09h12 Warm-up ThomX: Modulator, Laser, Fridge
09h21 Chillers were started, cycling all magnets.
RF 50 pps
1210 --> interlock
1150 : ok
 Vacc : vac4 dominates (section)
Q_max (420) = 700 pC !
Alignement cathode à vérifier :
position [X ; Y] : [5.33822878121 ; 4.32296059091]
pente [X ; Y] : [685.183030303 ; 1644.7430303]
error [X ; Y] : [1197.22874693 ; 11425.5175959]
13h38 Standby
14h09 Steereing coils along the section were installed, HV is on, the laser gate was closed
14h10 Sect Att. 30 dB, RF gun Att. 20 dB, HV 1160 ==>1215 V
14h13 All seems OK, Sect. Att. 20 dB
14h15 Sect. Att. 10 dB
14h18 Att. 5 dB
14h20 Att. 3 dB
14h22 Att. 2.44 dB
14h24 interlock, sect. vacuum jumps, restarted
14h30 RF Gun Att. 15 dB. Gun vacuum drops
14h32 Gun Att. 10 dB.
14h34 Interlock, unknown reasone, restarted
14h36 Interlock, unknown reasone, restarted
14h41 RF Gun Att. 8 dB.
14h46 RF Gun Att. 7 dB.
14h50 RF Gun Att. 6 dB.
14h53 RF Gun Att. 5 dB. (Gun vac01 1e-8)
14h55 RF Gun Att. 4 dB.
15h01 RF Gun Att. 3 dB.
15h05 Interlock, restarted (not a vacuum problem)
15h06 RF Gun Att. 2 dB.
15h10 RF Gun Att. 1 dB, Sect Att. 1.44 dB
15h11 Interlock, sect. Vacuum (Vac05), Sect Att. 2 dB
15h15 Interlock, sect. Vacuum
15h20 RF Gun Att. 0.8 dB, Sect Att. 2.04 dB
15h22 Interlock, sect. Vacuum (Vac05)
15h24 RF Gun Att. 0.7 dB, Sect Att. 2.04 dB
15h27 RF Gun Att. 0.6 dB, Sect Att. 2.04 dB
15h32 RF Gun Att. 0.5 dB, Sect Att. 2.04 dB
15h34 RF Gun Att. 0.4 dB, Sect Att. 2.04 dB
15h36 Interlock, sect. Vacuum (Vac05)
15h37 RF Gun Att. 0.3 dB, Sect Att. 2.04 dB
15h39 RF Gun Att. 0.2 dB, Sect Att. 2.04 dB
15h42 RF Gun Att. 0.1 dB, Sect Att. 2.04 dB (gun breakdowns)
15h53 RF Gun Att. 0.0 dB, Sect Att. 2.04 dB (gun breakdowns)
16h00 HV off. 12.5 pps
16h01 HV on
16h07 Gate open, Laser Att. 233, -100 pC, RF Gun phase 103 dg.
16h35 RF Gun phase 103 dg., Sect. phase 221 dg., Sect. Att. 2.36 dB -100 pC. Linac steerers to align QP1 - QP3 H [-0.22 -2.82], V [-2.52 3.15]. Li/BPM01 x=1.8, y =0, but not on the screen
from the code : QP1 - QP3 H [-0.23 -2.82], V [-2.53 3.16].
Charge is oscillating, do not see the reason.
rechecked the laser alignment : it's seems to be within the variations of the beam position. Cannot do better.
Remark concerning the timing ... 25 min more on the trend data (tango, libera side ? ) : see the trend file for the positions.
H : 5.256
V : 4.643
QP1 scan to check the working point.
18h30 Stop |