CP3 Lunch - A theoretical determination of the eta-eta' mixing - Céline Degrande

by Ms Céline Degrande (CP3)

Wednesday 15 Apr 2009, 13:00 → 13:50 Europe/Brussels

Cycl.06

After a short introduction to the effective theory for the pseudoscalar mesons, I will explain how we obtain a theoretically favoured eta-eta' mixing in the large N_c limit. The agreement between the theoretical and experimental values can be reached with higher order corrections of about 20%.

Paper http://arxiv.org/abs/0901.2860