Showing hep-phShow all
2 papers · 1 filter
hep-ph2025
Relative difference between up and down quark structure of the proton
Mingzhe Xie, Siqi Yang, Wenhao Ma +3
We presen a novel determination of the down-to-up composition ratio using the forward-backward asymmetry observed in the proton-proton collisions at the LHC. This method offers uni…
hep-ph2024
Improved Hessian Method in Global Analysis of Parton Distribution Functions
Wenxiao Zhan, Siqi Yang, Minghui Liu +3
The Hessian method is widely applied in the global analysis of parton distribution functions (PDFs), which uses a set of orthogonal eigenvectors to give predictions of a physical o…