Abstract
The production of multi-strange hadrons in proton-proton interactions is currently studied with the NA61/SHINE experiment at the SPS. These particles are reconstructed via their weak decay typologies, exploiting the tracking and particle identification capabilities of NA61/SHINE. New measurements of rapidity and transverse momentum spectra of Ξ−and Ξ resonances and their antiparticles are shown. The results are compared to those observed in A+A collisions as well as to model predictions.
Highlights
The production of multi-strange hadrons in proton-proton interactions is currently studied with the NA61/SHINE experiment at the SPS
The NA61/SHINE tracking system consists of 4 large volume time projection chambers (TPCs)
The interactions were measured in the H2 beamline in the North Experimental Hall with a secondary beam of 158 GeV/c protons impinging on a cylindrical Liquid Hydrogen Target (LHT) of 20 cm length and 2 cm diameter
Summary
The production of multi-strange hadrons in proton-proton interactions is currently studied with the NA61/SHINE experiment at the SPS. The presented results cover dou√bly strange hyperon production in inelastic p+p interactions at 158 GeV/c corresponding to sNN=17.3 GeV.
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