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The gluon contribution to the polarized structure function $g_2$

We compute the structure function $g_2$ for a gluon target in perturbative QCD at order $\as$. We show that its first moment vanishes, as predicted by the Burkhardt-Cottingham sum rule.

Detalles Bibliográficos
Autores principales: Gabrieli, Andrea, Ridolfi, Giovanni
Lenguaje:eng
Publicado: 1997
Materias:
Acceso en línea:https://dx.doi.org/10.1016/S0370-2693(97)01415-9
http://cds.cern.ch/record/334983
Descripción
Sumario:We compute the structure function $g_2$ for a gluon target in perturbative QCD at order $\as$. We show that its first moment vanishes, as predicted by the Burkhardt-Cottingham sum rule.