Speaker
Description
In global analyses of nuclear parton distribution functions (nPDFs),
neutrino deep-inelastic scattering (DIS) data exhibit tensions with
the data from charged-lepton DIS. Using the nCTEQ framework, we
investigate the dependence of these tensions on the proton PDF baseline,
as well as the treatment of data correlation and normalization
uncertainties. We identify the experimental data and kinematic
regions that generate tensions, and also investigate a possibility
of managing the tensions by using uncorrelated systematic errors.
Understanding these tensions between the neutrino and charged-lepton
DIS data is essential not only for better flavor separation in
global analyses of nuclear and proton PDFs, but also for neutrino
physics and for searches for physics beyond the Standard Model.
