proton plan pmg 7/26/07 e prebys 1 proton plan status june eric prebys
TRANSCRIPT
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Proton Plan PMG 7/26/07 E Prebys 1
Proton Plan StatusProton Plan Status June June
Eric Prebys
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Proton Plan PMG 7/26/07 E Prebys 2
• Shutdown Schedule – Mau• Operations - Prebys• Technical Progress – Prebys
Focus on shutdown preparation
• Cost/Schedule Report – Baller
AgendaAgenda
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Proton Plan PMG 7/26/07 E Prebys 3
Operations
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Operational HighlightsOperational Highlights
• NuMI Great until 2nd horn problem knocked them off the
air
• MiniBooNE/SciBooNE Will ~hit design goal for the fiscal year in spite of
three month down time!
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NuMINuMI
Dotted lines are 2.4 second rep rate
Now this is a coincidence
Oops!
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MiniBooNE/SciBooNEMiniBooNE/SciBooNE
• Good running plus delayed shutdown => both beamlines ~hit their design goals for the fiscal year in spite of mistakes, unforeseen problems, etc.
No sense letting all the NuMI protons just sit there
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Total Booster Output Total Booster Output
Operations smoothly switches NuMI’s protons to BNB
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Technical Status
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Significant Activity Since Last PMGSignificant Activity Since Last PMG
• (1.1) Linac (1.2.2) Quad Power Supply Upgrade
• Continues adiabatically
(1.2.4) Linac LLRF Upgrade• Prototype FPGA board working and being used for tests• Unlikely to finish job during shutdown
– Goal: Complete at least station 5 and all prep work (VXI crates, etc) for other stations.
– Adiabatically upgrade remaining stations as hardware appears.
• (1.2) Booster Magnets, magnets, magnets
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Magnet Production (as of yesterday)Magnet Production (as of yesterday)
completebottleneck
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Latest Delivery ScheduleLatest Delivery Schedule
• Will not delay installation• Does not free up technicians until well into the shutdown
Date Magnets Available
August 3 10
August 10 11
August 17 13
August 24 15
August 31 19
September 7 23
September 14 26
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Prototype InstallationPrototype Installation
• All power supplies and water connected• Pulsing (hard) on beam off cycles• Proceeding with beam tests
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Main Injector ActivityMain Injector Activity
• (1.3) Main Injector (1.3.2) MI Collimation Systems
• Ring:– All collimators assembled in MI-65– Motion control tested– Ready for shutdown
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Assembled CollimatorAssembled Collimator
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Cooldown?Cooldown?
• Current Estimate: 530 mRem/person!• Propose turning MiniBooNE/SciBooNE off one week
before shutdown
Average Normalized Dose vs Cool Down
0.0
0.2
0.4
0.6
0.8
1.0
1.2
0 10 20 30 40 50 60
Days since Beam
Data Single Exponential Double Exponential
One week