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Nucleon decay search with DUNE

Grand Unification and Supersymmetry are appealing theories that offer solutions to important problems of modern physics. A key prediction of both theories is the decay of protons and bound neutrons, for which no evidence has been found yet. The dominant proton decay mode in favored supersymmetric theories is p→ ν̄K and the predicted lifetimes range between 1032 − 1035 years. In this report, a sensitivity study for p → ν̄K is presented for the Deep Underground Neutrino Experiment (DUNE). At an exposure of 400 kiloton · years, DUNE will be able to constrain the proton lifetime to τ/Br (p→ ν̄K+) > 1.3× 1034 years at 90 % confidence level if no proton decay is observed.