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Figure 4

Figure Information
Scope: PWG
PWG-CF (Flow and Correlations)
Energy
2.76 TeV
System
Pb-Pb
Figure Group
Investigation of K$^{+}$K$^{-}$ interactions via femtoscopy in Pb$-$Pb collisions at $\sqrt{s_{\mathrm{NN}}} =2.76$ TeV at the LHC
Figure Image
Figure image (.eps)
Delta_CF_fit_data_Draft_2022_05_0.eps
Figure Caption

Height of $\phi$(1020) meson peak ($C_\phi$) as a function of source radius $R$, for three centrality classes Statistical uncertainties are shown by bars. Systematic uncertainties are smaller than the size of the markers. Blue solid line corresponds to the fit of CF with$C_\phi^{\rm direct} = {\rm const}/R^3$. Red dashed line corresponds to the fit with the second line in Eq.~(\ref{eq:Cfsi}).

Detail description

Figure extracted from paper