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Open AccessProceedings

ψ(2S) Production in p-Pb and Pb-Pb Collisions with the ALICE Experiment

INFN Torino, 10125 Torino, Italy
Presented at Hot Quarks 2018—Workshop for Young Scientists on the Physics of Ultrarelativistic Nucleus-Nucleus Collisions, Texel, The Netherlands, 7–14 September 2018.
Proceedings 2019, 10(1), 17; https://doi.org/10.3390/proceedings2019010017
Published: 12 April 2019
The inclusive production of the charmonium state ψ ( 2 S ) was studied in p-Pb and Pb-Pb collisions at s NN = 8.16 TeV and 5.02 TeV respectively, using the ALICE detector at the CERN LHC. The ψ ( 2 S ) is less bound than the J / ψ and it represents an interesting probe for the study of cold nuclear matter effects in p-Pb collisions, while in the Pb-Pb system its formation can be strongly influenced by QGP production. The measurements are performed in different center-of-mass rapidity ranges, 2.03 < y cms < 3.53 and −4.46 < y cms < −2.96 for p-Pb collisions and 2.5 < y cms < 4.0 for Pb-Pb collisions, down to zero transverse momentum, through the ψ ( 2 S ) μ + μ - decay channel. The results are compared to those obtained for the J / ψ and with theoretical predictions.
Keywords: quarkonia; ψ(2S); J/ψ; Quark-Gluon Plasma; cold nuclear matter effects quarkonia; ψ(2S); J/ψ; Quark-Gluon Plasma; cold nuclear matter effects
MDPI and ACS Style

Micheletti, L. ψ(2S) Production in p-Pb and Pb-Pb Collisions with the ALICE Experiment. Proceedings 2019, 10, 17.

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