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First observation and amplitude analysis of the BD+Kπ decay

R. Aaij41, B. Adeva37, M. Adinolfi46, A. Affolder52, Z. Ajaltouni5, S. Akar6, J. Albrecht9, F. Alessio38, M. Alexander51 et al. (LHCb Collaboration)

M. Alexander51, S. Ali41, G. Alkhazov30, P. Alvarez Cartelle53, A. A. Alves, Jr.57, S. Amato2, S. Amerio22, Y. Amhis7, L. An3, L. Anderlini17,a, J. Anderson40, M. Andreotti16,b, J. E. Andrews58, R. B. Appleby54, O. Aquines Gutierrez10, F. Archilli38, A. Artamonov35, M. Artuso59, E. Aslanides6, G. Auriemma25,c, M. Baalouch5, S. Bachmann11, J. J. Back48, A. Badalov36, C. Baesso60, W. Baldini16,38, R. J. Barlow54, C. Barschel38, S. Barsuk7, W. Barter38, V. Batozskaya28, V. Battista39, A. Bay39, L. Beaucourt4, J. Beddow51, F. Bedeschi23, I. Bediaga1, L. J. Bel41, I. Belyaev31, E. Ben-Haim8, G. Bencivenni18, S. Benson38, J. Benton46, A. Berezhnoy32, R. Bernet40, A. Bertolin22, M.-O. Bettler38, M. van Beuzekom41, A. Bien11, S. Bifani45, T. Bird54, A. Bizzeti17,d, T. Blake48, F. Blanc39, J. Blouw10, S. Blusk59, V. Bocci25, A. Bondar34, N. Bondar30,38, W. Bonivento15, S. Borghi54, A. Borgia59, M. Borsato7, T. J. V. Bowcock52, E. Bowen40, C. Bozzi16, S. Braun11, D. Brett54, M. Britsch10, T. Britton59, J. Brodzicka54, N. H. Brook46, A. Bursche40, J. Buytaert38, S. Cadeddu15, R. Calabrese16,b, M. Calvi20,e, M. Calvo Gomez36,f, P. Campana18, D. Campora Perez38, L. Capriotti54, A. Carbone14,g, G. Carboni24,h, R. Cardinale19,i, A. Cardini15, P. Carniti20, L. Carson50, K. Carvalho Akiba2,38, R. Casanova Mohr36, G. Casse52, L. Cassina20,e, L. Castillo Garcia38, M. Cattaneo38, Ch. Cauet9, G. Cavallero19, R. Cenci23,j, M. Charles8, Ph. Charpentier38, M. Chefdeville4, S. Chen54, S.-F. Cheung55, N. Chiapolini40, M. Chrzaszcz40,26, X. Cid Vidal38, G. Ciezarek41, P. E. L. Clarke50, M. Clemencic38, H. V. Cliff47, J. Closier38, V. Coco38, J. Cogan6, E. Cogneras5, V. Cogoni15,k, L. Cojocariu29, G. Collazuol22, P. Collins38, A. Comerma-Montells11, A. Contu15,38, A. Cook46, M. Coombes46, S. Coquereau8, G. Corti38, M. Corvo16,b, I. Counts56, B. Couturier38, G. A. Cowan50, D. C. Craik48, A. C. Crocombe48, M. Cruz Torres60, S. Cunliffe53, R. Currie53, C. D’Ambrosio38, J. Dalseno46, P. N. Y. David41, A. Davis57, K. De Bruyn41, S. De Capua54, M. De Cian11, J. M. De Miranda1, L. De Paula2, W. De Silva57, P. De Simone18, C.-T. Dean51, D. Decamp4, M. Deckenhoff9, L. Del Buono8, N. Déléage4, D. Derkach55, O. Deschamps5, F. Dettori38, B. Dey40, A. Di Canto38, F. Di Ruscio24, H. Dijkstra38, S. Donleavy52, F. Dordei11, M. Dorigo39, A. Dosil Suárez37, D. Dossett48, A. Dovbnya43, K. Dreimanis52, G. Dujany54, F. Dupertuis39, P. Durante38, R. Dzhelyadin35, A. Dziurda26, A. Dzyuba30, S. Easo49,38, U. Egede53, V. Egorychev31, S. Eidelman34, S. Eisenhardt50, U. Eitschberger9, R. Ekelhof9, L. Eklund51, I. El Rifai5, Ch. Elsasser40, S. Ely59, S. Esen11, H. M. Evans47, T. Evans55, A. Falabella14, C. Färber11, C. Farinelli41, N. Farley45, S. Farry52, R. Fay52, D. Ferguson50, V. Fernandez Albor37, F. Ferreira Rodrigues1, M. Ferro-Luzzi38, S. Filippov33, M. Fiore16,38,b, M. Fiorini16,b, M. Firlej27, C. Fitzpatrick39, T. Fiutowski27, P. Fol53, M. Fontana10, F. Fontanelli19,i, R. Forty38, O. Francisco2, M. Frank38, C. Frei38, M. Frosini17, J. Fu21,38, E. Furfaro24,h, A. Gallas Torreira37, D. Galli14,g, S. Gallorini22,38, S. Gambetta19,i, M. Gandelman2, P. Gandini55, Y. Gao3, J. García Pardiñas37, J. Garofoli59, J. Garra Tico47, L. Garrido36, D. Gascon36, C. Gaspar38, U. Gastaldi16, R. Gauld55, L. Gavardi9, G. Gazzoni5, A. Geraci21,l, E. Gersabeck11, M. Gersabeck54, T. Gershon48, Ph. Ghez4, A. Gianelle22, S. Gianì39, V. Gibson47, L. Giubega29, V. V. Gligorov38, C. Göbel60, D. Golubkov31, A. Golutvin53,31,38, A. Gomes1,m, C. Gotti20,e, M. Grabalosa Gándara5, R. Graciani Diaz36, L. A. Granado Cardoso38, E. Graugés36, E. Graverini40, G. Graziani17, A. Grecu29, E. Greening55, S. Gregson47, P. Griffith45, L. Grillo11, O. Grünberg63, B. Gui59, E. Gushchin33, Yu. Guz35,38, T. Gys38, C. Hadjivasiliou59, G. Haefeli39, C. Haen38, S. C. Haines47, S. Hall53, B. Hamilton58, T. Hampson46, X. Han11, S. Hansmann-Menzemer11, N. Harnew55, S. T. Harnew46, J. Harrison54, J. He38, T. Head39, V. Heijne41, K. Hennessy52, P. Henrard5, L. Henry8, J. A. Hernando Morata37, E. van Herwijnen38, M. Heß63, A. Hicheur2, D. Hill55, M. Hoballah5, C. Hombach54, W. Hulsbergen41, T. Humair53, N. Hussain55, D. Hutchcroft52, D. Hynds51, M. Idzik27, P. Ilten56, R. Jacobsson38, A. Jaeger11, J. Jalocha55, E. Jans41, A. Jawahery58, F. Jing3, M. John55, D. Johnson38, C. R. Jones47, C. Joram38, B. Jost38, N. Jurik59, S. Kandybei43, W. Kanso6, M. Karacson38, T. M. Karbach38, S. Karodia51, M. Kelsey59, I. R. Kenyon45, M. Kenzie38, T. Ketel42, B. Khanji20,38,e, C. Khurewathanakul39, S. Klaver54, K. Klimaszewski28, O. Kochebina7, M. Kolpin11, I. Komarov39, R. F. Koopman42, P. Koppenburg41,38, M. Korolev32, L. Kravchuk33, K. Kreplin11, M. Kreps48, G. Krocker11, P. Krokovny34, F. Kruse9, W. Kucewicz26,n, M. Kucharczyk26, V. Kudryavtsev34, K. Kurek28, T. Kvaratskheliya31, V. N. La Thi39, D. Lacarrere38, G. Lafferty54, A. Lai15, D. Lambert50, R. W. Lambert42, G. Lanfranchi18, C. 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Pietrzyk4, T. Pilař48, D. Pinci25, A. Pistone19, S. Playfer50, M. Plo Casasus37, T. Poikela38, F. Polci8, A. Poluektov48,34, I. Polyakov31, E. Polycarpo2, A. Popov35, D. Popov10, B. Popovici29, C. Potterat2, E. Price46, J. D. Price52, J. Prisciandaro39, A. Pritchard52, C. Prouve46, V. Pugatch44, A. Puig Navarro39, G. Punzi23,t, W. Qian4, R. Quagliani7,46, B. Rachwal26, J. H. Rademacker46, B. Rakotomiaramanana39, M. Rama23, M. S. Rangel2, I. Raniuk43, N. Rauschmayr38, G. Raven42, F. Redi53, S. Reichert54, M. M. Reid48, A. C. dos Reis1, S. Ricciardi49, S. Richards46, M. Rihl38, K. Rinnert52, V. Rives Molina36, P. Robbe7,38, A. B. Rodrigues1, E. Rodrigues54, J. A. Rodriguez Lopez62, P. Rodriguez Perez54, S. Roiser38, V. Romanovsky35, A. Romero Vidal37, M. Rotondo22, J. Rouvinet39, T. Ruf38, H. Ruiz36, P. Ruiz Valls66, J. J. Saborido Silva37, N. Sagidova30, P. Sail51, B. Saitta15,k, V. Salustino Guimaraes2, C. Sanchez Mayordomo66, B. Sanmartin Sedes37, R. Santacesaria25, C. Santamarina Rios37, E. Santovetti24,h, A. Sarti18,s, C. Satriano25,c, A. Satta24, D. M. Saunders46, D. Savrina31,32, M. Schiller38, H. Schindler38, M. Schlupp9, M. Schmelling10, B. Schmidt38, O. Schneider39, A. Schopper38, M.-H. Schune7, R. Schwemmer38, B. Sciascia18, A. Sciubba25,s, A. Semennikov31, I. Sepp53, N. Serra40, J. Serrano6, L. Sestini22, P. Seyfert11, M. Shapkin35, I. Shapoval16,43,b, Y. Shcheglov30, T. Shears52, L. Shekhtman34, V. Shevchenko64, A. Shires9, R. Silva Coutinho48, G. Simi22, M. Sirendi47, N. Skidmore46, I. Skillicorn51, T. Skwarnicki59, N. A. Smith52, E. Smith55,49, E. Smith53, J. Smith47, M. Smith54, H. Snoek41, M. D. Sokoloff57,38, F. J. P. Soler51, F. Soomro39, D. Souza46, B. Souza De Paula2, B. Spaan9, P. Spradlin51, S. Sridharan38, F. Stagni38, M. Stahl11, S. Stahl38, O. Steinkamp40, O. Stenyakin35, F. Sterpka59, S. Stevenson55, S. Stoica29, S. Stone59, B. Storaci40, S. Stracka23,j, M. Straticiuc29, U. Straumann40, R. Stroili22, L. Sun57, W. Sutcliffe53, K. Swientek27, S. Swientek9, V. Syropoulos42, M. Szczekowski28, P. Szczypka39,38, T. Szumlak27, S. T’Jampens4, M. Teklishyn7, G. Tellarini16,b, F. Teubert38, C. Thomas55, E. Thomas38, J. van Tilburg41, V. Tisserand4, M. Tobin39, J. Todd57, S. Tolk42, L. Tomassetti16,b, D. Tonelli38, S. Topp-Joergensen55, N. Torr55, E. Tournefier4, S. Tourneur39, K. Trabelsi39, M. T. Tran39, M. Tresch40, A. Trisovic38, A. Tsaregorodtsev6, P. Tsopelas41, N. Tuning41,38, M. Ubeda Garcia38, A. Ukleja28, A. Ustyuzhanin65, U. Uwer11, C. Vacca15,k, V. Vagnoni14, G. Valenti14, A. Vallier7, R. Vazquez Gomez18, P. Vazquez Regueiro37, C. Vázquez Sierra37, S. Vecchi16, J. J. Velthuis46, M. Veltri17,u, G. Veneziano39, M. Vesterinen11, J. V. Viana Barbosa38, B. Viaud7, D. Vieira2, M. Vieites Diaz37, X. Vilasis-Cardona36,f, A. Vollhardt40, D. Volyanskyy10, D. Voong46, A. Vorobyev30, V. Vorobyev34, C. Voß63, J. A. de Vries41, R. Waldi63, C. Wallace48, R. Wallace12, J. Walsh23, S. Wandernoth11, J. Wang59, D. R. Ward47, N. K. Watson45, D. Websdale53, A. Weiden40, M. Whitehead48, D. Wiedner11, G. Wilkinson55,38, M. Wilkinson59, M. Williams38, M. P. Williams45, M. Williams56, H. W. Wilschut67, F. F. Wilson49, J. Wimberley58, J. Wishahi9, W. Wislicki28, M. Witek26, G. Wormser7, S. A. Wotton47, S. Wright47, K. Wyllie38, Y. Xie61, Z. Xu39, Z. Yang3, X. Yuan34, O. Yushchenko35, M. Zangoli14, M. Zavertyaev10,v, L. Zhang3, Y. Zhang3, A. Zhelezov11, A. Zhokhov31, and L. Zhong3 (LHCb Collaboration)

  • 1Centro Brasileiro de Pesquisas Físicas (CBPF), Rio de Janeiro, Brazil
  • 2Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
  • 3Center for High Energy Physics, Tsinghua University, Beijing, China
  • 4LAPP, Université Savoie Mont-Blanc, CNRS/IN2P3, Annecy-Le-Vieux, France
  • 5Clermont Université, Université Blaise Pascal, CNRS/IN2P3, LPC, Clermont-Ferrand, France
  • 6CPPM, Aix-Marseille Université, CNRS/IN2P3, Marseille, France
  • 7LAL, Université Paris-Sud, CNRS/IN2P3, Orsay, France
  • 8LPNHE, Université Pierre et Marie Curie, Université Paris Diderot, CNRS/IN2P3, Paris, France
  • 9Fakultät Physik, Technische Universität Dortmund, Dortmund, Germany
  • 10Max-Planck-Institut für Kernphysik (MPIK), Heidelberg, Germany
  • 11Physikalisches Institut, Ruprecht-Karls-Universität Heidelberg, Heidelberg, Germany
  • 12School of Physics, University College Dublin, Dublin, Ireland
  • 13Sezione INFN di Bari, Bari, Italy
  • 14Sezione INFN di Bologna, Bologna, Italy
  • 15Sezione INFN di Cagliari, Cagliari, Italy
  • 16Sezione INFN di Ferrara, Ferrara, Italy
  • 17Sezione INFN di Firenze, Firenze, Italy
  • 18Laboratori Nazionali dell’INFN di Frascati, Frascati, Italy
  • 19Sezione INFN di Genova, Genova, Italy
  • 20Sezione INFN di Milano Bicocca, Milano, Italy
  • 21Sezione INFN di Milano, Milano, Italy
  • 22Sezione INFN di Padova, Padova, Italy
  • 23Sezione INFN di Pisa, Pisa, Italy
  • 24Sezione INFN di Roma Tor Vergata, Roma, Italy
  • 25Sezione INFN di Roma La Sapienza, Roma, Italy
  • 26Henryk Niewodniczanski Institute of Nuclear Physics Polish Academy of Sciences, Kraków, Poland
  • 27AGH - University of Science and Technology, Faculty of Physics and Applied Computer Science, Kraków, Poland
  • 28National Center for Nuclear Research (NCBJ), Warsaw, Poland
  • 29Horia Hulubei National Institute of Physics and Nuclear Engineering, Bucharest-Magurele, Romania
  • 30Petersburg Nuclear Physics Institute (PNPI), Gatchina, Russia
  • 31Institute of Theoretical and Experimental Physics (ITEP), Moscow, Russia
  • 32Institute of Nuclear Physics, Moscow State University (SINP MSU), Moscow, Russia
  • 33Institute for Nuclear Research of the Russian Academy of Sciences (INR RAN), Moscow, Russia
  • 34Budker Institute of Nuclear Physics (SB RAS) and Novosibirsk State University, Novosibirsk, Russia
  • 35Institute for High Energy Physics (IHEP), Protvino, Russia
  • 36Universitat de Barcelona, Barcelona, Spain
  • 37Universidad de Santiago de Compostela, Santiago de Compostela, Spain
  • 38European Organization for Nuclear Research (CERN), Geneva, Switzerland
  • 39Ecole Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
  • 40Physik-Institut, Universität Zürich, Zürich, Switzerland
  • 41Nikhef National Institute for Subatomic Physics, Amsterdam, The Netherlands
  • 42Nikhef National Institute for Subatomic Physics and VU University Amsterdam, Amsterdam, The Netherlands
  • 43NSC Kharkiv Institute of Physics and Technology (NSC KIPT), Kharkiv, Ukraine
  • 44Institute for Nuclear Research of the National Academy of Sciences (KINR), Kyiv, Ukraine
  • 45University of Birmingham, Birmingham, United Kingdom
  • 46H.H. Wills Physics Laboratory, University of Bristol, Bristol, United Kingdom
  • 47Cavendish Laboratory, University of Cambridge, Cambridge, United Kingdom
  • 48Department of Physics, University of Warwick, Coventry, United Kingdom
  • 49STFC Rutherford Appleton Laboratory, Didcot, United Kingdom
  • 50School of Physics and Astronomy, University of Edinburgh, Edinburgh, United Kingdom
  • 51School of Physics and Astronomy, University of Glasgow, Glasgow, United Kingdom
  • 52Oliver Lodge Laboratory, University of Liverpool, Liverpool, United Kingdom
  • 53Imperial College London, London, United Kingdom
  • 54School of Physics and Astronomy, University of Manchester, Manchester, United Kingdom
  • 55Department of Physics, University of Oxford, Oxford, United Kingdom
  • 56Massachusetts Institute of Technology, Cambridge, MA, United States
  • 57University of Cincinnati, Cincinnati, OH, United States
  • 58University of Maryland, College Park, MD, United States
  • 59Syracuse University, Syracuse, NY, United States
  • 60Pontifícia Universidade Católica do Rio de Janeiro (PUC-Rio), Rio de Janeiro, Brazil (associated with Institution Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil)
  • 61Institute of Particle Physics, Central China Normal University, Wuhan, Hubei, China (associated with Institution Center for High Energy Physics, Tsinghua University, Beijing, China)
  • 62Departamento de Fisica, Universidad Nacional de Colombia, Bogota, Colombia (associated with Institution LPNHE, Université Pierre et Marie Curie, Université Paris Diderot, CNRS/IN2P3, Paris, France)
  • 63Institut für Physik, Universität Rostock, Rostock, Germany (associated with Institution Physikalisches Institut, Ruprecht-Karls-Universität Heidelberg, Heidelberg, Germany)
  • 64National Research Centre Kurchatov Institute, Moscow, Russia (associated with Institution Institute of Theoretical and Experimental Physics (ITEP), Moscow, Russia)
  • 65Yandex School of Data Analysis, Moscow, Russia (associated with Institution Institute of Theoretical and Experimental Physics (ITEP), Moscow, Russia)
  • 66Instituto de Fisica Corpuscular (IFIC), Universitat de Valencia-CSIC, Valencia, Spain (associated with Institution Universitat de Barcelona, Barcelona, Spain)
  • 67Van Swinderen Institute, University of Groningen, Groningen, The Netherlands (associated with Institution Nikhef National Institute for Subatomic Physics, Amsterdam, The Netherlands)

  • *Full author list given at the end of the article.
  • aAlso at Università di Firenze, Firenze, Italy.
  • bAlso at Università di Ferrara, Ferrara, Italy.
  • cAlso at Università della Basilicata, Potenza, Italy.
  • dAlso at Università di Modena e Reggio Emilia, Modena, Italy.
  • eAlso at Università di Milano Bicocca, Milano, Italy.
  • fAlso at LIFAELS, La Salle, Universitat Ramon Llull, Barcelona, Spain.
  • gAlso at Università di Bologna, Bologna, Italy.
  • hAlso at Università di Roma Tor Vergata, Roma, Italy.
  • iAlso at Università di Genova, Genova, Italy.
  • jAlso at Scuola Normale Superiore, Pisa, Italy.
  • kAlso at Università di Cagliari, Cagliari, Italy.
  • lAlso at Politecnico di Milano, Milano, Italy.
  • mAlso at Universidade Federal do Triângulo Mineiro (UFTM), Uberaba-MG, Brazil.
  • nAlso at AGH - University of Science and Technology, Faculty of Computer Science, Electronics and Telecommunications, Kraków, Poland.
  • oAlso at Università di Padova, Padova, Italy.
  • pAlso at Hanoi University of Science, Hanoi, Viet Nam.
  • qAlso at Università di Bari, Bari, Italy.
  • rAlso at Università degli Studi di Milano, Milano, Italy.
  • sAlso at Università di Roma La Sapienza, Roma, Italy.
  • tAlso at Università di Pisa, Pisa, Italy.
  • uAlso at Università di Urbino, Urbino, Italy.
  • vAlso at P.N. Lebedev Physical Institute, Russian Academy of Science (LPI RAS), Moscow, Russia.

Phys. Rev. D 91, 092002 – Published 5 May, 2015Erratum Phys. Rev. D 93, 119901 (2016)

DOI: https://doi.org/10.1103/PhysRevD.91.092002

Abstract

The BD+Kπ decay is observed in a data sample corresponding to 3.0fb1 of pp collision data recorded by the LHCb experiment during 2011 and 2012. Its branching fraction is measured to be B(BD+Kπ)=(7.31±0.19±0.22±0.39)×105 where the uncertainties are statistical, systematic and from the branching fraction of the normalization channel BD+ππ, respectively. An amplitude analysis of the resonant structure of the BD+Kπ decay is used to measure the contributions from quasi-two-body BD0*(2400)0K, BD2*(2460)0K, and BDJ*(2760)0K decays, as well as from nonresonant sources. The DJ*(2760)0 resonance is determined to have spin 1.

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