Neutrino mass and nature through its mediation in atomic clock interference - INSU - Institut national des sciences de l'Univers
Article Dans Une Revue AVS Quantum Science Année : 2024

Neutrino mass and nature through its mediation in atomic clock interference

José Bernabeu
  • Fonction : Auteur
Federico Sánchez
  • Fonction : Auteur
Alejandro Segarra
  • Fonction : Auteur

Résumé

The absolute mass of neutrinos and their nature are presently unknown. Aggregate matter has a coherent weak charge leading to a repulsive interaction mediated by a neutrino pair. The virtual neutrinos are non-relativistic at micron distances, giving a distinct behavior for Dirac versus Majorana mass terms. This effective potential allows for the disentanglement of the Dirac or Majorana nature of the neutrino via magnitude and distance dependence. We propose an experiment to search for this potential based on the concept that the density-dependent interaction of an atomic probe with a material source in one arm of an atomic clock interferometer generates a differential phase. The appropriate geometry of the device is selected using the saturation of the weak potential as a guide. The proposed experiment has the added benefit of being sensitive to gravity at micron distances. A strategy to suppress the competing Casimir-Polder interaction, depending on the electronic structure of the material source, as well as a way to compensate the gravitational interaction in the two arms of the interferometer is discussed.
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insu-04858858 , version 1 (30-12-2024)

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José Bernabeu, Dylan O. Sabulsky, Federico Sánchez, Alejandro Segarra. Neutrino mass and nature through its mediation in atomic clock interference. AVS Quantum Science, 2024, 6, ⟨10.1116/5.0169613⟩. ⟨insu-04858858⟩
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