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Measurement of B-s(0) and D-s(-) Meson Lifetimes

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Title: Measurement of B-s(0) and D-s(-) Meson Lifetimes
Authors: Aaij, R
Adeva, B
Adinolfi, M
Ajaltouni, Z
Akar, S
Albrecht, J
Alessio, F
Alexander, M
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
Baszczyk, M
Batozskaya, V
Batsukh, B
Battista, V
Bay, A
Beaucourt, L
Beddow, J
Bedeschi, F
Bediaga, I
Beiter, A
Bel, LJ
Bellee, V
Belloli, N
Belous, K
Belyaev, I
Ben-Haim, E
Bencivenni, G
Benson, S
Beranek, S
Berezhnoy, A
Bernet, R
Bertolin, A
Betancourt, C
Betti, F
Bettler, M-O
Van Beuzekom, M
Bezshyiko, I
Bifani, S
Billoir, P
Birnkraut, A
Bitadze, A
Bizzeti, A
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
Buchanan, E
Burr, C
Bursche, A
Buytaert, J
Cadeddu, S
Calabrese, 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, S-F
Chobanova, V
Chrzaszcz, M
Chubykin, A
Vidal, XC
Ciezarek, G
Clarke, PEL
Clemencic, M
Cliff, HV
Closier, J
Coco, V
Cogan, J
Cogneras, E
Cogoni, V
Cojocariu, L
Collins, P
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
Cunliffe, S
Currie, R
D'Ambrosio, C
Marinho, FDC
Dall'Occo, E
Dalseno, J
David, PNY
Davis, A
De Bruyn, K
De Capua, S
De Cian, M
De Miranda, JM
De Paula, L
De Serio, M
De Simone, P
Dean, CT
Decamp, D
Deckenhoff, M
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
Dovbnya, A
Dreimanis, K
Dufour, L
Dujany, G
Dungs, K
Durante, P
Dzhelyadin, R
Dziewiecki, M
Dziurda, A
Dzyuba, A
Deleage, N
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
Ferguson, D
Fernandez, G
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
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
Diaz, RG
Cardoso, LAG
Grauges, E
Graverini, E
Graziani, G
Grecu, A
Greim, R
Griffith, P
Grillo, 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
Hansmann-Menzemer, S
Harnew, N
Harnew, ST
Harrison, J
Hatch, M
He, J
Head, T
Heister, A
Hennessy, K
Henrard, P
Henry, L
Van Herwijnen, E
Hess, M
Hicheur, A
Hill, D
Hombach, C
Hopchev, H
Huard, Z-C
Hulsbergen, W
Humair, T
Hushchyn, M
Hutchcroft, D
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
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
Kozachuk, A
Kozeiha, M
Kravchuk, L
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
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Lefevre, R
Lemaitre, F
Cid, EL
Leroy, O
Lesiak, T
Leverington, B
Li, T
Li, Y
Li, Z
Likhomanenko, T
Lindner, R
Lionetto, F
Liu, X
Loh, D
Longstaff, I
Lopes, JH
Lucchesi, D
Martinez, ML
Luo, H
Lupato, A
Luppi, E
Lupton, O
Lusiani, A
Lyu, X
Machefert, F
Maciuc, F
Maev, O
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Malde, S
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Maltsev, T
Manca, G
Mancinelli, G
Manning, P
Maratas, J
Marchand, JF
Marconi, U
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Martinelli, M
Santos, DM
Vidal, FM
Tostes, DM
Massacrier, LM
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Matev, R
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Item Type: Journal Article
Abstract: We report on a measurement of the flavor-specific B 0 s lifetime and of the D − s lifetime using proton-proton collisions at center-of-mass energies of 7 and 8 TeV, collected by the LHCb experiment and corresponding to 3.0     fb − 1 of integrated luminosity. Approximately 407 000 B 0 s → D ( * ) − s μ + ν μ decays are partially reconstructed in the K + K − π − μ + final state. The B 0 s and D − s natural widths are determined using, as a reference, kinematically similar B 0 → D ( * ) − μ + ν μ decays reconstructed in the same final state. The resulting differences between widths of B 0 s and B 0 mesons and of D − s and D − mesons are Δ Γ ( B ) = − 0.0115 ± 0.0053 ( stat ) ± 0.0041 ( syst )     ps − 1 and Δ Γ ( D ) = 1.0131 ± 0.0117 ( stat ) ± 0.0065 ( syst )     ps − 1 , respectively. Combined with the known B 0 and D − lifetimes, these yield the flavor-specific B 0 s lifetime, τ fs B 0 s = 1.547 ± 0.013 ( stat ) ± 0.010 ( syst ) ± 0.004 ( τ B )     ps and the D − s lifetime, τ D − s = 0.5064 ± 0.0030 ( stat ) ± 0.0017 ( syst ) ± 0.0017 ( τ D )     ps . The last uncertainties originate from the limited knowledge of the B 0 and D − lifetimes. The results improve upon current determinations.
Issue Date: 8-Sep-2017
Date of Acceptance: 12-Jul-2017
URI: http://hdl.handle.net/10044/1/51359
DOI: https://dx.doi.org/10.1103/PhysRevLett.119.101801
ISSN: 0031-9007
Publisher: American Physical Society
Journal / Book Title: Physical Review Letters
Volume: 119
Issue: 10
Copyright Statement: 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.
Keywords: Science & Technology
Physical Sciences
Physics, Multidisciplinary
Physics
Astronomy & Astrophysics
Physics, Nuclear
Physics, Particles & Fields
PHYSICS, MULTIDISCIPLINARY
DECAYS
LHCb Collaboration
hep-ex
02 Physical Sciences
General Physics
Publication Status: Published
Open Access location: http://dx.doi.org/10.1103/PhysRevLett.119.101801
Article Number: 101801
Appears in Collections:Physics
High Energy Physics



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