pion138pion, muon, neutrino A pion (mπ = 273 me) at rest decays into a muon (mμ = 207 me) and a neutrino (mν = 0).Find the kinetic energy and momentum of the muon and the neutrino inPION 138 !! Lagi manjain new member om buruan di jamin profit, Polanya inbox