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Short Presentation

Mechanical Constraints

Misalignment Studies

Alignment Techniques

Application to VELO

C++ code

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Links

Useful Links

1. About the VELO

• The main VELO webpage
• Mechanics NIKHEF page
• VELO software page, LHCb reconstruction page
• VELO notes on CDS

2. On alignment methods

• The millepede webpage
• ATLAS alignment webpage (lot of useful links)
• On Singular Value Decomposition (SLD method)

3. Alignment in application

• Using Millepede: CDF, HERA-b
• Using residual minimisation: DELPHI, NOMAD, CMS
• Other methods (giant chi^2): ALEPH , ATLAS

4. LHCb Alignment

• Regular LHCb alignment meetings
• Third LHC detector alignment workshop (CERN, June 2009).
• Second LHC detector alignment workshop (CERN, June 2007).
• First LHC detector alignment workshop (CERN, September 2006). Proceedings (Yellow Report) are available here.
• LHCb global alignment workshop (Cambridge, January 2006)
• LHCb tracking & alignment workshop (Glasgow, November 2005)
• LHCb global alignment webpage
• LHCb Conditions Database How-To