Counting linearly polarized gluons with lattice QCD
arXiv:2212.00825 · doi:10.1103/PhysRevD.109.014002
Abstract
We outline an approach to calculate the transverse-momentum-dependent distribution of linearly polarized gluons inside an unpolarized hadron on the lattice with the help of large momentum effective theory. To achieve this purpose, we propose calculating a Euclidean version of the degree of polarization for a fast-moving hadron on the lattice, which is ultraviolet finite, and no soft function subtraction is needed. It indicates a practical way to explore the distribution of the linearly polarized gluons in a proton and the linearly polarized gluon effects in hadron collisions on the lattice.
6 pages, 1 figure. To match the published version
References in corpus (11)
- Relations between generalized and transverse momentum dependent parton distributions
- kt-factorization for Hard Processes in Nuclei
- A complete non-perturbative renormalization prescription for quasi-PDFs
- Direct Probes of Linearly Polarized Gluons inside Unpolarized Hadrons
- Renormalization of transverse-momentum-dependent parton distribution on the lattice
- One-loop Matching for Spin-Dependent Quasi-TMDs
- One-loop matching for gluon lattice TMDs
- Polarized Gluon Pseudodistributions at Short Distances
- How to measure the linear polarization of gluons in unpolarized proton using the heavy-quark pair leptoproduction
- Gluon Transverse-Momentum-Dependent Distributions from Large-Momentum Effective Theory
- Short-Distance Structure of Unpolarized Gluon Pseudodistributions