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Subthreshold phi meson production in heavy-ion collisions

Barz, H. W.; Zetenyi, M.; Wolf, G.; Kämpfer, B.


Within a transport code of BUU type the production of phi mesons in the reactions Ni + Ni at 1.93 AGeV and Ru + Ru at 1.69 AGeV is studied. New elementary reaction channels rho N Delta to phi N and pi N(1520) to phi N are included. In spite of a substantial increase of the phi multiplicities by these channels the results stay below the tentative numbers extracted from experimental data.

Keywords: phi-meson; subthreshold production; heavy-ion collisions

  • Nucl.Phys.A705:223-235,2002 nucl-th/0110013


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