论文标题

希格斯玻色子耦合作为sphaleron属性的探针

Higgs boson coupling as a probe of the sphaleron property

论文作者

Kanemura, Shinya, Tanaka, Masanori

论文摘要

Sphaleron是电子仪表理论的一种非扰动解,这对于电动性男性生成的情况至关重要。 SPHALERON的能量取决于电动对称性破坏机制的细节。我们发现,在许多新物理学模型中,Sphaleron能量与标准模型中预测的偏差与三重希格斯玻色子耦合的偏差成正比。这种有趣的关系对于通过在未来的对撞机实验中测量该耦合来确定SPHALERON能量很有用。

Sphaleron is a non-perturbative solution of electroweak gauge theories, which is crucially important for the scenario of electroweak baryogenesis. The sphaleron energy depends on details of the mechanism for the electroweak symmetry breaking. We find that in many of new physics models the deviation of the sphaleron energy from the prediction in the standard model is proportional to that of the triple Higgs boson coupling with opposite signs. This interesting relation would be useful to determine the sphaleron energy by measuring this couplings at future collider experiments.

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