ИСТИНА

Correlation femtoscopy allows the measurement of space-time characteristics of particle production. For identical particles it is possible due to the effects of quantum statistics; for non- identical particles due to final state interactions. The main features of the femtoscopy measurements in heavy-ion collisions are the increase of the correlation radii with increasing multiplicity of events and the decrease of the radii with increasing of pair transverse momentum. These are understood as a manifestation of the strong collective flow. Such effects were observed at the LHC with the interferometry volume increased twice compared with RHIC. The high multiplicity in pp and p-Pb collisions reach particle densities comparable to the ones measured in peripheral heavy-ion collisions. The new data obtained by ALICE collaboration in pp, Pb-Pb and p-Pb collisions at LHC are presented.