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Open Access item Strange particle production in pp collisions at ps = 0.9 and 7 TeV

Authors:Khachatryan, V.
Brochero Cifuentes, J. A.
Cabrillo, I. J.
Calderón, A.
Chamizo Llatas, M.
Chuang, S. H.
Duarte Campderros, J.
Felcini, M.
Fernández, M.
Gómez, G.
González Sánchez, J.
Jorda, C.
Lobelle Pardo, P.
López Virto, A.
Marco, Jesús
Marco, Rafael
Martínez-Rivero, Celso
Matorras, Francisco
Muñoz Sánchez, F. J.
Piedra, Jonatan
Rodrigo, Teresa
Ruiz Jimeno, Alberto
Scodellaro, Luca
Sobron Sañudo, M.
Vila, Iván
Vilar, Rocío
CMS collaboration
Issue Date:2011
Publisher:Springer
Citation:Journal of High Energy Physics 5: 64 (2011)
Abstract:The spectra of strange hadrons are measured in proton-proton collisions, recorded by the CMS experiment at the CERN LHC, at centre-of-mass energies of 0.9 and 7 TeV. The \textK\textS0 K0S, Λ, and Ξ− particles and their antiparticles are reconstructed from their decay topologies and the production rates are measured as functions of rapidity and transverse momentum, p T. The results are compared to other experiments and to predictions of the Pythia Monte Carlo program. The p T distributions are found to differ substantially from the Pythia results and the production rates exceed the predictions by up to a factor of three.
URI:http://hdl.handle.net/10261/52135
Identifiers:doi: 10.1007/JHEP05(2011)064
e-issn: 1029-8479
Appears in Collections:(IFCA) Artículos

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