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QCD Accurately Predicts the Induced Pseudoscalar Coupling Constant

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arxiv hep-ph/9403351 v1 pith:SNJLQSB4 submitted 1994-03-24 hep-ph

V. Bernard , N. Kaiser , Ulf-G. Mei{ss}ner This is my paper · ORCID
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keywords constantcouplinginducedpseudoscalaraccurateaccuratelychiralderive
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abstract

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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  1. Nucleon relativistic weak-neutral axial-vector four-current distributions

    hep-ph 2024-11 conditional novelty 5.0 of 10

    The 3D axial charge density of a spin-1/2 hadron is parity-odd and controlled by the induced pseudotensor form factor G_T^Z, while the second-class current drops out of the mean-square axial and spin radii.

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