Production of phi mesons in subthreshold heavy-ion collisions
M. Zetenyi, H. W. Barz, Gy. Wolf, B. Kampfer
Abstract
Within a BUU type transport model we study ϕ meson production in subthreshold Ni+Ni and Ru+Ru reactions. For the first time we included in our model the elementary reaction channels ρ+N,Δ ϕ+N, π+N(1520) ϕ+N and πρ ϕ. In spite of a substantial increase of the ϕ multiplicities by these channels our results stay significantly below the preliminary experimental data.
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