QCD Accurately Predicts the Induced Pseudoscalar Coupling Constant
classification
✦ hep-ph
keywords
constantcouplinginducedpseudoscalaraccurateaccuratelychiralderive
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Using chiral Ward identities of QCD, we derive a relation for the induced pseudoscalar coupling constant which is accurate within a few percent, $g_P = 8.44 \pm 0.16$.
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