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Consequences of Leading-Logarithm Summation for the Radiative Breakdown of Standard-Model Electroweak Symmetry

机译:标准模型Electwoeak对称辐射分解的领导对数求和的后果

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In the empirically sensible limit in which QCD, t-quark Yukawa, and scalar-field-interaction coupling constants dominate all other Standard-Model coupling constants, we sum all leading-logarithm terms within the perturbative expansion for the effective potential that contribute to the extraction of the Higgs boson mass via radiative electroweak symmetry breaking. A Higgs boson mass of 216 GeV emerges from such terms, as well as a scalar-field-interaction coupling constant substantially larger than that anticipated from conventional spontaneous symmetry breaking. The sum of the effective potential's leading logarithms is shown to exhibit a local minimum in the limit Φ→0 if the QCD coupling constant is sufficiently strong, suggesting (in a multiphase scenario) that electroweak physics may provide the mechanism for choosing the asymptotically-free phase of QCD.
机译:在QCD,T-Quark Yukawa和标量 - 场交互耦合常数主导所有其他标准模型耦合常量的经验明智的极限中,我们将所有领导对数术语达到扰动扩展中,以实现有效的潜力通过辐射电卷积对称断裂提取HIGGS玻色子质量。 216 GeV的Higgs玻色子质量从这些术语中出现,并且标量 - 场相互作用耦合恒定大于预期的常规自发性对称断裂。如果QCD耦合常数足够强,则显示有效潜在的领先对数的总和在极限φ→0中呈现局部最小值,建议(在多相场景中),电挖电物理可以提供选择渐近无渐近的机制QCD的阶段。

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