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Another look at anomalous J/Psi suppression in Pb+Pb collisions at P/A = 158 GeV/c | J. Gosset
; A. Baldisseri
; H. Borel
; F. Staley
; Y.Terrien
; | Date: |
3 Jun 1999 | Journal: | Eur.Phys.J. C13 (2000) 63-68 | Subject: | nucl-ex | Abstract: | A new data presentation is proposed to consider anomalous $J/Psi$ suppression in Pb + Pb collisions at $P/A=158$ GeV/c. If the inclusive differential cross section with respect to a centrality variable is available, one can plot the yield of J/Psi events per Pb-Pb collision as a function of an estimated squared impact parameter. Both quantities are raw experimental data and have a clear physical meaning. As compared to the usual J/Psi over Drell-Yan ratio, there is a huge gain in statistical accuracy. This presentation could be applied advantageously to many processes in the field of nucleus-nucleus collisions at various energies. | Source: | arXiv, nucl-ex/9906002 | Services: | Forum | Review | PDF | Favorites |
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