B) How much energy is released from the complete decay of a single meson to stab

Question

B) How much energy is released from the complete decay of a single meson to stable particles? (You can ignore the very small masses of the neutrinos.) ANSWER : 139 MeV

C) How many mesons need to decay to give a dose of 60.0 to 17.0 of tissue?

D) What would be the equivalent dose in part C in ? Consult the table

Radiation RBE
X rays and gamma rays 1 Electrons 1 Protons 5 Alpha particles 5 Heavy ions 20 Slow neutrons 5-20

and use the largest appropriate for the particles involved in this decay
E) What would be the equivalent dose in part C in ?

Explanation / Answer

just subtract the mass of the electron from the mass of the charged pion.

139.6 MeV - .55 MeV = 139.0 MeV

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