09h00 Warm-up ThomX: Modulator, Laser, Fridge

09h05 Chillers were started, cycling all magnets

10h03 HV is on

10h08 The laser att. 300 ==> 274 to set the gun charge to -100 pC 

10h53 beam is in the ring. Laser phase 101 dg., Sect.  Att. 2.533 dB, sect. phase 223 dg. (mot. pos. 1710. 223-60 dg. mot. pos. 1254 )

11h34 Breakdowns in the gun. Low SF6 pressure (2.2 bar)

13h38 Jean-Noel fixed it

13h48 HV is on

14h41 Gun charge is very ubstable and low. Breakdowns in the gun.

15h06 RF gun att. 3 dB

15h10 RF gun att. 2 dB

15h13 RF gun att. 1.5 dB

15h16 RF gun att. 1 dB. Can't move on. 

15h19 Shutter was closed

15h24 RF gun att. 0.8 dB

15h28 RF gun att. 0.4 dB

15h29 RF gun att. 0.2 dB, breakdowns, go back to 2 dB

15h51 50 pps 2 dB

16h02 It gets worse 

16h03 12.5 pps.

16h25 RF gun att. 0.5 dB

17h00 RF gun att. 0.8 dB

17h53 RF gun att. 0.0 dB, pulse width 2 us, breakdowns

17h58 RF gun att. 0.0 dB, pulse width 2.7 us, dark current 30 mV, solenoid off

18h00 RF gun att. 0.0 dB, pulse width 3 us, dark current 30 mV (it used to be around 18)

18h17 The laser spot on the cathode, the solenoid on, charge is low. There are breakdows at the new spot position.

18h20 ThomX was stopped

8h: mise en chauffe en remote (cyclage, modulateur, laser, frigo/chiller)
clients et réseau très lent ==> reboot à faire sur TOUT les clients (client1 à 100% de la mémoire de prise)
09h28 HV is on

10h02 Beam is in the ring W/O RF. recipe_recipe_LI_TL_RI_all_20260224_14_54_20.txt loaded. Linac steerers adjusted
10h15 RF 100 kV, phase -39 dg.
11h03 Charges ~100 pC, laser att. 320

-----------------------------------------------------------------------------------

Les 2 det Dectris et photonic sur bras detecteur

Changement de position du CdTe sur l'hexa ech  ==> Nouvelle correspondance Fentes2 / Hexa : Hexa [70 , 20]  Fente2 [4 , -19]
Check : 1 spectre OnAxis, 1 a V+40, 1 a H+40

Calibration bras détecteur TZ : 1m = 79 777 pas moteur

-------------------------------------------------------------------------------------

Alignement TRANSFO centre faisceau avec les 2 pinholes

12h25  Mesure taille de source

5 images Photonic tous les 20000 pas (~ 1 m d'excursion en Z ,  Z=0 correspond au point echantillon)
AVEC PINHOLES :

R 17 + 22 + 28 ==> 5 images Z = 0 , 20000 , 40000 , 60000 , 80000
R 17 + 22                   "
R 17                           "
R 28                           "
R 22 + 28                    "
R 22                           " 
R 17 + 28

Alignement diode calibree centre faisceau - Fentes2 refermee autour de la diode - Mesures flux diode calibree

Pinholes : 13h53 - 54
Pin + R17+22+28 : 13h54 - 55
Pin + R17+22 : 13h55 - 56
Pin + R17 : 13h56 - 59
Pin + R17+28 : 14h00 - 01
Pin + R22+28 : 14h02 - 03
Pin + R28 : 14h03 - 04
Pin + R22 : 14h05 - 06

Photonic au point echantillon  - R17+22 AVEC PINHOLES ==> Fentes 2 : ouverture [1 , 0.4] mm = tout le faisceau
                                                                                                                                 [0.5 , 0.2] mm
                                                                                                                                 [0.25 , 0.1] mm

Diode calib au point echantillon - Mesures

SANS LENTILLES - AVEC PINHOLES

Fentes 2 = [1 , 0.4] 14h32 - 33
                [0.5 , 0.2]  14h33 - 34 
                [0.25 , 0.1]  14h35 - 36 

SANS LENTILLES - SANS PINHOLES

Fentes 2 = [0.25 , 0.1]  14h36 - 37 
                [0.5 , 0.2]  14h38 - 39
                changement de calib du PICO 
                [1 , 0.4] 14h42 - 43

SANS Fentes2 - SANS PINHOLES

Avec R17 -14h44 - 47
Avec R17+22 14h48 - 49
Avec R17+22+28 14h49 - 50

5 images Photonic tous les 20000 pas (~ 1 m d'excursion en Z ,  Z=0 correspond au point echantillon)
SANS PINHOLES :

R 17+22+28 (==> 5 images Z = 0 , 20000 , 40000 , 60000 , 80000) ,
R 17+22
R17
R 28
R 22+28
R22
R17+28

Mesure taille de source fentes1 (15h40)

Some Quad scans with variying the Iris opening.

Data :

• 17h17 : 2mm 120 pC
• 17h31 : 1.3mm 100pC
• 17h46 : 1mm 80pC
• 18h00 : 1mm 100 pC
• 18h27 : 1mm 100 C Sole 240 
• 18h41 : 1mm 100 C Sole 245

8h: mise en chauffe de la machine en remote (modulateur, laser, frigo/chillers, cyclage)

*** Programme ***

- Prise de données MonoChromateur. 

09h04 HV is on

recipe_recipe_LI_TL_RI_all_20260311_13_12_06.txt loaded

09h43 Beam is in the ring W/O RF

10h16 RF 100 kV, phase-42 dg. Charge is oscillating -100 pC to -120 pC. Laser att. 316, RF gun laser phase 148 dg., sect. phase 222 dg.,

10h36 Laser phase 140 dg., Sect. 223 dg.

12h16 RF 100 kV, phase-46 dg. Charge is oscillating -100 pC to -120 pC. Laser att. 316, RF gun laser phase 142 dg., sect. phase 223 dg.,

15h48 RF 100 kV, phase-46 dg. Charge is oscillating -100 pC to -120 pC. Laser att. 316, RF gun laser phase 132 dg., sect. phase 224 dg.,

17h27 ThomX was stopped

8h05 : mise en chauffe en remote (frigo/chillers, modulateur, laser, cyclage)

*** programme : Mesures : sol 230 100 pC

- Taille vert. e- (FPC)   ==> FAIT        (sigma = 110 um RMS stat / 102 um gauss)      --> Taille ele V = 85 um

- Spectre angulaire sur 6-7 mrad ==> FAIT
       Carre de 30 x 30 mm autour de l'OnAxis a l'oeil : ouverture fente2 0.3x0.3 mm
       Au dela : ouverture fente2 0.4 x 0.4 mm

- Diode_Calib (flux On-Axis) - PAS fait (I3 et I4 suffisent)

- Taille_Source photonic  ==> FAIT  - DISTANCE Hexa_ech - Photonic = 43 cm
       LSF [V , H] = [135 , 52] um
       LSF [V , H] = [136 , 53] um       --> Taille ele [H , V] = [143 , 81] um

- Longueur e-  ==> FAIT                      ~ 100 ps au debut,  200 ps end (fwhm) ==> 85 ps RMS

- Emitt_Linac (QuadScan Q1) - PAS fait, les mesures emittances sont chaque fois de l'ordre de  2-3 mm.mrad ...

     - Puissance FPC ~ 85 kW
     - Flux : I3+I4 ~ 15000 - 18000 ==> 1.1 - 1.3 10^10 ph/s

=================================

09h09 HV is on

09h41 recipe_recipe_LI_TL_RI_all_20260311_13_12_06.txt loaded, linac steerers adjusted. Beam in the ring W/O RF, ring saved 

09h49 RF 100 kV phase -42 dg. Charges around -100 pC, RF gun phase 172 dg., Sect. att. 2.4 dB , phase 224 dg. linac steerers: H [-0.2 -2.72], V [-2.54 3.14]

8h: mise en chauffe en remote (frigo/chillers, laser, modulateur, cyclage)

*** Programme : Mesure spectre et monochromateur à 61.5MeV (70MeV si le temps le permet)

61.5 MeV

09h35 HV is on
photocathod laser phase 62 dg.  The receipt 61p5MeV_20250703_12_56_55.txt loaded, going to 61.5 MeV (interlocks)
10h13 Beam is on TL/SST02. Sect. att. 0.992 dB, sect. phase 236 dg.
10h30 Aligned with QP1 - QP3, linac steerers: H [-0.2 -3.02], V [-2.55 3.22]
11h05 Beam is in the ring W/O RF with all ring correctors set to zero

RF 100 kV storage is good, but can't correct the orbit  at 61.5 MeV :  le faisceau est presque hors du tube ==> Try to go to 70 MeV

70 MeV

13h20 RF processing the section on 25 pps by increasing pulse length from 1 us to 3 us
13h56 70 MeV, Linac steerers H [0.21 -3.75], V [-2.84 3.33], sect. att 0.18, phase 255 dg. laser phase 56 dg. (On the base of 70_MeV_Vert_tune 0.66_good_20251212_13_56_38.txt)
16h17 recipe_recipe_LI_TL_RI_good_20260318_16_17_14.txt saved, screenshots, RF 100 kV, phase -36 dg., Freq. 500.031645 MHz

L'orbite n'est pas la meme que pour 50 MeV  ==> Checks spectres dromadaires a V+40 

X_fpc = -1.5 / -1.3 / -1.7 / -1.9 / -1.1  mais on a oublie d'ajuster la phase a chaque fois  .... meme phase (3.0 V) 
X_fpc = -0.9 / -0.7 / -0.4 / -0.2 / -0.5  en ajustant la phase a chaque fois
Cf les 2 screenshots "Spectre 70 MeV"

On se place a X_fpc = -1 mm (pas top mais dans l'urgence on se met la)

Fente2 centrees a l'oeil : [H , V] = [11 , -23]
Prise de spectres a +/- 10 en H et V  (a voir ce que ca donne offline)

17h56 ThomX was stopped

7h20: mise en chauffe en remote (frigo/chillers, laser, modulateur, cyclage)

08h55 HV is ON

10h07 70 MeV. Beam is in the ring with RF 100 kV, phase -37.5 dg. The recipe_recipe_LI_TL_RI_good_20260318_16_17_14.txt loaded, linac steerers adjusted, Laser phase 56 dg., Sect. Att. 0.191 dB, Sect. phase 255 dg. charges around -100 pC, laser att. 323,

Goal: same orbit as for 50 MeV for X rays.

Work on 70 MeV orbit.

Orbits were obtained near IP. Receipt 70 MeV: recipe_recipe_LI_TL_RI_all_20260320_12_35_26.txt

Work on 61.5 MeV

Receipt 61.5 MeV: recipe_recipe_LI_TL_RI_all_20260320_16_26_35.txt, F=500.034945 MHz

8h05 : mise en chauffe en remote (frigo/chiller, modulateur, laser, cyclage)

09h17 HV is ON

11h36 Mod. on standby

13h16: Mod Trig

13h40: Mod Standby impossible de locker la cavite CFP. ==> arret du shift ==> Hayg prend la machine

7h37 : mise en chauffe en remote (frigo/chiller, modulateur, laser, cyclage)

08h57 HV is ON

==> 70 MeV, F=500.031645 MHz

11h20 Beam is in the ring. recipe_recipe_LI_TL_RI_all_20260320_12_35_26.txt loaded with linac steerers adjusted

11h21 Laser Phase 54.3291 dg., Sect. Phase 256 dg., Sect. Att. 0.197 dB, I_Gun -96.9629 pC, I_Linac -144.3734 pC, I_TL -126.6061 pC RF_Ampl. 99.1184 kV, RF_Phase -59 dg.

7h55 : mise en chauffe en remote (frigo/chillers, laser, modulateur, cyclage)

==> vérifier la pression SF6 avant de commencer.  2461mB

HV On

10h05 Laser Phase 29.2269 dg., Sect. Phase 256 dg., Sect. Att. 0.15 dB, I_Gun -107.4324 pC, I_Linac -149.9747 pC, I_TL -133.2527 pC RF_Ampl. 99.1569 kV, RF_Phase -60.51 dg.

15h39 ==> 61.5 MeV, F=500.034945  MHz, Sect Att. 1.00 dB, phase 240. dg.

6h03 Laser Phase 27.2 dg., Sect. Phase 240 dg., Sect. Att. 0.981 dB, I_Gun -110.9555 pC, I_Linac -155.372 pC, I_TL -135.7899 pC RF_Ampl. 99.1184 kV, RF_Phase -47.91 dg.

17h54 ThomX was sopped

7h40 : mise en chauffe en remote (frigo/chillers, modulateur, laser, cyclage)

==> SF6 à remplir avant démarrage. 2.805 bar

09h04 HV is ON
11h34 Laser Phase 91.1 dg., Sect. Phase 244 dg., Sect. Att. 0.937 dB, I_Gun -93.1422 pC, I_Linac -136.692 pC, I_TL -117.2003 pC RF_Ampl. 99.1569 kV, RF_Phase -47.91 dg.
16h09 Laser Phase 93.1 dg., Sect. Phase 244 dg., Sect. Att. 1.027 dB, I_Gun -98.4828 pC, I_Linac -140.6614 pC, I_TL -121.8007 pC RF_Ampl. 99.1569 kV, RF_Phase -47.91 dg.

** Recherche meilleur point d'interaction

Mouvement horiz table FPC + orbite e- differentes
Prise spectres a V +40
==> rien de concluant

On se place a Y_fpc = -1.7 mm - Orbite electron cf screenshot - Faisceau a peu pres centre dans le tube X

** Scan spectre ENERGY-ANGLE 61.5 MeV

Fente2 centrees [Hpos Vpos] = [-13 , -14]

Fin de shift 19h45

7h50 : mise en chauffe en remote (frigo/chillers, modulateur, laser, cyclage)

08h58 HV is ON

recipe_recipe_LI_TL_RI_all_20260326_09_09_20.txt loaded

09h20 Laser Phase 83.1 dg., Sect. Phase 212 dg., Sect. Att. 2.397 dB, I_Gun -81.8326 pC, I_Linac -86.4815 pC, I_TL -93.017 pC RF_Ampl. 0 kV, RF_Phase -47.91 dg.

15h29 Laser Phase 97 dg., Sect. Phase 224 dg., Sect. Att. 2.417 dB, I_Gun -100.8297 pC, I_Linac -125.7466 pC, I_TL -113.6521 pC RF_Ampl. 148.7161 kV, RF_Phase -36.5 dg.

18h23 Laser Phase 97 dg., Sect. Phase 224 dg., Sect. Att. 2.507 dB, I_Gun -103.7883 pC, I_Linac -128.9273 pC, I_TL -117.0162 pC RF_Ampl. 148.7161 kV, RF_Phase -36.5 dg.

7h50 : mise en chauffe en remote (frigo/chillers, modulateur, laser, cyclage)

9h30 HV is ON

recipe_recipe_LI_TL_RI_all_20260402_14_37_41.txt loaded

Adjustments for bunch length measurements at the linac exit.

11h40 Laser Phase 75 dg., Sect. Phase 225 dg., Sect. Att. 2.46 dB, I_Gun -105.0196 pC, I_Linac -109.9004 pC, I_TL -11.3 pC RF_Ampl. 0 kV, RF_Phase -35 dg.

14h27 Laser Phase 69 dg., Sect. Phase 225 dg., Sect. Att. 2.559 dB, I_Gun -112.9786 pC, I_Linac -138.8843 pC, I_TL -127.2119 pC RF_Ampl. 98.0026 kV, RF_Phase -35 dg.

from RTM 3004 100ms/div. Channel 4 - ring beam charge: timestamp: 2026-04-03_14:31:33.541 MeanCH4 = 9.711800E-02
 StdCH4 = 3.114028E-03
 VppCH4 = 1.617000E-02

7h50 : mise en chauffe en remote (frigo/chillers, modulateur, laser, cyclage)
09h30 HV is ON

10h23 Energy = 61.5 MeV, Laser Phase 39 dg., Sect. Phase 225 dg., Sect. Att. 0.952 dB, I_Gun -78.1953 pC, I_Linac -122.7687 pC, I_TL -102.6104 pC RF_Ampl. 148.7161 kV, RF_Phase -45.5 dg.
 

*** Mesure Monochromateur 61.5MeV ***

* angle initiale mono : Ry_mono(0) = -0.1° (ajouté aux valeurs d'angles pour la position moteur)

* Position fentes initiale [-19;-16]

Point On Axis :

   - Angle Mono 1.5° --> position RSample : 3.5°

  - Angle Mono 1.6° --> position RSample : 3.7° 

  - Angle Mono 1.7° --> position RSample : 3.9°

   - Angle Mono 1.8° --> position RSample : 4.1°

H +30mm (position hexapod TX = -12):

   - Angle Mono 1.8° --> position RSample : 3.7°

   - Angle Mono 2° --> position RSample : 4.1°

H +40mm (position hexapod TX = -23):

   - Angle Mono 1.8° --> position RSample : 3.6°

   - Angle Mono 2° --> position RSample : 4°

H -30mm (position hexapod TX = 53):

   - Angle Mono 1.5° --> position RSample : 3.9°

   - Angle Mono 1.6° --> position RSample : 4.1°

   - Angle Mono 1.8° --> position RSample : 4.5°

H -40mm (position hexapod TX = 64):

   - Angle Mono 1.5° --> position RSample : 4°

   - Angle Mono 1.6° --> position RSample : 4.2°

   - Angle Mono 1.8° --> position RSample : 4.6°

V +30mm (position hexapod TX = 21, TY : 30):

   - Angle Mono 1.5° --> position RSample : 3.5°

   - Angle Mono 1.6° --> position RSample : 3.7°

   - Angle Mono 1.8 --> position RSample : 4.1°

V -30mm (position hexapod TX = 21, TY : -30):

   - Angle Mono 1.5° --> position RSample : 3.5°

   - Angle Mono 1.6° --> position RSample : 3.7°

   - Angle Mono 1.8 --> position RSample : 4.1°

*** Images pilatus (thershold 30keV) ==> position On Axis, avec Rsample = 2°

1.8° :

452 (expo 2s), 453 (expo 5s), 454 (expo 10s), 455 (expo 20s)

1.5° :

456 (expo 20s), 457 (expo 20s), 458 (expo 10s)

2° :

459 (expo 20s), 460 (expo 20s), 461 (expo 30s), 465 (expo 20s)

*** Re-reglage streak camera (car completement dereglee)

longueur paquet : 40 ps fwhm (idem injection et apres injection)

8h10 : mise en chauffe en remote (frigo/chillers, modulateur, laser, cyclage)

09h12 HV is ON

recipe_recipe_TL_all_20260408_17_18_54.txt loaded
10h25 Energy = 50 MeV, Laser Phase 76 dg., Sect. Phase 224 dg., Sect. Att. 2.52 dB, I_Gun -95.9713 pC, I_Linac -118.9236 pC, I_TL -16.394 pC RF_Ampl. 148.7161 kV, RF_Phase -35 dg.

datetime(datestr(TimeNum(1),'yyyy-mm-dd_HH:MM:SS.FFF'),'InputFormat','yyyy-mm-dd_HH:MM:ss.SSS','Format','yyyy-mm-dd_HH:MM:ss.SSS')

7h40 : mise en chauffe en remote (frigo/chillers, modulateur, laser, cyclage)

08h43 HV is ON

recipe_recipe_LI_TL_RI_all_20260409_17_07_05.txt loaded

09h00 Energy = 50 MeV, Laser Phase 63 dg., Sect. Phase 217 dg., Sect. Att. 2.49 dB, I_Gun -86.2367 pC, I_Linac -110.0622 pC, I_TL -100.1516 pC RF_Ampl. 48.9051 kV, RF_Phase -35 dg.

09h25 standby, adding SF6 pressure

09h33 HV

10h43 Energy = 50 MeV, Laser Phase 116 dg., Sect. Phase 233 dg., Sect. Att. 2.45 dB, I_Gun -90.9374 pC, I_Linac -114.4855 pC, I_TL -104.2454 pC RF_Ampl. 148.7161 kV, RF_Phase -32 dg.

17h01 Energy = 50 MeV, Laser Phase 97 dg., Sect. Phase 240 dg., Sect. Att. 2.406 dB, I_Gun -100.3151 pC, I_Linac -127.6278 pC, I_TL -114.2449 pC RF_Ampl. 148.7161 kV, RF_Phase -41 dg.
 

8h05: mise en chauffe à distance (frigo/chillers, modulateur, laser, cyclage)

*** Programme : Mesure spectre angulaire @40MeV

Matin : probleme de stockage faisceau 40 MeV
Demarrage prise de donnees : ~ 15h       -     Flux ~ 1500 (I3+I4) 

16h50 Energy = 40.2 MeV, Laser Phase 47 dg., Sect. Phase 218 dg., Sect. Att. 4.091 dB, I_Gun -125.8969 pC, I_Linac -158.2249 pC, I_TL -140.5174 pC RF_Ampl. 148.7161 kV, RF_Phase -41 dg.

7h30 : mise en chauffe en remote (frigo/chillers, laser, modulateur, cyclage) ==> dipôles non cyclé (en défaut) ==> défaut acquité et cyclage fait.

8h20 : intervention sur le laser PC. Le shutter de la salle laser était resté bloqué. Le faisceau semble revenu à la normale. 

image laser sauvées dans le dossier du jour. (puissance laser PC en entrée de ligne de transport 105uJ).

==> impossible d'ajouter des images sur le e-log (erreur 413 entity too large). 

09h39 HV is ON

10h02 Energy = 50 MeV, Laser Phase 61 dg., Sect. Phase 218 dg., Sect. Att. 2.355 dB, I_Gun -99.4692 pC, I_Linac -102.9732 pC, I_TL -113.2398 pC RF_Ampl. 0 kV, RF_Phase -36 dg.

Can not start the RF cavity because of the intetlock.

10h45 Scan phase charge for the RF gun att. [0 2 3 6] dB

12h25 Energy = 50 MeV, Laser Phase 53 dg., Sect. Phase 217 dg., Sect. Att. 2.456 dB, I_Gun -100.0525 pC, I_Linac -124.744 pC, I_TL -113.9338 pC RF_Ampl. 97.6562 kV, RF_Phase -45 dg.

16h16 Energy = 50 MeV, Laser Phase 45 dg., Sect. Phase 221 dg., Sect. Att. 2.42 dB, I_Gun -101.3927 pC, I_Linac -127.0728 pC, I_TL -115.2858 pC RF_Ampl. 148.7161 kV, RF_Phase -46.5 dg.
At around 5:30 p.m., the modulator and magnets stopped, likely due to cooling water problems. message was sent to Dalkia 5:45.

9h30 test radioprotection OK (mesure en dessous du bruit de fond)

13h30 fenetre installée pompage en cours

14h fin de l'intervention

Demarrage machine 8h40

pB reflechi canon... temp consigne 27.7C

10h50 redemarrage chiller gun ... 

Attenuateur laser 305mm

pB chiller section redemarrage.

Att section 2.24dB phase 232° dipole 158.6A

camera TLSST03 déconnectée du réseau

Timing SST TL 3 retard -6.66µs au lieu de -16µ

réseau très lent

arret machine 17h