Abstract
The origin of Large Low-Velocity Provinces (LLVPs) at the base of mantle remains a mystery, but particle physics may be able to provide another piece of the puzzle. Using a phenomenon known as neutrino oscillation, atmospheric neutrino experiments are sensitive to the electron number density inside the Earth, which is complementary to the information seismology can provide. In order to reveal lateral heterogeneities in density and chemical composition such as those expected for LLSVPs across the Earth’s lower mantle, we have developed a numerical method that allows us to compute the sensitivity of neutrino oscillation data to 3D Earth structure. Based on this approach, we will present some preliminary assessment of the potential resolving power of ongoing and future neutrino experiments.
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