Pseudoscalar meson transition form factors

Details Pseudoscalar meson transition form factors Pseudoscalar meson transition form factors

2004-01-02

arxiv.org/abs/hep-ph/0401007v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

3 eps figures. Contribution presented at the PHOTON'03, April 7-11, 2003, Frascati (Roma), Italy

Scientific paper

10.1016/S0920-5632(03)02310-7

Present-day experimental and phenomenological situation about pseudoscalar ($\pi^0$, $\eta$, $\eta'$) meson transition form factors is briefly reviewed. Necessity of more sophisticated behaviours in time-like region of these form factors is emphasized. Four-resonance unitary and analytic model of the pseudoscalar meson transition form factors is constructed, which describes well all existing experimental information.

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