Adler, S. S. ; Kapoor, S. S. ; et., al (2004) High-pT charged hadron suppression in Au+Au collisions at √sNN=200 GeV Physical Review C, 69 (3). 034910_1-034910_20. ISSN 0556-2813
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Official URL: http://prc.aps.org/abstract/PRC/v69/i3/e034910
Related URL: http://dx.doi.org/10.1103/PhysRevC.69.034910
Abstract
The PHENIX experiment at the Relativistic Heavy Ion Collider has measured charged hadron yields at midrapidity over a wide range of transverse momenta (0.5<pT<10 GeV/c) in Au+Au collisions at √sNN=200 GeV. The data are compared to π0 measurements from the same experiment. For both charged hadrons and neutral pions, the yields per nucleon-nucleon collision are significantly suppressed in central compared to peripheral and nucleon-nucleon collisions. The suppression sets in gradually and increases with increasing centrality of the collisions. Above 4-5 GeV/c in pT, a constant and almost identical suppression of charged hadrons and π0's is observed. The pT spectra are compared to published spectra from Au+Au at √sNN=130 in terms of xT scaling. Central and peripheral π0 as well as peripheral charged spectra exhibit the same xT scaling as observed in p+p data.
Item Type: | Article |
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Source: | Copyright of this article belongs to American Physical Society. |
ID Code: | 16694 |
Deposited On: | 15 Nov 2010 13:26 |
Last Modified: | 17 May 2016 01:25 |
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