386LETTERS TO THE EDITOR three T mesons. Such transitions are strictly forbidden because of a generalized Furry theorem, if we neglect electromagnetic interactions and assume as is customary that Hs is invariant with respect to C and to rotation in isotopic spin space. 4 This forbiddenness breaks down in the presence of electromagnetic interactions, but the effect on the branching ratios would be extremely small. From these arguments, however, it could not be concluded that the distribution of the three-7r mode into r and r' would be the same for K + and K~. Finally, equal spectra of the r + and r~ decay could not be predicted from TCP alone since Hs certainly will lead to a scattering of three ir mesons.
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