Data on charged and neutral kaon and on φ (1020) production in p+ p, p+ Pb and Pb+ Pb
collisions at 158 GeV/c· A beam momentum are presented. Strangeness is found to increase …

The reaction pp→ K++ (Λp) was measured at Tp= 1.953 GeV and Θ= 0° with a high missing
mass resolution in order to study the Λp final state interaction. The large final state …

The Σ+ hyperon production was measured at the COSY-11 spectrometer via the pp→ nK+
Σ+ reaction at excess energies of Q= 13 MeV and Q= 60 MeV. These measurements …

Abstract KS 0, Λ, Ξ, Ω and negative particle h− yields and transverse mass spectra,
measured at central rapidity in p-Pb and Pb-Pb collisions at 158 A GeV/c, are presented and …

The K− p reactions with final states Λπ 0, Σ 0 π 0, Λπ 0 π 0, Λη and Σ 0 η have been studied
at 14 momenta between 685 and 934 MeV/c using optical spark chambers. The charged …

The inclusive cross section for the production of K s 0 mesons, Λ and ̄ Λ particles in proton-
proton interactions at\sqrt s= 63 GeV is presented. The produced particles have been …

Over 4000 n+ p→ π−+ p+ p events, obtained in a hydrogen bubble chamber, have been
analyzed. The kinetic energies of the initiating neutrons ranged from threshold to 440 MeV …

Results for the energy dependence of the elementary kaon production cross sections in
proton-proton collisions are reported. Calculations are performed within an extended …

An enhancement in the (ΣK) mass spectrum at threshold is observed in K− p interactions at
4.2 GeV/c. It appeats both in the neutral and negative charge states. Corresponding ΛK …

Strangeness production processes pp→ YY (Y= Λ, Σ) have been studied near threshold in a
full coupled-channel calculation. The transition interactions are based on K-and K*-meson …