Erratum to: Measurements of $${\Xi }{^-} $$ Ξ - and $$\overline{\Xi }{^+} $$ Ξ ¯ + production in proton–proton interactions at $$\sqrt{s_{NN}}$$ s NN = 17.3 $$\hbox {Ge}\hbox {V}$$ Ge in the NA61/SHINE experiment
The European Physical Journal C(2022)
摘要
The production of
$$\Xi (1321)^{-}$$
and
$$\overline{\Xi }(1321)^{+}$$
hyperons in inelastic p+p interactions is studied in a fixed target experiment at a beam momentum of 158
$$\hbox {Ge}\hbox {V}\!/\!c$$
. Double differential distributions in rapidity
$${y}$$
and transverse momentum
$$p_{T}$$
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
$$\overline{\Xi }{^+} $$
. The rapidity and transverse momentum spectra are compared to transport model predictions. The
$${\Xi }{^-} $$
mean multiplicity in inelastic p+p interactions at 158
$$\hbox {Ge}\hbox {V}\!/\!c$$
is used to quantify the strangeness enhancement in A+A collisions at the same centre-of-mass energy per nucleon pair.
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