Probing transverse momentum dependent gluon distribution functions from hadronic quarkonium pair production

Abstract

The inclusive hadronic production of ${\eta }_Q$(${\eta }_c$ or ${\eta }_b$) pair is proposed to extract the transverse momentum dependent(TMD) gluon distribution functions. We use nonrelativistic QCD(NRQCD) for the production of ${\eta }_Q$. Under nonrelativistic limit TMD factorization for this process is assumed to make a lowest order calculation. For unpolarized initial hadrons, unpolarized and linearly polarized gluon distributions can be extracted by studying different angular distributions.

arXiv comment7 pages, 3 figures, 1 table

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Cited by in corpus (13)

• New Observables in Inclusive Production of Quarkonia
• Pinning down the linearly-polarised gluons inside unpolarised protons using quarkonium-pair production at the LHC
• Suppression of maximal linear gluon polarization in angular asymmetries
• Studies of gluon TMDs and their evolution using quarkonium-pair production at the LHC
• TMD factorization for dijet and heavy-meson pair in DIS
• Transverse momentum dependent distributions in dijet and heavy hadron pair production at EIC
• Prospects for quarkonium studies at the high-luminosity LHC
• Quarkonium TMD fragmentation functions in NRQCD
• QCD Factorization for Quarkonium Production in Hadron Collions at Low Transverse Momentum
• Gluon TMD fragmentation function into quarkonium
• Back-to-back isolated photon-quarkonium production at the LHC and the transverse-momentum-dependent distributions of the gluons in the proton
• Investigating the Transverse Single Spin Asymmetry in the Inelastic $J/\Psi$ photoproduction in $p^{\uparrow }p$ and $p^{\uparrow }A$ collisions
• Gluon Polarimetry with Energy-Energy Correlators