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

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7 TeV
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The production of the strange and double-strange baryon resonances (Σ(1385)±, Ξ(1530)0) has been measured at mid-rapidity (|y|< 0.5) in proton-proton collisions at √s= 7 TeV with the ALICE detector at the LHC. Measurements of integrated yields and transverse momentum spectra at mid-rapidity for inelastic collisions are presented. The measured spectra are compared to QCD-inspired models which in general underpredict the data. A search for the Φ(1860) pentaquark decaying in the Ξπ channel has been carried out but no significant evidence is seen.