Measurements of Charm and Beauty in DIS via muon tags at ZEUS.

Marcello Bindi
Charm and Beauty production were measured in deep inelastic scattering (DIS) with the ZEUS detector at HERA. Heavy quarks were reconstructed using their semi-leptonic decay into muons. The signal was separated from the background using lifetime information, the transverse momentum of the muon with respect to the axis of the associated jet and the missing transverse momentum parallel to the muon direction. Differential cross sections were measured and compared to next-to-leading order QCD predictions. The...