Effects of the violation of the equivalence principle at DUNE
Hoefken Zink, Jaime
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A number of di erent e ects of the violation of the Equivalence Principle (VEP), taken as sub-leading mechanism of neutrino avor oscillation, are examined within the framework of the DUNE experiment. We study the possibility of obtaining a misleading neutrino oscillation parameter region caused by our unawareness of VEP. Additionally, we evaluate the impact on the measurement of CP violation and the distinction of neutrino mass hierarchy at DUNE. Besides, limits on VEP for a wide variety of textures of the matrix that connects neutrino gravity eigenstates to avor eigenstates are imposed. An extra-task of our study is to set limits on Hamiltonian added terms considering di erent energy dependencies (En, with n = 0; 1; 2; 3) that can be associated to the usual Lorentz violating terms de ned in the Standard Model Extension Hamiltonian. In order to understand our results, approximated analytical three neutrino oscillation probability formulae are derived.