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Charged particle ratio fluctuation as a signal for quark-gluon plasma
1Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA.
Physical Review Letters
|September 6, 2000
Abstract:
In this Letter we argue that the event-by-event fluctuations of the ratio of the positively charged and the negatively charged pions provide a signal for a quark-gluon plasma. The fact that quarks carry fractional charges is ultimately responsible for this distinct signal.