2012

Application of vertex and mass constraints in track-based alignment

Amoraal, J., Blouw, J., Blusk, S. et al.

Understand

The software alignment of planar tracking detectors using samples of charged particle trajectories may lead to global detector distortions that affect vertex and momentum resolution.

We present an alignment procedure that constrains such distortions by making use of samples of decay vertices reconstructed from two or more trajectories and putting constraints on their invariant mass.
We illustrate the method by using a sample of invariant-mass constrained vertices from D^0 --> K^- pi^+ decays to remove a curvature bias in the LHCb spectrometer.

Built on

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Similar

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2008
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D. Brown, A. Gritsan, Z. Guo, and D. Roberts, Local alignment of the BABAR silicon vertex tracking detector
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2010
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V. Blobel and C. Kleinwort, A new method for the high precision alignment of track detectors
Cited in the paper.
LHCb collaboration, R. Aaij et al
Cited in the paper.

Then

J. Amoraal, Alignment of the LHCb detector with Kalman filter fitted tracks
2010
Later among the works it cites.
S. Borghi et al
2010
Later among the works it cites.
PhD thesis, Vrije Universiteit, Amsterdam, The Netherlands, 2010
E. E. Simioni, New physics from rare beauty · 2010
Later among the works it cites.
G. Flucke, Alignment of the CMS Silicon Tracker
2011
Later among the works it cites.
LHCb collaboration, R. Aaij et al
Original
2012
Closest in time.

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