Observation of B(s)(0) → J/ψ f1(1285) decays and measurement of the f1(1285) mixing angle.

  title={Observation of B(s)(0) → J/ψ f1(1285) decays and measurement of the f1(1285) mixing angle.},
  author={Roel Aaij and Bernardo Adeva and Marianna Adinolfi and C. Adrover and Anthony Allen Affolder and Ziad Ajaltouni and John M. Albrecht and F. Alessio and Molassiotis Alexander and S. Ali and Georgy Alkhazov and P. Alvarez Cartelle and Alexandre Alves and Sandra Amato and Silvia Amerio and Yasmine Amhis and Letizia Anderlini and Jacob C. Anderson and Rikke Andreassen and Mirco Andreotti and Jennifer E. Andrews and R. B. Appleby and O. Aquines Gutierrez and Flavio Archilli and Anton Artamonov and Marina Artuso and Elie Aslanides and Giulio Auriemma and Marouen Baalouch and Silke Bachmann and J. J. Back and A. Badalov and Clarissa Baesso and V. Balagura and Wander Baldini and Rebecca Jo Barlow and Colin Barschel and S. Barsuk and W. A. M. Barter and Varvara Batozskaya and Th. Bauer and Anders Bay and John Beddow and Franco Bedeschi and Ignacio Bediaga and S. V. Belogurov and Konstantin Belous and I. Belyaev and Eli Ben-Haim and Giovanni Bencivenni and S. Benson and J. Benton and A. Yu. Berezhnoy and Roland Bernet and M O Bettler and Martin van Beuzekom and Agnieszka Bień and Simone Bifani and Tony Bird and Andrea Bizzeti and P. M. Bj{\o}rnstad and Thomas Blake and Fr'ed'eric Blanc and Johan Blouw and Steven Blusk and Valerio Bocci and A. Bondar and Natalia Bondar and Walter Bonivento and Silvia Borghi and A. Borgia and T. Bowcock and Emanuel Bowen and C Bozzi and Toni Brambach and J. F. J. van den Brand and J. Bressieux and D. Brett and Markward Britsch and Thos. Britton and N. H. Brook and H. Brown and Albert Bursche and Giorgio Busetto and Jan Buytaert and Sandro Cadeddu and Roberto Calabrese and Olivier Callot and M. Calvi and M. Calvo Gomez and Alessandro Camboni and Pierluigi Campana and Daniel Hugo C{\'a}mpora P{\'e}rez and Arianna Carbone and Giovanni Carboni and Roberta Cardinale and Alessandro Cardini and H. Carranza-Mejia and Laurence Carson and K. Carvalho Akiba and G. Casse and L. Castillo Garcia and Marco Cattaneo and Ch. Cauet and Riccardo Cenci and Messrs Charles and Ph. Charpentier and S. F. Cheung and Nicola Chiapolini and Marcin Chrząszcz and Krzysztof Ciba and X. Cid Vidal and Greg Ciezarek and P. E. L. Clarke and Marco Clemencic and H. V. Cliff and Joel Closier and Claudia Patricia Coca and Victor Coco and J. Cogan and Eric Cogneras and Paula Collins and Albert Comerma-Montells and Andrea Contu and Adam Cook and Matthew Coombes and Samuel Coquereau and G. Corti and B. Couturier and Greig A. Cowan and Daniel Charles Craik and M. Cruz Torres and Samuel Cunliffe and Robert Currie and Carmelo D'Ambrosio and P. N. Y. David and Austin Davis and I. De Bonis and Kate De Bruyn and S. de Capua and Marie-C{\'e}cile De Cian and Joari de Miranda and L. De Paula and Wasanthi De Silva and P. de Simone and Daniel Decamp and Mirko Deckenhoff and Luca Del Buono and Nicolas D{\'e}l{\'e}age and D. A. Derkach and Olivier Deschamps and Francesco Dettori and A. Di Canto and Hanna Dijkstra and Manuel Dogaru and S. Domingo Donleavy and Francesca Dordei and A. Dosil Su{\'a}rez and David Dossett and A. Dovbnya and F. Dupertuis and Paolo Durante and Rustem Dzhelyadin and A. Dziurda and A. M. Dzyuba and Sajan Easo and Ulrik Egede and V. Egorychev and Simon Eidelman and D. van Eijk and Stephan Eisenhardt and Ulrich Eitschberger and Robert Ekelhof and L. Eklund and I. El Rifai and Ch. Elsasser and Antonio Falabella and Christian Faerber and C. Farinelli and S. Farry and Deborah Ferguson and V. Fernandez Albor and F. Ferreira Rodrigues and Massimiliano Ferro-Luzzi and Stanislav A. Filippov and Marcelo Fiore and Massimiliano Fiorini and Caitlin Fitzpatrick and Marco Fontana and Flavio Fontanelli and R. W. Forty and O. Francisco and Markus Frank and Christopher Frei and Maddalena Frosini and Emiliano Furfaro and A. Gallas Torreira and Dina Galli and Miriam Gandelman and Piero Gandini and Yang Gao and J. Garofoli and P. Garosi and J. Garra Tico and L Oscar Dami{\'a}n Garrido and C. Navarro Gaspar and Richard M Gauld and Evelina Gersabeck and Marco Gersabeck and T J Gershon and Ph. Ghez and Virginia Gibson and L. Giubega and Vladimir Gligorov and Carla G{\"o}bel and Dmitry Golubkov and Andrei Golutvin and Alessandra Oliveira Ferrari Gomes and P. A. Gorbounov and H. Gordon and M. Grabalosa G{\'a}ndara and R. Graciani Diaz and L. A. Granado Cardoso and Eugeni Grauges and Giacomo Graziani and Andreea Madalina Grecu and E. Greening and Simon Gregson and Peter Griffith and Lucia Grillo and Oliver Gr{\"u}nberg and B. Gui and E. Gushchin and Yu. Guz and Thierry Gys and Ch. Hadjivasiliou and Guido Haefeli and Christophe Haen and Theo Hafkenscheid and S. C. Haines and Stephen Antony Hall and Brett Hamilton and Thomas Hampson and Stephanie Hansmann-Menzemer and Neville Harnew and S. T. Harnew and James William Harrison and T. Hartmann and J. He and Tom Head and V. Heijne and Karol Hennessy and Pierre Henrard and J. A. Hernando Morata and E. van Herwijnen and M. Hess and Adl{\`e}ne Hicheur and Erin Hicks and Dorothea M. C. Hill and Mostafa Hoballah and P. H. Hopchev and Wouter Hulsbergen and P. Hunt and T. Huse and N. Hussain and D. Hutchcroft and Daniel Hynds and Viktor Iakovenko and M. Idzik and Philip Ilten and Richard Jacobsson and Andreas Jaeger and Eddy Jans and Pierre Jaton and Abolhassan Jawahery and Fanqi Jing and M. John and D. Johnson and Carlos Jones and Christian Joram and Britta Jost and M. Kaballo and S. Kandybei and Walaa Kanso and Matthias Karacson and T. M. Karbach and Ian R. Kenyon and T. Ketel and Basem Khanji and Olga Kochebina and Ilya Komarov and Raymond F. Koopman and P. Koppenburg and M. Yu. Korolev and Alexandr Kozlinskiy and L. V. Kravchuk and K. Kreplin and Michal Kreps and Georg Alexander Krocker and P. Krokovny and Fabian Kruse and Mateusz Kucharczyk and V. Kudryavtsev and K. Kurek and Tengiz Kvaratskheliya and V. N. La Thi and Daniel Lacarrere and G. D. Lafferty and Adriano Lai and Dm Lambert and R. W. Lambert and Eudes Lanciotti and Gaia Lanfranchi and Christoph Langenbruch and T. Latham and Cristina Lazzeroni and R. Le Gac and Jan A van Leerdam and J. P. Lees and R. Lef{\`e}vre and Alexander Leflat and J J Lefrançois and Sabato Leo and Olivier Leroy and Tadeusz Lesiak and Blake Leverington and Yan-chun Li and L. Li Gioi and M. Liles and Richard Lindner and Christian Linn and B J Liu and Guanlin Liu and S. Lohn and I. Longstaff and Jorge Lopes and N. Lopez-march and H Q Lu and Donatella Lucchesi and J. Luisier and Hui-qian Luo and E. Luppi and Oliver Lupton and Frederic Machefert and I. V. Machikhiliyan and Florin Maciuc and O. E. Maev and Sneha Malde and Giulia Manca and G. Mancinelli and Jan Maratas and Umberto Marconi and Perfecto Mari{\~n}o and Raphael M{\"a}rki and Joerg Marks and Giuseppe Martellotti and Ann Martens and A. Mart{\'i}n S{\'a}nchez and Maurizio Martinelli and D. Mart{\'i}nez Santos and D. Martins Tostes and Alexander Martynov and Andr{\'e} Massafferri and R. Matev and Zoltan Mathe and Clara Matteuzzi and Emilie Maurice and Aleksey Mazurov and Michael John Mccann and James McCarthy and A Mcnab and Ronan Mcnulty and B. McSkelly and B. T. Meadows and Fabian Meier and Marco Meissner and M. Merk and D. A. Milanes and M.-N. Minard and J. Molina Rodriguez and St{\'e}phane Monteil and Dermot Moran and Piotr Morawski and Alessandro Mord{\`a} and M. J. Morello and Raymond Mountain and I. M. Mous and Franz Muheim and K. M{\"u}ller and R. Muresan and Bogdan Muryn and B. Muster and P. Naik and Taro Nakada and Raja Nandakumar and Irina Nasteva and Matthew Needham and Sebastian Neubert and Niko Neufeld and A. D. Nguyen and Tung D. Nguyen and Chung Nguyen-Mau and M. Nicol and Valentina Niess and Ramon Niet and Nikolai Nikitin and Thomas Nikodem and Andrei Nomerotski and Alexey Novoselov and A. Oblakowska-Mucha and Vladimir Obraztsov and S. Oggero and S. Ogilvy and Oksana Okhrimenko and Rudolf Oldeman and Gerco Onderwater and M. Orlandea and J. M. Otalora Goicochea and Paul Owen and Aitor Oyanguren and B. K. Pal and Antimo Palano and Matteo Palutan and Jaap Panman and Antonis Papanestis and Marco Pappagallo and Chris Parkes and C. J. Parkinson and Giovanni Passaleva and G. D. Patel and Maya Patel and G. N. Patrick and Claudia Patrignani and C. Pavel-Nicorescu and A. Pazos Alvarez and Andrew Pearce and Antonio Pellegrino and Gianni Penso and M. Pepe Altarelli and Stefano Perazzini and E. Perez Trigo and A. P{\'e}rez-Calero Yzquierdo and P. Perret and Mathieu Perrin-terrin and Luca Pescatore and Erhan Pesen and Gianluigi Pessina and Konstantinos A. Petridis and A. Petrolini and A. Phan and E. Picatoste Olloqui and Bolek Pietrzyk and Truchado Pilar and Davide Pinci and S. Playfer and M. Plo Casasus and Francesco Polci and G. Polok and A. Poluektov and Erica Polycarpo and Alexey V. Popov and Dmitry Popov and Be Popovici and C{\'e}dric Potterat and Andrew Martin Powell and Jessica Prisciandaro and Adrian Pritchard and Claire Prouve and V. Pugatch and A. Puig Navarro and Giovanni Punzi and Wangsheng Qian and Bartolomiej Rachwal and Jonas Rademacker and Barinjaka Rakotomiaramanana and M. S. Rangel and Iurii Raniuk and N. Rauschmayr and G. Raven and S. Redford and S. Reichert and Monique Reid and A. C. dos Reis and Stefania Ricciardi and A. O'l. Richards and Kurt Rinnert and V. Rives Molina and D. A. Roa Romero and Patrick Robbe and D. Aaron Roberts and A. B. Rodrigues and Eduardo Vilela Rodrigues and Paz Rodr{\'i}guez P{\'e}rez and Stefan Roiser and Vladimir E. Romanovsky and A. Romero Vidal and Michael Rotondo and Julien Rouvinet and Thomas Ruf},
  journal={Physical review letters},
  volume={112 9},
  • Roel Aaij, Bernardo Adeva, +497 authors Thomas Ruf
  • Published in Physical review letters 2013
  • Medicine, Physics
  • Decays of B(s)(0) and B(0) mesons into J/ψ π+π-π+π- final states, produced in pp collisions at the LHC, are investigated using data corresponding to an integrated luminosity of 3 fb-1 collected with the LHCb detector. B(s)(0) → J/ψ f1(1285) decays are seen for the first time, and the branching fractions are measured. Using these rates, the f1(1285) mixing angle between strange and nonstrange components of its wave function in the qq structure model is determined to be ±(24.0-2.6-0.8+3.1+0.6… CONTINUE READING

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