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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…
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…
Transversity Generalized Parton Distributions of with the Diquark Spectator Model
Dongyan Fu, Yubing Dong, S. Kumano
We show quark transversity generalized parton pistributions (GPDs) of isobar by using the diquark spectator model for the first time. First, this model is tested by electric…
Electromagnetic form factors of with the meson cloud in the spacelike and timelike regions
Dongyan Fu, Ju-Jun Xie, Yubing Dong
We present comprehensive calculations of the electromagnetic form factors, including the charge, magnetic-dipole, electric-quadrupole and magnetic-octupole form factors, of the $Ω^…
A systematical study of the nucleon form factors with the pion cloud effect
Jiaqi Wang, Dongyan Fu, Yubing Dong
The electromagnetic and gravitational form factors of the nucleon are studied simultaneously using a covariant quark-diquark approach, and the pion cloud effect on the form factors…
Transversity generalized parton distributions in spin-3/2 particles
Dongyan Fu, Yubing Dong, S. Kumano
The definitions of the quark and gluon transversity generalized parton distributions (GPDs) in spin-3/2 particles are obtained in the light-cone gauge. It is found that they contai…
Form factors of decuplet baryons in a covariant quark-diquark approach
JiaQi Wang, Dongyan Fu, Yubing Dong
The electromagnetic and gravitational form factors of decuplet baryons are systematically studied with a covariant quark-diquark approach. The model parameters are firstly discusse…