The gluon contents of the eta and eta' mesons

Abstract

It is reported on a leading-twist analysis of the eta - photon and eta' - photon transition form factors. The analysis allows for an estimate of the lowest Gegenbauer coefficients of the quark and gluon distribution amplitudes.

Comments: 5 pages, 5 figures (using LATEX with aipproc), talk presented at the X. International Conference on Hadron Spectroscopy Aschaffenburg, September 2003