Measurement of CP observables in B0 → DK ∗0 with D →K+ K

Aaij, R. et al. (2013) Measurement of CP observables in B0 → DK ∗0 with D →K+ K. Journal of High Energy Physics, 2013(67), (doi:10.1007/JHEP03(2013)067)

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Abstract

The decay B 0 → DK *0 and the charge conjugate mode are studied using 1.0 fb−1 of pp collision data collected by the LHCb experiment at s√=7 TeV in 2011. The CP asymmetry between the B 0 → DK *0 and the B−−0→DK−−∗0 decay rates, with the neutral D meson in the CP-even final state K + K −, is found to be AKKd=−0.45±0.23±0.02, where the first uncertainty is statistical and the second is systematic. In addition, favoured B 0 → DK *0 decays are reconstructed with the D meson in the non-CP eigenstate K +π−. The ratio of the B-flavour averaged decay rates in D decays to CP and non-CP eigenstates is measured to be RKKd=1.36+0.37−0.32±0.07, where the ratio of the branching fractions of D 0 → K −π+ to D 0 → K + K − decays is included as multiplicative factor. The CP asymmetries measured with two control channels, the favoured B 0 → DK *0 decay with D → K +π− and the B−−0s→DK∗0 decay with D→K + K −, are also reported.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Pappagallo, Dr Marco and Alexander, Dr Michael and Spradlin, Dr Patrick and MacRaighne, Dr Aaron and Rodrigues, Dr Eduardo and Bates, Mrs Alison and Soler, Professor Paul and Borghi, Dr Silvia and Eklund, Professor Lars
Authors: Aaij, R., Beteta, C. A., Adametz, A., Adeva, B., Adinolfi, M., Adrover, C., Affolder, A., Ajaltouni, Z., Albrecht, J., Alessio, F., Alexander, M., Ali, S., Alkhazov, G., Cartelle, P. A., Alves, A. A., Amato, S., Amhis, Y., Anderlini, L., Anderson, J., Andreassen, R., Appleby, R. B., Gutierrez, O. A., Archilli, 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., Bates, A., Bauer, T., Bay, A., Beddow, J., Bediaga, I., Belogurov, S., Belous, K., Belyaev, I., Ben-Haim, E., Benayoun, M., Bencivenni, G., Benson, S., Benton, J., Berezhnoy, A., Bernet, R., Bettler, M.-O., Beuzekom, M., Bien, A., Bifani, S., Bird, T., Bizzeti, A., Bjørnstad, P. M., Blake, T., Blanc, F., Blanks, C., Blouw, J., Blusk, S., Bobrov, A., Bocci, V., Bondar, A., Bondar, N., Bonivento, W., Borghi, S., Borgia, A., Bowcock, T. J. V., Bowen, E., Bozzi, C., Brambach, T., Brand, J., Bressieux, J., Brett, D., Britsch, M., Britton, T., Brook, N. H., Brown, H., Büchler-Germann, A., Burducea, I., Bursche, A., Buytaert, J., Cadeddu, S., Callot, O., Calvi, M., Gomez, M. C., Camboni, A., Campana, P., Carbone, A., Carboni, G., Cardinale, R., Cardini, A., Carranza-Mejia, H., Carson, L., Akiba, K. C., Casse, G., Cattaneo, M., Cauet, C., Charles, M., Charpentier, P., Chen, P., Chiapolini, N., Chrzaszcz, M., Ciba, K., Vidal, X. C., Ciezarek, 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., Corti, G., Couturier, B., Cowan, G. A., Craik, D., Cunliffe, S., Currie, R., D’Ambrosio, C., David, P., David, P. N. Y., Bonis, I., Bruyn, K., Capua, S., Cian, M., Miranda, J. M., Paula, L., Silva, W., Simone, P., Decamp, D., Deckenhoff, M., Degaudenzi, H., Buono, L., Deplano, C., Derkach, D., Deschamps, O., Dettori, F., Canto, A., Dickens, J., Dijkstra, H., Batista, P. D., Dogaru, M., Bonal, F. D., Donleavy, S., Dordei, F., Suárez, A. D., Dossett, D., Dovbnya, A., Dupertuis, F., Dzhelyadin, R., Dziurda, A., Dzyuba, A., Easo, S., Egede, U., Egorychev, V., Eidelman, S., Eijk, D., Eisenhardt, S., Eitschberger, U., Ekelhof, R., Eklund, L., Rifai, I., Elsasser, C., Elsby, D., Falabella, A., Färber, C., Fardell, G., Farinelli, C., Farry, S., Fave, V., Ferguson, D., Albor, V. F., Rodrigues, F. F., Ferro-Luzzi, M., Filippov, S., Fitzpatrick, C., Fontana, M., Fontanelli, F., Forty, R., Francisco, O., Frank, M., Frei, C., Frosini, M., Furcas, S., Furfaro, E., Torreira, A. G., Galli, D., Gandelman, M., Gandini, P., Gao, Y., Garofoli, J., Garosi, P., Tico, J. G., Garrido, L., Gaspar, C., Gauld, R., Gersabeck, E., Gersabeck, M., Gershon, T., Ghez, P., Gibson, V., Gligorov, V. V., Göbel, C., Golubkov, D., Golutvin, A., Gomes, A., Gordon, H., Gándara, M. G., Diaz, R. G., Cardoso, L. A. G., Graugés, E., Graziani, G., Grecu, A., Greening, E., Gregson, S., Grünberg, O., Gui, B., Gushchin, E., Guz, Y., 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., Harrison, P. F., Hartmann, T., He, J., Heijne, V., Hennessy, K., Henrard, P., Morata, J. A. H., 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., Ilten, P., Imong, J., Jacobsson, R., Jaeger, A., Jans, E., Jansen, F., Jaton, P., Jing, F., John, M., Johnson, D., Jones, C. R., Jost, B., Kaballo, M., Kandybei, S., Karacson, M., Karbach, T. M., Kenyon, I. 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L., Trigo, E. P., Yzquierdo, A. P.-C., Perret, P., Perrin-Terrin, M., Pessina, G., Petridis, K., Petrolini, A., Phan, A., Olloqui, E. P., Pietrzyk, B., Pilař, T., Pinci, D., Playfer, S., Casasus, M. P., Polci, F., Polok, G., Poluektov, A., Polycarpo, E., Popov, D., Popovici, B., Potterat, C., Powell, A., Prisciandaro, J., Pugatch, V., Navarro, A. P., Qian, W., Rademacker, J. H., Rakotomiaramanana, B., Rangel, M. S., Raniuk, I., Rauschmayr, N., Raven, G., Redford, S., Reid, M. M., Reis, A. C., Ricciardi, S., Richards, A., Rinnert, K., Molina, V. R., Romero, D. A. R., Robbe, P., Rodrigues, E., Perez, P. R., Rogers, G. J., Roiser, S., Romanovsky, V., Vidal, A. R., Rouvinet, J., Ruf, T., Ruiz, H., Sabatino, G., Silva, J. J. S., Sagidova, N., Sail, P., Saitta, B., Salzmann, C., Sedes, B. S., Sannino, M., Santacesaria, R., Rios, C. S., Santovetti, E., Sapunov, M., Sarti, A., Satriano, C., Satta, A., Savrie, M., Savrina, D., Schaack, P., Schiller, M., Schindler, H., Schleich, S., Schlupp, M., Schmelling, M., Schmidt, B., Schneider, O., Schopper, A., Schune, M.-H., Schwemmer, R., Sciascia, B., Sciubba, A., Seco, M., Semennikov, A., Senderowska, K., Sepp, I., Serra, N., Serrano, J., Seyfert, P., Shapkin, M., Shapoval, I., Shatalov, P., Shcheglov, Y., Shears, T., Shekhtman, L., Shevchenko, O., Shevchenko, V., Shires, A., Coutinho, R. S., Skwarnicki, T., Smith, N. A., Smith, E., Smith, M., Sobczak, K., Sokoloff, M. D., Soler, F. J. P., Soomro, F., Souza, D., Paula, B. S., Spaan, B., Sparkes, A., Spradlin, P., Stagni, F., Stahl, S., Steinkamp, O., Stoica, S., Stone, S., Storaci, B., Straticiuc, M., Straumann, U., Subbiah, V. 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A., Wright, S., Wu, S., Wyllie, K., Xie, Y., Xing, F., Xing, Z., Yang, Z., Young, R., Yuan, X., Yushchenko, O., Zangoli, M., Zavertyaev, M., Zhang, F., Zhang, L., Zhang, W. C., Zhang, Y., Zhelezov, A., Zhokhov, A., Zhong, L., and Zvyagin, A.
College/School:College of Science and Engineering > School of Physics and Astronomy
Journal Name:Journal of High Energy Physics
Publisher:Springer
ISSN:1029-8479
Copyright Holders:Copyright © 2013 CERN, for the benefit of the LHCb collaboration
First Published:First published in Journal of High Energy Physics 2013:67
Publisher Policy:Reproduced under a Creative Commons License

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