Compact Perturbative Expressions for Neutrino Oscillations in Matter: II
Peter B. Denton, Hisakazu Minakata, Stephen J. Parke
TL;DR
This paper presents simplified perturbative formulas for neutrino oscillation probabilities in matter, improving computational efficiency and accuracy for various experimental setups like T2K, NOvA, T2HKK, and DUNE.
Contribution
It introduces a more conventional notation for matter-modified neutrino parameters and demonstrates their effectiveness across multiple neutrino experiments.
Findings
Accurate approximation of oscillation probabilities in matter.
Effective for both neutrinos and anti-neutrinos.
Applicable to multiple experimental configurations.
Abstract
In this paper we rewrite the neutrino mixing angles and mass squared differences in matter given, in our original paper, in a notation that is more conventional for the reader. Replacing the usual neutrino mixing angles and mass squared differences in the expressions for the vacuum oscillation probabilities with these matter mixing angles and mass squared differences gives an excellent approximation to the oscillation probabilities in matter. Comparisons for T2K, NOvA, T2HKK and DUNE are also given for neutrinos and anti-neutrinos, disappearance and appearance channels, normal ordering and inverted ordering.
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