09:30

New run 54 with:

Electron cooler setpoint 244.1 V

Electron cooler read 243.55 V

Collector current 4.3 uA

Right arm at 64.60 mm

Left arm IN at 36.54 mm

MBS working - hopefully

Target 7E11

Injection ca. 5E7

horizontal beam position changed to 8.75 mm

vertical beam position still -5mm

10:30

No beam

ADC stats increased to 250k again same time as beam lost

Detector shake resolved problem

System checks OK

10:35

Beam back

12:17

All system checks OK

12:29

DSSD top left noisy again. Detector shake resolves issuie

14:02

Running smoothly. Temps OK. Stats OK, but write to disk rate x10 usual for unclear reasons.

Target mostly stable. Beam OK, missing some injections occasionally.

14:25

Detector 0 noisy. Shook. Fixed it.