Small Strange Quark Content of Protons
classification
✦ hep-ph
keywords
strangebrieflychiralcontentcontributiondiscussedexperimentallattice
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The contribution of strange sea quarks to the proton mass and spin, as well as the related pion-nucleon sigma term, are briefly revisited, in the light of new experimental and lattice results. Also the predictions of chiral perturbation theory for these quantities are discussed.
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