Chris Monahan - Determining the partonic structure of hadrons via lattice quantum chromodynamics

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• Chris Monahan (William-Mary Coll.)
• Friday 17 March 2023, 16:00-17:00
• Potter Room (B1.19).

If you have a question about this talk, please contact Maeve Madigan.

Zoom: https://us02web.zoom.us/j/85896693592?pwd=cDBJMVJJNlkwcG9FWFBJNTJmTTJyQT09 Meeting ID: 858 9669 3592 Passcode: 199505

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, but their arrangement within hadrons is relatively poorly known. 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 introduce the techniques used to determine hadron structure from lattice quantum chromodynamics (QCD), the numerical solution of QCD on a Euclidean spacetime lattice, and then discuss the HadStruc collaboration’s recent attempts to understand the gluon structure of hadrons, outlining some of the challenges involved in these first-principles calculations.

This talk is part of the HEP phenomenology joint Cavendish-DAMTP seminar series.

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