Meson-Exchange Currents and the Strangeness Radius of 4he
classification
⚛️ nucl-th
hep-ph
keywords
radiusstrangenesscontributionsmeson-exchangeapproximationasymmetrycomputedcontribution
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Meson-exchange current contributions to the strangeness radius of $^4$He are computed in the one-boson exchange approximation. It is found that these contributions introduce a $\lapp$10\% correction to the one-body contribution. They should not, therefore, hamper the extraction of the nucleon strangeness radius from the parity-violating electron-$^4$He asymmetry.
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