Related paper Strange particle production in proton-proton collisions at $\sqrt{s} = 0.9$ TeV with ALICE at the LHC Comparison of the transverse momentum differential yield for the $\mathrm {\Xi^{-}+\overline{\Xi}^{+}}$ particle for INEL pp collisions with PHOJET and PYTHIA tunes 109, 306 and 320 [png] [pdf]