Volume 422 - The Tenth Annual Conference on Large Hadron Collider Physics (LHCP2022) - Poster Session
ψ(2S) production as a function of charged-particle multiplicity in pp collisions at √s =13 TeV and p--Pb collisions at √sNN = 8.16 TeV with ALICE at the LHC
T. Tork*  on behalf of the ALICE collaboration
*: corresponding author
Full text: pdf
Pre-published on: March 27, 2023
Published on: June 21, 2023
Abstract
The self-normalised 𝜓(2S) yields as a function of charged-particle multiplicity in pp collisions at
√𝑠 = 13 TeV and p–Pb collisions at √𝑠NN = 8.16 TeV, using the ALICE detector at the CERN LHC,
are reported in these proceedings. This measurement represents one of the main tools to understand the
role of multiparton interactions and their influence on charmonium production in small systems,
i.e pp and pA collisions. The ratio of 𝜓(2S)-over-J/𝜓 as a function of charged-particle multiplicity
is also presented for both pp and p–Pb collisions. The comparison to theoretical calculations is
reported
DOI: https://doi.org/10.22323/1.422.0266
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