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Production of Σ(1385)± and Ξ(1530)0 in proton–proton collisions at s= 7 TeV

et al.
Abstract

The production of the strange and double-strange baryon resonances (Σ(1385)±$$\Sigma (1385)^{\pm }$$, Ξ(1530)0$$\Xi (1530)^{0}$$) has been measured at mid-rapidity (y$$\left| y \right| $$<0.5$$<0.5$$) in proton–proton collisions at s$$\sqrt{s}$$ =$$=$$ 7 TeV with the ALICE detector at the LHC. Transverse momentum spectra for inelastic collisions are compared to QCD-inspired models, which in general underpredict the data. A search for the ϕ(1860)$$\phi (1860)$$ pentaquark, decaying in the Ξπ$$\Xi \pi $$ channel, has been carried out but no evidence is seen.

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