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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.accessioned2022-09-21T17:36:30Z
dc.date.available2021-10-27T19:52:49Z
dc.date.available2022-09-21T17:36:30Z
dc.date.issued2019
dc.identifier.urihttps://hdl.handle.net/1721.1/133428.2
dc.description.abstract© 2019 The Author Decays of Bs0 and B‾0s mesons into J/ψπ+π− final states are studied in a data sample corresponding to 1.9 fb−1 of integrated luminosity collected with the LHCb detector in 13 TeV pp collisions. A time-dependent amplitude analysis is used to determine the final-state resonance contributions, the CP-violating phase ϕs=−0.057±0.060±0.011 rad, the decay-width difference between the heavier mass Bs0 eigenstate and the B0 meson of −0.050±0.004±0.004 ps−1, and the CP-violating parameter |λ|=1.01−0.06+0.08±0.03, where the first uncertainty is statistical and the second systematic. These results are combined with previous LHCb measurements in the same decay channel using 7 TeV and 8 TeV pp collisions obtaining ϕs=0.002±0.044±0.012 rad, and |λ|=0.949±0.036±0.019.en_US
dc.language.isoen
dc.publisherElsevier BVen_US
dc.relation.isversionof10.1016/J.PHYSLETB.2019.07.036en_US
dc.rightsCreative Commons Attribution 4.0 International licenseen_US
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/en_US
dc.sourceElsevieren_US
dc.titleMeasurement of the CP-violating phase ϕ from B s 0 → J / ψ π + π − decays in 13 TeV pp collisionsen_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.journalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physicsen_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.updated2021-04-09T17:16:05Z
dspace.orderedauthorsAaij, R; Abellán Beteta, C; Adeva, B; Adinolfi, M; Aidala, CA; Ajaltouni, Z; Akar, S; Albicocco, P; Albrecht, J; Alessio, F; Alexander, M; Alfonso Albero, A; Alkhazov, G; Alvarez Cartelle, P; Alves, AA; Amato, S; Amhis, Y; An, L; Anderlini, L; Andreassi, G; Andreotti, M; Andrews, JE; Archilli, F; Arnau Romeu, J; 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; Barrand, GC; 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; Bjørn, M; Blago, MP; 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dspace.date.submission2021-04-09T17:16:06Z
mit.journal.volume797en_US
mit.licensePUBLISHER_CC
mit.metadata.statusPublication Information Neededen_US


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