Physics – Nuclear Physics – Nuclear Theory
Scientific paper
1994-01-20
Phys.Lett. B322 (1994) 33-37
Physics
Nuclear Physics
Nuclear Theory
8 pages, 3 figures available upon request, Latex
Scientific paper
10.1016/0370-2693(94)90487-1
A double phi peak structure in the dilepton invariant mass spectrum from ultrarelativistic heavy ion collisions is proposed as a signal for the phase transition from the quark-gluon plasma to the hadronic matter. The low mass phi peak results from the decay of phi mesons with reduced in-medium mass during the transition. Furthermore, the measurement of the transverse momentum distribution of these low mass phi mesons offers a viable means for determining the temperature of the phase transition.
Asakawa Masayuki
Ko Che Ming
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