Abstract
We report on the results of femtoscopic analyses of Pb-Pb collisions at $\sqrt{s_{NN}}$=2.76 TeV and pp collisions at $\sqrt{s}$= 7 TeV with identical charged and neutral kaons. The femtoscopic correlations allow one to measure the space-time characteristics of particle production using particle correlations due to the effects of quantum statistics for identical particles and final state interaction for both identical and non-identical ones. Small contributions from resonance decays make kaon femtoscopy an ideal tool for the correlation studies. In conjunction with pion and proton femtoscopy, they can also reveal properties of collective dynamics in heavy-ion collisions. ALICE results are compared with the existing world data on kaon femtoscopy in different type of collisions. The theoretical expectations for pp and Pb-Pb collisions are considered.
Highlights
High energy densities achieved in heavy-ion collisions at the Large Hadron Collider (LHC) may entail the formation of the Quark-Gluon Plasma (QGP), a state characterized by partonic degrees of freedom [1]
The femtoscopic radius of pions, kaons and protons in Pb-Pb collisions demonstrate an approximate scaling with transverse mass according with hydrodynamic model predictions
Correlation functions versus qinv for identical kaons from pp collisions at s = 7 TeV and those obtained with PYTHIA (PERUGIA-2011)
Summary
High energy densities achieved in heavy-ion collisions at the Large Hadron Collider (LHC) may entail the formation of the Quark-Gluon Plasma (QGP), a state characterized by partonic degrees of freedom [1]. The main goals for carrying out the study of femtoscopic correlations with charged kaons are: 1) study the transverse mass (mT) dependence of the correlation radii, 2) extend the available mT range, 3) get strong constraints for hydrodynamic models predictions (the models should work for heavier mesons and baryons, for pions), 4) get a clearer signal (kaons are less affected by the decay of resonances than pions), 5) get a consistency check with Ks0Ks0
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
