By swapping initial conditions and evolution engines between EPOS and PHSD, the authors find that the dynamical evolution stage, not the initial state, dominates final hadron spectra and elliptic flow in 200 GeV Au+Au collisions.
Identified particle distributions in pp and Au+Au collisions at sqrt{s_NN}=200 GeV
1 Pith paper cite this work. Polarity classification is still indexing.
1
Pith paper citing it
abstract
Transverse mass and rapidity distributions for charged pions, charged kaons, protons and antiprotons are reported for sqrt{s_NN}=200 GeV pp and Au+Au collisions at RHIC. The transverse mass distributions are rapidity independent within |y|<0.5, consistent with a boost-invariant system in this rapidity interval. Spectral shapes and relative particle yields are similar in pp and peripheral Au+Au collisions and change smoothly to central Au+Au collisions. No centrality dependence was observed in the kaon and antiproton production rates relative to the pion production rate from medium-central to central collisions. Chemical and kinetic equilibrium model fits to our data reveal strong radial flow and relatively long duration from chemical to kinetic freeze-out in central Au+Au collisions. The chemical freeze-out temperature appears to be independent of initial conditions at RHIC energies.
citation-role summary
background 1
citation-polarity summary
fields
hep-ph 1years
2025 1verdicts
CONDITIONAL 1roles
background 1polarities
unclear 1representative citing papers
citing papers explorer
-
Disentangling Initial-State and Evolution Effects in Heavy-Ion Collisions Using EPOS and PHSD
By swapping initial conditions and evolution engines between EPOS and PHSD, the authors find that the dynamical evolution stage, not the initial state, dominates final hadron spectra and elliptic flow in 200 GeV Au+Au collisions.