GVMD model predictions for the low Q^2 behaviour of the spin structure function g_1(x,Q^2) and of the DHGHY integral I(Q^2)

Details GVMD model predictions for the low Q^2 behaviour of the spin structure function g_1(x,Q^2) and of the DHGHY integral I(Q^2) GVMD model predictions for the low Q^2 behaviour of the spin structure function g_1(x,Q^2) and of the DHGHY integral I(Q^2)

2002-07-26

arxiv.org/abs/hep-ph/0207325v1

Acta Phys.Polon. B33 (2002) 3701-3706

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, including 3 postscript figures; presented by B. Bade{\l}ek at 10th International Workshop on Deep Inelastic Scatterin

Scientific paper

Predictions for g_1(x,Q^2) at low Q^2 are obtained in the framework of the GVMD model. Contributions from both light and heavy vector mesons are evaluated. The DHGHY sum rule is employed to fix the magnitude of the light vector meson contribution to g_1, using the recent measurements in the region of baryonic resonances. The DHGHY moment function is calculated. Predictions are compared to the data.

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