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Type: Congresso
Title: Identified Particle Production In Pp Collisions At Root S=7 And 13 Tev Measured With Alice
Author: de Souza
R. Derradi
Abstract: Proton-proton (pp) collisions have been used extensively as a reference for the study of interactions of larger colliding systems at the LHC. Recent measurements performed in high-multiplicity pp and proton-lead (p-Pb) collisions have shown features that are reminiscent of those observed in lead-lead (Pb-Pb) collisions. In this context, the study of identified particle spectra and yields as a function of multiplicity is a key tool for the understanding of similarities and differences between Small and large systems. We report on the production of pions, kaons, protons, K-S(0), Lambda, Xi, Omega and K-*0 as a function of multiplicity in pp collisions at root s = 7 TeV measured with the ALICE experiment. The work presented here represents the most comprehensive set of results on identified particle production in pp collisions at the LHC. Spectral shapes, studied both for individual particles and via particle ratios as a function of PT, exhibit an evolution with charged particle multiplicity that is similar to the one observed in larger systems. In addition, results on the production of light flavour hadrons in pp collisions at root s = 13 TeV, the highest centre-of-mass energy ever reached in the laboratory, are also presented and compared with previous, lower energy results.
Editor: IOP Publishing Ltd
Citation: 16th International Conference On Strangeness In Quark Matter . Iop Publishing Ltd, v. 779, p. , 2017.
Rights: aberto
Identifier DOI: 10.1088/1742-6596/779/1/012071
Date Issue: 2017
Appears in Collections:Unicamp - Artigos e Outros Documentos

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