5. Consider the reaction e¯ +pt → n+ +K¯ The mass of the electron (e¯) is 0.51 MeV/c², the mass of the rho (pt) is 775 MeV/c², the mass of the pion (7+) is 140 MeV/c², and the mass of the Kaon (K) is 494 MeV/c2. Suppose this reaction occurs in a frame of reference where the rho is at rest, and the electron is moving with a momentum of 41 keV/c. What are the out-going momenta of the pion and the Kaon as a result of this reaction?
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