Speaker
Description
In this investigation, we calculate the in-medium mass of $\phi$ meson in hot and dense non-strange resonance matter using the effective Lagrangian framework for $\phi K \bar K$ interactions at one loop level. The mean-field effective approach is utilized within the chiral SU(3) hadronic mean-field model to incorporate medium modification of kaon-antikaon masses. we have considered nucleons ($n,p$) and delta baryons ($\Delta^{++},\Delta^{+},\Delta^{0}$, and $\Delta^{-}$) as the degree of freedom within the medium. To address the issue of ultraviolet divergence, we employ a dipole form factor to regulate the self-energy loop integral, and the impact of varying the cutoff mass within this form factor on the results is examined. At finite temperatures, the effective masses of $\phi$ mesons undergo substantial modifications due to the presence of resonance baryons within the medium. Examining the $\phi$ masses within the medium is anticipated to be essential for understanding experimental results from heavy-ion collisions, which may produce hot and dense matter.
| Field of contribution | Phenomenology |
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