5. Pion beams (*) are used to treat cancer in radiation therapy. The energy comes from the decay of the pions. Negative pions usually decay into a muon and a muon antineutrino. (a) (b) Write out the complete decay of a л into stable particles. How much energy is released from a complete decay? Assume the neutrino masses are negligible. (c) How many pions need to decay to give a dose of 50.0 Gy to 10.0 grams of tissue?
5. Pion beams (*) are used to treat cancer in radiation therapy. The energy comes from the decay of the pions. Negative pions usually decay into a muon and a muon antineutrino. (a) (b) Write out the complete decay of a л into stable particles. How much energy is released from a complete decay? Assume the neutrino masses are negligible. (c) How many pions need to decay to give a dose of 50.0 Gy to 10.0 grams of tissue?
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Transcribed Image Text:5.
Pion beams (*) are used to treat cancer in radiation therapy. The energy comes from the
decay of the pions. Negative pions usually decay into a muon and a muon antineutrino.
(a)
(b)
Write out the complete decay of a л into stable particles.
How much energy is released from a complete decay? Assume the neutrino masses are
negligible.
(c)
How many pions need to decay to give a dose of 50.0 Gy to 10.0 grams of tissue?
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