Consider the strong processes K̅ K →π^+ π^-(where K̅ K means both K^+ K^- and K̅^0 K^0 ). (1) Wh

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Step 1: Understand the particles involved and their properties.
- The $K^+$ and $K^-$ mesons are

Consider the strong processes $\bar{K} K \rightarrow \pi^{+} \pi^{-}$(where $\bar{K} K$ means both $K^{+} K^{-}$ and $\bar{K}^0 K^0$ ). (1) What are the possible angular momentum values if the initial total isospin is $I=0$ ? (2) What are they if $I=1$ ?