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Abstract

The production of Xi (1321)- and Xi (1321)+ hyperons in inelastic p+p interactions is studied in a fixed target experiment at a beam momentum of 158 Ge/c. Double differential distributions in rapidity y and transverse momentum pT are obtained from a sample of 33M inelastic events. They allow to extrapolate the spectra to full phase space and to determine the mean multiplicity of both Xi- and Xi +. The rapidity and transverse momentum spectra are compared to transport model predictions. The Xi - mean multiplicity in inelastic p+p interactions at 158 Ge/c is used to quantify the strangeness enhancement in A+A collisions at the same centre-of-mass energy per nucleon pair.

Item Type:	Article
Uncontrolled Keywords:	strange particle-production ; pb-pb collisions ; nuclear collisions ; Baryon production ; model enhancement ; rapidity ; Gev/C
Subjects:	NATURAL SCIENCES > Physics
Divisions:	Division of Experimental Physics
Depositing User:	Tatjana Šuša
Date Deposited:	15 Apr 2022 09:44
URI:	http://fulir.irb.hr/id/eprint/7247
DOI:	10.1140/epjc/s10052-020-8381-0

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