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Abstract:

Measurements of differential cross sections for J/ψ production in p + Pb collisions at (√SNN at the CERN Large Hadron Collider with the ATLAS detector are presented. The data set used corresponds to an integrated luminosity of 28.1 nb −1 . The J/ψ mesons are reconstructed in the dimuon decay channel over the transverse momentum range 8 < p T < 30 GeV and over the center-of-mass rapidity range −2.87 < y ∗ < 1.94. Prompt J/ψ are separated from J/ψ resulting from b-hadron decays through an analysis of the distance between the J/ψ decay vertex and the event primary vertex. The differential cross section for production of nonprompt J/ψ is compared to a FONLL calculation that does not include nuclear effects. Forward-backward production ratios are presented and compared to theoretical predictions. These results complement previously published results by covering a region of higher transverse momentum and more central rapidity. They thus constrain the kinematic dependence of nuclear modifications of charmonium and b-quark production in p + Pb collisions. © 2015 CERN, for the ATLAS Collaboration.

Registro:

Documento: Artículo
Título:Measurement of differential J/ψ production cross sections and forward-backward ratios in p + Pb collisions with the ATLAS detector
Autor:Aad, G. et al.
Este artículo contiene 2902 autores, consultelos en el artículo en formato pdf.
Filiación: Este artículo contiene 2902 autores con sus filiaciones, consultelas en el artículo en formato pdf.
Año:2015
Volumen:92
Número:3
DOI: http://dx.doi.org/10.1103/PhysRevC.92.034904
Título revista:Physical Review C - Nuclear Physics
Título revista abreviado:Phys. Rev. C Nucl. Phys.
ISSN:05562813
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_05562813_v92_n3_p_Aad

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Citas:

---------- APA ----------
(2015) . Measurement of differential J/ψ production cross sections and forward-backward ratios in p + Pb collisions with the ATLAS detector. Physical Review C - Nuclear Physics, 92(3).
http://dx.doi.org/10.1103/PhysRevC.92.034904
---------- CHICAGO ----------
Aad, G. "Measurement of differential J/ψ production cross sections and forward-backward ratios in p + Pb collisions with the ATLAS detector" . Physical Review C - Nuclear Physics 92, no. 3 (2015).
http://dx.doi.org/10.1103/PhysRevC.92.034904
---------- MLA ----------
Aad, G. "Measurement of differential J/ψ production cross sections and forward-backward ratios in p + Pb collisions with the ATLAS detector" . Physical Review C - Nuclear Physics, vol. 92, no. 3, 2015.
http://dx.doi.org/10.1103/PhysRevC.92.034904
---------- VANCOUVER ----------
Aad, G. Measurement of differential J/ψ production cross sections and forward-backward ratios in p + Pb collisions with the ATLAS detector. Phys. Rev. C Nucl. Phys. 2015;92(3).
http://dx.doi.org/10.1103/PhysRevC.92.034904