Hanohano: Hawaiian antineutrino observatory

Design studies are underway for the deep ocean antineutrino observatory Hanohano. The 10 kton monolitic underwater detector will be able to make precision measurement of neutrino mixing parameters (including θ13 and neutrino mass hierarchy) if stationed around 60 km offshore, from the nuclear reacto...

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Bibliographic Details
Published in:Journal of physics. Conference series 2010-01, Vol.203 (1), p.012137
Main Author: Maricic, Jelena
Format: Article
Language:English
Subjects:
Antineutrinos
Earth core
Earth mantle
Geophysics
Heat transmission
Heterogeneity
Neutrinos
Nuclear reactors
Observatories
Physics
Radioactive decay
Thorium
Underwater detectors
Uranium
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Summary:Design studies are underway for the deep ocean antineutrino observatory Hanohano. The 10 kton monolitic underwater detector will be able to make precision measurement of neutrino mixing parameters (including θ13 and neutrino mass hierarchy) if stationed around 60 km offshore, from the nuclear reactor. Hanohano will be a mobile detector and placing it in a mid-Pacific location will provide the first ever flux measurement of geoneutrinos (antineutrinos emitted in the radioactive decay series of uranium and thorium), coming from the Earth's mantle and perform a sensitivity search for a hypothetical natural fission reactor in the Earth's core. Additional deployment at a different mid-ocean location will lead to tests of lateral heterogeneity of uranium and thorium in the Earth's mantle. These measurements would provide an important insight into deep-Earth geophysics, mantle composition and understanding of the Earth's heat flow and sources of energy inside the Earth.
ISSN:1742-6596
1742-6588
1742-6596
DOI:10.1088/1742-6596/203/1/012137