Griffiths Introduction to Elementary Particles · Problem 4.32

Bound States — David J. Griffiths

Physics — QFT · sigma-star-decay-isospin

Problem

The Σ∗0\Sigma^{*0} can decay into Σ++π−\Sigma^+ + \pi^-, Σ0+π0\Sigma^0 + \pi^0, or Σ−+π+\Sigma^- + \pi^+ (also Λ+π0\Lambda + \pi^0, but we're not concerned with that here). Suppose you observed 100 such disintegrations, how many would you expect to see of each type?

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