All Problems

Elementary Particles

Problem 6.297

A stationary positive muon disintegrated into a positron and two neutrinos. Find the greatest possible kinetic energy of the positron.

Reveal Answer
Tmax⁡=(mμ−me)2/2mμ=52.5MeVT_{\max }=\left(m_{\mu}-m_{e}\right)^{2} / 2 m_{\mu}=52.5 \mathrm{MeV}
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