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Mechanical Constraints

Misalignment Studies

Alignment Techniques

Application to VELO

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Application to the Vertex Locator

1. VELO residuals and global parameters

2. VELO algorithm development

A. The problem (Last update: 23/07/06)
B. Proposed Strategy
C. Internal Alignment (Last update: 05/03/07)
D. Global Alignment (Last update: 02/05/07)
E. Alignment within GAUDI (Last update: 02/05/07)
F. Using the Geometry Framework to misalign the VELO (Last update: 05/09/07)
G. Using the VELO alignment software (Last update: 05/09/07)

3. Alignment Integration

A. The problem (Coming soon...)
B. Dataset for Alignment (Coming soon...)
C. Alignment Procedure within LHCb (Coming soon...)

4. VELO testbeam analysis (ACDC)

A. Running alignment on VETRA (Last update: 03/07/07)
B. ACDC2 results (Last update: 11/10/06)
C. ACDC3 results (Last update: 01/10/07)

5. LHCb notes on VELO software alignment

A. 16/01/06 : Part I: LHCb-note 2005-101.
B. 02/06/06 : VELO alignment and Kalman filter: LHCb-note 2006-025 (INTERNAL).
C. 18/04/07 : VELO overlaps: LHCb-note 2007-061 (INTERNAL).
D. 03/07/07 : Part II: LHCb-note 2007-067.
E. 31/07/08 : NIM paper: Alignment Method.
F. 31/07/08 : NIM paper: ACDC3 results.
G. 09/04/08 : Part III: LHCb-2007-138: sensor alignment method.