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hep-ph2026
Form factors of (1232) and the electromagnetic transition
Jiaqi Wang, Dongyan Fu, Yubing Dong
In this work, the electromagnetic and gravitational form factors of isobars, as well as the electromagnetic transition form factors are studied systematically and continu…
hep-ph2026
Generalizing the Soffer Bound: Positivity Constraints on Parton Distributions of Spin-3/2 Particles
Dongyan Fu, Yubing Dong, S. Kumano +1
We derive the complete set of positivity bounds for the leading-twist parton distribution functions (PDFs) of a spin-3/2 hadron for the first time. This work generalizes the Soffer…