Bulletin of the American Physical Society
APS April Meeting 2019
Volume 64, Number 3
Saturday–Tuesday, April 13–16, 2019; Denver, Colorado
Session C09: 3D Quark and Gluon Structure of the Proton
1:30 PM–2:54 PM,
Saturday, April 13, 2019
Sheraton
Room: Governor's Square 11
Sponsoring
Units:
GHP DNP
Chair: David Richards, Jefferson Lab
Abstract: C09.00005 : The pressure distribution and shear forces inside the proton from lattice QCD*
(Author Not Attending)
Presenter:
Phiala Shanahan
(MIT)
Author:
Phiala Shanahan
(MIT)
The distributions of pressure and shear forces inside the proton have recently been investigated for the first time using lattice Quantum Chromodynamics (LQCD) calculations of the energy momentum tensor. I will describe the results and discuss the utility of LQCD calculations in exploring, and supplementing, the assumptions in a recent extraction of the pressure distribution in the proton from deeply virtual Compton scattering. More generally, I will discuss the status and prospects of LQCD studies of the gluon structure of hadrons and light nuclei, motivated by providing Standard Model predictions for quantities to be measured for the first time at a planned Electron-Ion Collider.
*This work used XSEDE, supported by NSF ACI-1548562 under TG-PHY170018, and NERSC, supported by DoE DE-AC02-05CH11231. PES is supported by NSF CAREER 1841699.
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