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Observation of D-0 meson decays to pi(+) pi(-) mu(+) mu(-) and K+ K- mu(+) mu(-) final states

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Title: Observation of D-0 meson decays to pi(+) pi(-) mu(+) mu(-) and K+ K- mu(+) mu(-) final states
Authors: Aaij, R
Adeva, B
Adinolfi, M
Ajaltouni, Z
Akar, S
Albrecht, J
Alessio, F
Alexander, M
Albero, AA
Ali, S
Alkhazov, G
Cartelle, PA
Alves, AA
Amato, S
Amerio, S
Amhis, Y
An, L
Anderlini, L
Andreassi, G
Andreotti, M
Andrews, JE
Appleby, RB
Archilli, F
D'Argent, P
Romeu, JA
Artamonov, A
Artuso, M
Aslanides, E
Auriemma, G
Baalouch, M
Babuschkin, I
Bachmann, S
Back, JJ
Badalov, A
Baesso, C
Baker, S
Balagura, V
Baldini, W
Baranov, A
Barlow, RJ
Barschel, C
Barsuk, S
Barter, W
Baryshnikov, F
Batozskaya, V
Battista, V
Bay, A
Beaucourt, L
Beddow, J
Bedeschi, F
Bediaga, I
Beiter, A
Bel, LJ
Beliy, N
Bellee, V
Belloli, N
Belous, K
Belyaev, I
Ben-Haim, E
Bencivenni, G
Benson, S
Beranek, S
Berezhnoy, A
Bernet, R
Berninghoff, D
Bertholet, E
Bertolin, A
Betancourt, C
Betti, F
Bettler, M-O
Van Beuzekom, M
Bezshyiko, I
Bifani, S
Billoir, P
Birnkraut, A
Bitadze, A
Bizzeti, A
Bjorn, M
Blake, T
Blanc, F
Blouw, J
Blusk, S
Bocci, V
Boettcher, T
Bondar, A
Bondar, N
Bonivento, W
Bordyuzhin, I
Borgheresi, A
Borghi, S
Borisyak, M
Borsato, M
Bossu, F
Boubdir, M
Bowcock, TJV
Bowen, E
Bozzi, C
Braun, S
Britton, T
Brodzicka, J
Brundu, D
Buchanan, E
Burr, C
Bursche, A
Buytaert, J
Byczynski, W
Cadeddu, S
Cai, H
Calabrese, R
Calladine, R
Calvi, M
Gomez, MC
Camboni, A
Campana, P
Perez, DHC
Capriotti, L
Carbone, A
Carboni, G
Cardinale, R
Cardini, A
Carniti, P
Carson, L
Akiba, KC
Casse, G
Cassina, L
Garcia, LC
Cattaneo, M
Cavallero, G
Cenci, R
Chamont, D
Charles, M
Charpentier, P
Chatzikonstantinidis, G
Chefdeville, M
Chen, S
Cheung, SF
Chitic, S-G
Chobanova, V
Chrzaszcz, M
Chubykin, A
Ciambrone, P
Vidal, XC
Ciezarek, G
Clarke, PEL
Clemencic, M
Cliff, HV
Closier, J
Cogan, J
Cogneras, E
Cogoni, V
Cojocariu, L
Collins, P
Colombo, T
Comerma-Montells, A
Contu, A
Cook, A
Coombs, G
Coquereau, S
Corti, G
Corvo, M
Sobral, CMC
Couturier, B
Cowan, GA
Craik, DC
Crocombe, A
Torres, MC
Currie, R
D'Ambrosio, C
Marinho, FDC
Dall'Occo, E
Dalseno, J
Davis, A
Francisco, ODA
De Capua, S
De Cian, M
De Miranda, JM
De Paula, L
De Serio, M
De Simone, P
Dean, CT
Decamp, D
Del Buono, L
Dembinski, H-P
Demmer, M
Dendek, A
Derkach, D
Deschamps, O
Dettori, F
Dey, B
Di Canto, A
Di Nezza, P
Dijkstra, H
Dordei, F
Dorigo, M
Suarez, AD
Douglas, L
Dovbnya, A
Dreimanis, K
Dufour, L
Dujany, G
Durante, P
Dzhelyadin, R
Dziewiecki, M
Dziurda, A
Dzyuba, A
Easo, S
Ebert, M
Egede, U
Egorychev, V
Eidelman, S
Eisenhardt, S
Eitschberger, U
Ekelhof, R
Eklund, L
Ely, S
Esen, S
Evans, HM
Evans, T
Falabella, A
Farley, N
Farry, S
Fay, R
Fazzini, D
Federici, L
Ferguson, D
Fernandez, G
Declara, PF
Prieto, AF
Ferrari, F
Rodrigues, FF
Ferro-Luzzi, M
Filippov, S
Fini, RA
Fiore, M
Fiorini, M
Firlej, M
Fitzpatrick, C
Fiutowski, T
Fleuret, F
Fohl, K
Fontana, M
Fontanelli, F
Forshaw, DC
Forty, R
Lima, VF
Frank, M
Frei, C
Fu, J
Funk, W
Furfaro, E
Farber, C
Gabriel, E
Torreira, AG
Galli, D
Gallorini, S
Gambetta, S
Gandelman, M
Gandini, P
Gao, Y
Martin, LMG
Pardinas, JG
Tico, JG
Garrido, L
Garsed, PJ
Gascon, D
Gaspar, C
Gavardi, L
Gazzoni, G
Gerick, D
Gersabeck, E
Gersabeck, M
Gershon, T
Ghez, P
Giani, S
Gibson, V
Girard, OG
Giubega, L
Gizdov, K
Gligorov, VV
Golubkov, D
Golutvin, A
Gomes, A
Gorelov, IV
Gotti, C
Govorkova, E
Grabowski, JP
Diaz, RG
Cardoso, LAG
Grauges, E
Graverini, E
Graziani, G
Grecu, A
Greim, R
Griffith, P
Grillo, L
Gruber, L
Cazon, BRG
Grunberg, O
Gushchin, E
Guz, Y
Gys, T
Gobel, C
Hadavizadeh, T
Hadjivasiliou, C
Haefeli, G
Haen, C
Haines, SC
Hamilton, B
Han, X
Hancock, TH
Hansmann-Menzemer, S
Harnew, N
Harnew, ST
Harrison, J
Hasse, C
Hatch, M
He, J
Hecker, M
Heinicke, K
Heister, A
Hennessy, K
Henrard, P
Henry, L
Van Herwijnen, E
Hess, M
Hicheur, A
Hill, D
Hombach, C
Hopchev, PH
Huard, Z-C
Hulsbergen, W
Humair, T
Hushchyn, M
Hutchcroft, D
Ibis, P
Idzik, M
Ilten, P
Jacobsson, R
Jalocha, J
Jans, E
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
Kelsey, M
Kenzie, M
Ketel, T
Khairullin, E
Khanji, B
Khurewathanakul, C
Kirn, T
Klaver, S
Klimaszewski, K
Klimkovich, T
Koliiev, S
Kolpin, M
Komarov, I
Kopecna, R
Koppenburg, P
Kosmyntseva, A
Kotriakhova, S
Kozeiha, M
Kreps, M
Krokovny, P
Kruse, F
Krzemien, W
Kucewicz, W
Kucharczyk, M
Kudryavtsev, V
Kuonen, AK
Kurek, K
Kvaratskheliya, T
Lacarrere, D
Lafferty, G
Lai, A
Lanfranchi, G
Langenbruch, C
Latham, T
Lazzeroni, C
Le Gac, R
Van Leerdam, J
Leflat, A
Lefrancois, J
Lefevre, R
Lemaitre, F
Cid, EL
Leroy, O
Lesiak, T
Leverington, B
Li, P-R
Li, T
Li, Y
Li, Z
Likhomanenko, T
Lindner, R
Lionetto, F
Lisovskyi, V
Liu, X
Loh, D
Loi, A
Longstaff, I
Lopes, JH
Lucchesi, D
Martinez, ML
Luo, H
Lupato, A
Luppi, E
Lupton, O
Lusiani, A
Lyu, X
Machefert, F
Maciuc, F
Macko, V
Mackowiak, P
Maddrell-Mander, S
Maev, O
Maguire, K
Maisuzenko, D
Majewski, MW
Malde, S
Malinin, A
Maltsev, T
Manca, G
Mancinelli, G
Manning, P
Marangotto, D
Maratas, J
Marchand, JF
Marconi, U
Benito, CM
Marinangeli, M
Marino, P
Marks, J
Martellotti, G
Martin, M
Martinelli, M
Santos, DM
Vidal, FM
Tostes, DM
Massacrier, LM
Massafferri, A
Matev, R
Mathad, A
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Morello, MJ
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Muheim, F
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Item Type: Journal Article
Abstract: The first observation of the D0→π+π−μ+μ− and D0→K+K−μ+μ− decays is reported using a sample of proton-proton collisions collected by LHCb at a center-of-mass energy of 8 TeV, and corresponding to 2  fb−1 of integrated luminosity. The corresponding branching fractions are measured using as normalization the decay D0→K−π+[μ+μ−]ρ0/ω, where the two muons are consistent with coming from the decay of a ρ0 or ω meson. The results are B(D0→π+π−μ+μ−)=(9.64±0.48±0.51±0.97)×10−7 and B(D0→K+K−μ+μ−)=(1.54±0.27±0.09±0.16)×10−7, where the uncertainties are statistical, systematic, and due to the limited knowledge of the normalization branching fraction. The dependence of the branching fraction on the dimuon mass is also investigated.
Issue Date: 31-Oct-2017
Date of Acceptance: 20-Sep-2017
URI: http://hdl.handle.net/10044/1/55064
DOI: https://dx.doi.org/10.1103/PhysRevLett.119.181805
ISSN: 0031-9007
Publisher: American Physical Society
Journal / Book Title: PHYSICAL REVIEW LETTERS
Volume: 119
Issue: 18
Replaces: http://hdl.handle.net/10044/1/54597
10044/1/54597
Copyright Statement: © 2017 CERN, for the LHCb Collaboration. Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license (https://creativecommons.org/licenses/by/4.0/). Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.
Keywords: Science & Technology
Physical Sciences
Physics, Multidisciplinary
Physics
SEARCH
RARE
02 Physical Sciences
General Physics
Publication Status: Published
Open Access location: http://dx.doi.org/10.1103/PhysRevLett.119.181805
Article Number: ARTN 181805
Appears in Collections:Physics
High Energy Physics



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