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Abstract:

Two-particle pseudorapidity correlations are measured in sNN=2.76TeVPb+Pb, sNN=5.02TeVp+Pb, and s=13TeVpp collisions at the Large Hadron Collider (LHC), with total integrated luminosities of approximately 7μb-1, 28 nb-1, and 65 nb-1, respectively. The correlation function CN(η1,η2) is measured as a function of event multiplicity using charged particles in the pseudorapidity range |η|<2.4. The correlation function contains a significant short-range component, which is estimated and subtracted. After removal of the short-range component, the shape of the correlation function is described approximately by 1+(a12)1/2η1η2 in all collision systems over the full multiplicity range. The values of (a12)1/2 are consistent for the opposite-charge pairs and same-charge pairs, and for the three collision systems at similar multiplicity. The values of (a12)1/2 and the magnitude of the short-range component both follow a power-law dependence on the event multiplicity. The short-range component in p + Pb collisions, after symmetrizing the proton and lead directions, is found to be smaller at a given η than in pp collisions with comparable multiplicity. © 2017 CERN.

Registro:

Documento: Artículo
Título:Measurement of forward-backward multiplicity correlations in lead-lead, proton-lead, and proton-proton collisions with the ATLAS detector
Autor:Aaboud, M. et al.
Este artículo contiene 2858 autores, consultelos en el artículo en formato pdf.
Filiación: Este artículo contiene 2858 autores con sus filiaciones, consultelas en el artículo en formato pdf.
Año:2017
Volumen:95
Número:6
DOI: http://dx.doi.org/10.1103/PhysRevC.95.064914
Título revista:Physical Review C
Título revista abreviado:Phys. Rev. C
ISSN:24699985
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_24699985_v95_n6_p_Aaboud

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Citas:

---------- APA ----------
(2017) . Measurement of forward-backward multiplicity correlations in lead-lead, proton-lead, and proton-proton collisions with the ATLAS detector. Physical Review C, 95(6).
http://dx.doi.org/10.1103/PhysRevC.95.064914
---------- CHICAGO ----------
Aaboud, M. "Measurement of forward-backward multiplicity correlations in lead-lead, proton-lead, and proton-proton collisions with the ATLAS detector" . Physical Review C 95, no. 6 (2017).
http://dx.doi.org/10.1103/PhysRevC.95.064914
---------- MLA ----------
Aaboud, M. "Measurement of forward-backward multiplicity correlations in lead-lead, proton-lead, and proton-proton collisions with the ATLAS detector" . Physical Review C, vol. 95, no. 6, 2017.
http://dx.doi.org/10.1103/PhysRevC.95.064914
---------- VANCOUVER ----------
Aaboud, M. Measurement of forward-backward multiplicity correlations in lead-lead, proton-lead, and proton-proton collisions with the ATLAS detector. Phys. Rev. C. 2017;95(6).
http://dx.doi.org/10.1103/PhysRevC.95.064914