Pion Fluctuations near the QCD Critical Point

Published on Feb 24, 1999in arXiv: High Energy Physics - Phenomenology
N. G. Antoniou1
Estimated H-index: 1
(UoA: National and Kapodistrian University of Athens),
N. G. Antoniou18
Estimated H-index: 18
(UoA: National and Kapodistrian University of Athens)
+ 0 AuthorsFotis K. Diakonos26
Estimated H-index: 26
A critical point of second order, belonging to the universality class of the 3d Ising model, has recently been advocated as a strong candidate for the critical behaviour (at high temperatures) of QCD with non-zero quark masses. The implications of this conjecture are investigated in the multiparticle environment of high-energy collisions. A universal intermittency pattern of pion-density fluctuations is found, at the critical point, and its association to the critical exponents is discussed. A Monte Carlo simulation of critical events, in heavy-ion collisions, reveals the detailed structure of these fluctuations, suggesting a framework of (event-by-event) measurements in which the critical theory of QCD may become falsiable.
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