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Message ID: 1118     Entry time: Thu Sep 11 11:12:36 2025
 Author: IC, VM 
 Status:  
 Type:  
 Category: Ring 
 Important:
 Subject: BBA 
 Icon:  

8h50 Thomx warmup

10h20 HV is 'ON'

RF Gun phase is 254 dg. Sect phase is 243 dg. Sect. Att. 0.119 dB, Charges: -112 pC, -113. pC, -140 pC. Linac steeres: H [1.00 -3.49], V[1.92 2.13]

11h00 Beam is in the ring. Receipt 70 MeV from references BPM TL2 X=-1 mm

11h30 HV went standby. Maher fixed it.

11h32 HV is 'ON'

BPM transmission does not work properly (see screenshot)

Good storage at 70 MeV with the receipt.

Laser phase adjustment during the shift a few times

Work on the BBA at 70 MeV

For this, measurement of the ORM. There is a differennce with the model ORM. Attempts to tune the ring from the model. Work should be continued.

Due to this, only manual BBA can be done at the moment.

Starting also to adress the manual BBA in the TL. We used HCOR2 and QP5 and TL BPM.03. The results are not clear (big element-to-element distances). To be continued.

18h STOP THOMX

 

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