Femtoscopic Bose–Einstein correlations of charged hadrons in pp collisions at 13 tev in CmS∗ ∗∗
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Femtoscopic correlations between charged hadrons are measured for minimum-bias and for high-multiplicity events in proton–proton collisions at s = 13 TeV. The results are based on data collected with the CMS experiment at the LHC in 2015. Three analysis techniques are employed with different degrees of dependence on simulated events, all of them returning consistent results within the experimental uncertainties. The measured values of the lengths of homogeneity are compared with those from lower energies and from another experiment, and are also discussed in comparison with theoretical predictions.