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arxiv: hep-ph/9910427 · v2 · pith:HOQG4T2Lnew · submitted 1999-10-21 · ✦ hep-ph

Higher Order Polarizabilities of the Proton

classification ✦ hep-ph
keywords alphabetahigherorderpolarizabilitiesprotonchiralcompared
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Compton scattering results are used to probe proton structure via measurement of higher order polarizabilities. Values for $\alpha_{E2}^p,\beta_{E2}^p,\alpha_{E\nu}^p,$ $\beta_{E\nu}^p$ determined via dispersion relations are compared to predictions based upon chiral symmetry and from the constituent quark model. Extensions to spin-polarizabilities are also discussed.

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