Study of the Radivative Pion Decay

Chuan-Hung Chen, Chao-Qiang Geng, Chong-Chung Lih

We study the radiative pion decay of ${\pi }^{+}\to e^{+}{\nu }_e\gamma$ in the chiral perturbation theory (ChPT) and light front quark model (LFQM). The vector and axial-vector hadronic form…