QCD critical end point and baryon number fluctuation

Fig. 2. Lattice QCD result for $χ_{4}^{B} / χ_{2}^{B}$ as a function of temperature at zero baryon chemical potential from BNL-Bielefeld-CCNU collaboration

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Fig. 3. Variation of the kurtosis of baryon number fluctuation $κ σ^{2}$ in the rPNJL model as a function of the temperature at zero baryon number density^[51]

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Fig. 4. Chiral phase-transition line in the rPNJL model and freeze-out lines extracted from experiments^[51]

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Fig. 5. $κ σ^{2}$ as a function of collision energy from the rPNJL model^[51]

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Table 1. Parameters for the NJL part in the rPNJL model
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Table 1. Parameters for the NJL part in the rPNJL model
$m_{u / d}$ / MeV $m_{s}$ / MeV $Λ$ / MeV $g_{s} Λ^{2}$ $g_{D} Λ^{5}$ $g_{1}$ / MeV^-8 $g_{2}$ / MeV^-8
$5.5$ $183.468$ $637.720$ $2.914$ $75.968 7$ $2.193 \times 10^{- 21}$ $- 5.890 \times 10^{- 22}$

Table 2. Parameters for the Polyakov-loop part in the rPNJL model
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Table 2. Parameters for the Polyakov-loop part in the rPNJL model
$T_{0}$ / MeV $a_{0}$ $a_{1}$ $a_{2}$ $b_{3}$ $b_{4}$ $κ$
$175$ $6.75$ $- 9.8$ $0.26$ $0.805$ $7.555$ $0.1$