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Extrinsic CPT Violation in Neutrino Oscillations in Matter

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arxiv hep-ph/0305064 v3 pith:7EIFGGOX submitted 2003-05-07 hep-ph

classification hep-ph
keywords matterneutrinooscillationsviolationdensityextrinsicbaselineeffects
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We investigate matter-induced (or extrinsic) CPT violation effects in neutrino oscillations in matter. Especially, we present approximate analytical formulas for the CPT-violating probability differences for three flavor neutrino oscillations in matter with an arbitrary matter density profile. Note that we assume that the CPT invariance theorem holds, which means that the CPT violation effects arise entirely because of the presence of matter. As special cases of matter density profiles, we consider constant and step-function matter density profiles, which are relevant for neutrino oscillation physics in accelerator and reactor long baseline experiments as well as neutrino factories. Finally, the implications of extrinsic CPT violation on neutrino oscillations in matter for several past, present, and future long baseline experiments are estimated.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. On T-Invariance Violation in Neutrino Oscillations and Matter Effects

    hep-ph 2024-12 accept novelty 4.0 of 10

    Matter-induced T-invariance violation in neutrino oscillations requires an asymmetric matter potential along the neutrino path, and for Earth-bound experiments the effect is numerically tiny.

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