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cc by (c) CERN, 2015
Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/196775

Measurement of the track reconstruction efficiency at LHCb

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The determination of track reconstruction efficiencies at LHCb using J/ψ → µ +µ − decays is presented. Efficiencies above 95% are found for the data taking periods in 2010, 2011, and 2012. The ratio of the track reconstruction efficiency of muons in data and simulation is compatible with unity and measured with an uncertainty of 0.8% for data taking in 2010, and at a precision of 0.4% for data taking in 2011 and 2012. For hadrons an additional 1.4% uncertainty due to material interactions is assumed. This result is crucial for accurate cross section and branching fraction measurements in LHCb.

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LHCb Collaboration, et al. Measurement of the track reconstruction efficiency at LHCb. Journal of Instrumentation. 2015. Vol. 10, num. P02007. ISSN 1748-0221. [consulted: 22 of May of 2026]. Available at: https://hdl.handle.net/2445/196775

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