Geometry and Space-Time Extent of Pion Emission Region at FCC Energies

Figure 2

Energy dependence of the additional BEC parameters , for collisions at midrapidity and low  GeV/. Errors for experimental points are statistical only. Smooth curves are calculated with help of fit results for BEC radii, solid lines are from fits of , by function (7) in case (i.1), and dashed lines correspond to the fits by specific case

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