DESY
Author in the following contributions
- Measurement of the cross-section ratio σψ(2S)/σJ/ψ(1S) in exclusive photoproducion at HERA
- News from HERA on inclusive jet measurements, and parton distribution and strong coupling determinations at the next-to-next-to-leading-order
- Measurement of the azimuthal decorrelation angle between the leading jet and the scattered lepton in deep inelastic scattering at HERA
