The K0 meson can decay to two pions K0 The rest energies of the particles are K0 497 7 MeV, 139 6 MeV If the K0 is at rest before it decays, what are the kinetic energies of the and the after the decay

Question: The K0 meson can decay to two pions: K0 + + . The rest energies of the particles are: K0 = 497.7 MeV, +

The K0 meson can decay to two pions: K0 → π+ + π−. The rest energies of the particles are: K0 = 497.7 MeV, π+ = π− = 139.6 MeV. If the K0 is at rest before it decays, what are the kinetic energies of the π+ and the π− after the decay?

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