Particle number fluctuations in a canonical ensemble

Journal Article · Wed Sep 01 00:00:00 EDT 2004 · Physical Review. C, Nuclear Physics

DOI:https://doi.org/10.1103/PhysRevC.70.034901· OSTI ID:20695534

Begun, V V ^[1]; Gazdzicki, M ^[2]; Swietokrzyska Academy, Kielce ^[3]; Gorenstein, M I ^[1]; Zozulya, O S ^[4]

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1. Bogolyubov Institute for Theoretical Physics, Kiev (Ukraine)
2. Institut fuer Kernphysik, Universitaet Frankfurt, Frankfurt (Germany)
3. Poland
4. Institut fuer Theoretische Physik, Universitaet Frankfurt, Frankfurt (Germany)

Fluctuations of charged particle number are studied in the canonical ensemble. In the infinite volume limit the fluctuations in the canonical ensemble are different from the fluctuations in the grand canonical one. Thus, the well-known equivalence of both ensembles for the average quantities does not extend for the fluctuations. In view of the possible relevance of the results for the analysis of fluctuations in nuclear collisions at high energies, a role of the limited kinematical acceptance is studied.

• OSTI ID: 20695534
• Journal Information: Physical Review. C, Nuclear Physics, Vol. 70, Issue 3; Other Information: DOI: 10.1103/PhysRevC.70.034901; (c) 2004 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 0556-2813
• Country of Publication: United States
• Language: English

Related Subjects

73 NUCLEAR PHYSICS AND RADIATION PHYSICS
CHARGED PARTICLES
FLUCTUATIONS
HEAVY ION REACTIONS
RELATIVISTIC RANGE
STATISTICAL MODELS