We propose a simple classical electrodynamics model in which a Lorentz pseudoscalar field and a Dirac field are present in the general Lagrangian of the system. The model is constructed by allowing explicit violation of chiral symmetry. This approach is intended to predict possible electromagnetic decays of the neutral pion in effective terms.

中文翻译：

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关于中性π介子的电磁衰变的评论

我们提出了一个简单的经典电动力学模型，其中洛伦兹伪标量场和狄拉克场存在于系统的一般拉格朗日中。该模型是通过允许显式违反手性对称性来构建的。这种方法旨在有效地预测中性介子可能的电磁衰减。