# Induced pseudoscalar coupling of the proton weak interaction

@article{Gorringe2003InducedPC, title={Induced pseudoscalar coupling of the proton weak interaction}, author={T. P. Gorringe and Harold W. Fearing}, journal={Reviews of Modern Physics}, year={2003}, volume={76}, pages={31-91} }

The induced pseudoscalar coupling ${g}_{p}$ is the least well known of the weak couplings of the proton's charged-current interaction. Its size is dictated by chiral symmetry arguments, and its measurement represents an important test of quantum chromodynamics at low energies. Experiments over the past decade have produced a large body of new data relevant to the coupling ${g}_{p}.$ These data include measurements of radiative and nonradiative muon capture on targets ranging from hydrogen and…

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