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- W1981489145 abstract "Measured hadron yields from relativistic nuclear collisions can be equally well understood in two physically distinct models, namely a static thermal hadronic source vs.~a time-dependent, nonequilibrium hadronization off a quark-gluon plasma droplet. Due to the time-dependent particle evaporation off the hadronic surface in the latter approach the hadron ratios change (by factors of $<approx 5$) in time. Final particle yields reflect time averages over the actual thermodynamic properties of the system at a certain stage of the evolution. Calculated hadron, strangelet and (anti-)cluster yields as well as freeze-out times are presented for different systems. Due to strangeness distillation the system moves rapidly out of the T, $mu_q$ plane into the $mu_s$-sector. Strangeness to baryon ratios f_s=1-2 prevail during a considerable fraction (50%) of the time evolution (i.e. $Lambda$-droplets or even $Xi^-$-droplets form the system at the late stage: The possibility of observing this time evolution via HBT correlations is discussed). The observed hadron ratios require $T_capprox 160 MeV$ and $B^{1/4}>approx 200 MeV$. If the present model is fit to the extrapolated hadron yields, metastable hypermatter can only be produced with a probability $p< 10^{-8}$ for $A ge 4$." @default.
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- W1981489145 date "1998-04-01" @default.
- W1981489145 modified "2023-10-18" @default.
- W1981489145 title "Hadron production in relativistic nuclear collisions: thermal hadron source or hadronizing quark-gluon plasma?" @default.
- W1981489145 cites W2505151573 @default.
- W1981489145 doi "https://doi.org/10.1007/s100520050145" @default.
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