Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1998-10-26
Phys.Rev. D59 (1999) 094021
Physics
High Energy Physics
High Energy Physics - Phenomenology
22 pages LATEX including 5 postscript figures, replaced with 2 new figures
Scientific paper
10.1103/PhysRevD.59.094021
The spin structure functions g1 and g2 have been calculated in the resonance region and for small and intermediate momentum transfer. The calculation is based on a gauge-invariant and unitary model for one-pion photo- and electroproduction. The predictions of the model agree with the asymmetries and the spin sturcture functions recently measured at SLAC, and the first moments of the calculated spin structure functions fullfil the Gerasimov-Drell-Hearn and Burkhardt-Cottingham sum rules within an error of typically 5-10 %.
Drechsel Dieter
Kamalov Sabit S.
Krein Gastao
Tiator Lothar
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