Femtoscopy of the Origin of the Nucleon Mass

Abstract

We study the prospects of using femtoscopic low-momentum correlation measurements at the Large Hadron Collider to access properties of the J/psi-nucleon interaction. The QCD multipole expansion in terms of the J/psi chromopolarizability relates the forward scattering amplitude to a key matrix element to the origin of the nucleon mass problem, the average chromoelectric gluon distribution in the nucleon. We use information on the J/psi-nucleon interaction provided by lattice QCD simulations and phenomenological models to compute J/psi-nucleon correlation functions. The computed correlation functions show clear sensitivity to the interaction, in particular to the J/psi chromopolarizability.

arXiv comment9 pages, 4 figures

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Cited by in corpus (9)

• Vector-meson production and vector meson dominance
• Proton and pion distribution functions in counterpoint
• Parton distributions of light quarks and antiquarks in the proton
• $J/\psi$-$p$ Scattering Length from the Total and Differential Photoproduction Cross Sections
• Nucleon-charmonium interactions from lattice QCD
• Empirical Determination of the Pion Mass Distribution
• Deciphering the mechanism of $J/\psi$-nucleon scattering
• Revealing pion and kaon structure via generalised parton distributions
• Low-energy scattering of the $J/\psi \pi$ and $J/\psi K$ system