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Sommerfeld corrections to type-II and III leptogenesis

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arxiv 0806.1630 v2 pith:USOB2I3B submitted 2008-06-10 hep-ph

Alessandro Strumia This is my paper · ORCID
classification hep-ph
keywords leptogenesiscorrectionssommerfeldtripletstype-iiasymmetrybaryonbeyond
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We study thermal leptogenesis from decays of the electroweak triplets that mediate neutrino masses in type-II and type-III see-saw. We find that Sommerfeld corrections reduce the baryon asymmetry by ~30%, and that successful leptogenesis needs triplets heavier than 1.6 TeV, beyond the discovery reach of LHC.

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Cited by 2 Pith papers

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

  1. Particle production from bubble collisions

    hep-ph 2026-07 conditional novelty 8.0 of 10

    Heavy particles are produced in bubble-wall collisions by on-shell partonic scatterings, not by off-shell decay of the classical field, so the earlier rates and their phenomenological signals are parametrically overestimated.

  2. Thermal Leptogenesis in the BNT Model of Neutrino Mass

    hep-ph 2026-08 conditional novelty 6.0 of 10

    In the BNT neutrino-mass model, thermal leptogenesis can explain the observed baryon asymmetry with triplet masses above roughly 3.5e7 GeV in the hierarchical case and as low as 1.7 TeV with resonant enhancement.

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