The following data was taken with triggers: bh1-mb (ID 220510), etot-mb-l2 (ID 7). jpt-mb-l2 (ID 8), and bh2-mb-slow (ID 220520). The total number of events in this set was 16351.
Figure1 : Delta Vz between PPV Vertex closest to the VPD vertex and the vpd. PPV ranking was ignored.
Figure 2. Delta Vz between second closest PPV vertex and vpd vertex.
Figure 3: This is figure 1 fitted with an unrestrained gaussian.
Figure 4: This is Figure 1 and 2 (red) plotted on top of each other with a bin width of 6.3 cm (2 times the sigma fitted in Figure 3.)