hadron thermodynamics and chemistry

Speaker

Marian Putis (Pavol Jozef Safarik University, Kosice, Slovakia)

Description

The studies of strange particle production provide information about the dynamics of the system which was created in Pb-Pb or pp collisions at LHC energies. Reconstruction of strange particles based on their decay topology allow us to extract yields over a large transverse momentum range (from ~ 0.6 GeV/c up to ~ 8 GeV/c). The ALICE experiment provides high statistics data from proton-proton and Pb-Pb collisions for this study. The analysis is focusing on strange particles K0s and Lambdas created in Pb-Pb collisions at sqrt(sNN)=2.76 TeV. The main principles of geometrical reconstruction and signal extraction are presented. The efficiency is obtained from Monte - Carlo simulations and used to correct the raw yields. Finally, our latest results related to Lambda and K0s analysis are presented.

Primary author

Marian Putis (Pavol Jozef Safarik University, Kosice, Slovakia)

Presentation materials