Seminar “THEORY OF HADRONIC MATTER UNDER EXTREME CONDITIONS” 21 January 2015, 16:00, BLTP Blokhintsev conference hall (4th floor)

David Blaschke (JINR BLTP and Univ. Wroclaw, Poland) “Quantum flavor kinetics and chemical freeze-out” Abstract We present current status of a quantum kinetic formulation of the chemical equilibration process in dense hadronic matter at the hadronization transition. Delocalization of hadron wave functions at the Mott-Anderson transition (where their binding energies vanish) lead to a divergence of scattering lengths and critical enhancement of rearrangement collisions between hadrons. We exemplify this for different meson-meson scattering processes from light (pi-pi scattering) to heavy flavors (charmonium dissociation). On this basis we suggest that chemical freeze-out has to be correlated with (partial) chiral symmetry restoration.