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dc.contributor.authorThe LHCb Collaboration
dc.contributor.authorBoettcher, Thomas Julian
dc.contributor.authorCraik, Daniel C
dc.contributor.authorWeisser, Constantin
dc.contributor.authorWilliams, Michael
dc.date.accessioned2022-09-21T18:42:52Z
dc.date.available2021-10-27T19:54:08Z
dc.date.available2022-09-21T18:42:52Z
dc.date.issued2019
dc.identifier.urihttps://hdl.handle.net/1721.1/133681.2
dc.description.abstract© 2019 CERN for the benefit of the LHCb collaboration.. The single electron track-reconstruction efficiency is calibrated using a sample corresponding to 1.3 fb-1 of pp collision data recorded with the LHCb detector in 2017. This measurement exploits B+ J/ψ(e+e-)K+ decays, where one of the electrons is fully reconstructed and paired with the kaon, while the other electron is reconstructed using only the information of the vertex detector. Despite this partial reconstruction, kinematic and geometric constraints allow the B meson mass to be reconstructed and the signal to be well separated from backgrounds. This in turn allows the electron reconstruction efficiency to be measured by matching the partial track segment found in the vertex detector to tracks found by LHCb's regular reconstruction algorithms. The agreement between data and simulation is evaluated, and corrections are derived for simulated electrons in bins of kinematics. These correction factors allow LHCb to measure branching fractions involving single electrons with a systematic uncertainty below 1%.en_US
dc.language.isoen
dc.publisherIOP Publishingen_US
dc.relation.isversionof10.1088/1748-0221/14/11/P11023en_US
dc.rightsCreative Commons Attribution 3.0 unported licenseen_US
dc.rights.urihttps://creativecommons.org/licenses/by/3.0/en_US
dc.sourceIOP Publishingen_US
dc.titleMeasurement of the electron reconstruction efficiency at LHCben_US
dc.typeArticleen_US
dc.contributor.departmentMassachusetts Institute of Technology. Department of Physicsen_US
dc.contributor.departmentMassachusetts Institute of Technology. Laboratory for Nuclear Scienceen_US
dc.relation.journalJournal of Instrumentationen_US
dc.eprint.versionFinal published versionen_US
dc.type.urihttp://purl.org/eprint/type/JournalArticleen_US
eprint.statushttp://purl.org/eprint/status/PeerRevieweden_US
dc.date.updated2020-11-18T17:16:30Z
dspace.orderedauthorsAaij, R; Abellán Beteta, C; Ackernley, T; Adeva, B; Adinolfi, M; Afsharnia, H; Aidala, CA; Aiola, S; Ajaltouni, Z; Akar, S; Albicocco, P; Albrecht, J; Alessio, F; Alexander, M; Albero, AA; Alkhazov, G; Cartelle, PA; AA Alves, ; Amato, S; Amhis, Y; An, L; Anderlini, L; Andreassi, G; Andreotti, M; Archilli, F; Romeu, JA; Artamonov, A; Artuso, M; Arzymatov, K; Aslanides, E; Atzeni, M; Audurier, B; Bachmann, S; Back, JJ; Baker, S; Balagura, V; Baldini, W; Baranov, A; Barlow, RJ; Barsuk, S; Barter, W; Bartolini, M; Baryshnikov, F; Bassi, G; Batozskaya, V; Batsukh, B; Battig, A; Battista, V; Bay, A; Becker, M; Bedeschi, F; Bediaga, I; Beiter, A; Bel, LJ; Belavin, V; Belin, S; Beliy, N; Bellee, V; Belous, K; Belyaev, I; Bencivenni, G; Ben-Haim, E; Benson, S; Beranek, S; Berezhnoy, A; Bernet, R; Berninghoff, D; Bernstein, HC; Bertholet, E; Bertolin, A; Betancourt, C; Betti, F; Bettler, MO; Bezshyiko, I; Bhasin, S; Bhom, J; Bieker, MS; Bifani, S; Billoir, P; Birnkraut, A; Bizzeti, A; BjØrn, M; Blago, MP; Blake, T; Blanc, F; Blusk, S; Bobulska, D; Bocci, V; Garcia, OB; Boettcher, T; Boldyrev, A; Bondar, A; Bondar, N; Borghi, S; Borisyak, M; Borsato, M; Borsuk, JT; Boubdir, M; Bowcock, TJV; Bozzi, C; Braun, S; Rodriguez, AB; Brodski, M; Brodzicka, J; Gonzalo, AB; Brundu, D; Buchanan, E; Buonaura, A; Burr, C; Bursche, A; Butter, JS; Buytaert, J; Byczynski, W; Cadeddu, S; Cai, H; Calabrese, R; Cali, S; Calladine, R; Calvi, M; Gomez, MC; Camboni, A; Campana, P; Perez, DHC; Capriotti, L; Carbone, A; Carboni, G; Cardinale, R; Cardini, A; Carniti, P; Akiba, KC; Vidal, AC; Casse, G; Cattaneo, M; Cavallero, G; Cenci, R; Cerasoli, J; Chapman, MG; Charles, M; Charpentier, P; Chatzikonstantinidis, G; Chefdeville, M; Chekalina, V; Chen, C; Chen, S; Chernov, A; Chitic, S-G; Chobanova, V; Chrzaszcz, M; Chubykin, A; Ciambrone, P; Cicala, MF; Vidal, XC; Ciezarek, G; Cindolo, F; Clarke, PEL; Clemencic, M; Cliff, HV; Closier, J; Cobbledick, JL; Coco, V; Coelho, JAB; Cogan, J; Cogneras, E; 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dspace.date.submission2020-11-18T17:16:31Z
mit.journal.volume14en_US
mit.journal.issue11en_US
mit.licensePUBLISHER_CC
mit.metadata.statusPublication Information Neededen_US


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