20 papers · 1 filter
Quest for an Understanding of Pion and Kaon Structure
Zhen-Ni Xu, Daniele Binosi, Craig D. Roberts +1
The emergence of massless (Nambu-Goldstone) bosons in association with a dynamically global broken symmetry is a long known and widespread phenomenon in physics. However, practical…
Insights into Meson and Baryon Structure using Continuum Schwinger Function Methods
Daniele Binosi, Craig D. Roberts, Zhao-Qian Yao
The bulk of visible mass is supposed to emerge from nonperturbative dynamics within quantum chromodynamics (QCD). Following years of development and refinement, continuum and latti…
Helicity Dependent Distribution Functions of the Proton and and Baryons
Yang Yu, Peng Cheng, Hui-Yu Xing +2
Using continuum Schwinger function methods, a coherent set of predictions for proton, and distribution functions (DFs) has been made available -- both helicity dependent…
Insights into Nucleon Resonances via Continuum Schwinger Function Methods
Peng Cheng, Langtian Liu, Ya Lu +1
The first baryon resonance was discovered in the early 1950s. The Roper resonance joined the collection ten years later. Today, many baryon resonances are known and more are being…
Symmetry-preserving calculation of pion light-front wave functions
Zhao-Qian Yao, Zhen-Ni Xu, Yu-Yang Xiao +2
Poincaré-covariant Bethe-Salpeter wave functions are used to calculate light-front wave functions (LFWFs) of the pion, , and an analogue state, . The current masses…
Light-Front Transverse Nucleon Charge and Magnetisation Densities
Z. -N. Xu, Z. -Q. Yao, P. Cheng +3
Nucleon elastic electromagnetic form factors obtained using both the three-body and quark + fully-interacting-diquark pictures of nucleon structure are employed to calculate an arr…