Inclusive quarkonium production at forward rapidity in pp collisions at [Formula: see text]TeV

Area of Science:

• High Energy Physics
• Particle Physics
• Quantum Chromodynamics (QCD)

Background:

• Quarkonia production in proton-proton collisions provides crucial insights into the mechanisms of heavy quark interactions governed by QCD.
• Measurements at forward rapidity are essential for a comprehensive understanding of particle production dynamics at the Large Hadron Collider (LHC).
• Previous studies have established baseline measurements, but further precision is needed, especially for different collision energies and rapidity regions.

Purpose of the Study:

• To report on the inclusive production cross sections of J/ψ, ψ(2S), and Υ(1S, 2S, 3S) resonances.
• To measure differential cross sections as a function of transverse momentum and rapidity.
• To compare these measurements with existing data from other LHC experiments, specifically the LHCb collaboration.

Main Methods:

• Utilized the ALICE detector at the LHC to record data from proton-proton collisions at a center-of-mass energy of 13 TeV.
• Analyzed an integrated luminosity of 1.23 pb⁻¹.
• Reconstructed quarkonia via their dimuon decay channel and measured differential cross sections over specified ranges of transverse momentum and rapidity.

Main Results:

• Reported integrated production cross sections for J/ψ, ψ(2S), and Υ(1S, 2S, 3S) resonances.
• Presented differential cross sections as a function of transverse momentum (pT) and rapidity (y).
• Observed agreement between ALICE and LHCb measurements within 20% in the common rapidity range.

Conclusions:

• The measured inclusive production cross sections are consistent with previous results from the LHCb collaboration.
• These findings contribute to a more complete picture of quarkonia production in proton-proton collisions at 13 TeV.
• The study validates the capabilities of the ALICE detector for quarkonia measurements at forward rapidity.