Abstract
An experimental overview of the energy dependence of strangeness production is presented. The strange hadrons are considered a good probe to study the QCD matter created in relativistic nucleus-nucleus collisions. The heavy-ion experiments at SPS, RHIC, and LHC have recorded a wealth of data in proton-proton, proton-nucleus and nucleus-nucleus collisions at several beam energies. In this proceeding, I discuss the invariant yield and azimuthal anisotropy measurement of strange hadrons in nucleus-nucleus collisions at SPS, RHIC, and LHC.
Highlights
The relativistic heavy-ion collision provides a unique opportunity to study the properties of QCD matter at various temperatures and densities
In order to map out the phase diagram of the QCD matter, experimental programs started in the early 1990s at the Brookhaven Alternating Gradient Synchrotron (AGS) and the CERN Super Proton Synchrotron (SPS) followed by Relativistic Heavy Ion Collider (RHIC) at Brookhaven and recently at Large Hadron Collider (LHC) at CERN
It is found that the thermal model explains the measured particle ratios (e.g. K/π and φ/K) and its energy dependence
Summary
The relativistic heavy-ion collision provides a unique opportunity to study the properties of QCD matter at various temperatures and densities. In order to map out the phase diagram of the QCD matter, experimental programs started in the early 1990s at the Brookhaven Alternating Gradient Synchrotron (AGS) and the CERN Super Proton Synchrotron (SPS) followed by Relativistic Heavy Ion Collider (RHIC) at Brookhaven and recently at Large Hadron Collider (LHC) at CERN. These experiments allowed us to study the QCD matter over a large range of √baryonic chemical potential (or net-baryon density) by varying center-of-mass energy( sNN) of the two colliding nucleus.
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