Vector meson production and inclusive KsKs final state at HERA

Measurements of vector mesons at HERA allow a detailed study of diffractive and non-diffractive production mechanisms, fragmentation and decay branching ratios. Results are presented on hadronic resonance measurements. In addition, the first observation of two meson states at masses around 1500 MeV and 1700 MeV are reported using inclusive KsKs production in deep inelastic ep scattering in ZEUS at HERA.