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Photon-meson transition form factors of light pseudoscalar mesons | | Bo-Wen Xiao
; Bo-Qiang Ma
; | | Date: |
18 Dec 2004 | | Journal: | Phys.Rev. D71 (2005) 014034 | | Subject: | hep-ph hep-ex nucl-ex nucl-th | | Abstract: | 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 $e+A({Nucleus}) o e+A+M$ process via Primakoff effect at JLab and DESY. | | Source: | arXiv, hep-ph/0501160 | | Services: | Forum | Review | PDF | Favorites | |
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