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Proton - Lambda correlations in Au-Au Collisions at $\sqrt{s_{NN}} = 200$ GeV from the STAR experiment

Abstract : The space-time evolution of the source of particles formed in the collision of nuclei can be studied through particle correlations. The STAR experiment is dedicated to study ultra-relativistic heavy ions collisions and allows to measure non-identical strange particle correlations. The source size can be extracted by studying p–Λ, $\overline{\rm p}$–$\overline{\Lambda}$, $\overline{\rm p}$–$\Lambda$ and p–$\overline{\Lambda}$ correlation functions. Strong interaction potential has been studied for these systems using an analytical model. Final State Interaction (FSI) parameters have been determined and has shown a significant annihilation process present in $\overline{\rm p}$–$\Lambda$ and p–$\overline{\Lambda}$ systems not present in p–$\Lambda$ and $\overline{\rm p}$–$\overline{\Lambda}$.
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http://hal.in2p3.fr/in2p3-00025808
Contributor : Dominique Girod <>
Submitted on : Tuesday, March 21, 2006 - 2:18:38 PM
Last modification on : Friday, June 22, 2018 - 9:28:30 AM

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G. Renault. Proton - Lambda correlations in Au-Au Collisions at $\sqrt{s_{NN}} = 200$ GeV from the STAR experiment. 20th Winter Workshop on Nuclear Dynamics, Mar 2004, Trelawny Beach, Jamaica. pp.99-110, ⟨10.1556/APH.24.2005.1-4.19⟩. ⟨in2p3-00025808⟩

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