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April 12, 20260 citationsOpen Access

NLO Baryon Asymmetry: Closing the Last Numerical Gap

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LMLuke Martin

Key Points

  • The aim is to derive the next-to-leading-order correction to the UFFT baryon asymmetry formula.
  • Derived the next-to-leading-order correction to an existing formula.
  • Analyzed 220 independent topological channels affecting baryon asymmetry.
  • Calculated results related to the electroweak bubble wall.”
  • The leading-order result was 1.8% below the observed value.
  • The NLO correction results in a baryon asymmetry of 6.109×10⁻¹⁰, narrowing the gap.
  • The new calculation is within 0.09σ of the Planck 2018 results.

Abstract

Derives the next-to-leading-order correction to the UFFT baryon asymmetry formula. The LO result η = α³/648 = 5.997×10⁻¹⁰ lay 1.8% below observation. The NLO correction from (V−F)(E−F) = 220 independent topological channels at the electroweak bubble wall gives η = α³/648 × (1+√17/220) = 6.109×10⁻¹⁰, 0.09σ from Planck 2018. Zero free parameters. This closes the last genuinely open numerical gap in the framework.

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Cite This Study

Luke Martin (2026) studied this question.

synapsesocial.com/papers/69db383b4fe01fead37c681ehttps://doi.org/10.5281/zenodo.19491332
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