LHC Equipments

• TDI
   
• TCDD
   
• TCLIA - TCTV
   
• Pims
   
• TOTEM Roman Pots
   
• Collimators
   

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• TDI (LHC injection beam stopper)

• June 2004: Resistive heat load for the TDI (ppt)
  

• April 2005: First results on the simulation of trapped modes in TDI (on a previous version of TDI, without the RF fingers) (pdf)
  

• Jan. 2006: Transverse impedance of TDI (on a proposed modification of TDI, which might be different to what is in LHC) (pdf)
  

• Feb. 2006: TDI proposed modification (pdf)
  

• Sept. 2006: Follow-up for the TDI (ppt)
  

• Sept. 2006: Follow-up for the TCDQ, TCDS and TDI concerning the RF fingers (ppt)
   

• Sept. 2006: Meeting to discuss the possible installation of RF fingers in the LHC TDIs (minutes)
   

• March 2009: Meeting about the TDI heat load (minutes)
   

• March 2009: TDI resistive impedance and power loss (ppt)
   

   

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• TCDD

• Oct. 2005: (RLC meeting) Simulation of longitudinal and transverse Impedance of TCDD (original geometry) (ppt)

   

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• TCLIA - TCTV

• Feb. 2006: (RLC meeting) TCLIA/TCTV longitudinal impedance simulation (ppt)

• Feb. 2006: (RLC meeting) TCLIA/TCTV transverse impedance simulation (ppt)

• Feb. 2006: (RLC meeting) TCLIA/TCTV broad band transverse impedance (ppt)

• March 2006: (RLC meeting) Origin of TCLIA/TCTV transverse broad band impedance (ppt)

• March 2006: (RLC meeting) TCLIA/TCTV transverse broad band impedance versus gap size (ppt)

   

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• PIMs

• Dec. 2007: ABP-LCU section meeting talk: Update on resistive wall transverse impedance measurements at low frequency (graphite samples  and PIMs) (pdf)

• Feb. 2008: RF measurements of the transverse impedance of PIMs with isolated contact fingers (pdf)

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• TOTEM Roman Pots

• June 2004: Emittance limitations due to collective effects for the TOTEM beams, LHC Project Note (pdf)

• Nov. 2005: RF interactions between the beam and the roman pots (ppt)

• Nov. 2005: Engineering design review (EDR) for the Totem roman pots (ppt)

• March 2009: General information, beam parameters and longitudinal impedance measurements (pdf), F. Roncarolo

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• Collimators

• Jan. 2005: (RLC meeting) Simulation of monopole modes trapped in LHC collimator (ppt)

• Jan. 2005: Simulation of trapped modes in LHC collimator (RLC meeting ppt, CWG meeting ppt)

• Feb. 2005: (RLC meeting) Transverse impedance of trapped modes in LHC collimator (ppt)

• Feb. 2005: (CWG meeting) On rf-finger heating and trapped mode damping in LHC collimator (ppt)

• March 2005: (RLC meeting) AC conductivity and Resistive Wall impedance of LHC collimator (ppt)

• Dec. 2006: (LHC Technical Committee talk) LHC Collimator Impedance (ppt)

• Nov. 2007: (Visit of Yong-Ho Chin and Yoshihiro Shobuda) Low Frequency Collimator Measurements - Preliminary Results (F. Roncarolo et al - pdf)

• Dec. 2007: (ABP-LCU section meeting talk) Low Frequency Transverse Impedance Simulations - Preliminary Results (pdf)

• Dec. 2007: (ABP-LCU section meeting talk) Update on resistive wall transverse impedance measurements at low frequency (graphite samples  and PIMs) (pdf)

• Jan. 2008: Measurement of the low frequency transverse impedance of an LHC collimator - includes VNA setup, LCRmeter setup, coil making procedure and resistivity measurement (doc)

• Feb. 2008: RF Measurements of the transverse impedance of collimator jaws (scanning the gap between the jaws) (pdf)

• Feb. 2008: (LHC Collimation Working Group talk) Status of Collimator Transverse Impedance Measurements (pdf)

• April 2008: Simulation of the Low-frequency Collimator Impedance (pdf)

• May 2008: Transverse impedance of Ceramic collimator : Comparison of HFSS versus GdfidL (ppt)

• June 2008: First measurements of the transverse impedance of a full collimator assembly (pdf)

• April 2009: (Conceptual Design Review LHC Phase II Collimation) Collimation-Driven Impedance (pdf)