Neutrino Propagation in Matter

We describe the effects of neutrino propagation in the matter of the Earth relevant to experiments with atmospheric and accelerator neutrinos and aimed at the determination of the neutrino mass hierarchy and CP violation. These include (i) the resonance enhancement of neutrino oscillations in matter...

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Main Authors: Mattias Blennow, Alexei Yu. Smirnov
Format: Article
Language:English
Published: Wiley 2013-01-01
Series:Advances in High Energy Physics
Online Access:http://dx.doi.org/10.1155/2013/972485
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author Mattias Blennow
Alexei Yu. Smirnov
author_facet Mattias Blennow
Alexei Yu. Smirnov
author_sort Mattias Blennow
collection DOAJ
description We describe the effects of neutrino propagation in the matter of the Earth relevant to experiments with atmospheric and accelerator neutrinos and aimed at the determination of the neutrino mass hierarchy and CP violation. These include (i) the resonance enhancement of neutrino oscillations in matter with constant or nearly constant density, (ii) adiabatic conversion in matter with slowly changing density, (iii) parametric enhancement of oscillations in a multilayer medium, and (iv) oscillations in thin layers of matter. We present the results of semianalytic descriptions of flavor transitions for the cases of small density perturbations, in the limit of large densities and for small density widths. Neutrino oscillograms of the Earth and their structure after determination of the 1–3 mixing are described. A possibility to identify the neutrino mass hierarchy with the atmospheric neutrinos and multimegaton scale detectors having low energy thresholds is explored. The potential of future accelerator experiments to establish the hierarchy is outlined.
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series Advances in High Energy Physics
spelling doaj-art-9773c18b3e6d4de7b4e6219e521919d12025-02-03T06:07:14ZengWileyAdvances in High Energy Physics1687-73571687-73652013-01-01201310.1155/2013/972485972485Neutrino Propagation in MatterMattias Blennow0Alexei Yu. Smirnov1Division of Particle and Astroparticle Physics, Max-Planck-Institut für Kernphysik, Saupfercheckweg 1, 69117 Heidelberg, GermanyHigh Energy, Cosmology and Astroparticle Physics Section, The Abdus Salam International Centre for Theoretical Physics, 34100 Trieste, ItalyWe describe the effects of neutrino propagation in the matter of the Earth relevant to experiments with atmospheric and accelerator neutrinos and aimed at the determination of the neutrino mass hierarchy and CP violation. These include (i) the resonance enhancement of neutrino oscillations in matter with constant or nearly constant density, (ii) adiabatic conversion in matter with slowly changing density, (iii) parametric enhancement of oscillations in a multilayer medium, and (iv) oscillations in thin layers of matter. We present the results of semianalytic descriptions of flavor transitions for the cases of small density perturbations, in the limit of large densities and for small density widths. Neutrino oscillograms of the Earth and their structure after determination of the 1–3 mixing are described. A possibility to identify the neutrino mass hierarchy with the atmospheric neutrinos and multimegaton scale detectors having low energy thresholds is explored. The potential of future accelerator experiments to establish the hierarchy is outlined.http://dx.doi.org/10.1155/2013/972485
spellingShingle Mattias Blennow
Alexei Yu. Smirnov
Neutrino Propagation in Matter
Advances in High Energy Physics
title Neutrino Propagation in Matter
title_full Neutrino Propagation in Matter
title_fullStr Neutrino Propagation in Matter
title_full_unstemmed Neutrino Propagation in Matter
title_short Neutrino Propagation in Matter
title_sort neutrino propagation in matter
url http://dx.doi.org/10.1155/2013/972485
work_keys_str_mv AT mattiasblennow neutrinopropagationinmatter
AT alexeiyusmirnov neutrinopropagationinmatter