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Measurement of the track reconstruction efficiency at LHCb

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成果类型:
期刊论文
作者:
Aaij, R.*;Adeva, B.;Adinolfi, M.;Affolder, A.;Ajaltouni, Z.;...
通讯作者:
Aaij, R.
作者机构:
[Jans, E.; Ketel, T.; van den Brand, J.; Tuning, N.; Tolk, S.; Pellegrino, A.; Syropoulos, V.; van Tilburg, J.; Martinelli, M.; Santos, D. Martinez; Merk, M.; Ali, S.; Koppenburg, P.; Tsopelas, P.; Snoek, H.; de Vries, J. A.; Koopman, R. F.; Heijne, V.; van Leerdam, J.; Raven, G.; Aaij, R.; Lambert, R. W.; De Bruyn, K.; Oggero, S.; Kozlinskiy, A.; David, P. N. Y.; van Beuzekom, M.; Schiller, M.; Farinelli, C.; Hulsbergen, W.] Nikhef Natl Inst Subat Phys, Amsterdam, Netherlands.
[Hicheur, A.; Gomes, A.; Bediaga, I.; Massafferri, A.; Rodrigues, A. B.; dos Reis, A. C.; De Miranda, J. M.; Ferreira Rodrigues, F.] Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil.
[Otalora Goicochea, J. M.; Lopes, J. H.; Martins Tostes, D.; Carvalho Akiba, K.; Polycarpo, E.; Potterat, C.; Souza De Paula, B.; Francisco, O.; De Paula, L.; Nasteva, I.; Gandelman, M.; Amato, S.; Rangel, M. S.; Szilard, D.; Salustino Guimaraes, V.; Vieira, D.] Univ Fed Rio de Janeiro, Rio De Janeiro, Brazil.
[Gao, Y.; Yang, Z.; Wu, S.; Li, Y.; Zhang, Y.; Yuan, X.; Zhong, L.; Jing, F.; An, L.; Lu, H.] Tsinghua Univ, Ctr High Energy Phys, Beijing 100084, Peoples R China.
[Marchand, J. F.; Tisserand, V.; Decamp, D.; Ghez, Ph.; Qian, W.; Beaucourt, L.; Tournefier, E.; Pietrzyk, B.; Lees, J. -P.; T'Jampens, S.; Minard, M. -N.; Deleage, N.] Univ Savoie, CNRS, IN2P3, LAPP, Annecy Le Vieux, France.
通讯机构:
[Aaij, R.] N
Nikhef Natl Inst Subat Phys, Amsterdam, Netherlands.
语种:
英文
关键词:
Large detector-systems performance;Pattern recognition, cluster finding, calibration and fitting methods;Performance of High Energy Physics Detectors
期刊:
Journal of Instrumentation
ISSN:
1748-0221
年:
2015
卷:
10
期:
2
页码:
P02007
基金类别:
CERN; CAPES (Brazil)CAPES; CNPq (Brazil)National Council for Scientific and Technological Development (CNPq); FAPERJ (Brazil)Carlos Chagas Filho Foundation for Research Support of the State of Rio de Janeiro (FAPERJ); FINEP (Brazil)Ciencia Tecnologia e Inovacao (FINEP); NSFC (China)National Natural Science Foundation of China (NSFC); CNRS/IN2P3 (France)Centre National de la Recherche Scientifique (CNRS); BMBF (Germany)Federal Ministry of Education & Research (BMBF); DFG (Germany)German Research Foundation (DFG); HGF (Germany); MPG (Germany)Max Planck Society; SFI (Ireland)Science Foundation Ireland; INFN (Italy)Istituto Nazionale di Fisica Nucleare (INFN); FOM (The Netherlands)FOM (The Netherlands)Netherlands Government; NWO (The Netherlands)Netherlands Organization for Scientific Research (NWO)Netherlands Government; MNiSW (Poland)Ministry of Science and Higher Education, Poland; NCN (Poland); MEN/IFA (Romania); MinES (Russia); FANO (Russia); MinECo (Spain); SNSF (Switzerland)Swiss National Science Foundation (SNSF); SER (Switzerland); NASU (Ukraine); STFC (United Kingdom)UK Research & Innovation (UKRI)Science & Technology Facilities Council (STFC); NSF (U.S.A.)National Science Foundation (NSF); IN2P3 (France); KIT (Germany); SURF (The Netherlands)Netherlands Government; PIC (Spain); GridPP (United Kingdom); EPLANET; Marie Sklodowska-Curie Actions; ERC (European Union)European Research Council (ERC); Conseil general de Haute-Savoie (France)Region Auvergne-Rhone-Alpes; Labex ENIGMASS (France); OCEVU, Region Auvergne (France)Region Auvergne-Rhone-Alpes; RFBR (Russia)Russian Foundation for Basic Research (RFBR); XuntaGal; GENCAT (Spain); Royal Society (United Kingdom)Royal Society of London; Royal Commission for the Exhibition of 1851 (United Kingdom); Science and Technology Facilities CouncilUK Research & Innovation (UKRI)Science & Technology Facilities Council (STFC) [ST/N000447/1, ST/M001407/1, ST/K003410/1, ST/K001310/1 ATLAS Upgrades, ST/L003112/1, ST/M001474/1, ST/L003392/1, ST/K001256/1, ST/L003163/1, ST/J004332/1, PP/E000355/1, ST/H00100X/2, ST/K000705/1, 1096173, ST/N000250/1, ST/K001604/1, ST/K00137X/1, 1225304, ST/H00100X/1, ST/J50094X/1, ST/K001310/1 LHCb, 1369397, ST/L001195/1, 1364044, ST/M000729/1, 1416165, 1208164, 1225314, 1415632, ST/L003163/1 LHCb Upgrades, ST/K001310/1 LHCb Upgrades, ST/K001310/1 ATLAS, ST/H006737/1, ST/K001310/1, ST/K001418/1, 1299204] Funding Source: researchfish; Direct For Mathematical & Physical ScienNational Science Foundation (NSF)NSF - Directorate for Mathematical & Physical Sciences (MPS) [1505719] Funding Source: National Science Foundation; Division Of PhysicsNational Science Foundation (NSF)NSF - Directorate for Mathematical & Physical Sciences (MPS) [1205805] Funding Source: National Science Foundation
机构署名:
本校为其他机构
院系归属:
物理科学与技术学院
摘要:
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 measurement...

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