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.
- Received 29 March 2000
DOI:https://doi.org/10.1103/PhysRevLett.85.2076
©2000 American Physical Society
