Paradoxes of neutrino oscillations |
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Authors: | E Kh Akhmedov and A Yu Smirnov |
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Institution: | (1) Max-Planck-Institut für Kernphysik, Heidelberg, Germany;(2) Russian Research Centre “Kurchatov Institute,”, Moscow, Russia;(3) The Abdus Salam International Centre for Theoretical Physics, Trieste, Italy;(4) Institute for Nuclear Research, Russian Academy of Sciences, Moscow, Russia |
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Abstract: | Despite the theory of neutrino oscillations being rather old, some of its basic issues are still being debated in the literature.
We discuss a number of such issues, including the relevance of the “same energy” and “same momentum” assumptions, the role
of quantum-mechanical uncertainty relations in neutrino oscillations, the dependence of the coherence and localization conditions
that ensure the observability of neutrino oscillations on neutrino energy and momentum uncertainties, the question of (in)dependence
of the oscillation probabilities on the neutrino production and detection processes, and the applicability limits of the stationary-source
approximation. We also develop a novel approach to calculation of the oscillation probability in the wave-packet approach,
based on the summation/integration conventions different from the standard one, which allows a new insight into the “same
energy” vs. “same momentum” problem. We also discuss a number of apparently paradoxical features of the theory of neutrino
oscillations.
The text was submitted by the authors in English. |
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