The Gerasimov-Drell-Hearn Sum Rule and Current Algebras
classification
✦ hep-ph
keywords
currentgerasimov-drell-hearnalgebraalgebrasavailablebrieflycomparecurrently
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The status of the Gerasimov-Drell-Hearn sum rules for polarized inclusive photo-production on nucleons is reviewed. It is shown that results from currently available data compare favorably with an estimate based on an extended current algebra. Implications for integrals of spin-dependent structure functions are also briefly discussed.
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