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Boyero Garcia, R., Carpentier, A. V., Gomez-Cadenas, J. J., & Peralta Conde, A. (2016). A novel technique to achieve atomic macro-coherence as a tool to determine the nature of neutrinos. Appl. Phys. B, 122(10), 262–13pp.
Abstract: The photon spectrum in macro-coherent 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 intriguing possibility, presenting an alternative method for inducing large coherence in a target based on adiabatic techniques. More concretely, we propose the use of a modified version of coherent population return (CPR), namely two-photon CPR, that turns out to be extremely robust with respect to the experimental parameters and capable of inducing a coherence close to 100 % in the target.
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