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Conditions for statistical determination of the neutrino mass spectrum in radiative emission of neutrino pairs in atoms

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The photon spectrum in macrocoherent atomic deexcitation via radiative emission of neutrino pairs has been proposed as a sensitive probe of the neutrino mass spectrum, capable of competing with conventional neutrino experiments. In this paper we revisit this interesting proposal in order to quantify the requirements for statistical determination of some of the properties of the neutrino spectrum, in particular, the neutrino mass scale and the mass ordering. Our results are shown as the product of the experimental lifetime, the target volume, and the number density of atoms which have to be set in a coherence state with a given electric field in the target, needed for determination of these properties with a given confidence level.

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Articles publicats en revistes (Física Quàntica i Astrofísica)

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Conditions for statistical determination of the neutrino mass spectrum in radiative emission of neutrino pairs in atoms