The Drell-Hearn-Gerasimov Sum-Rule in QCD
High Energy Physics - Phenomenology
2014-11-17 v2
Abstract
Photoproduction spin sum-rules offer a new window on the spin structure of the nucleon that complements the information we can learn from polarised deep inelastic scattering experiments. We review the theory and present status of the Drell-Hearn-Gerasimov sum-rule in QCD, emphasising the possible relation between the present ``discrepancy'' in this sum-rule and the nucleon's strangeness magnetic moment. In the case of an elementary electron or photon target (say at the NLC) the Drell-Hearn-Gerasimov sum-rule provides a test for physics beyond the minimal Standard Model.
Cite
@article{arxiv.hep-ph/9703254,
title = {The Drell-Hearn-Gerasimov Sum-Rule in QCD},
author = {S. D. Bass},
journal= {arXiv preprint arXiv:hep-ph/9703254},
year = {2014}
}
Comments
19 pages, LaTeX, no figures; various typos fixed; to appear in Mod. Phys. Letts. A