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hep-ph2024
Small- Asymptotics of the Leading-Twist Flavor Singlet Quark TMDs
M. Gabriel Santiago, Daniel Adamiak, Yossathorn Tawabutr
In this paper, we investigate the small- behavior of the flavor-singlet, leading-twist quark Transverse Momentum Dependent parton distribution functions (TMDs) using the Light-C…
hep-ph2024
Contribution to the Proton Spin Puzzle from Helicity at small Bjorken
Yossathorn Tawabutr
The contribution to proton helicity from the spins of quarks and gluons at small Bjorken can be conveniently studied through the small- helicity evolution. Recently, it has…
hep-ph2024
Polarized Dipole Scattering Amplitudes meet the Valence Quark Model
Adrian Dumitru, Heikki Mäntysaari, Yossathorn Tawabutr
The recently revised small- helicity evolution, resumming the double-logarithmic factor, , allows for the study of helicity distributions of quarks and gluons at…