Adler, S. S. ; Kapoor, S. S. ; et., al (2007) Measurement of density correlations in pseudorapidity via charged particle multiplicity fluctuations in Au+Au collisions at √sNN=200 GeV Physical Review C, 76 (3). 034903_1-034903_33. ISSN 0556-2813
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Official URL: http://prc.aps.org/abstract/PRC/v76/i3/e034903
Related URL: http://dx.doi.org/10.1103/PhysRevC.76.034903
Abstract
Longitudinal density correlations of produced matter in Au+Au collisions at √sNN=200 GeV have been measured from the inclusive charged particle distributions as a function of pseudorapidity window sizes. The extracted aξ parameter, related to the susceptibility of the density fluctuations in the long-wavelength limit, exhibits a nonmonotonic behavior as a function of the number of participant nucleons, Npart. A local maximum is seen at Npart~90, with corresponding energy density based on the Bjorken picture of εBjτ~2.4 GeV/(fm2c) with a transverse area size of 60 fm2. This behavior may suggest a critical phase boundary based on the Ginzburg-Landau framework.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Physical Society. |
| ID Code: | 16575 |
| Deposited On: | 15 Nov 2010 09:26 |
| Last Modified: | 03 Jun 2011 10:04 |
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