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Charged Particle Ratio Fluctuation as a Signal for QGP

S. Jeon, V. Koch

hep-pharXiv:hep-ph/0003168

Abstract

In this letter we argue that the event-by-event fluctuations of the ratio of the positively charged and the negatively charged pions provides a signal of quark-gluon plasma. The fact that quarks carry fractional charges is ultimately responsible for this distinct signal.

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