Abelev, B. I. and Planinić, Mirko and Poljak, Nikola and Zuo, J. X. (STAR Collaboration) (2009) K/π Fluctuations at Relativistic Energies. Physical Review Letters, 103 (9). pp. 92301-6. ISSN 0031-9007
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Abstract
We report K/π fluctuations from Au+Au collisions at √sNN=19.6, 62.4, 130, and 200 GeV using the STAR detector at the Relativistic Heavy Ion Collider. K/π fluctuations in central collisions show little dependence on incident energy and are on the same order as those from NA49 at the Super Proton Synchrotron in central Pb+Pb collisions at √sNN=12.3 and 17.3 GeV. We report results for the collision centrality dependence of K/π fluctuations and results for charge-separated fluctuations. We observe that the K/π fluctuations scale with the charged particle multiplicity density.
| Item Type: | Article |
|---|---|
| Keywords: | fluctuation, scaling, multiplicity, density |
| Date: | August 2009 |
| Subjects: | NATURAL SCIENCES > Physics |
| Additional Information: | Copyright (2009) by the American Physical Society. |
| Divisions: | Faculty of Science > Department of Physics |
| Project code: | 119-0982887-1006 |
| Publisher: | American Physical Society |
| Depositing User: | Gordana Stubičan Ladešić |
| Date Deposited: | 10 Jun 2014 10:40 |
| Last Modified: | 10 Jun 2014 11:52 |
| URI: | http://digre.pmf.unizg.hr/id/eprint/2329 |
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