Abstract
The dynamics of strange vector meson resonances (K * and K *) is investigated within the Parton-Hadron-String Dynamics (PHSD) transport approach. We present the time evolution of the production of K *− resonances from the QGP phase by quark fusion as well as from hadronic sources. We also give a brief overview of the modification of the K * through Kπ decay and K*N interaction in a hot and dense nuclear medium.
Highlights
Interacting matter at finite temperatures and densities has been a subject of great interest for a long time
We give a brief overview of the modification of the K∗ through Kπ decay and K∗N interaction in a hot and dense nuclear medium
Our goal is to investigate the in-medium resonance dynamics of the K∗ (K∗ refers to both the K∗+ and K∗− meson and the neutral state ones, K∗0 and K ∗0) vector resonance within the Parton-Hadron-String Dynamics (PHSD) approach
Summary
Interacting matter at finite temperatures and densities has been a subject of great interest for a long time. K∗s are modified in the medium to various degrees, e.g. a K ∗ is strongly modified in a dense nuclear medium [1] while a K∗ in a hot nuclear medium is modified very little [2]. Additional problems are posed by the rescattering of the K(K ) and π daughter particles. They can either scatter elastically or be reabsorbed. We characterise the mechanism responsible for the modification of the K∗ in hot and dense nuclear media in terms of realistic K and Kin-medium spectral functions and the K∗N interaction.
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