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User name R. Tieulent
Log entry time 00:28:33 on April 1,1999
Entry number 11215
keyword=March 31, Swing shift
1600 : HMS Dipole trip at the end of the ramp up.
1630 : HMS Dipole trip at the end of the ramp up.
1700 : JohnA advised to move scaler gate from TSGO to EN1.
1705 : the HMS Dipole finally came back up.
Start taking data 2% radiator IN, 12 cm LD2 target
1740 : Change Radiator from 2% to 4%
1800 : Dead time really high (~40%) change the HMS trigger from 3/4 to 4/4.
1805 : Data acquisition problem, ROC 5 down.
Reboot all the ROCs.
The Dead time go done to 10% with thr HMS trigger set at 4/4
1835 : HMS Dipole trip
1930 : The magnets PC is dead, no more update.
Try to reboot using "Eldatic Dipole HMS" but nothing append
2000 : reboot the Dipole PC and Q1
2030 : start taking data again
6% radiator HMS trigger 3/4 -> ~50% dead time...
2040 : change the HMS trigger from 3/4 to 4/4 -> ~12% dead time
2110 : HMS Q2 trip
2210 : RF trip (beam came back at 23.20)
2310 : HMS Q2 trip
2330 : Start taking data again (6% radiator, LD2 12 cm)
2400 : HMS Q2 trip