What would be the third particle?

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Chapter 44, Problem 45AP

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What would be the third particle?

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A Λ0 particle at rest decays into a proton and a π- meson. (a) Use the data as shown to find the Q value for this decay in MeV. (b) What is the total kinetic energy shared by the proton and the π- meson after the decay? (c) What is the total momentum shared by the proton and the π- meson? (d) The proton and the π- meson have momenta with the same magnitude after the decay. Do they have equal kinetic energies? Explain.

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