Speaker
Description
Next generation neutrino oscillation experiments are transitioning from discovery to an era of precision. With this change, precise cross sections are a necessity to maximize the potential physics reach of these experiments. The nucleon axial form factor is a vital ingredient in the nucleon amplitudes used to predict quasielastic scattering, the primary signal measurement process for DUNE, yet the form factor uncertainty is constrained to 10% at best by neutrino scattering data with elementary targets. In the absence of new data on small nuclear targets, lattice QCD has the ability to compute, from first principles, the interaction of a nucleon with a weak current in the absence of a nuclear medium. In this talk, I will show the significant tension between the axial form factor obtained from elementary target data and LQCD calculations, and the implications of the form factor changes for T2K and DUNE. I will also discuss preliminary results for the Callat collaboration's calculation of the axial form factor of the nucleon.
