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Critical opalescence in baryonic QCD matter

We show that critical opalescence, a clear signature of second-order phase transition in conventional matter, manifests itself as critical intermittency in QCD matter produced in experiments with nuclei. This behavior is revealed in transverse momentum spectra as a pattern of power laws in factorial...

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Bibliographic Details
Published in:Physical review letters 2006-07, Vol.97 (3), p.032002-032002, Article 032002
Main Authors: Antoniou, N G, Diakonos, F K, Kapoyannis, A S, Kousouris, K S
Format: Article
Language:English
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Summary:We show that critical opalescence, a clear signature of second-order phase transition in conventional matter, manifests itself as critical intermittency in QCD matter produced in experiments with nuclei. This behavior is revealed in transverse momentum spectra as a pattern of power laws in factorial moments, to all orders, associated with baryon production. This phenomenon together with a similar effect in the isoscalar sector of pions (sigma mode) provide us with a set of observables associated with the search for the QCD critical point in experiments with nuclei at high energies.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.97.032002