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Article overview
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$omega$ and $
ho$ Photoproduction with an Effective Quark Model Lagrangian | | Qiang Zhao
; Zhenping Li
; C. Bennhold
; | | Date: |
5 Mar 1998 | | Journal: | Phys.Lett. B436 (1998) 42-48 | | Subject: | nucl-th | | Affiliation: | Peking University), and C. Bennhold (Geogie Washington University | | Abstract: | An unified approach for vector meson photoproduction is presented in the constit quark model. The s- and u-channel resonance contributions are generated using an effective quark vector-meson Lagrangian. In addition, taking into account $pi^0$ and $sigma$ t-channel exchanges for diffractive production, the available total and differential cross section data for $omega$, $
ho^0$, $
ho^+$, and $
ho^-$ photoproduction can be well described with the same quark model parameter set. Our results clearly indicate that polarization observables are essential to identify so-called "missing" resonances. | | Source: | arXiv, nucl-th/9803015 | | Services: | Forum | Review | PDF | Favorites | |
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