The first sample on beam is the NaCl target #4. The shado cone was placed between the LiF target and the chamber.

The shadow cone was a cupper cilinder of 4cm diameter and 30 cm lenght, placed at 0.8 cm from the LiF target and 2.8 cm from the chamber. See first figure 1.

Therefore, the diameter of the chamber is 15cm. The sample (considering the center of the chamber as 0) it's place 1 mm misalignt farther from the beam. So, the distance between the LiF target and the sample is 41.2cm.

On the other hand, the distance between detectors is 5.2cm, and the sample is closer to the upstream detector. So, the sample is at 2.5cm from DSSSD #2 (Preamp B) and at 2.5cm from DSSSD #1 (Preamp A). See Figure 2.

DSSSD 2 goes to ADC9419 1; DSSSD 1 goes to ADC9418 2;

Au layer faces DSSSD 1. NaCl target 4. 

Both detectors were setup at 70V on Friday 27th of February.