LHC Status
@lhcstatus2
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Automatic tweets about the operation of the Large Hadron Collider #LHC. Not CERN official. @[email protected] https://t.co/NMIY0WKAmx
Joined October 2017
Comments (14:56:33) Point 8 QURQA (cold compressor) tripped.expected downtime > 5h.exp. access possible in the shadow, call CCC.Investigation ongoing, more news asap.
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Comments (14:18:35) Point 8 QURQA (cold compressor) tripped.Investigation ongoing, more news asap.
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Beams dumped, end of fill 10922. Stable beams lasted 2hrs 33min. Delivered luminosity: ATLAS: 195.9 pb⁻¹, ALICE: 80.2 nb⁻¹, CMS: 196.6 pb⁻¹, LHCb: 19.1 pb⁻¹.
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Comments (13:53:52) Dumping the beam due to cryo issue.Investigation ongoing, more news asap.
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Comments (11:30:06) STABLE BEAMS.IP1, IP5 B* + sep. lev. IP2, IP8 sep. lev. XRPs IN.
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Comments (08:11:59) CMS urgent access.No beam before 9:30.Next: Physics fill.
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Beams dumped, end of fill 10921. Stable beams lasted 12hrs 53min. Delivered luminosity: ATLAS: 948.6 pb⁻¹, ALICE: 402.2 nb⁻¹, CMS: 863.6 pb⁻¹, LHCb: 96.6 pb⁻¹.
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Comments (07:44:15) End of fill emittance scan IP1, IP5.Dump ~8am for CMS urgent access.Next: Physics fill.
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Comments (06:41:10) Dump planned at 8am.for CMS urgent access.
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Comments (06:32:52) Dump planned at 7am.for CMS urgent access.
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Comments (04:20:19) *** STABLE BEAMS ***.IP1&5 head-on.IP2&8 on target.
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Comments (00:56:16) *** STABLE BEAMS ***.IP5 separated by 4 sigma.all other IPs on target.
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Comments (19:31:37) *** STABLE BEAMS ***.beta* levelling ramp-up.
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Comments (19:14:05) *** STABLE BEAMS ***.preparing levelling.emittance scans.
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Comments (03:16:28) Beams dumped by QPS issue with RSD1.A45B2,.access ongoing in UA47. breaker replaced, performing tests.NEXT: fill for physics.
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Comments (02:06:54) Beams dumped by QPS issue with RSD1.A45B2,.access ongoing in UA47.NEXT: fill for physics.
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Comments (01:13:35) Beams dumped by QPS issue with RSD1.A45B2,.MPE piquet needs access in UA47.NEXT: fill for physics.
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