Densest Matter Created in Big-Bang Machine: Some theories predict that, in the extreme heat of the very early universe, quarks and gluons would have been even more widely spaced, creating a quark-gluon plasma that behaved like a gas. The ALICE team is therefore looking for evidence of gas-like behavior in the early stages of their quark-gluon plasma formation...
"It could well be that in the very early stages [of our quark-gluon plasma], it's behaving more like a gas, and then as it cools it turns into a liquid, but we will need to investigate this further..."
If this gas-to-liquid transition has indeed been observed, it would be surprising, since theory predicts that it should occur at much higher temperatures than those currently being produced at the LHC, said Thomas Ludlam, chair of the physics department at Brookhaven.
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