LHCb CollaborationAaij, R.Abellan Beteta, C.Adeva, B.Adinolfi, M.Adrover, C.Affolder, A.Ajaltouni, Z.Albrecht, J.Alessio, F.Alexander, M.Ali, S.Alkhazov, G.Alvarez Cartelle, P.Amato, S.Amerio, S.Amhis, Y.Anderlini, L.Anderson, J.Andreassen, R.Appleby, R. B.Gutierrez, O. AquinesArchilli, F.Artamonov, A.Artuso, M.Aslanides, E.Auriemma, G.Bachmann, S.Back, J. J.Baesso, C.Balagura, V.Baldini, W.Barlow, R. J.Barschel, C.Barsuk, S.Barter, W.Bauer, Th.Bay, A.Beddow, J.Bedeschi, F.Bediaga, I.Belogurov, S.Belous, K.Belyaev, I.Ben-Haim, E.Bencivenni, G.Benson, S.Benton, J.Berezhnoy, A.Bernet, R.Bettler, M. -O.Van Beuzekom, M.Bien, A.Bifani, S.Bird, T.Bizzeti, A.Bjornstad, P. M.Blake, T.Blanc, F.Blouw, J.Blusk, S.Bocci, V.Bondar, A.Bondar, N.Bonivento, W.Borghi, S.Borgia, A.Bowcock, T. J. V.Bowen, E.Bozzi, C.Brambach, T.Van Den Brand, J.Bressieux, J.Brett, D.Britsch, M.Britton, T.Brook, N. H.Brown, H.Burducea, I.Bursche, A.Busetto, G.Buytaert, J.Cadeddu, S.Callot, O.Calvi, M.Calvo Gomez, M.Camboni, A.Campana, P.Perez, D. CamporaCarbone, A.Carboni, G.Cardinale, R.Cardini, A.Carranza-Mejia, H.Carson, L.Akiba, K. CarvalhoCasse, G.Garcia, L. CastilloCattaneo, M.Cauet, Ch.Charles, M.Charpentier, Ph.Chen, P.Chiapolini, N.Chrzaszcz, M.Ciba, K.Vidal, X. CidCiezarek, G.Clarke, P. E. L.Clemencic, M.Cliff, H. V.Closier, J.Coca, C.Coco, V.Cogan, J.Cogneras, E.Collins, P.Comerma-Montells, A.Contu, A.Cook, A.Coombes, M.Coquereau, S.Corti, G.Couturier, B.Cowan, G. A.Craik, D. C.Cunliffe, S.Currie, R.D'Ambrosio, C.David, P.David, P. N. Y.Davies, A.De Bonis, I.De Bruyn, K.De Capua, S.De Cian, M.De Miranda, J. M.De Paula, L.De Silva, W.De Simone, P.Decamp, D.Deckenhoff, M.Del Buono, L.Deleage, N.Derkach, D.Deschamps, O.Dettori, F.Di Canto, A.Di Ruscio, F.Dijkstra, H.Dogaru, M.Donleavy, S.Dordei, F.Suarez, A. DosilDossett, D.Dovbnya, A.Dupertuis, F.Dzhelyadin, R.Dziurda, A.Dzyuba, A.Easo, S.Egede, U.Egorychev, V.Eidelman, S.Van Eijk, D.Eisenhardt, S.Eitschberger, U.Ekelhof, R.Eklund, L.El Rifai, I.Elsasser, Ch.Elsby, D.Falabella, A.Faerber, C.Fardell, G.Farinelli, C.Farry, S.Faye, V.Ferguson, D.Fernandez Albor, V.Ferreira Rodrigues, F.Ferro-Luzzi, M.Filippov, S.Fiore, M.Fitzpatrick, C.Fontana, M.Fontanelli, F.Forty, R.Francisco, O.Frank, M.Frei, C.Frosini, M.Furcas, S.Furfaro, E.Gallas Torreira, A.Galli, D.Gandelman, M.Gandini, P.Gao, Y.Garofoli, J.Garosi, P.Tico, J. GarraGarrido, L.Gaspar, C.Gauld, R.Gersabeck, E.Gersabeck, M.Gershon, T.Ghez, Ph.Gibson, V.Gligorov, V. V.Goebel, C.Golubkov, D.Golutvin, A.Gomes, A.Gordon, H.Gandara, M. GrabalosaGraciani Diaz, R.Cardoso, L. A. GranadoGrauges, E.Graziani, G.Grecu, A.Greening, E.Gregson, S.Griffith, P.Gruenberg, O.Gui, B.Gushchin, E.Guz, Yu.Gys, T.Hadjivasiliou, C.Haefeli, G.Haen, C.Haines, S. C.Hall, S.Hampson, T.Hansmann-Menzemer, S.Harnew, N.Harnew, S. T.Harrison, J.Hartmann, T.He, J.Heijne, V.Hennessy, K.Henrard, P.Hernando Morata, J. A.Van Herwijnen, E.Hicks, E.Hill, D.Hoballah, M.Hombach, C.Hopchev, P.Hulsbergen, W.Hunt, P.Huse, T.Hussain, N.Hutchcroft, D.Hynds, D.Iakovenko, V.Idzik, M.Ilten, P.Jacobsson, R.Jaeger, A.Jans, E.Jaton, P.Jing, F.John, M.Johnson, D.Jones, C. R.Joram, C.Jost, B.Kaballo, M.Kandybei, S.Karacson, M.Karbach, T. M.Kenyon, I. R.Kerzel, U.Ketel, T.Keune, A.Khanji, B.Kochebina, O.Komarov, I.Koopman, R. F.Koppenburg, P.Korolev, M.Kozlinskiy, A.Kravchuk, L.Kreplin, K.Kreps, M.Krocker, G.Krokovny, P.Kruse, F.Kucharczyk, M.Kudryavtsev, V.Kvaratskheliya, T.La Thi, V. N.Lacarrere, D.Lafferty, G.Lai, A.Lambert, D.Lambert, R. W.Lanciotti, E.Lanfranchi, G.Langenbruch, C.Latham, T.Lazzeroni, C.Le Gac, R.Van Leerdam, J.Lees, J. -P.Lefevre, R.Leflat, A.Lefrancois, J.Leo, S.Leroy, O.Lesiak, T.Leverington, B.Li, Y.Gioi, L. 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C.Zhang, Y.Zhelezov, A.Zhokhov, A.Zhong, L.Zvyagin, A.2013-10-012013-10-012013-10-01201310.1016/j.nuclphysb.2013.04.021https://infoscience.epfl.ch/handle/20.500.14299/95629WOS:000320213800001This paper reports the first measurement of the effective B-S(0) -> J/psi K-S(0) lifetime and an updated measurement of its time-integrated branching fraction. Both measurements are performed with a data sample, corresponding to an integrated luminosity of 1.0 fb(-1) of pp collisions, recorded by the LHCb experiment in 2011 at a centre-of-mass energy of 7 TeV. The results are: tau(eff)(J/psi KS0) = 1.75 +/- 0.12 (stat) +/- 0.07 (syst) ps and B(B-S(0) -> J/psi K-S(0)) = (1.97 +/- 0.23) x 10(-5). For the latter measurement, the uncertainty includes both statistical and systematic sources. (C) 2013 CERN. Published by Elsevier B.V. All rights reserved.text::journal::journal article::research article