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Fragmentation contributions to J/psi production at the Tevatron and the LHC

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arxiv 1403.3612 v2 pith:5OU7IL3K submitted 2014-03-14 hep-ph

Fragmentation contributions to J/psi production at the Tevatron and the LHC

classification hep-ph
keywords correctionsfragmentationproductiontevatronalphacollaborationscombinedcompute
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We compute leading-power fragmentation corrections to $J/\psi$ production at the Tevatron and the LHC. We find that, when these corrections are combined with perturbative corrections through next-to-leading order in the strong coupling constant $\alpha_s$, we obtain a good fit to high-$p_T$ cross section data from the CDF and CMS Collaborations. The fitted long-distance matrix elements lead to predictions of near-zero $J/\psi$ polarization in the helicity frame at large $p_T$.

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Forward citations

Cited by 6 Pith papers

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

  1. Next-to-next-to-leading-order QCD corrections to ${}^3S_1^{(8)}$ gluon fragmentation function for quarkonium

    hep-ph 2026-06 unverdicted novelty 8.0

    First NNLO QCD calculation of the ³S₁⁽⁸⁾ gluon fragmentation function in NRQCD, yielding positive substantial corrections and endpoint logarithms for threshold resummation.

  2. Next-to-next-to-leading-order QCD corrections to ${}^3S_1^{(8)}$ gluon fragmentation function for quarkonium

    hep-ph 2026-06 conditional novelty 7.5

    First NNLO QCD short-distance coefficients for the ³S₁⁽⁸⁾ gluon fragmentation function are obtained numerically to high precision, with analytic endpoint logarithms reconstructed for threshold resummation.

  3. Factorizing quarkonium production matrix elements using effective field theory

    hep-ph 2026-05 unverdicted novelty 7.0

    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...

  4. Resummation of threshold double logarithms in quarkonium fragmentation functions

    hep-ph 2026-02 unverdicted novelty 7.0

    Resummed quarkonium fragmentation functions are derived to all orders in perturbation theory, resolving threshold singularities without nonperturbative model functions.

  5. Automated NRQCD and NRQED simulations of quarkonium and leptonium production with P-wave states and physical-mass effects

    hep-ph 2026-07 conditional novelty 6.0

    MadSONS extends MadGraph to automated LO NRQCD/NRQED event generation for arbitrary S- and P-wave bound states, with dual-number projectors and physical-mass reshuffling.

  6. Prompt ${J/\psi}$-pair production at the LHC: impact of loop-induced contributions and of the colour-octet mechanism

    hep-ph 2019-06 unverdicted novelty 5.0

    Loop-induced CS and selected CO SPS contributions to prompt J/ψ pairs are too small or kinematically limited to account for LHC data or affect DPS control regions.