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hep-ph2026
Evidence for quark+quark pairing in proton formation
Hui-Yu Xing, Dan-Dan Cheng, Craig D. Roberts +1
The question of pairing between quarks inside baryons is addressed by calculating the fragmentation functions that describe production of nucleons (protons and neutrons) in high-en…
hep-ph2024
Pion Boer-Mulders function using a contact interaction
Dan-Dan Cheng, Zhu-Fang Cui, Minghui Ding +2
A symmetry preserving treatment of a vector vector contact interaction (SCI) is used as the basis for calculations of the two pion transverse momentum dependent parton di…