Fluctuations and QCD phase structure

Fluctuation observables are invaluable tools in relativistic heavy ion collisions to investigate primordial thermodynamics of fireballs. Active experimental measurements have been performed at RHIC and LHC. In particular, interesting experimental results were recently reported on the electric charge...

Full description

Saved in:
Bibliographic Details
Published inNuclear physics. A Vol. 931; pp. 92 - 102
Main Author Kitazawa, Masakiyo
Format Journal Article
LanguageEnglish
Published Elsevier B.V 01.11.2014
Subjects
Fluctuations
Higher order cumulant
Non-Gaussianity
Non-Gaussianity
Fluctuations
Higher order cumulant
Online AccessGet full text

Cover

More Information
Summary:Fluctuation observables are invaluable tools in relativistic heavy ion collisions to investigate primordial thermodynamics of fireballs. Active experimental measurements have been performed at RHIC and LHC. In particular, interesting experimental results were recently reported on the electric charge fluctuation at ALICE and on the higher order cumulants at STAR, which show nontrivial behaviors reflecting non-hadronic and/or non-thermal physics. We argue that more detailed understanding on these observables are needed to use them effectively in the analysis of QCD phase structure. We suggest that the measurement of various cumulants of conserved charges including baryon number and their rapidity window dependence will provide important information needed for making progress in this subject.
ISSN:0375-9474
DOI:10.1016/j.nuclphysa.2014.08.083