Measurement of the Slope Parameter $\alpha$ for the $\eta \to 3{\pi }^0$ decay with the Crystal Ball detector at the Mainz Microtron (MAMI-C)

S. Prakhov, B. M. K. Nefkens, P. Aguar-Bartolome +68

The dynamics of the $\eta \to 3{\pi }^0$ decay have been studied with the Crystal Ball multiphoton spectrometer and the TAPS calorimeter. Bremsstrahlung photons produced by the 1.5-GeV elec…