08h22 ThomX was started: modulator, frig, laser

08h28 Chillers was started, all magnets cycling

09h45 HV is 'ON'

There was a problem with the section phase shifter motor. It was fixed by moving the motor a lot.

11h11 RF Gun phase is 149.6 dg., Sect. phase is 207 dg., Att. is 2.77 dB. TL/BPM2 X=0.9 mm. Linac steerers: H [0.54 -2.76], V [-2.29 2.61], -36 pC, -36 pC, -39 pC, RF cav. at 50 kV, phase 21.0 dg. TbTSum in the ring about 2e7

13h0.5 TL optics was set to MADX simulated one. After adjusting the DPI and the septum, charge in the ring and X ray flux did not change. (receipt 20250502_13_04) RF Cav. at 150kV, phase 13.5 dg

13h20 dispersion measurement in the TL

15h38 New lattice loaded, injection was adjusted as well as the ring elements a little bit.

17h00 ThomX was stopped

Start chauffage 9H

There were some problems: the phase section motor was in the wrong position, although the readings were normal; The rear door of the septum power supply was not fully closed.

12h04 Beam is in the ring, RF cav. at 50 kV, phase is 22.5 dg., the receipt from 17/04/2025 12:31 for the ring.  RF gun phase is 153.6 dg. Sect Att. is 2.74 dB, Sect. phase is 211 dg. Receipt saved to referenses folder with MSRV mark

** Recherche point image camera MRSV

Deplacement vertical camera par pas d'environ 5 mm  - Mesures des fwhm X et Y camera

12h15 Modulator has been put into standby mode: access to the bunker.
12h45 HV is 'ON' RF gun phase was set to 143.6 dg. Sect phase was set to 208 dg. Charges: -41 pC, -41 pC, -45 pC, Ring TbTsum about 2e7
13h55 Modulator has been put into standby mode: access to the bunker.
14h13 HV is 'ON'
14h16 Modulator has been put into standby mode: access to the bunker.
14h29 HV is 'ON'
14h35 Modulator has been put into standby mode: access to the bunker.
14h49 HV is 'ON'
15h00 Modulator has been put into standby mode: access to the bunker.
15h15 HV is 'ON'
15h22 Modulator has been put into standby mode: access to the bunker.
15h38 HV is 'ON'  RF Gun phase is 144.6 dg.
15h46 Modulator has been put into standby mode: access to the bunker.
16h06 HV is 'ON'
16h27 Modulator has been put into standby mode: access to the bunker.
16h46 HV is 'ON'

==> cf screenshot des trends fwhm X et Y MRSV
       Points notes sur brouillon par Daniele, a fitter avec une parabole pour determiner les 2 minima X et Y (astigmatie)
       Data des trends : MRSV_fwhm_X.dat et MRSV_fwhm_Y.dat dans data/shared

** Verification avec le laser des axes X et Y pour voir s'ils ne sont pas inverses

16h52 Modulator has been put into standby mode: access to the bunker.

Les axes X et Y MRSV sont bien les axes reels X et Y
Cf screenshots : total_beam, coupe_moitie_basse, coupe_moitie_haute

** Test de la procedure de calibration de la cam MRSV

17h28 HV is 'ON'

Position verticale faisceaux sur les 2 bpm autour du dipole :
     1) nominal MRSV  
     2) +0.8
     3) +1
     4) retour nominal MRSV
==>  La positon verticale sur MRSV varie bien comme on l'attend
        C'est reproductible  ==> Calibration a faire avec la camera en position image
 

17h42 Stop ThomX
 

Demarrage ACQ pour ML 

Random : Phi_GUN, Phi_Section, ST1, ST2, Solenoid, QP1, QP2, QP3 
Mesures : BPM1, BPM2, Charge, Laser, YagTL, Intensité Ecran 

data --> /data/shared/commissioning_scripts/Data/data/data_linac_29_04_2025/

Section best phase : 207 

Stop ThomX : 19:10  

Position moteur actuels (on ne les vois pas dans le log du shift Sophie/Vincent)

Col-01 Mot-01 : 1.213

Col-01 Mot-02: 3.502 

Col-02 Mot-01 : 11.823

Col-02 Mot-02 : -5.429f

On remet les anciennes valeurs de ref. 

 LI/AE/COL.01-MOT.01 = 0.783 mm; 
      LI/AE/COL.01-MOT.02 = 3.427 mm; 
      LI/AE/COL.02-MOT.01 = 10.451 mrad ; 
      LI/AE/COL.02-MOT.02 = -4.359 mrad; 

Données pour comparer le transport Linac dans /data/shared/commissioning_scripts/Data

08h21 Thomx Started: modulator, frig, laser

08h27 Chillers started, cycling all magnets

09h32 HV is 'ON'

09h34 Cannot control the section attenuator

09h50 The issue with the section attenuator was fixed: its server was shut down and restarted, but it was set to 0 dB!!

11h17 RF Gun phase 171 dg., Sect phase is 211 dg. Att. 2.62 dB, TL/BPM2 X=2mm, Charges (from BPMs at Att. 31 dB): -77pC, -77pC, -86pC . Linac steerere: H [1.03 -3.47], V [-1.88 2.63]

Contradictions with ICTs:  -87 pC, -73 pC, -80 pC

Beam in the ring

11h40 RCDS on injection receipt all_20250418_11_39_40, RF cav. at 100 kV, phase 16.5 dg., screanshots

12h03 Linac was reajusted. RF Gun phase is 166 dg., sect. phase is 210 dg. Att. 2.58 dB, TL/BPM2 X=3 mm RF cav. 100 kV, phase 13.5 dg. screenshots

12h10 Ring dipoles were changed from 160.4 A to 159.3 A, ring quads were adjusted and tune as well was set back to 0.17. TL/BPM2 X = 0. Screenshots 

12h25 RF Gun phase was adjusted to 161 dg.

15:24 Initial Synchro delay for streak camera: -6.60us. Injection at delay of +99.3e3us

Measurements incuding single shots

Study of the injection and of long decays with the streak camera, cf images. Horizontal scale is 2ms, vertical scale is 600ps.

Operating the streak camera create instabilities on the ring 500MHz that may cause phase problems.

16h47 RF Gun phase is 149 dg. RF cav. was at  200 kV, phase 10.5 dg.

17h26 Stop thomx

08h15 Start Thomx: modulator, frig, laser

08h21 Chillers started, all magnets cycling

Filesystem very slow

Allarm vacuum valve are in alarm

RAC.17-RDP.01 still faulty

09h38 HV is 'ON'

10:15 Calc DS for attenuators was crashed. It restarted at 0dB attenuation...

12:43 SR on target with Iris closed

Alignemnt...

17:30 Measurement of the bunch length in the ring  ~140ps

Mesures du jour : prendre des images pour refaire le calcul d'émittance en tenant compte des corrélations pour reconstruire le 4D du faisceau.
 

2 alignements :

Alignement : triplet quads

ST1[H,V] = [0.75 , -2.36]
ST2[H,V] = [-2.91 , 2.68]

Alignement Section : Post ID 1002 

str1H 1.64
str1V -1.94
str2H -3.77
str2V 2.87

1 - nous avons verifié notre point de fonctionnement, via un soleno scan pour differents alignements. Le vertical a toujours un soucis à basse valeur de soleno. La variation de l'iris ne change pas le soucis.

2- Quad Scan : nouveau script pour sauvegarder les images. Quad_scan_save_img.py : données pour alignement section

17:30 fin

8h10 : mise en chauffe de la machine à distance (modulateur, chiller/frigo, cyclage)

* redémarrage des DS client5

* impossible de lancer le laser (il faut intervenir en local)

*  8h40 Timing opérationnel à 10Hz

* 

demarrage chauffage 8hh50

faisceau sur Yag 1 depuis 1heure....

le script d'alignement solenoide est introuvable!!!!! 

alignement laser photocathode

position laser:

H 4.282
V 3.326

nouvel alignement réalisé avec le script alignsolenoCBV5

valeurs départs

      LI/AE/COL.01-MOT.01 = 0.783 mm; 
      LI/AE/COL.01-MOT.02 = 3.427 mm; 
      LI/AE/COL.02-MOT.01 = 10.451 mrad ; 
      LI/AE/COL.02-MOT.02 = -4.359 mrad; 

optimisation B entre 0 150A 

vérification sur B 50 230A 

LI/AE/COL.01-MOT.01 = 1.103 mm; 
      LI/AE/COL.01-MOT.02 = 3.28 mm; 
      LI/AE/COL.02-MOT.01 = 11.846 mrad ; 
      LI/AE/COL.02-MOT.02 = -4.973 mrad; 

9h : mise en chauffe en remote (frigo/Chiller, Modulateur, laser, cyclage)

*** programme ***

 - alignement du rayonnement synchrotron et mesure longueur de paquet dans l'anneau.

 - mise en place de la visu du MRSV

17h13 50 MeV. Receipt  from 20250313_17_59_00 (Storage X ray 40k pA ) loaded, but Linac steerers set to H [0.73 -2.82], V [-2.5 2.92], RCDS on injection. Saved as 20250410_17_32_06.

RF gun phase is 235 dg., Sect. phase is 222 dg., Att. is 2.4 dB. TL/BPM2 X= 3.5 mm, tunes are: H 0.165, V 0.526

18h49 Stop ThomX

10h10 : mise en chauffe machine (frigo/chiller, modulateur, laser) + remise de SF6

recette sauvé pour 7MeV jusqu'à TL/SST.03, phase section 53° @34dB (canon energie max @ 3dB)

==> il faut jouer sur le klystron car trop de puissance RF dans la section (atténuation max ~38dB @ 2460pas)

**** Programme ****

Transporter le faisceau à 5MeV en bout de LE (pour manip ONERA)

8:59 Mise en chauffe

9:15 Installation laser alignement SR

10:30 Problem Astor et Jive (see screenshot)

Recipe loaded: LI_TL_RI_all_20250402_13_31_23

Adjust orbit

Recipe saved: LI_TL_RI_test_20250404_12_25_21

12:10 Beam stored

Adjust iris position to take into account new ring size.

Problem with controlled access...

14:57 Alignment of the iris OK

15:30 Access to install lenses

17:30 Optimise mens for SR

18:00 Stop beam

9h: mise en chauffe machine en remote (Modulateur, frigo/chiller, laser, cyclage aimants).

9h: mise en chauffe machine depuis bureau (Modulateur, laser, frigo/chiller, cyclage aimants)

Problème sur les Dipôles TL et EL (erreur à acquitter sur place)
Erreurs acquittees

Pas de timing (oscillo plat diode chassi synchro eteinte) - Appel Vincent - J'attends qu'il passe .....
11h30 Fixed frequency and trigger issue - Probleme resolu (bouger frequence dans panneau cavite RF ...)

Modulateur ON

11h59 RF gun phase is 222 dg. Sect. phase is 205 dg., Att. 2.534 dB, linac steerers H [0.75 -2.88], V [-3.36 2.8], Charges: -91 pC, -90 pC, -100 pC

12h05 The beam passed to the ring after the DP ring power supply was reset. Receipt from 20250321_12_30_52.

Problem with RF Cav. interlock - Appel Mohamed
12h40  The “Start RF” button does not start the RF cavity power supply, fixed by restart RF cavity PID

13h15 Beam in the ring, RF gun phase is 222 dg. Sect. phase is 209 dg., Att. 2.47 dB, Charges: -93 pC, -92 pC, -102 pC, RF cav. at 150 kV, phase 24 dg. Freq. 500.10051 MHz, manual shifter 3087, ring chrge stability: 2.4% rms during 220 s 

Pb signal synchro cavite FP
14h11 The modulator set to 'Standby' the RF cavity stoped.
14h30 Access to the bunker - pb fixed

14h42 HV is 'ON' 

14h57 RF Gun phase is 217 dg., Sect. phase is 209 dg.  RF Cav. 150 kV, phase 22.5 dg., Freq. 500.10051 MHz, TL/BPM2 X= 4 mm

X-rays vers 15h30-16h

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

Programme shift 02/04

A 50 MeV :

** Prendre un spectre en mode SYNCHRO
** Prendre un spectre en mode DESYNCHRO
      - completement desynchro = sans aucun pics
      - sans changement des conditions anneau)
        (le but est de voir si c'est sensiblement different ou non)

FAIT - cf pj  ( ...... ??? a expliquer ...)

** Calibration positions fente 2 vs hexa echantillon

** Demarrage commissioning transfocateur avec camera photonic science
         Pas demarre

5h45 Stop ThomX

08h42 Start ThomX: Morulator, firg, laser

08h47 Chillers, cycling all magnets

10h40 HV is 'ON'

10h58 RF Gun phase is 225 dg. Correctors H [0.82 -3.05]; V [-3.1 3.28], Sect phase is 220 dg., Att. 0.975 dB, Charges: -95 pC, -94 pC, -103 pC

11h12 Beam in the ring RF cav. at 50 kV, phase -34.5 dg.,  receipt from good 20250331 18:08:02

11h25 Interlock by Radioprotection in the laser room

11h48 Fixed by Atanas, HV is 'ON', RF gun phase is  220 dg., Sect. phase is 224 dg. Linac correctors H [0.82 -3.05]; V [-3.29 3.19],

12h06 emittance measurements by QP3, QP1 and QP2 at zero hor. 3.3 mm*mrad, vert. 2.9 mm*mrad

12h19 beam in the ring TL/BPM2 X=0 mm

13h20 Going to 40 MeV. Sect. Att. set to 4.095 dB, Sect. phase is 205 dg. TL/DP current set to 125.38 A, Linac steerers H [1.19 -3.25], V [-3.05 3.47]

RF cavity 50 kV, Freq=500.11896 MHz

16h42 RF cav. at 100 kV, Phase -7.5 dg. receipt 20250401 _15_25_35, RF Gun phase 219 dg. Sect. phase 201 dg. Att. 4.084 dB, TL/BPM2 X=4.5 mùm

17h16 Stop ThomX

Freq. for RF Cav. set to 500.10051 MHz (should be 500.10045 MHz)

08h00 ThomX started by Maher

09h50 Problem with vacuum in the septum. TL-V3 and EL-V1 are closed.

ThomX configuration changed to 'Linac'.

0955 Laser is 'On'

10h03 Problem with vacuum was fixed. ThomX configuration changed to 'ThomX'.

10h05 Cycling all magnets

10h10 HV is 'On'

10h20 From time to time TO-V3 and EL-V1 close. Septum vacuum is 2.6e-10

Septum power supply is interlocked

10h55 , RF gun phase is 235 dg., Sect. phase is 216 dg., Att. = 2.38 dB, TL/BPM2 X=0.2 mm , Charges: -91 pC, -90 pC, -98 pC, Linac steerers: H [0.84 -2.88], V [-2.47 2.8], receipt from 20250321 12:30:52

11h27 V6 interlocks

11h49 RF gun phase is 225 dg., Sect. phase is 209 dg., Att. = 2.46 dB, TL/BPM2 X=0.2 mm

12h46 to 13h10 Emittance measurements at 50 MeV

13h Problem with Pulsed Elements => fixed by Kevin and Maher

13h30 Tuning of the linac for 70 MeV, emittance measurements.

14h Check the machine at 50 MeV

15h25 The modulator at standby mode. Access to the bunker.

15h45 61.5 MeV receipt from 14/02/2025

Synchronization problem,

17h00 RCDS on injection

17h19 RF Gun phase is 224 dg., Sect. phase 221 dg. Att. 0.975 dB, Charges: -107 pC, -105 pC, -115 pC. TL/BPM2 X=1 mm, RF cav. 100 kV, phase -34 35 dg. manual phase sfifter 7809, phase shifter to measure amplitude 6759. Receipt 20250331 17:12:34

09h45 Problem with vacuum in the septum. TL-V3 and EL-V1 are closed.

10h03 Fixed!

10h22 From time to time TO-V3 and EL-V1 close. Septum vacuum is 2.6e-10

12h47 Mise en chauffe modulateur

Zone de stockage en rouge

Mise en route frigo, chillers : ok

Kickers en défaut, kicker extraction sera remis en route lundi matin

Laser ok

Faisceau ok

16h17 fin des tests, tout est ok cote canon pour aujourd'hui

Det Photonic fond de la X-hutch

• Tomo : un kiwi sur hexa echantillon
• 2D : Fil de pêche sur hexa mono – Single shot
• 2D : Fil de pêche 
        fente1 (table 1) ouvertes x=2mm / y=0.22 ==> petit carré centré sur le croisement des fils

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

Vers 14h30 : micro-coupure de courant EDF ==> tout HS
Vers 16h Redemarrage

- Mesure flux absolu diode calibrée posée sur hexa échantillon à 16 cm du centre (vers IP)
      ==> Vers 16h30 : 2.2 10^10 ph/s

- Pas eu le temps d'aligner/fermer les fentes 2 pour prendre un spectre on-axis :-(

08h38 There is problem with the Linac modulator

08h55 Fixed with Maher help