1202.1171 (Henryk Czyz et al.)

Two-photon form factors of the pi0, eta and eta-prime mesons in the
chiral theory with resonances    [PDF]

Henryk Czyz, Sergiy Ivashyn, Alexandr Korchin, Olga Shekhovtsova

We have developed a phenomenological approach which describes very well the
pi0, eta and eta-prime meson production in the two-photon interactions. The
simultaneous description of the pi0, eta and eta-prime meson two-photon form
factors is consistent with data in the space-like region. The obtained form
factors are implemented in the event generator EKHARA and the simulated cross
sections are presented. Uncertainties in the measured form factors coming from
the model dependence in Monte Carlo simulations are studied. The model
predictions for the form factor slopes at the origin are given and the high-Q2
limit is also discussed.

View original: http://arxiv.org/abs/1202.1171