![]() The quark gluon matter is extremely hot and dense, nearly 150,000 times as hot as the sun’s core and 100 times the density of a nucleus, said the researchers. Under these extreme conditions, the quarks and gluons normally bound in nucleons can become unbound. RHIC creates the blob of quark-gluon matter by smashing gold nuclei together at very high energies. The new results are based on analysis of data from the 2000-2003 run. Researchers from all four RHIC collaborations–PHENIX, STAR, PHOBOS, and BRAHMS–participated in the announcement. They will also publish a set of papers in the journal Nuclear Physics A. The RHIC collaborations made this announcement at a press conference during the APS April Meeting in Tampa. The big surprise is that it’s a liquid," said Brookhaven theorist Dmitri Kharzeev. The properties of this phase are surprising. The researchers from the Relativistic Heavy Ion Collider at Brookhaven National Laboratory announced the results of recent analysis of the quark gluon matter they have been producing for years–a state many scientists expected would be the "quark gluon plasma." ![]() Analysis of the weird quark-gluon matter produced at RHIC shows that the substance is more like a liquid than a gas, researchers reported at the APS April Meeting. ![]()
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