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<p>The electroweak sphaleron rate in the high temperature phase of the Standard Model is inversely proportional to the weak-isospin conductivity. So far, only electroweak interactions were included in its computation. Here we take into account quark scattering through strong interactions at leading-log order. These reduce the quark contribution to the conductivity by up to 15%, and the total conductivity by up to 6%.</p>

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QCD corrections to the electroweak sphaleron rate

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2026年5月5日

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  • Dietrich Bödeker,
  • Philipp Klose

摘要

The electroweak sphaleron rate in the high temperature phase of the Standard Model is inversely proportional to the weak-isospin conductivity. So far, only electroweak interactions were included in its computation. Here we take into account quark scattering through strong interactions at leading-log order. These reduce the quark contribution to the conductivity by up to 15%, and the total conductivity by up to 6%.