Abstract

Within a transport code of BUU type the production of φ mesons in the reactions Ni+Ni at 1.93 A GeV and Ru+Ru at 1.69 A GeV is studied. New elementary reaction channels ρN( Δ)→ φN and πN(1520)→ φN are included. In spite of a substantial increase of the φ multiplicities by these channels the results stay below the tentative numbers extracted from experimental data.

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