Testing OPE for ghosts, gluons and $\alpha_s$
Benoit Blossier, Philippe Boucaud, Mariane Brinet, vincent Morenas,, Olivier Pene, Konstantin Petrov, Jose Rodriguez-Quinteiro, Feliciano de Soto
TL;DR
This paper uses lattice QCD to extract Wilson coefficients from ghost and gluon propagators, validating a method for calculating the strong coupling constant and identifying the momentum range where the Operator Product Expansion (OPE) applies.
Contribution
The paper introduces a validated lattice QCD method for extracting Wilson coefficients from propagators, enhancing the precision of strong coupling constant calculations.
Findings
Confirmed the validity of the method for strong coupling constant calculation
Estimated the momentum range where OPE is applicable
Validated the approach using ghost and gluon propagators
Abstract
We present here our results on extracting Wilson coefficients from different quantities such as ghost and gluon propagators which are calculated by means of Lattice QCD. The results confirm the validity of our method for the calculation of the strong coupling constant as well as allow to estimate the range of momenta where OPE is applicable.
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Taxonomy
TopicsQuantum Chromodynamics and Particle Interactions · Particle physics theoretical and experimental studies · High-Energy Particle Collisions Research