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Determination of the direction to a source of antineutrinos via inverse beta decay in Double Chooz

  • The International Workshop on Prospects of Particle Physics: “Neutrino Physics and Astrophysics” February 1–Ferbuary 8, 2015, Valday, Russia
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Abstract

To determine the direction to a source of neutrinos (and antineutrinos) is an important problem for the physics of supernovae and of the Earth. The direction to a source of antineutrinos can be estimated through the reaction of inverse beta decay. We show that the reactor neutrino experiment Double Chooz has unique capabilities to study antineutrino signal from point-like sources. Contemporary experimental data on antineutrino directionality is given. A rigorous mathematical approach for neutrino direction studies has been developed. Exact expressions for the precision of the simple mean estimator of neutrinos’ direction for normal and exponential distributions for a finite sample and for the limiting case of many events have been obtained.

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Authors and Affiliations

  1. Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia

    Ya. Nikitenko

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  1. Ya. Nikitenko
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Correspondence to Ya. Nikitenko.

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Talk on behalf of the Double Chooz collaboration at the International Workshop on Prospects of Particle Physics “Neutrino Physics and Astrophysics”, February 5, 2015, Valday, Russia.

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Nikitenko, Y. Determination of the direction to a source of antineutrinos via inverse beta decay in Double Chooz. Phys. Part. Nuclei 47, 1009–1013 (2016). https://doi.org/10.1134/S1063779616060186

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  • DOI: https://doi.org/10.1134/S1063779616060186

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