Strangeness Suppression in Proton-Proton Collisions

Details Strangeness Suppression in Proton-Proton Collisions Strangeness Suppression in Proton-Proton Collisions

2001-05-02

arxiv.org/abs/hep-ph/0105020v1

Phys.Rev. D65 (2002) 057501

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 Figures, 4 Pages

Scientific paper

10.1103/PhysRevD.65.057501

We analyse strangeness production in proton-proton (pp) collisions at SPS and RHIC energies, using the recently advanced NeXus approach. After having verified that the model reproduces well the existing data, we interpret the results: strangeness is suppressed in proton-proton collisions at SPS energy as compared to electron-positron (e+e-) annihilation due to the limited masses of the strings produced in the reaction, whereas high energy pp and e+e- collisions agree quantitatively . Thus strangeness suppression at SPS energies is a consequence of the limited phase-space available in string fragmentation.

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