We present a new determination of the ratio of cross-sections (J)DY as expected for nucleus-nucleus reactions if J would only be normally absorbed by nuclear matter. This anticipated behaviour is based on proton-nucleus data exclusively, and compared, as a function of centrality, with updated S-U results from experiment NA38 and with the most recent Pb-Pb results from experiment NA50.
The J/ $\psi$ normal nuclear absorption
BEOLE', Stefania;CHIAVASSA, Emilio Luciano;GALLIO, Mauro;MASERA, Massimo;VERCELLIN, Ermanno;
2005-01-01
Abstract
We present a new determination of the ratio of cross-sections (J)DY as expected for nucleus-nucleus reactions if J would only be normally absorbed by nuclear matter. This anticipated behaviour is based on proton-nucleus data exclusively, and compared, as a function of centrality, with updated S-U results from experiment NA38 and with the most recent Pb-Pb results from experiment NA50.
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