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Baryogenesis Through Mixing of Heavy Majorana Neutrinos

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arxiv hep-ph/9607310 v1 pith:EABOZ5FN submitted 1996-07-15 hep-ph

classification hep-ph
keywords asymmetrymajorananeutrinosheavyleptonmechanismmixinganti-leptons
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

A mechanism is presented, in which the mixing of right handed heavy Majorana neutrinos creates a $CP-$asymmetric universe. When these Majorana neutrinos subsequently decay more leptons than anti-leptons are produced. The lepton asymmetry created by this new mechanism can exceed by a few orders of magnitude any lepton asymmetry originating from direct decays. The asymmetry is finally converted into a baryon asymmetry during the electroweak phase transition.

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Forward citations

Cited by 5 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Exploring Leptogenesis in the Era of First Order Electroweak Phase Transition

    hep-ph 2025-04 unverdicted novelty 6.0 of 10

    Low-scale leptogenesis becomes viable in the neutrino seesaw framework when a first-order electroweak phase transition allows sphalerons to convert lepton asymmetry into baryon asymmetry at temperatures below the Stan...

  2. A Non-Holomorphic Modular $A_4$ Framework for Resonant Leptogenesis with Gravitational Wave Signatures

    hep-ph 2026-07 conditional novelty 5.0 of 10

    A non-holomorphic modular A4 seesaw model yields quasi-degenerate right-handed neutrinos, enabling resonant leptogenesis at ~10^6 GeV and a double-peaked gravitational-wave signature.

  3. Analytic formulation of Leptogenesis with neutrino oscillation data employing the general parametrization for neutrino mass matrix

    hep-ph 2025-06 conditional novelty 5.0 of 10

    Analytic CP asymmetry formulas from the Casas-Ibarra parametrization give minimum right-handed neutrino masses for successful leptogenesis, down to about 132 GeV with a neutrinophilic Higgs doublet and non-thermal production.

  4. Leptonic CP asymmetry and heavy neutrino searches in seesaw scenario

    hep-ph 2026-06 unverdicted novelty 4.0 of 10

    Projects LHC and HL-LHC sensitivities to heavy neutrino mixing via dilepton channels in seesaw scenario, with dependence on R_ll and CP asymmetry.

  5. Probing TeV-Scale Inverse-Seesaw Leptogenesis and Majorana Dark Matter in $U(1)_{B-L}$ Models at Multi-TeV Muon Colliders

    hep-ph 2026-06 unverdicted novelty 4.0 of 10

    Inverse-seesaw U(1)_{B-L} model correlates leptogenesis, Majorana DM relic density, and neutrino masses with collider signatures in dilepton and single-lepton channels.

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