E and η(1425)/l Mesons

概要

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A possible solution to the puzzle in l decay is suggested in connection with a peculiar shape of KK^^- spectrum in η(1425)/l decay. The spectra observed in E decay are also studied based on the assumption that these are actually made of two distinct contributions, i.e., those from either E(1^<++>) and η(1425)/l decays or E(1^<+->) and η(1425)/l. It will be shown that only the latter case is consistent with the available data, thus reconfirming E's J^<PC>=1^<+->.
理論物理学刊行会の論文
1988-01-25