Speaker
Description
The neutrino flux for accelerator-based neutrino experiments originates from the decay of mesons, which are produced via hadron-nucleus interactions in extended targets. Since the cross sections of hadronic processes are not well known, neutrino flux uncertainties are typically
a leading uncertainty in present day measurements of neutrino oscillation parameters with these experiments. However, the flux uncertainties can be significantly constrained with precise measurements of the hadronic production processes occurring in the production of neutrino beams. The
NA61/SHINE experiment at the CERN SPS has a dedicated program to precisely measure these processes; the T2K experiment has already incorporated previous NA61/SHINE measurements for a substantial flux uncertainty reduction. This talk will review the NA61/SHINE experiment, including
the newest, ongoing, and future measurements of charged hadrons with thin and replica targets important for the Fermilab and J-PARC neutrino programs.
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