Advanced Particle Accelerator Project Updates

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“All our final decisions are made in a
state of mind that is not going to last.”
 
DR BTR Close Out
 
 
 
The TDR Baseline
 
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5 Hz “standard running” nb = 1312 bunches
10 Hz “alternate mode” nb = 1312 bunches
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5 Hz running with nb=2625 bunches
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baseline: two rings (electron / positron) space +
mandatory CFS support for a third
luminosity upgrade: construct second e+ ring (if
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Already decided TLCC
 
 
 
The TDR baseline
 
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electron ring vacuum likely to diverge
design work focus on positron ring (resources)
do some simulation work for e- ring (tune footprint)
Evaluate cost-breakdown for e+ ring vacuum
solution once available
what can we leave out for e- ring
 
 
 
 
TDR Baseline
 
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Needs update
See next slide
 
based on Guiducci presentations from BAW-2 and ALCPG’11
 
 
 
DTC lattice parameters options
Significant change from previous slide
 
 
 
RF Parameters
 
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lumi upgrade
10Hz operation
 
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Likely we will downgrade cavity/klystron count to support only 1312
bunches
scale cost accordingly
Additional cavities/klystrons for 2625 bunches will be added during
upgrade.
 
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Large tunnel
Mechanical / electrical CF
 
 
 
CFS Criteria
 
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Based on ‘high power’ requirement ring, three rings?
criteria / drawings in EDMS
 
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First estimate mid-August (meeting at FNAL)
AC power distribution (alcoves) needs review
 
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scale requirements/costs as required
 
 
 
Costs
 
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depends on availability of KEK-B estimates/numbers
 
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assume the bores remain the same as in RDR
supports?
 
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Conceptual estimate exists for 6km ring
Need help from P. Bellomo to update
 
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e+ longitudinal acceptance
From RDR
Check with positron
source
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Explore the latest updates on the advanced particle accelerator project, including decisions on operating scenarios, lattice parameters, RF considerations, and construction criteria for the accelerator facility. Cost adjustments, upgrade plans, and timelines for key components are discussed, emphasizing the dynamic nature of decision-making in this cutting-edge scientific endeavor.

  • Particle Accelerator
  • Project Updates
  • Decision Making
  • Advanced Technology
  • Scientific Research

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  1. DR BTR Close Out All our final decisions are made in a state of mind that is not going to last. Marcel Proust

  2. The TDR Baseline Scenarios to consider (definition) 5 Hz standard running nb = 1312 bunches 10 Hz alternate mode nb = 1312 bunches Luminosity upgrade scenario 5 Hz running with nb=2625 bunches 3.2 km ring baseline: two rings (electron / positron) space + mandatory CFS support for a third luminosity upgrade: construct second e+ ring (if needed) Already decided TLCC

  3. The TDR baseline Lattice: DTC1 ring (based on TME cell) All e-cloud proposed mitigation techniques for positron ring electron ring vacuum likely to diverge design work focus on positron ring (resources) do some simulation work for e- ring (tune footprint) Evaluate cost-breakdown for e+ ring vacuum solution once available what can we leave out for e- ring

  4. TDR Baseline RF Parameters (ILC-EDMS) based on Guiducci presentations from BAW-2 and ALCPG 11

  5. DTC lattice parameters options Significant change from previous slide

  6. RF Parameters For design work (remainder TDR) focus on 12 cavities solution lumi upgrade 10Hz operation Final cost (and parameter!) adjustments to be made in October Likely we will downgrade cavity/klystron count to support only 1312 bunches scale cost accordingly Additional cavities/klystrons for 2625 bunches will be added during upgrade. CFS baseline must include support for upgrade in initial construction Large tunnel Mechanical / electrical CF

  7. CFS Criteria Initial estimates have been made Based on high power requirement ring, three rings? criteria / drawings in EDMS Outstanding: power/cooling requirements for DC bus solution First estimate mid-August (meeting at FNAL) AC power distribution (alcoves) needs review CFS civil cost by end of July 2011 Second iteration (review) Jan/Feb 2012 scale requirements/costs as required

  8. Costs Nearly everything by October 2011 Vacuum system early 2012 depends on availability of KEK-B estimates/numbers Magnets based on existing models assume the bores remain the same as in RDR supports? DC bus system Conceptual estimate exists for 6km ring Need help from P. Bellomo to update Instrumentation addition of vacuum will change RF costs needs review of unit estimates!

  9. e+ longitudinal acceptance From RDR Check with positron source

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