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Article
Report number hep-ph/0510126 ; BNL-NT-05-36 ; TKYNT-05-28 ; BNL-NT-2005-36 ; TKYNT-2005-28
Title Hadronic fluctuations in the QGP
Related titleQUARK GLUON PLASMA
Author(s) Karsch, F. (Brookhaven) ; Ejiri, S. (Tokyo U.) ; Redlich, K. (CERN)
Publication 2006
Imprint 10 Oct 2005
Number of pages 4
In: Nucl. Phys. A 774 (2006) 619-622
In: 18th International Conference on Ultra-Relativistic Nucleus-Nucleus Collisions, Budapest, Hungary, 4 - 9 Aug 2005, pp.619-622
DOI 10.1016/j.nuclphysa.2006.06.099
Subject category Particle Physics - Phenomenology
Abstract We analyze fluctuations of quark number and electric charge, in 2-flavour QCD at finite temperature and vanishing net baryon number density. In the hadronic phase we find that an enhancement of charge fluctuations arises from contributions of doubly charged hadrons to the thermodynamics. The rapid suppression of fluctuations seen in the high temperature phase suggests that in the QGP quark number and electric charge are predominantly carried by quasi-particles with the quantum numbers of quarks.
Copyright/License Elsevier B.V.

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