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Can sea quark asymmetry shed light on the orbital angular momentum of the proton?
Emanuele R. Nocera, Elena Santopinto
A striking prediction of several extensions of the constituent quark model, including the unquenched quark model, the pion cloud model and the chiral quark model, is a proportional…
Pinning down the large-x gluon with NNLO top-quark pair differential distributions
Michał Czakon, Nathan P. Hartland, Alexander Mitov +2
Top-quark pair production at the LHC is directly sensitive to the gluon PDF at large x. While total cross-section data is already included in several PDF determinations, differenti…
Summary of WG6: Spin Physics
Emanuele Nocera, Silvia Pisano
The working group on Spin Physics at the XXIV International Workshop on Deep-Inelastic Scattering and Related Subjects (DIS2016) witnessed a significant progress in the theoretical…
The asymptotic behaviour of parton distributions at small and large
Richard D. Ball, Emanuele R. Nocera, Juan Rojo
It has been argued from the earliest days of quantum chromodynamics (QCD) that at asymptotically small values of the parton distribution functions (PDFs) of the proton behave a…