3 papers
hep-ph2025
Orbital angular momentum in the pion and kaon: rest-frame and light-front
Y. -Y. Xiao, Z. -N. Xu, Z. -Q. Yao +2
Orbital angular momentum (OAM) is not a Poincaré invariant quantity; so, its value is observer dependent. Notwithstanding that, in quantum chromodynamics, a Poincaré-invariant theo…
hep-ph2025
Exclusive photoproduction of light and heavy vector mesons: thresholds to very high energies
Lin Tang, Hui-Yu Xing, Minghui Ding +1
A reaction model for , , which exposes the quark-antiquark content of the photon in making the transition , wh…
hep-ph2024
Sketching pion and proton mass distributions
Xiaobin Wang, Zanbin Xing, Lei Chang +3
A light-front holographic model is used to illustrate an algebraic scheme for constructing a representation of a hadron's zero-skewness generalised parton distribution (GPD) from i…