Two-pion transitions from the P-wave to S-wave charmonium states
classification
✦ hep-ph
keywords
wavetwo-pioncharmoniumtransitionsarticledecaydecayseffective
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In this article, we study the two-pion decays in the $P$-wave to $S$-wave charmonium transitions with the heavy meson effective theory, and make qualitative predictions for the ratios among the two-pion decay widths.
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