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<p>The dark matter problem, together with the discovery of neutrino masses from the observation of the oscillation phenomenon, represents one of the most important open questions in particle physics. A concurrent solution arises when one of the right-handed neutrinos, necessary for the generation of light neutrino masses, is the dark matter candidate. In this letter, we study the generation of such a dark matter candidate relying solely on the presence of neutrino mixing. This tightly links the generation of dark matter with searches in laboratory experiments on top of the usual indirect dark matter probes. We find that the regions of parameter space producing the observed dark matter abundance can be probed with electroweak precision observables, charged lepton flavor violation searches, as well as, collider searches when the mass of the heavy neutrino lies at the TeV scale.</p>

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Testable dark matter solution within the seesaw mechanism

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年9月17日

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  • Asmaa Abada,
  • Giorgio Arcadi,
  • Michele Lucente,
  • Salvador Rosauro-Alcaraz

摘要

The dark matter problem, together with the discovery of neutrino masses from the observation of the oscillation phenomenon, represents one of the most important open questions in particle physics. A concurrent solution arises when one of the right-handed neutrinos, necessary for the generation of light neutrino masses, is the dark matter candidate. In this letter, we study the generation of such a dark matter candidate relying solely on the presence of neutrino mixing. This tightly links the generation of dark matter with searches in laboratory experiments on top of the usual indirect dark matter probes. We find that the regions of parameter space producing the observed dark matter abundance can be probed with electroweak precision observables, charged lepton flavor violation searches, as well as, collider searches when the mass of the heavy neutrino lies at the TeV scale.