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Collisional and thermal dissociation of $J/\psi$ and $\Upsilon$ states at the LHC

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arxiv 1709.02372 v2 pith:OTXLQZUT submitted 2017-09-07 hep-ph nucl-th

Samuel Aronson , Evan Borras , Brunel Odegard , Rishi Sharma , Ivan Vitev This is my paper
classification hep-phnucl-th
keywords upsilonstatescenter-of-masscollisionaldissociationenergymomentumresults
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abstract

We present new results for the suppression of high transverse momentum charmonium [$J/\psi, \psi(2S)$] and bottomonium [$\Upsilon(1S),\Upsilon(2S),\Upsilon(3S)$] states in Pb+Pb collisions at the Large Hadron Collider. Our theoretical formalism combines the collisional dissociation of quarkonia, as they propagate in the quark-gluon plasma, with the thermal wavefunction effects due to the screening of the $Q\bar{Q}$ attractive potential in the medium. We find that a good description of the relative suppression of the ground and higher excited quarkonium states, transverse momentum and centrality distributions is achieved, when comparison to measurements at a center-of-mass energy of 2.76 TeV is performed. Theoretical predictions for the highest Pb+Pb center-of-mass energy of 5.02 TeV at the LHC, where new experimental results are being finalized, are also presented.

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Forward citations

Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Factorizing quarkonium production matrix elements using effective field theory

    hep-ph 2026-05 unverdicted novelty 7.0 of 10

    Factorizes NRQCD production matrix elements for S- and P-wave quarkonia into wavefunctions and universal chromo-electric/magnetic gluon correlators via hybrid vNRQCD/pNRQCD and Hubbard-Stratonovich transformation at l...

  2. Bottomonium transport in a strongly coupled quark-gluon plasma

    nucl-th 2025-08 unverdicted novelty 5.0 of 10

    A semiclassical transport model using lattice-constrained T-matrix rates and viscous hydrodynamics reproduces the centrality dependence of bottomonium yields in 5.02 TeV Pb-Pb collisions within uncertainties.

  3. Toward an effective theory of quarkonium production in nuclear matter

    hep-ph 2019-07 unverdicted novelty 5.0 of 10

    NRQCD with Glauber gluons is proposed as a universal microscopic framework for quarkonium interactions across cold nuclear matter, dense hadron gas, and quark-gluon plasma phases.

  4. Proceedngs of Charmonium production in heavy-ion collisions, Quark Matter 2025

    nucl-ex 2025-09 conditional novelty 4.0 of 10

    ALICE's first Run 3 psi(2S)-to-J/psi ratio in Pb-Pb at 5.36 TeV shows a centrality-flat, roughly two-fold suppression relative to pp, consistent with Run 2 and with regeneration models.

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