An absolute $\nu$ mass measurement with the DUNE experiment

Abstract

Time of flight delay in the supernova neutrino signal offers a unique tool to set model-independent constraints on the absolute neutrino mass. The presence of a sharp time structure during a first emission phase, the so-called neutronization burst in the electron neutrino flavor time distribution, makes this channel a very powerful one. Large liquid argon underground detectors will provide precision measurements of the time dependence of the electron neutrino fluxes. We derive here a new $\nu$ mass sensitivity attainable at the future DUNE far detector from a future supernova collapse in our galactic neighborhood, finding a sub-eV reach under favorable scenarios. These values are competitive with those expected for laboratory direct neutrino mass searches.

5 pages, 3 figures. Version accepted for publication in Phys. Rev. Lett

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• Individual Neutrino Masses From a Supernova
• Cosmological neutrino N-body simulations of dark matter halo
• Prospects for Neutrino Observation and Mass Measurement from Binary Neutron Star Mergers
• Neutrino Oscillations in the Three Flavor Paradigm