HET Seminar

"First principles' calculations of the gluon structure of hadrons"

Presented by Christopher Monahan, College of William and Mary

Thursday, September 22, 2022, 11:00 am — Hybrid:Bldg. 510, Small Seminar Room

Abstract: Gluons constitute the bulk of the mass of the visible universe and play a major role in determining the fundamental properties of protons, neutrons and other hadrons. The one-dimensional structural properties of hadrons are partly encoded in parton distribution functions (PDFs), which capture their longitudinal momentum structure. Our knowledge of the gluon PDF of the nucleon has been significantly improved by the wealth of data from the Large Hadron Collider, but many aspects of gluon structure are still unclear. I will review the HadStruc collaboration's recent attempts to understand the gluon structure of hadrons directly from lattice quantum chromodynamic (QCD), the numerical solution of QCD on a Euclidean spacetime lattice, and outline some of the challenges involved in these first-principles calculations.

Hosted by: Matt Sullivan

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