News of the WeekHigh-Energy Physics

CERN Stakes Claim on New State of Matter

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Science  11 Feb 2000:
Vol. 287, Issue 5455, pp. 949-951
DOI: 10.1126/science.287.5455.949b

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On Thursday, scientists at CERN, the particle physics laboratory near Geneva, were expected to announce "compelling evidence" of a new state of matter that might be a blazing hot jumble of particles known as a quark-gluon plasma. But many physicists are skeptical. Decisive evidence of such a plasma might appear after a new accelerator known as the Relativistic Heavy Ion Collider, up to five times as powerful as the CERN synchrotron, comes online at Brookhaven National Laboratory in May.