Accelerator mode changed to: SHUTDOWN

Comments (05:52:15) So long LHC and thanks for all the collisions! Let’s follow the road to HiLumi LHC

Comments (05:51:37) End of Run 3. So long, and thanks for all the collisions! Preparing for QUENCH test campaign

Comments (05:48:16) END of HI tests Preparing for QUENCH test campaign

Comments (05:47:14) END of HI tests

Comments (04:23:13) 8b4e 900b to 3 TeV

Comments (03:45:38) 8b4e 1800b at injection

Comments (23:27:48) 8b4e 1900b at injection

Comments (23:27:22) 8b4e at injection

Comments (21:45:10) 2x72b to 6.8 TeV starting octupole decrease

Comments (19:44:00) 2x72b to 6.8 TeV

Comments (18:54:11) 2x72b to 6.8 TeV PS 80 MHz cavities came back but POPS tripped

Comments (18:03:56) 2x72b to 6.8 TeV starting precycle

Beam Post Mortem: PM timestamp: Fri Jun 26 14:40:22 CEST 2026 PM event category: PROTECTION_DUMP PM event classification: MULTIPLE_SYSTEM_DUMP PM comment: Bad beam quality from injectors leading to large losses when injecting 144b

Comments (15:40:09) 2x72b to 6.8 TeV PIC issues, access started in UA87 patrol lost in P8

Comments (15:06:30) 2x72b to 6.8 TeV PIC issues, access required in UA87

Beam Post Mortem: PM timestamp: Fri Jun 26 11:21:16 CEST 2026 PM event category: PROTECTION_DUMP PM event classification: MULTIPLE_SYSTEM_DUMP PM comment: RF not holding in B1 and large debunching during ramp

Comments (10:44:54) 2x72b to 6.8 TeV

Beam Post Mortem: PM timestamp: Fri Jun 26 09:06:12 CEST 2026 PM event category: PROTECTION_DUMP PM event classification: MULTIPLE_SYSTEM_DUMP PM comment: UFO in Q5R5 inducing high losses on TCTPH.4R5.B2

Comments (09:08:35) Next: 2x72b

Comments (07:54:37) 2748b (5x48b) in B2 to 6.8 TeV 670 MJ stored beam energy! NO MORE COLLISIONS FOR RUN3

Comments (07:18:40) 2748b (5x48b) in B2 to 6.8 TeV NO MORE COLLISIONS FOR RUN3

Comments (05:46:17) waiting for MKI2 vacuum next: 2748b (5x48b) in B2 to 6.8 TeV NO COLLISIONS OVERNIGHT

Beam Post Mortem: PM timestamp: Fri Jun 26 05:10:32 CEST 2026 PM event category: PROGRAMMED_DUMP PM event classification: OPERATOR_SWITCH PM comment: high intensity test: 2748b @ 2.25e11 at 6.8 TeV, ~666 MJ stored beam energy!

Comments (05:11:24) next: 2748b (5x48b) in B2 to 6.8 TeV NO COLLISIONS OVERNIGHT

Comments (01:27:57) 2748b (5x48b) in B1 to 6.8 TeV NO COLLISIONS OVERNIGHT

Beam Post Mortem: PM timestamp: Fri Jun 26 00:40:16 CEST 2026 PM event category: PROGRAMMED_DUMP PM event classification: OPERATOR_SWITCH PM comment: high intensity test: end of 2100b validation fill

Comments (00:41:03) next: 2748b (5x48b) in B1 to 6.8 TeV NO COLLISIONS OVERNIGHT

Comments (22:12:45) cycle of 2000b (4x36b @ 2.3e11) for validation NO COLLISIONS OVERNIGHT

Comments (21:41:57) awaiting green light from CRYO to resume filling Next: cycle of 2000b (4x36b @ 2.3e11) for validation NO COLLISIONS OVERNIGHT

Comments (21:32:53) CRYO issue in Pt6 expert investigation NO BEAM TILL 21:30 Followed by cycle of 2000b (4x36b @ 2.3e11) for validation

Comments (20:44:13) AGK setup at injection CRYO issue in Pt6 expert investigation NO BEAM TILL 21:30 Followed by cycle of 2000b (4x36b @ 2.3e11) for validation

Comments (19:39:22) AGK setup at injection CRYO issue in Pt6 expert investigation Followed by cycle of 2000b (4x36b @ 2.3e11) for validation

Comments (18:32:54) Next: AGK setup at injection Followed by cycle of 2000b (4x36b @ 2.3e11) for validation

Beams dumped, end of fill 12014. Stable beams lasted 47 minutes. Delivered luminosity: ATLAS: 38.7 pb⁻¹, CMS: 41.7 pb⁻¹

Comments (18:17:09) Preparing for dump

Comments (16:24:35) 6.8 TeV ramp with 1700b @ 2.3e11 Preparing for ADJUST in view of EOF scraping

Comments (15:40:38) 6.8 TeV ramp with 1700b @ 2.3e11 enough data accumulated with NO colisions Colliding in all IPs

Comments (15:17:10) 6.8 TeV ramp with 1700b @ 2.3e11 1h in ADJUST with all IPs separated NO collisions during this time

Comments (15:13:02) 6.8 TeV ramp with 1700b @ 2.3e11 NO 1h at flat-top collisions in all IPs

Comments (06:30:00) next: 6.8 TeV ramp with 1700b @ 2.3e11 ~1h at flat-top, then collisions in all IPs

Comments (04:53:40) SPS recovering from injection kicker spark time estimate: ~1h next: 6.8 TeV ramp with 1700b @ 2.3e11 ~1h at flat-top, then collisions in all IPs

Comments (04:49:10) end of RF MD cleanup & MKB conditioning SPS recovering from injection kicker spark time estimate: ~1h next: 6.8 TeV ramp with 1700b @ 2.3e11 ~1h at flat-top, then collisions in all IPs

Comments (04:42:55) end of RF MD cleanup & MKB conditioning SPS recovering from injection kicker spark next: 6.8 TeV ramp with 1700b @ 2.3e11 ~1h at flat-top, then collisions in all IPs

Comments (22:48:41) RF MD 4x72b @ 2.3E11

Comments (21:20:55) NO BEAM from PS (RF piquet needed on site) BLM Blinding activity stopped Next: RF MD 4x72b @ 2.3E11

Comments (18:22:49) BLM Blinding MD

Comments (13:46:02) Attempt 4x72b 2.3E11 injection

Comments (13:45:49) Attempt 4x72b injection

Beam Post Mortem: PM timestamp: Wed Jun 24 10:48:54 CEST 2026 PM event category: PROTECTION_DUMP PM event classification: MULTIPLE_SYSTEM_DUMP PM comment: BSRTM limits were not updated when switching HC to 6.8TeV