Two stage equilibration in high-energy heavy ion collisions
19923 pages
Published in:
- Phys.Rev.Lett. 68 (1992) 3270-3272
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Abstract: (APS)
Using the (lowest-order) perturbative QCD, we argue that high energy heavy-ion collisions proceed via two stages: equilibration of gluons takes time τg∼1/2 fm/c, while production and equilibration of quarks needs time at least τq∼2 fm/c. If so, the initial gluon plasma is much hotter than usually estimated, Tg∼400 MeV, which leads to enhanced charm production and significant modifications of other proposed signals.- nucleus nucleus: nuclear reaction
- scattering: heavy ion
- heavy ion: scattering
- quantum chromodynamics: perturbation theory
- thermodynamics
- gluon: plasma
- production: charm
- charm: production
- interpretation of experiments
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