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We study the centrality dependence of the mid-rapidity (|y|<0.5) yield(dN/dy) and transverse momentum distributions of K*(892)0 and {\phi}(1020)resonances produced in Pb+Pb collisions at root(sNN) = 2.76 TeV. Themid-rapidity density (dN/dy) and the shape of the transverse momentum spectraare well reproduced by our earlier proposed Unified Statistical ThermalFreeze-out Model (USTFM) which incorporates the effects of both longitudinal aswell as transverse hydrodynamic flow. The freeze-out properties in terms ofkinetic freeze-out temperature and transverse flow velocity parameter areextracted from the model fits to the ALICE data. The extracted kineticfreeze-out temperature is found to increase with decrease in centrality whileas the transverse flow velocity parameter shows a mild decrease towardsperipheral collisions. Moreover the centrality dependence of the mid-rapiditysystem size at freeze-out has also been studied in terms of transverse radiusparameter.

Centrality dependence of K*(892)0 and {\phi}(1020) production at LHC