Freeze-out systematics due to the hadron spectrum

The underlying physics behind the chemical freeze-out surface in high-energy heavy-ion collisions is of keen interest. The Hadron Resonance Gas (HRG) is quite successful in explaining the mean hadron yields as well as the moments of conserved charges of QCD like Baryon number (B), Strangeness (S) and Charge (Q) with a few thermal parameters. But, in the standard data analysis framework in the calculation of freeze-out parameters the resonances which are predicted by various theoretical studies but are yet to be confirmed experimentally are left out. We study the role of such missing resonances in two different freeze-out schemes; single freeze-out (1CFO), in which all hadrons freeze-out at the same surface and favor dependent double freeze-out (2CFO), in which strange and non-strange hadrons freeze-out at different surfaces