Figure 6

Scope: PWG
PWG-CF (Flow and Correlations)
13 TeV
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Figure Caption

Extracted radii from the fits of \spipi correlations as a function of \mt for three different multiplicity classes. From left to right and bottom: $1 \leq N_{\mathrm{ch}} \leq 18$, $19 \leq N_{\mathrm{ch}} \leq 30$ and $N_{\mathrm{ch}} \geq 31$. The reduced $\chi^2$ for the obtained radii is shown in the lower panels and evaluated in the range of $6< \ks <100$~\MeVc. The assumption that a second-order polynomial background shape exhibits either greater or equivalent compatibility with the data compared to a first-order polynomial.

Detail description

Figure extracted from paper