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hep-ph2025
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…
hep-ph2025
Quark + Diquark Description of Nucleon Elastic Electromagnetic Form Factors
Peng Cheng, Zhao Qian Yao, Daniele Binosi +2
Working with a Poincaré-covariant quark + diquark, , Faddeev equation approach to nucleon structure, a refined symmetry preserving current for electron + nucleon elastic sca…
hep-ph2025
Distribution Functions of and Baryons
Yang Yu, Peng Cheng, Hui-Yu Xing +2
Treating baryons as quark + interacting-diquark bound states, a symmetry-preserving formulation of a vectorvector contact interaction (SCI) is used to deliver an extens…