3 papers
hep-ph2026
Probing Composite Structure and Spin-Orbit Coupling with GPDs in He
Antonio Garcia Vallejo, Matthew D. Sievert
In this work, we extend the Impulse Approximation for the generalized parton distributions (GPDs) of a spin-0 composite hadron with spin- constituents to manifestly i…
hep-ph2025
First study of polarized proton-proton scattering with small- helicity evolution
Daniel Adamiak, Nicholas Baldonado, Yuri V. Kovchegov +7
We perform a phenomenological study of helicity-dependent parton distribution functions (PDFs) using small- helicity evolution equations, incorporating for the first time single…
nucl-th2025
Signatures of Jet Drift in QGP Hard Probe Observables
Joseph Bahder, Hasan Rahman, Matthew D. Sievert +1
Hard probe tomography of the quark-gluon plasma (QGP) in heavy ion collisions has long been a preeminent goal of the high-energy nuclear physics program. In service of this goal, t…