FILL 9911
Summary
start: July 18, 2024 03:21:41 AM UTC
end: July 19, 2024 12:03:23 AM UTC
duration: 0 days 20:41:42.034000
tags:
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PHYSICS
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OP_DUMP
comments:
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2 h SY-ABT conditioning at the start of the fill for MKD B2 flashover
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LHCb changed polarity (several settings of the lumi-server changed accordingly)
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B1H blowup for first 72b due to poor orbit
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Losses at 55% at start of ramp
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More than 18 h of B1 at the end of collapse
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Performed b* levelling in steps and re-optimized IP8 along to implement FF after polarity reversal
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Almost 95% of dump to dump losses in IR3 RS12 for B1
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Tested Qp back to 10 to check effect on IR3 losses during blow-up: no effect
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At the end of the fill, target bunch lentgh was also reduced from 1.25 to 1.22 ns (not strong conclusion there)
Cycle duration
Beta-functions at the IPs
Crossing angles
Octupoles
Trims
Tune trims
Chromaticity Trims
Intensity
Cycle intensity
BBB SB intensity
Violin BBB intensity
SB bunch intensity
Bunch Length
Bunch Length Fill
Emittance
B1 along the cycle
B2 along the cycle
Emittance growth at injection
Summary violin plot
BBB in SB for B1
BBB in SB for B2
Bunch brightness
Beam properties summary
Luminosity
Overview
Luminous Regions
BBB luminosity in SB
Cross-sections
ADJUST
STABLE BEAM
