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Author
LHCb Collaboration (Aaij, R. et al)
;
Martinez-Vidal, F.
;
Oyanguren, A.
;
Ruiz Valls, P.
;
Sanchez Mayordomo, C.
Title
Measurement of the track reconstruction efficiency at LHCb
Type
Journal Article
Year
2015
Publication
Journal of Instrumentation
Abbreviated Journal
J. Instrum.
Volume
10
Issue
Pages
P02007 - 23pp
Keywords
Large detector-systems performance
;
Pattern recognitio, cluster finding, calibration and fitting methods
;
Performance of High Energy Physics Detectors
Abstract
The determination of track reconstruction efficiencies at LHCb using J/psi -> mu(+)mu(-) 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.
Address
[Bediaga, I.; De Miranda, J. M.; Ferreira Rodrigues, F.; Gomes, A.; Hicheur, A.; Massafferri, A.; dos Reis, A. C.; Rodrigues, A. B.] Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil, Email: michel.de.cian@cern.ch
Corporate Author
Thesis
Publisher
Iop Publishing Ltd
Place of Publication
Editor
Language
English
Summary Language
Original Title
Series Editor
Series Title
Abbreviated Series Title
Series Volume
Series Issue
Edition
ISSN
1748-0221
ISBN
Medium
Area
Expedition
Conference
Notes
WOS:000351664800054
Approved
no
Is ISI
yes
International Collaboration
yes
Call Number
IFIC @ pastor @
Serial
2171
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