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Bose-Einstein correlations of charged pion pairs in Au+Au collisions at $\sqrt S_{NN}$=200 GeV
- Source :
- Physical Review Letters, Physical Review Letters, American Physical Society, 2004, 93, pp.152302-1-152302-6. ⟨10.1103/PhysRevLett.93.152302⟩, Physical Review Letters, 2004, 93, pp.152302-1-152302-6. ⟨10.1103/PhysRevLett.93.152302⟩
- Publication Year :
- 2004
- Publisher :
- HAL CCSD, 2004.
-
Abstract
- Bose-Einstein correlations of identically charged pion pairs were measured by the PHENIX experiment at mid-rapidity in Au+Au collisions at $\sqrt{s_{\rm NN}}$ = 200 GeV. The Bertsch-Pratt radius parameters were determined as a function of the transverse momentum of the pair and as a function of the centrality of the collision. Using the \it{full} Coulomb correction, the ratio $R_{\rm out}/R_{\rm side}$ is smaller than unity for $$ from 0.25 to 1.2 GeV/c and for all measured centralities. However, using recently developed partial Coulomb correction methods, we find that $R_{\rm out}/R_{\rm side}$ is 0.8-1.1 for the measured $$ range, and approximately constant at unity with the number of participants.<br />Comment: 326 authors, 6 pages text, 3 figures, RevTeX 4. Submitted to PRL. Plain text data tables for the points plotted in figures for this and previous PHENIX publications are (or will be) publicly available at http://www.phenix.bnl.gov/papers.html
Details
- Language :
- English
- ISSN :
- 00319007 and 10797114
- Database :
- OpenAIRE
- Journal :
- Physical Review Letters, Physical Review Letters, American Physical Society, 2004, 93, pp.152302-1-152302-6. ⟨10.1103/PhysRevLett.93.152302⟩, Physical Review Letters, 2004, 93, pp.152302-1-152302-6. ⟨10.1103/PhysRevLett.93.152302⟩
- Accession number :
- edsair.doi.dedup.....b8b851bdfd701760afc2eed27bdf0f12