Determine whether the following decay for the charged pion π+\pi^+π+ is possible:
π+→e++νμ \pi^+ \to \text{e}^+ + \nu_\mu π+→e++νμState the quark configurations of the neutral kaon K0\text{K}^0K0 and the anti-kaon Kˉ0\bar{\text{K}}^0Kˉ0.
A student suggests that both the neutral pion π0\pi^0π0 and the neutral kaon K0\text{K}^0K0 are their own antiparticles.
Discuss whether this suggestion is correct, referencing their quark configurations or other physical properties.