Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2005-01-17
Phys.Rev. D71 (2005) 014034
Physics
High Energy Physics
High Energy Physics - Phenomenology
22 Latex pages, 7 figures, Version to appear in PRD
Scientific paper
10.1103/PhysRevD.71.014034
The photon-meson transition form factors of light pseudoscalar mesons $\pi ^{0}$, $\eta$, and $\eta ^{\prime}$ are systematically calculated in a light-cone framework, which is applicable as a light-cone quark model at low $Q^{2}$ and is also physically in accordance with the light-cone pQCD approach at large $Q^{2}$. The calculated results agree with the available experimental data at high energy scale. We also predict the low $Q^{2}$ behaviors of the photon-meson transition form factors of $\pi ^{0}$, $\eta $ and $\eta ^{\prime }$, which are measurable in $e+A({Nucleus})\to e+A+M$ process via Primakoff effect at JLab and DESY.
Ma Bo-Qiang
Xiao Bo-Wen
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