Charm and quarkonium production in collider and fixed-target mode at LHCb
Abstract
Quarkonium production in hadronic collisions is a key probe of the interaction of heavy quarks with nuclear matter. While quarkonium states can dissociate and recombine in nucleus-nucleus collisions, production in smaller systems is influenced by initial- and final-state effects such as shadowing and co-mover breakup. Thanks to excellent vertexing performance, allowing prompt and b -hadron decay components to be separated, the LHCb Collaboration has performed precise measurements of J / ψ , Υ(2 S ), and Υ( nS ) production across a wide range of collision systems. In addition to high-statistics pp and p Pb datasets at TeV energies, the SMOG2 gas injection system provides access to proton-nucleus and nucleus-nucleus collisions in fixed-target configuration at energies of ∼ 100 GeV. With the upgraded detector for LHC Run 3, LHCb can also study more central PbPb collisions than in Run 2, providing access to regions where hot-medium effects are expected to be stronger.
Related
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- New Determinations of the Charm and Bottom Quark Masses Using QCD Quarkonium Sum Rules
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- Soft Contributions Stabilize NNLO QCD Corrections to Quarkonium Production and Decay
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BibTeX
@article{arata2026charm,
title = {{Charm and quarkonium production in collider and fixed-target mode at LHCb}},
author = {Carolina Arata},
journal = {J.Subatomic Part.Cosmol.},
year = {2026},
month = oct,
doi = {10.1016/j.jspc.2026.100557},
url = {https://hal.science/hal-05834668v1},
note = {CC BY},
}
RIS
TY - JOUR
TI - Charm and quarkonium production in collider and fixed-target mode at LHCb
AU - Carolina Arata
PY - 2026
DA - 2026/10/22
JO - J.Subatomic Part.Cosmol.
DO - 10.1016/j.jspc.2026.100557
UR - https://hal.science/hal-05834668v1
AB - Quarkonium production in hadronic collisions is a key probe of the interaction of heavy quarks with nuclear matter. While quarkonium states can dissociate and recombine in nucleus-nucleus collisions, production in smaller systems is influenced by initial- and final-state effects such as shadowing and co-mover breakup. Thanks to excellent vertexing performance, allowing prompt and b -hadron decay components to be separated, the LHCb Collaboration has performed precise measurements of J / ψ , Υ(2 S ), and Υ( nS ) production across a wide range of collision systems. In addition to high-statistics pp and p Pb datasets at TeV energies, the SMOG2 gas injection system provides access to proton-nucleus and nucleus-nucleus collisions in fixed-target configuration at energies of ∼ 100 GeV. With the upgraded detector for LHC Run 3, LHCb can also study more central PbPb collisions than in Run 2, providing access to regions where hot-medium effects are expected to be stronger.
ER -