The Institute of Nuclear and Particle Physics (INPP) presents Phiala Shanahan, of William & Mary, recipient of the 2016 Dissertation Award in Hadronic Physics and one of Forbes Top 30 under 30, on “Exposing Gluon Structure in Protons and Nuclei” on Tuesday, Dec. 5, at 4 p.m. in Edwards Accelerator Lab, Roger W. Finlay Conference Room.
Phiala Shanahan
Abstract: I will present new insight into the poorly-known gluon structure of hadrons and nuclei, achieved through recent advances in the numerical lattice approach to QCD. In particular, I will address questions including ‘What is the gluon radius of the proton, and how does it compare with the charge radius?’, and ‘How is the gluon structure of nucleons modified in nuclei?’. My predictions will likely be tested within the next decade; an Electron-Ion collider designed to perform first measurements of a host of gluon structure quantities is currently in the planning phase. Extending numerical calculations to the largest nuclei that may be used in the experimental program will require revolutionary approaches to lattice field theory. With this motivation, I will also discuss recent progress and future possibilities in applying modern machine learning techniques to this task.
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