Parity Violation in gamma proton Compton Scattering

Martin J. Savage; Paulo F. Bedaque

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arxiv nucl-th/9909055 v3 pith:XF46SEJA submitted 1999-09-20 nucl-th hep-ph

Parity Violation in gamma proton Compton Scattering

Paulo F. Bedaque , Martin J. Savage This is my paper

classification nucl-th hep-ph

keywords comptonparity-violatingscatteringgammaprotonamplitudearisingasymmetry

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A measurement of parity-violating spin-dependent gamma proton Compton scattering will provide a theoretically clean determination of the parity-violating pion-nucleon coupling constant $h_{\pi NN}^{(1)}$. We calculate the leading parity-violating amplitude arising from one-loop pion graphs in chiral perturbation theory. An asymmetry of ~5 10^{-8} is estimated for Compton scattering of 100 MeV photons.

Parity Violation in gamma proton Compton Scattering

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