Speaker
Description
In heavy-ion collisions, the Quark-Gluon Plasma (QGP) is created, and anisotropic flow is one of the critical measurements to understand the detailed medium properties of the QGP. The anisotropic flow of light and strange particles scales approximately with the number of constituent quarks. The scaling behavior is interpreted as the collective flow developing in the partonic phase. Resonance particles, whose quark contents are the same as their ground state particles but have different mass and spin, may not follow the scaling behavior because of interactions of their daughter particles during the hadronic phase. Previous measurements in ALICE show that the relative yield of $\mathrm{K^\pm(892)}$ to $\mathrm{K}$ gradually decreases as a function of particle multiplicity in heavy-ion collisions. Therefore, if flow coefficients between resonance and stable particles are compared, we can study the impact of interactions at the hadronic phase on the collective flow. Such investigation could enhance our understanding of the time evolution of the QGP, especially the hadronic phase.
This poster aims to study the rescattering effects of $\mathrm{K^\pm(892)}$ in the hadronic phase by measuring its anisotropic flow coefficients and comparing them with the ones of longer-lived particles in Pb--Pb collisions at $\sqrt{s_\mathrm{NN}} = 5.36$ TeV measured with the ALICE apparatus.
| Category | Experiment |
|---|---|
| Collaboration (if applicable) | ALICE |
