08h20 Start ThomX: modulator, laser, fridge,cycling all magnets
08h25 chillers are started
09h50 Controlled access (Rhonic)
09h57 HV is 'On'
10h00 HV is at 1215 V
10h04 RF Gun phase is 136 dg.
10h10 Receipt from 13022025 15;05 loaded
Sect. Phase is 215 dg., Att. 2.48, TL /BPM02 X=0
The yesterday receipt does not provide yesterday storage. The ring was adjusted.
13h20 Vacuum interlock in the ring
13h40 Tthe linac waz reajusted after the interlock. RF Gun phase is 124 dg. Sect. Phase is 215 dg. TL /BPM02 X=3.5 mm
14h21 Scan FPC table. Vert. sigma 120um
Charge: -109; -104; -117 pC
15h00 61.5 MeV. Charges: -110, -107, -113 pC; F=500.04545, 100 kV, Manual phase shifter on 5254, RF phase is 23.5 dg. (the mixer phase shifter for amplitude 3562 )
15h34 Scan FPC table, so-so.
16h15 Scan FPC table 177 um. Recipt All_202050217_16_22
16h59 70 MeV Sect. Att. 0.244 dB, Phase 238 dg. TL/BPM2 X=-0.5 mm. Linac steerers: H [0.19 -2.85], V [-3.63 3.49]
18h05 Can not store the beam
18h06 Stop ThomX
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La clé PA est resté enclenchée hier. Il faut penser à la tourner avant de partir (demande de Maher)
8h15 : Mise en chauffe machine (aimants, chillers, laser, modulateur).
Pas de mesure de charge (WAC, délai ?)
Recherche de la cause de la perte de puissance
** Klystron 1090 ==> 2MW en Pi Load
Initial : TL/BPM.02 à 0 (Dipôle 160.8A) ==> 1.27dB
On test les sources de pertes de puissance :
* Changement frequence RF (-500Hz)
pas de changement
* Changement temperature section ( consigne 29.5°C ==> 29.2°C)
TL/BPM.02 à 0 ==> 1.39dB
On continue pour trouver l'optimum
optimum trouvé autour de 27.0°C en consigne.
TL/BPM.02 à 0 ==> 1.73dB
** Essaie de rentrer dans l'anneau. Impossible de faire un tour. Reprise du septum, on gagne 2 BPM mais les deux dernier ne voit pas de faisceau.
==> problème de délai des EP ?
Hier modification du retard du laser PC pour vérifier que l'on était bien dans l'impulsion RF au niveau de la section LIL. Passage du retard de -8.2µ à -8.4µs (pas de changement sur l'energie faisceau)
remise du retard à -8.2µs
parametre pour mardi
recette good for Xray and EL opérationel (atténuateur section 1.385dB 29.2°C)
Arret machine
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07h50 Start-up modulator, laser, fridge, chillers, cycling remotly
recipe_recipe_LI_TL_RI_all_20260708_11_47_10.txt loaded, linac steerers adjusted
11h19 Energy = 50 MeV, Laser Phase 144 dg., Sect. Phase 236 dg., Sect. Att. 2.212 dB, I_Gun -309.3347 pC, I_Linac -334.7266 pC, I_TL -321.4742 pC RF_Ampl. 148.6391 kV, RF_Phase -39 dg.
11h56 Energy = 50 MeV, Laser Phase 142 dg., Sect. Phase 236 dg., Sect. Att. 2.212 dB, I_Gun -302.0497 pC, I_Linac -327.6407 pC, I_TL -313.6468 pC RF_Ampl. 148.6391 kV, RF_Phase -39 dg.
12h06 Energy = 50 MeV, Laser Phase 142 dg., Sect. Phase 236 dg., Sect. Att. 2.292 dB, I_Gun -98.2597 pC, I_Linac -127.0455 pC, I_TL -111.1903 pC RF_Ampl. 148.6391 kV, RF_Phase -39 dg.
12h02 Energy = 50 MeV, Laser Phase 142 dg., Sect. Phase 236 dg., Sect. Att. 2.292 dB, I_Gun -197.1194 pC, I_Linac -223.2824 pC, I_TL -208.7964 pC RF_Ampl. 148.6391 kV, RF_Phase -39 dg.
12h10 Energy = 50 MeV, Laser Phase 142 dg., Sect. Phase 236 dg., Sect. Att. 2.292 dB, I_Gun -99.7723 pC, I_Linac -129.51 pC, I_TL -112.1044 pC RF_Ampl. 148.6391 kV, RF_Phase -39 dg.
12h14 Energy = 50 MeV, Laser Phase 142 dg., Sect. Phase 236 dg., Sect. Att. 2.312 dB, I_Gun -52.0515 pC, I_Linac -81.6667 pC, I_TL -63.9639 pC RF_Ampl. 148.6391 kV, RF_Phase -39 dg.
12h22 Energy = 50 MeV, Laser Phase 141 dg., Sect. Phase 236 dg., Sect. Att. 2.312 dB, I_Gun -25.7925 pC, I_Linac -55.9377 pC, I_TL -37.2155 pC RF_Ampl. 148.6391 kV, RF_Phase -39 dg.
12h35 Energy = 50 MeV, Laser Phase 141 dg., Sect. Phase 236 dg., Sect. Att. 2.252 dB, I_Gun -96.7142 pC, I_Linac -127.1059 pC, I_TL -13.2029 pC RF_Ampl. 148.6391 kV, RF_Phase -37.5 dg.
12h56 Energy = 50 MeV, Laser Phase 136 dg., Sect. Phase 236 dg., Sect. Att. 2.252 dB, I_Gun -91.54 pC, I_Linac -120.9573 pC, I_TL -13.248 pC RF_Ampl. 148.6391 kV, RF_Phase -37.5 dg.
13h02 Energy = 50 MeV, Laser Phase 136 dg., Sect. Phase 236 dg., Sect. Att. 2.297 dB, I_Gun -94.3978 pC, I_Linac -124.5719 pC, I_TL -106.9085 pC RF_Ampl. 148.6391 kV, RF_Phase -39 dg.
13h10 Energy = 50 MeV, Laser Phase 136 dg., Sect. Phase 240 dg., Sect. Att. 2.283 dB, I_Gun -90.3928 pC, I_Linac -120.0552 pC, I_TL -96.6732 pC RF_Ampl. 148.6391 kV, RF_Phase -34.5 dg.
13h24 Energy = 50 MeV, Laser Phase 140 dg., Sect. Phase 236 dg., Sect. Att. 2.223 dB, I_Gun -329.6098 pC, I_Linac -356.3881 pC, I_TL -331.0561 pC RF_Ampl. 148.6391 kV, RF_Phase -37.5 dg.
13h28 ThomX was stopped |