Production of Λ 0 , ¯¯¯ Λ 0 , Ξ ± , and Ω ± hyperons in p ¯ p collisions at √ s = 1.96 TeV

We report a set of measurements of inclusive invariant pT differential cross sections of Λ0, ¯¯¯Λ0, Ξ±, and Ω± hyperons reconstructed in the central region with pseudorapidity |η|<1 and pT up to 10  GeV/c. Events are collected with a minimum-bias trigger in p¯p collisions at a center-of-mass ener...

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Detalhes bibliográficos
Autores: Aaltonen, Timo Antero, Álvarez González, Bárbara, Casal Laraña, Bruno, Cuevas Maestro, Francisco Javier, Gómez Gramuglio, Gervasio|||0000-0002-1077-6553, Palencia Cortezón, José Enrique, Rodrigo Anoro, Teresa, Ruiz Jimeno, Alberto|||0000-0002-3639-0368, Scodellaro, Luca|||0000-0002-4974-8330, Vila Álvarez, Iván |||0000-0002-6797-7209, Vilar Cortabitarte, Rocío|||0000-0003-2045-8054
Formato: artículo
Fecha de publicación:2012
País:España
Recursos:Universidad de Cantabria (UC)
Repositorio:UCrea Repositorio Abierto de la Universidad de Cantabria
Idioma:inglés
OAI Identifier:oai:repositorio.unican.es:10902/28391
Acesso em linha:https://hdl.handle.net/10902/28391
Access Level:acceso abierto
Descrição
Resumo:We report a set of measurements of inclusive invariant pT differential cross sections of Λ0, ¯¯¯Λ0, Ξ±, and Ω± hyperons reconstructed in the central region with pseudorapidity |η|<1 and pT up to 10  GeV/c. Events are collected with a minimum-bias trigger in p¯p collisions at a center-of-mass energy of 1.96 TeV using the CDF II detector at the Tevatron Collider. As pT increases, the slopes of the differential cross sections of the three particles are similar, which could indicate a universality of the particle production in pT. The invariant differential cross sections are also presented for different charged-particle multiplicity intervals.

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