期刊
JOURNAL OF INSTRUMENTATION
卷 10, 期 -, 页码 -出版社
IOP Publishing Ltd
DOI: 10.1088/1748-0221/10/02/P02007
关键词
Large detector-systems performance; Pattern recognitio, cluster finding, calibration and fitting methods; Performance of High Energy Physics Detectors
资金
- CERN
- CAPES (Brazil)
- CNPq (Brazil)
- FAPERJ (Brazil)
- FINEP (Brazil)
- NSFC (China)
- CNRS/IN2P3 (France)
- BMBF (Germany)
- DFG (Germany)
- HGF (Germany)
- MPG (Germany)
- SFI (Ireland)
- INFN (Italy)
- FOM (The Netherlands)
- NWO (The Netherlands)
- MNiSW (Poland)
- NCN (Poland)
- MEN/IFA (Romania)
- MinES (Russia)
- FANO (Russia)
- MinECo (Spain)
- SNSF (Switzerland)
- SER (Switzerland)
- NASU (Ukraine)
- STFC (United Kingdom)
- NSF (U.S.A.)
- IN2P3 (France)
- KIT (Germany)
- SURF (The Netherlands)
- PIC (Spain)
- GridPP (United Kingdom)
- EPLANET
- Marie Sklodowska-Curie Actions
- ERC (European Union)
- Conseil general de Haute-Savoie (France)
- Labex ENIGMASS (France)
- OCEVU, Region Auvergne (France)
- RFBR (Russia)
- XuntaGal
- GENCAT (Spain)
- Royal Society (United Kingdom)
- Royal Commission for the Exhibition of 1851 (United Kingdom)
- Science and Technology Facilities Council [ST/H006737/1, ST/K001310/1 LHCb Upgrades, 1369397, 1364044, ST/K003410/1, ST/H00100X/2, 1225304, ST/K001310/1, ST/J004332/1, ST/L003392/1, ST/K001310/1 ATLAS Upgrades, 1299204, ST/K001256/1, ST/L001195/1, ST/M001407/1, ST/N000447/1, ST/M000729/1, ST/L003163/1, 1096173, ST/M001474/1, ST/N000250/1, 1416165, ST/K001310/1 ATLAS, ST/K00137X/1, PP/E000355/1, 1208164, ST/H00100X/1, ST/K001310/1 LHCb, ST/J50094X/1, ST/K001604/1, ST/K001418/1, ST/L003163/1 LHCb Upgrades, ST/K000705/1, ST/L003112/1, 1225314, 1415632] Funding Source: researchfish
- Direct For Mathematical & Physical Scien
- Division Of Physics [1505719, 1205805] Funding Source: National Science Foundation
- STFC [ST/K001604/1, ST/K00137X/1, ST/K003410/1, ST/J004332/1, ST/N000447/1, ST/L003163/1, ST/L003112/1, ST/J50094X/1, ST/M001407/1, ST/K000705/1, ST/M000729/1, ST/H006737/1, ST/L003392/1, PP/E000355/1, ST/H00100X/2, ST/H00100X/1, ST/L001195/1] Funding Source: UKRI
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.
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