H1prelim-06-111

A new measurement of exclusive phi meson photoproduction at HERA

Reference Preliminary results expected for ICHEP'06, Summer 2006
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Abstract Using a sample of more than 30000 events taken with the H1 detector at HERA in 2005, a new measurement of exclusive $\phi^0$ photoproduction in the kinematic range $27 < W < 90\,GeV$ and $|t| < 2GeV^2$ is performed. >From the measurement of the $W$ dependence of this process in bins of $t$, the Pomeron trajectory $lpha_P\,(t)$ can be extracted from the data of a single experiment.
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