Production of Sigma (1385)(+/-) and Xi (1530)(0) in proton-proton collisions at root s=7 TeV
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G. and Zoccarato, Y. and Zyzak, M. and ALICE Collaboration... Show more Show less
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Abstract
The production of the strange and double-strange baryon resonances
(Sigma (1385)(+/-), Xi (1530)(0)) has been measured at mid-rapidity
(vertical bar y vertical bar < 0.5) in proton-proton collisions at root
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 phi (1860)
pentaquark, decaying in the Xi pi channel, has been carried out but no
evidence is seen.