Charged jet cross sections and properties in proton-proton collisions at s = 7 TeV

ALICE Collaboration

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Resumen

The differential charged jet cross sections, jet fragmentation distributions, and jet shapes are measured in minimum bias proton-proton collisions at center-of-mass energy s=7TeV using the ALICE detector at the LHC. Jets are reconstructed from charged particle momenta in the midrapidity region using the sequential recombination kT and anti-kT as well as the SISCone jet finding algorithms with several resolution parameters in the range R=0.2-0.6. Differential jet production cross sections measured with the three jet finders are in agreement in the transverse momentum (pT) interval 20<pTjet,ch<100GeV/c. They are also consistent with prior measurements carried out at the LHC by the ATLAS Collaboration. The jet charged particle multiplicity rises monotonically with increasing jet pT, in qualitative agreement with prior observations at lower energies.

Idioma originalInglés
Número de artículo112012
PublicaciónPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volumen91
N.º11
DOI
EstadoPublicada - 22 jun. 2015

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