Ratios of Transition Rates
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Explain how using isospin invariance one can compute the ratio of some decay rates of the Kaons.
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A detailed explanation is given regarding ratios of transition rates.
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The K* particles form the multiplet K*^++, K*^+, K*^0, and K*^-, they have the I3 components of 3/2, 1/2,-1/2 and -3/2, respectively. The pion multiplet (isospin 1) consists of the pi^+, pi^0 and pi^- with I3 components of 1, 0 and -1, respectively. The K-meson multiplet (isospin 1/2), consists of K^+ and K^0 with I3 components of 1/2 and -1/2, respectively.
I3 is conserved, therefore K*^++ can ...
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