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Vacuum Modules in LHC Experiments

Vacuum Modules in LHC Experiments. V. Baglin (26/3/12). CERN TE-VSC, Geneva. ATLAS from Q1L to Q1R. Vacuum modules with RF insert 2 typical from LSS (VMABB) 2 special for experiments (VBX) 2 special vacuum chambers (VCIJP, X). ATLAS: VBX. Cu insert 3 micron Rh coating. ATLAS: VC1JP.

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Vacuum Modules in LHC Experiments

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  1. Vacuum Modules in LHC Experiments V. Baglin (26/3/12) CERN TE-VSC, Geneva LRFF - 26th March 2012

  2. ATLAS from Q1L to Q1R • Vacuum modules with RF insert • 2 typical from LSS (VMABB) • 2 special for experiments (VBX) • 2 special vacuum chambers (VCIJP, X) LRFF - 26th March 2012

  3. ATLAS: VBX • Cu insert • 3 micron Rh coating LRFF - 26th March 2012

  4. ATLAS: VC1JP • Cu coating 10 micron • Should have Rh • Same as CMS VBX5B (see later) LRFF - 26th March 2012

  5. CMS from Q1L to Q1R • Vacuum modules with RF insert • 2 typical from LSS (VMDQB) • 2 special for experiments (VBX) • 4 special for CMS (VBX5A and B) LRFF - 26th March 2012

  6. CMS: VBX5B 100 micron Cu coating • Installed at 500 mm, so overlap about 23 mm LRFF - 26th March 2012

  7. CMS: VBX5A Cu insert • Installed at 312 mm, so overlap about 48 mm LRFF - 26th March 2012

  8. ALICE from Q1L to Q1R • Vacuum modules with RF insert • 10 typical from LSS (Vmxyz) • Y=A => 80/80 • Y=B => 63/63 • Y=C => 63/80 • Y=O => 100/63 LRFF - 26th March 2012

  9. ALICE: VMABA • Cu insert • 20 deg angle • Should have Rh coating LRFF - 26th March 2012

  10. LHCb from Q1L to Q1R • Vacuum modules with RF insert • 8 typical from LSS • 1 special wake field suppressor for VELO vacuum chamber (VC8A) LRFF - 26th March 2012

  11. LHCb: VC8A • I have to check and find the drawings Ref: CERN courier -Oct 2006 LRFF - 26th March 2012

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