Two-photon annihilation into octet meson pairs: symmetry relations in the handbag approach

Details Two-photon annihilation into octet meson pairs: symmetry relations in the handbag approach Two-photon annihilation into octet meson pairs: symmetry relations in the handbag approach

2009-11-17

arxiv.org/abs/0911.3317v1

Phys.Lett.B683:165-171,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages, 5 figures

Scientific paper

10.1016/j.physletb.2009.12.009

We explore the implications of SU(3) flavor symmetry in the soft handbag
mechanism for two-photon annihilation into pairs of pseudoscalar octet mesons.
In this approach we obtain a good description of the experimental results for
all measured channels at high energy, with two complex form factors adjusted to
the data. We also predict the cross section for gamma gamma -> eta eta.

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