Vector meson $\omega$-$\phi$ mixing and their form factors in light-cone quark model

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Qian, Wen
Ma, Bo-Qiang
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Abstract
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The vector meson $\omega$-$\phi$ mixing is studied in two alternative scenarios with different numbers of mixing angles, i.e., the one-mixing-angle scenario and the two-mixing-angle scenario, in both the octect-singlet mixing scheme and the quark flavor mixing scheme. Concerning the reproduction of experimental data and the $Q^2$ behavior of transition form factors, one-mixing-angle scenario in the quark flavor scheme performs better than that in the octet-singlet scheme, while the two-mixing-angle scenario works well for both mixing schemes. The difference between the two mixing angles in the octet-singlet scheme is bigger than that in the quark flavor scheme.
Comment: 16 pages, 7 figures, final version to appear in PRD
Keywords
High Energy Physics - Phenomenology, High Energy Physics - Experiment
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