The production of low mass dimuons has been measured in d-C, d-U and S-U collisions at 200 GeV per nucleon, and in Pb-Pb collisions at 158 GeV per nucleon. phi/(omega + rho) ratio and phi and omega + rho cross sections are studied showing phi increase relatively to the omega + rho, with increasing size of the system or centrality, and cross sections increase rates which are different in ion and deuteron induced reactions.
phi, rho and omega production in collisions induced by deuteron and heavy ions around 200 GeV per nucleon
DE FALCO, ALESSANDRO
1998-01-01
Abstract
The production of low mass dimuons has been measured in d-C, d-U and S-U collisions at 200 GeV per nucleon, and in Pb-Pb collisions at 158 GeV per nucleon. phi/(omega + rho) ratio and phi and omega + rho cross sections are studied showing phi increase relatively to the omega + rho, with increasing size of the system or centrality, and cross sections increase rates which are different in ion and deuteron induced reactions.
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