Measurement of mixing and CP violation parameters in two-body charm decays
Creators: name: LHCb Collaboration
name: Aaij, R.
name: Beteta, C. Abellan
name: Adeva, B.
name: Adinolfi, M.
name: Adrover, C.
name: Affolder, A.
name: Ajaltouni, Z.
name: Albrecht, J.
name: Alessio, F.
name: Alexander, M.
name: Alkhazov, G.
name: Cartelle, P. Alvarez
name: Alves, A. A.
name: Amato, S.
name: Amhis, Y.
name: Anderson, J.
name: Appleby, R. B.
name: Gutierrez, O. Aquines
name: Archilli, F.
name: Arrabito, L.
name: Artamonov, A.
name: Artuso, M.
name: Aslanides, E.
name: Auriemma, G.
name: Bachmann, S.
name: Back, J. J.
name: Bailey, D. S.
name: Balagura, V.
name: Baldini, W.
name: Barlow, R. J.
name: Barschel, C.
name: Barsuk, S.
name: Barter, W.
name: Bates, A.
name: Bauer, C.
name: Bauer, Th.
name: Bay, A.
name: Bediaga, I.
name: Belogurov, S.
name: Belous, K.
name: Belyaev, I.
name: Ben-Haim, E.
name: Benayoun, M.
name: Bencivenni, G.
name: Benson, S.
name: Benton, J.
name: Bernet, R.
name: Bettler, M. -O.
name: van Beuzekom, M.
name: Bien, A.
name: Bifani, S.
name: Bird, T.
name: Bizzeti, A.
name: Bjørnstad, P. M.
name: Blake, T.
name: Blanc, F.
name: Blanks, C.
name: Blouw, J.
name: Blusk, S.
name: Bobrov, A.
name: Bocci, V.
name: Bondar, A.
name: Bondar, N.
name: Bonivento, W.
name: Borghi, S.
name: Borgia, A.
name: Bowcock, T. J. V.
name: Bozzi, C.
name: Brambach, T.
name: Brand, J. van den
name: Bressieux, J.
name: Brett, D.
name: Britsch, M.
name: Britton, T.
name: Brook, N. H.
name: Brown, H.
name: Büchler-Germann, A.
name: Burducea, I.
name: Bursche, A.
name: Buytaert, J.
name: Cadeddu, S.
name: Callot, O.
name: Calvi, M.
name: Gomez, M. Calvo
name: Camboni, A.
name: Campana, P.
name: Carbone, A.
name: Carboni, G.
name: Cardinale, R.
name: Cardini, A.
name: Carson, L.
name: Akiba, K. Carvalho
name: Casse, G.
name: Cattaneo, M.
name: Cauet, Ch.
name: Charles, M.
name: Charpentier, Ph.
name: Chiapolini, N.
name: Ciba, K.
name: Vidal, X. Cid
name: Ciezarek, G.
name: Clarke, P. E. L.
name: Clemencic, M.
name: Cliff, H. V.
name: Closier, J.
name: Coca, C.
name: Coco, V.
name: Cogan, J.
name: Collins, P.
name: Comerma-Montells, A.
name: Constantin, F.
name: Contu, A.
name: Cook, A.
name: Coombes, M.
name: Corti, G.
name: Cowan, G. A.
name: Currie, R.
name: D'Ambrosio, C.
name: David, P.
name: David, P. N. Y.
name: De Bonis, I.
name: De Capua, S.
name: De Cian, M.
name: De Lorenzi, F.
name: De Miranda, J. M.
name: De Paula, L.
name: De Simone, P.
name: Decamp, D.
name: Deckenhoff, M.
name: Degaudenzi, H.
name: Del Buono, L.
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name: Derkach, D.
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name: Dettori, F.
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name: Dossett, D.
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name: Dupertuis, F.
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name: Forty, R.
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name: Furcas, S.
name: Torreira, A. Gallas
name: Galli, D.
name: Gandelman, M.
name: Gandini, P.
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name: Garnier, J-C.
name: Garofoli, J.
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name: Gersabeck, M.
name: Gershon, T.
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name: Gibson, V.
name: Gligorov, V. V.
name: Göbel, C.
name: Golubkov, D.
name: Golutvin, A.
name: Gomes, A.
name: Gordon, H.
name: Gándara, M. Grabalosa
name: Diaz, R. Graciani
name: Cardoso, L. A. Granado
name: Graugés, E.
name: Graziani, G.
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name: Gregson, S.
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name: Hartmann, T.
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name: Karacson, M.
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name: Lazzeroni, C.
name: Gac, R. Le
name: van Leerdam, J.
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name: Lefèvre, R.
name: Leflat, A.
name: Lefrançois, J.
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name: Gioi, L. Li
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name: Liles, M.
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name: von Loeben, J.
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name: Yushchenko, O.
name: Zavertyaev, M.
name: Zhang, F.
name: Zhang, L.
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Publisher: name: arXiv
Year: 2011
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences
subject: FOS: Physical sciences

description: A study of mixing and indirect CP violation in D0 mesons through the determination of the parameters y_CP and A_Γ is presented. The parameter y_CP is the deviation from unity of the ratio of effective lifetimes measured in D0 decays to the CP eigenstate K+K- with respect to decays to the Cabibbo favoured mode K-π+. The result measured using data collected by LHCb in 2010, corresponding to an integrated luminosity of 29 pb^-1, is y_CP = (5.5+/-6.3_{stat}+/-4.1_{syst}) x 10^-3. The parameter A_Γ is the asymmetry of effective lifetimes measured in decays of D0 and anti-D0 mesons to K+K-. The result is A_Γ = (-5.9+/-5.9_{stat}+/-2.1_{syst}) x 10^-3. A data-driven technique is used to correct for lifetime-biasing effects.
description: Submitted to JHEP