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

Abelev, B. and Adam, J. and Adamová, D. and Aggarwal, M. M. and Rinella, G. A. and Barnaföldi, Gergely Gábor and Bencédi, Gyula and Berényi, Dániel and Boldizsár, László and Dénes, Ervin and Hamar, Gergő and Kiss, Gábor and Varga-Kőfaragó, Mónika and Lévai, Péter and Molnár, Levente and Oláh, László and Pochybova, Sona (2015) Production of Σ(1385)± and Ξ(1530)0 in proton–proton collisions at √s = 7 TeV. EUROPEAN PHYSICAL JOURNAL C, 75 (1). ISSN 1434-6044

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Abstract

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. Transverse momentum spectra for inelastic collisions 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 evidence is seen.

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