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theferpectstudent theferpectstudent
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In addition to charge and baryon number, another conserved quantity in particle interactions is lepton number. The six leptons have lepton number +1, and their antiparticles have lepton number −1. The lepton numbers for each generation (electron, muon, tau) are separately conserved. For example, an electron has electron-lepton number +1, while the electron antineutrino has electron-lepton number −1. What is the missing particle X in the following decay? π+→ X + νμ



μ



μ0



π



π0



μ+

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College Physics

College Physics


Edition: 5th
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bjee231bjee231
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