Studies of beauty baryon decays to D 0 ph − and Λ þ c h − final states
R. Aaij, Bernardo Adeva, Marianna Adinolfi, C. Adrover, A. A. Affolder, Ziad Ajaltouni, Johannes Albrecht,Federico Alessio, Magazinov Alexander,S. Ali, Georgy Alkhazov, Paula Alvarez Cartelle, A. A. Alves,Sandra Amato, Silvia Amerio, Yasmine Sara Amhis,Lucio Anderlini, J. Anderson, Rikke Andreassen, Mirco Andreotti, Julian E. Andrews,Robert Appleby, Osvaldo Aquines Gutiérrez, Flavio Archilli, Andrei Artamonov,Marina Artuso,Elie Aslanides, Giulio Auriemma,Marouen Baalouch,Sebastian Bachmann, John J. Back, A. Badalov,Vladislav Balagura,Wander Baldini, R. J. Barlow,Colin Barschel,Sergey Barsuk,W. Barter, V. Batozskaya,Th. Bauer, Anders Bay, John Beddow, F. Bedeschi, Ignacio Bediaga, S. V. Belogurov, Konstantin Belous,Igor Belyaev,Eric Benhaim, Giovanni Bencivenni, Sally Benson,Jack S Benton, A. Berezhnoy, R. Bernet, M. O. Bettler, Martinus van Beuzekom, Anna Bieñ,Simone Bifani,Thomas Bird, Andrea Bizzeti, P. M. Bjørnstad, Thomas Blake, Fr'ed'eric Blanc, Johan Blouw, Steven Blusk, Valerio Bocci, Alexander Bondar, N. N. Bondar, Walter Bonivento,Silvia Borghi, A. Borgia, Themistocles Bowcock, Eleanor Bowen, C. Bozzi,T. Brambach,J. van den Brand, J. Bressieux,Dan Brett, Markward Britsch, Tom Britton, N. H. Brook, Hanbury Brown, Albert Bursche, Giorgio Busetto, Jean Buytaert,Sandro Cadeddu,Roberto Calabrese, Olivier Callot, Marta Calvi, Míriam Calvo Gómez,Alessandro Camboni,Pierluigi Campana,Daniel Hugo Cámpora Pérez,Angelo Carbone, Giovanni Carboni,Roberta Cardinale, Alessandro Cardini, H. Carranza-Mejia, L. Carson,K. Carvalho Akiba, G. Casse,L. Castillo Garcia,Marco Cattaneo,Ch. Cauet, Riccardo Cenci,Mj Charles,Ph. Charpentier,S. F. Cheung, Nicola Chiapolini, Marcin Chrząszcz,Krzysztof Ciba,X. Cid Vidal, Gregory Ciezarek, P. E. L. Clarke, Marco Clemencic, Harry Cliff, Joel Closier, C. Coca, Victor Coco, Julien Cogan, Eric Cogneras, Paula Collins,Albert Comerma-Montells,Andrea Contu, Adam Cook, M. Coombes, Samuel Coquereau, Gloria Corti, Benjamin Couturier,G. A. Cowan, Daniel C. Craik, Melissa Maria Cruz Torres, Samuel Cunliffe,Rob Currie, Claudia D'Ambrosio, Jeremy Dalseno, P. N. Y. David, A. Davis, Isabelle de Bonis, Kristof De Bruyn, Stefano de Capua, Michel De Cian, Jussara M. de Miranda, Leandro Vinhas de Paula,W. De Silva,P. De Simone, Daniel Decamp, Mirko Deckenhoff, Luigi Del Buono, Nicolas Déléage, Denis Derkach, Olivier Deschamps,Francesco Dettori, Angelo Di Canto, H. G. Six Dijkstra, Mariana Dogaru, S. Domingo Donleavy, Francesca Dordei, Piotr Dorosz, A. Suárez, David Dossett, Anatoliy Dovbnya, F. Dupertuis, Paolo Durante, Rustem Dzhelyadin, Agnieszka Dziurda, Alexey Dzyuba, Santhosh Easo, Ulrik Egede,V. Egorychev,Semen Eidelman, Daan van Eijk,Stephan Eisenhardt, Ulrich Eitschberger, Robert Ekelhof,Lars Eklund, Ibrahim El Rifai,Ch. Elsasser, Antonio Falabella, C. Färber,Ciro Farinelli, Stephen Farry, D. Ferguson,V. Fernandez Albor, Fernando Luiz Ferreira Rodrigues, Massimiliano Ferro-Luzzi, Sergey Filippov, M. Fiore, Massimiliano Fiorini,C. Fitzpatrick, M. Fontana, Flavio Fontanelli, R. Forty,O. De Aguiar Francisco,Martin Frank, Christoph Frei, Mikael Frosini, Emiliano Furfaro,A. Gallas Torreira, Diana Galli, Miriam Gandelman, Piero Gandini, Yan Gao, J. Garofoli, Paola Garosi, Jordi Garra Tico, L. Garrido, Clara Gaspar, Richard Gauld,Evelina Gersabeck,Marco Gersabeck, T J Gershon,Ph. Ghez, Valerie Gibson, L. Giubega, V. V. Gligorov, Carla Göbel, Dmitry Golubkov,Andrey Golutvin,André Gomes,Hamish Gordon, Marc Grabalosa Gándara,R. Graciani Diaz,L. A. Granado Cardoso,Eugeni Grauges, Giacomo Graziani,Alexandru Grecu, Sam Gregson, Peter Griffith, Lucia Grillo, Oliver Grünberg, E. Gushchin, Thierry Gys, Ch. Hadjivasiliou, Guido Haefeli,Christophe Haen, T. W. Hafkenscheid, S. Hall,Brian Hamilton,Thomas Hampson,Stephanie Hansmann-Menzemer, Neville Harnew, S. T. Harnew,Jonathan Harrison, Torsten Hartmann,Veerle Heijne, Karol Hennessy, Pierre Henrard, José Angel Hernando Morata, Eric van Herwijnen,Markus Hess, Adlène Hicheur,Elizabeth Hicks, Donal Hill, M. Hoballah, P. H. Hopchev, Wouter Hulsbergen, P. Hunt, T. Huse, N. Hussain semanticscholar（2013）
摘要
Decays of beauty baryons to the D0ph− and Λc h − final states (where h indicates a pion or a kaon) are studied using a data sample of pp collisions, corresponding to an integrated luminosity of 1.0 fb−1, collected by the LHCb detector. The Cabibbosuppressed decays Λb → D0pK− and Λb → Λc K− are observed and their branching fractions are measured with respect to the decays Λb → D0pπ− and Λb → Λc π−. In addition, the first observation is reported of the decay of the neutral beauty-strange baryon Ξ0 b to the D 0pK− final state, and a measurement of the Ξ0 b mass is performed. Evidence of the Ξ0 b → Λc K− decay is also reported. Submitted to Phys. Rev. D c © CERN on behalf of the LHCb collaboration, license CC-BY-3.0. †Authors are listed on the following pages. ar X iv :1 31 1. 48 23 v1 [ he pex ] 1 9 N ov 2 01 3
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