Search for Lepton-Universality Violation in B+ -> K(+)l(+)l(-) Decays

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Title: Search for Lepton-Universality Violation in B+ -> K(+)l(+)l(-) Decays
Authors: Aaij, R
Beteta, CA
Adeva, B
Adinolfi, M
Aidala, CA
Ajaltouni, Z
Akar, S
Albicocco, P
Albrecht, J
Alessio, F
Alexander, M
Albero, AA
Alkhazov, G
Cartelle, PA
Alves, AA
Amato, S
Amhis, Y
An, L
Anderlini, L
Andreassi, G
Andreotti, M
Andrews, JE
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
Batozskaya, V
Batsukh, B
Battig, A
Battista, V
Bay, A
Bedeschi, F
Bediaga, I
Beiter, A
Bel, LJ
Belin, S
Beliy, N
Bellee, V
Belloli, N
Belous, K
Belyaev, I
Bencivenni, G
Ben-Haim, E
Benson, S
Beranek, S
Berezhnoy, A
Bernet, R
Berninghoff, D
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
Bjorn, M
Blago, MP
Blake, T
Blanc, F
Blusk, S
Bobulska, D
Bocci, V
Garcia, OB
Boettcher, T
Bondar, A
Bondar, N
Borghi, S
Borisyak, M
Borsato, M
Boubdir, M
Bowcock, TJV
Bozzi, C
Braun, S
Brodski, M
Brodzicka, J
Gonzalo, AB
Brundu, D
Buchanan, E
Buonaura, A
Burr, C
Bursche, A
Butter, J
Buytaert, J
Byczynski, W
Cadeddu, S
Cai, H
Calabrese, R
Cali, S
Calladine, R
Calvi, M
Calvo Gomez, M
Camboni, A
Campana, P
Perez, DHC
Capriotti, L
Carbone, A
Carboni, G
Cardinale, R
Cardini, A
Carniti, P
Carvalho Akiba, K
Casse, G
Cattaneo, M
Cavallero, G
Cenci, R
Chapman, MG
Charles, M
Charpentier, P
Chatzikonstantinidis, G
Chefdeville, M
Chekalina, V
Chen, C
Chen, S
Chitic, S-G
Chobanova, V
Chrzaszcz, M
Chubykin, A
Ciambrone, P
Cid Vidal, X
Ciezarek, G
Cindolo, F
Clarke, PEL
Clemencic, M
Cliff, HV
Closier, J
Coco, V
Coelho, JAB
Cogan, J
Cogneras, E
Cojocariu, L
Collins, P
Colombo, T
Comerma-Montells, A
Contu, A
Coombs, G
Coquereau, S
Corti, G
Sobral, CMC
Couturier, B
Cowan, GA
Craik, DC
Crocombe, A
Cruz Torres, M
Currie, R
Da Silva, CL
Dall'Occo, E
Dalseno, J
D'Ambrosio, C
Danilina, A
D'Argent, P
Davis, A
Francisco, ODA
De Bruyn, K
De Capua, S
De Cian, M
De Miranda, JM
De Paula, L
De Serio, M
De Simone, P
De Vries, A
Dean, CT
Dean, W
Decamp, D
Del Buono, L
Delaney, B
Dembinski, H-P
Demmer, M
Dendek, A
Derkach, D
Deschamps, O
Desse, F
Dettori, F
Dey, B
Di Canto, A
Di Nezza, P
Didenko, S
Dijkstra, H
Dordei, F
Dorigo, M
Dos Reis, AC
Dosil Suarez, A
Douglas, L
Dovbnya, A
Dreimanis, K
Dufour, L
Dujany, G
Durante, P
Durham, JM
Dutta, D
Dzhelyadin, R
Dziewiecki, M
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Dzyuba, A
Easo, S
Egede, U
Egorychev, V
Eidelman, S
Eisenhardt, S
Eitschberger, U
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Eklund, L
Ely, S
Ene, A
Escher, S
Esen, S
Evans, T
Falabella, A
Farber, C
Farley, N
Farry, S
Fazzini, D
Feo, M
Declara, PF
Fernandez Prieto, A
Ferrari, F
Ferreira Lopes, L
Ferreira Rodrigues, F
Sole, SF
Ferro-Luzzi, M
Filippov, S
Fini, RA
Fiorini, M
Firlej, M
Fitzpatrick, C
Fiutowski, T
Fleuret, F
Fontana, M
Fontanelli, F
Forty, R
Lima, VF
Frank, M
Frei, C
Fu, J
Funk, W
Gabriel, E
Gallas Torreira, A
Galli, D
Gallorini, S
Gambetta, S
Gan, Y
Gandelman, M
Gandini, P
Gao, Y
Garcia Martin, LM
Pardinas, JG
Garcia Plana, B
Tico, JG
Garrido, L
Gascon, D
Gaspar, C
Gazzoni, G
Gerick, D
Gersabeck, E
Gersabeck, M
Gershon, T
Gerstel, D
Ghez, P
Gibson, V
Girard, OG
Gironella Gironell, P
Giubega, L
Gizdov, K
Gligorov, VV
Gobel, C
Golubkov, D
Golutvin, A
Gomes, A
Gorelov, IV
Gotti, C
Govorkova, E
Grabowski, JP
Graciani Diaz, R
Granado Cardoso, LA
Grauges, E
Graverini, E
Graziani, G
Grecu, A
Greim, R
Griffith, P
Grillo, L
Gruber, L
Gruberg Cazon, BR
Gu, C
Gushchin, E
Guth, A
Guz, Y
Gys, T
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Haefeli, G
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Hamilton, B
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Hancock, TH
Hansmann-Menzemer, S
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Hecker, M
Heinicke, K
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Hennessy, K
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Hess, M
Heuel, J
Hicheur, A
Charman, RH
Hill, D
Hilton, M
Hopchev, PH
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Hu, W
Huang, W
Huard, ZC
Hulsbergen, W
Humair, T
Hushchyn, M
Hutchcroft, D
Hynds, D
Ibis, P
Idzik, M
Ilten, P
Inglessi, A
Inyakin, A
Ivshin, K
Jacobsson, R
Jakobsen, S
Jalocha, J
Jans, E
Jashal, BK
Jawahery, A
Jiang, F
John, M
Johnson, D
Jones, CR
Joram, C
Jost, B
Jurik, N
Kandybei, S
Karacson, M
Kariuki, JM
Karodia, S
Kazeev, N
Kecke, M
Keizer, F
Kelsey, M
Kenzie, M
Ketel, T
Khanji, B
Kharisova
Khurewathanakul, C
Kim, KE
Kirn, T
Kirsebom, VS
Klaver, S
Klimaszewski, K
Koliiev, S
Kolpin, M
Kopecna, R
Koppenburg, P
Kostiuk, I
Kotriakhova, S
Kozeiha, M
Kravchuk, L
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Krupa, W
Krzemien, W
Kucewicz, W
Kucharczyk, M
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Kunde, GJ
Kuonen, AK
Kvaratskheliya, T
Lacarrere, D
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Langenbruch, C
Latham, T
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Le Gac, R
Lefevre, R
Leflat, A
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Leroy, O
Lesiak, T
Leverington, B
Li, H
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Li, X
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Likhomanenko, T
Lindner, R
Lionetto, F
Lisovskyi, V
Liu, G
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Loi, A
Longstaff, I
Lopes, JH
Loustau, G
Lovell, GH
Lucchesi, D
Lucio Martinez, M
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Lupato, A
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Lyu, X
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Maddrell-Mander, S
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Item Type: Journal Article
Abstract: A measurement of the ratio of branching fractions of the decays B + → K + μ + μ − and B + → K + e + e − is presented. The proton-proton collision data used correspond to an integrated luminosity of 5.0     fb − 1 recorded with the LHCb experiment at center-of-mass energies of 7, 8, and 13 TeV. For the dilepton mass-squared range 1.1 < q 2 < 6.0     GeV 2 / c 4 the ratio of branching fractions is measured to be R K = 0.84 6 + 0.060 − 0.054 + 0.016 − 0.014 , where the first uncertainty is statistical and the second systematic. This is the most precise measurement of R K to date and is compatible with the standard model at the level of 2.5 standard deviations.
Issue Date: 13-May-2019
Date of Acceptance: 1-May-2019
URI: http://hdl.handle.net/10044/1/71635
DOI: https://doi.org/10.1103/PhysRevLett.122.191801
ISSN: 0031-9007
Publisher: American Physical Society
Start Page: 191801-1
End Page: 191801-13
Journal / Book Title: Physical Review Letters
Volume: 122
Issue: 19
Copyright Statement: © 2019 CERN, for the LHCb Collaboration. Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.
Keywords: Science & Technology
Physical Sciences
Physics, Multidisciplinary
Physics
LHCb Collaboration <a href="#n1">1</a>
hep-ex
hep-ex
Science & Technology
Physical Sciences
Physics, Multidisciplinary
Physics
General Physics
02 Physical Sciences
Publication Status: Published
Open Access location: http://arxiv.org/pdf/1903.09252
Article Number: ARTN 191801
Online Publication Date: 2019-05-13
Appears in Collections:Physics
High Energy Physics



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