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(a) The most common decay mode of the Ξ− particle is Ξ− → Λ0 + π− . Using the quantum numbers in the table given above, show that strangeness changes by 1, baryon number and charge are conserved, and lepton family numbers are unaffected. (b) Is the decay K+ → μ+ + νμ allowed, given the quantum numbers in the table given above? |
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