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2012 | 10 | 6 | 1282-1284
Article title

Scaling properties and charge dependence of particle ratio fluctuations at RHIC

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Content
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EN
Abstracts
EN
It has been suggested that the existence of a QCD phase transition would cause an increase and divergence of fluctuations. Thus event-by-event particle ratio fluctuations could be used to study strangeness and baryon number fluctuations near the critical point in the QCD phase diagram. In this paper, we present dynamical K/π, p/π, and K/p ratio fluctuations from Au+Au collisions at $\sqrt {s_{NN} } $ = 7.7 to 200 GeV. Charge dependent results as well as multiplicity scaling properties of these fluctuation results are discussed. The STAR data are compared to different theoretical model predictions and previous experimental results.
Publisher

Journal
Year
Volume
10
Issue
6
Pages
1282-1284
Physical description
Dates
published
1 - 12 - 2012
online
4 - 12 - 2012
Contributors
author
  • National Superconducting Cyclotron Laboratory, Michigan State University, East Lansing, MI, 48824-1321, USA, wang@nscl.msu.edu
References
  • [1] V. Koch, A. Majumder, J. Randrup, Phys. Rev. Lett. 95, 182301 (2005) http://dx.doi.org/10.1103/PhysRevLett.95.182301
  • [2] S.V. Afanasiev et al. [NA49 collaboration], Phys. Rev. Lett. 86, 1965 (2001) http://dx.doi.org/10.1103/PhysRevLett.86.1965[Crossref]
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  • [4] V. Koch, T. Schuster, Phys. Rev. C 81, 034910 (2010) http://dx.doi.org/10.1103/PhysRevC.81.034910
  • [5] C. Alt et al., Phys. Rev. C 79, 044910 (2009) http://dx.doi.org/10.1103/PhysRevC.79.044910
  • [6] B.I. Abelev et al. (for the STAR Collaboration), Phys. Rev. Lett. 103, 092301 (2009) http://dx.doi.org/10.1103/PhysRevLett.103.092301
  • [7] T.J. Tarnowsky (for the STAR Collaboration), J. Phys. G: Nucl. Part. Phys. 38, 124054 (2011) http://dx.doi.org/10.1088/0954-3899/38/12/124054
  • [8] T.J. Tarnowsky (for the STAR Collaboration), J. Phys. G 38, 124054 (2011) http://dx.doi.org/10.1088/0954-3899/38/12/124054
  • [9] T.J. Tarnowsky (for the STAR Collaboration), Acta Phys. Polon. Supp. 5, 515 (2012) http://dx.doi.org/10.5506/APhysPolBSupp.5.515[Crossref]
  • [10] M.M. Aggarwal et al. (for the STAR Collaboration), arXiv:1007.2613v1 [nucl-ex]
  • [11] T. Anticic et al. [NA49 collaboration], Phys. Rev. C 83, 061902(R) (2011) http://dx.doi.org/10.1103/PhysRevC.83.061902
  • [12] D. Kresan, V. Friese, PoS(CFRNC2006)017
Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.-psjd-doi-10_2478_s11534-012-0095-y
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