2 papers
hep-ph2026
Symmetry Constraints on Pion Valence Structure
Xiaobin Wang, Lei Chang, Minghui Ding +2
The profile of the pion valence quark distribution function (DF) remains controversial. Working from the concepts of QCD effective charges and generalised parton distributions, we…
hep-ph2025
Unveiling the inner structure of the pion first excited state
Xiaobin Wang, Lei Chang
By capturing the characteristics of the Bethe-Salpeter amplitude for the pion excitation state, we construct an algebraic model to provide the overall features of the pion first ex…