Small Strange Quark Content of Protons

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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.
5 pages, plain LaTeX

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High Energy Physics - Phenomenology

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http://salesiana.dossiersoluciones.com/handle/123456789/116220

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-ph/0609024
 http://arxiv.org/abs/hep-ph/0609024

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arXiv