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The size of the particle emission region in high-energy collisions can bededuced using the femtoscopic correlations of particle pairs at low relativemomentum. Such correlations arise due to quantum statistics and Coulomb andstrong final state interactions. In this paper, results are presented fromfemtoscopic analyses of $\pi^{\pm}\pi^{\pm}$, ${\rm K}^{\pm}{\rm K}^{\pm}$,${\rm K}^{0}_S{\rm K}^{0}_S$, ${\rm pp}$, and ${\rm \overline{p}}{\rm\overline{p}}$ correlations from Pb-Pb collisions at $\sqrt{s_{\mathrm{NN}}}=2.76$ TeV by the ALICE experiment at the LHC. One-dimensional radii ofthe system are extracted from correlation functions in terms of the invariantmomentum difference of the pair. The comparison of the measured radii with thepredictions from a hydrokinetic model is discussed. The pion and kaon sourceradii display a monotonic decrease with increasing average pair transverse mass$m_{\rm T}$ which is consistent with hydrodynamic model predictions for centralcollisions. The kaon and proton source sizes can be reasonably described byapproximate $m_{\rm T}$-scaling.

One-dimensional pion, kaon, and proton femtoscopy in Pb-Pb collisions at $\sqrt{s_{\rm {NN}}}$ =2.76 TeV