Asymmetries in phi photoproduction and the OZI violation

Details Asymmetries in phi photoproduction and the OZI violation Asymmetries in phi photoproduction and the OZI violation

2001-04-24

arxiv.org/abs/nucl-th/0104068v3

Phys.Rev. C64 (2001) 055207

Physics

Nuclear Physics

Nuclear Theory

12 pages, REVTeX, 5 figures, typo errors corrected, version to appear in Phys. Rev. C

Scientific paper

10.1103/PhysRevC.64.055207

We study the vector meson density matrix and the associated polarization asymmetries in $\phi$ photoproduction near threshold. In order to study the OZI violating processes, we consider the direct $\phi NN$ coupling as well as the knockout processes arising from the non-vanishing $s\bar{s}$ sea quarks in the nucleon. The polarization asymmetries in $\phi$ meson decays are found to be very useful to constrain the $\phi NN$ coupling constant. The hidden strangeness of the nucleon can also be studied by these asymmetries, but mostly at large $|t|$ region.

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