Events with at least 800 Velo Clusters

Velo cluster multiplicity for run 63567	only for events with primary verte

• Run duration 8000 sec, average rate 1.7Hz
• 176 events with N(velo)>800:             0.02 Hz
• Future: 10 more current / beam, 1000x more bunches:   200 Hz  ? But Velo will be closer