Linear Collider TPC R

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Tsinghua U.January 2010Experience with LEP
and its meaning for the Linear Collider
Ron Settles MPI-Munich
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• Outline of talks
• 1 What physics do we want to do, where?
• 2a,b What is the best detector?
• 3 The LCTPC
• 4 Machine and global issues

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• Talk 2b
• What is the best detector?

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Best detector? The
starting point
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Now we shall take a look at the subdetectors
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• TPC Performance goals. RD question
• How was the subdetector optimized?
• ILD subdetectors must be optimized coherently by
  present optimization studies, ? for the TPC, this
  means

s_pt lt100?diffµm (rf)
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Inner Detectors ? back to Machine since this is
complicated real-estate where MDI, machine and
detector elements are critical
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Each part of FD cryostats will have movers to
align Cryostats as a whole(?), And support parts
of FD Cryostats may need to be equipped with
optical or mechanical lock-in systems, to
minimize their relative motion on nm level.
Steel Yoke (no yoke for 4th)
Antisolenoid
Solenoid
BeamCal
ECal
HCal
Low Z Mask
TPC or Si Tracker
FD Cryostats
Detectors
Working progress John Amann, et al
LumiCal
Vertex Detector
IP Chamber
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Combination of detector and machine
elements.Detector view of MDI? Nanobeam02 paper
Many very correlated tasks!!
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In preparing this talk, I noticed the different
ways to categorize
Karsten Buesser CLIC talk
Nanobeam 02 paper
vibration, optics, instrumentatn,background,
engineering
Andrei Seryi IRENG07
Yasuhiro Sugimoto, Toshiaki Tauchi, Karsten
Buesser et al ILD MDI/Integration list

1. IR issues/tasks
2. Detector Integration tasks
3. Push-pull issues/tasks

Many subitems under each point, my favorite
brkdown?
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Combining MDI/Integration makes a lot of sense,
as the IRENG07 workshop, the ILD task list and
Andreis/Toshiakis lists today show, maybe
something like

• Vibrationdethall design to avoid unwanted
  (µm-mm!) vibrations
• Opticsmachine, BDS design/layout (details in
  Andreis and Toshiakis talks today)
• Instrumentation/diagnosticsfast feedback,beamcal
  e.g.
• Backgroundbeam induced bgrd,inner detector
  design
• Engineering
• Detector design/integration
• MDI magnets (antiDID)
• IR hall/push-pull design (Andreis talk today)
• Shielding
• Etc

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LOI, remaining points
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Conclusion? No conclusion
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Next talkthe LCTPC