Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
2008-08-12
Physics
High Energy Physics
High Energy Physics - Experiment
Scientific paper
This note investigates the effects of a misaligned tracking system on the analysis of B decays. Misalignment effects of both the vertex locator and the inner and outer T-stations have been studied. $z$-scaling effects of the vertex locator are also considered. It is proven that misalignments of the order of the detector single-hit resolutions have little or negligible effects on the quality of the reconstruction and of the analysis of B decays. The studies were performed with a sample of $B^0_{(s)} \to h^+h^{'-}$ decays, but the impact of misalignments on the performance of the pattern recognition algorithms and on the primary vertex resolutions, assessed for the first time, are rather general and not restricted to $B^0_{(s)} \to h^+h^{'-}$ decays.
Gersabeck Marco
Nardulli Jacopo
Rodrigues Eduardo
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