First measurement of the CP-violating phase in Bs(0) → ϕϕ decays.

@article{Aaij2013FirstMO,
  title={First measurement of the CP-violating phase in Bs(0) → ϕϕ decays.},
  author={R. Aaij and C. Abell{\'a}n Beteta and B. Adeva and Matteo Adinolfi and C. Adrover and A. A. Affolder and Ziad J. Ajaltouni and Joachim Albrecht and Federico Alessio and Molassiotis Alexander and Shaukat Ali and G. D. Alkhazov and P. Alvarez Cartelle and Al{\'i}rio Alex Rosa Alves and Suzana Bencke Amato and Silvia Amerio and Y. Amhis and L. Anderlini and John C Anderson and Rune Andreassen and Robert B. Appleby and O. Aquines Gutierrez and F. Archilli and Andrew Vladimirovich Artamonov and Marina Artuso and E. Aslanides and Giulio Auriemma and Silke Bachmann and John Back and C. Baesso and V. Balagura and Wander Baldini and Rebecca Jo Barlow and Colin Barschel and Sergey Barsuk and William Barter and Th. S. Bauer and A S Bay and Jason Beddow and Franco Bedeschi and Ignacio Bediaga and S. G. Belogurov and K. S. Belous and Ivan V Belyaev and Eli Ben-Haim and Maurice Benayoun and Giovanni Bencivenni and S. Benson and J. R. Benton and Alexey A Berezhnoy and R. Bernet and M -O Bettler and Martin van Beuzekom and Anna Bie{\~n} and Simone Bifani and Timothy A. Bird and A. Bizzeti and P. M. Bj\ornstad and Thomas Blake and François-Xavier Blanc and Johan Blouw and Steven R Blusk and Valerio Bocci and Anna A Bondar and N. Ya. Bondar and Walter Bonivento and Silvana Borghi and Andrea Borgia and T. Bowcock and Elizabeth Bowen and C. Bozzi and T. Brambach and Jo van den Brand and J. Bressieux and Dan Brett and Markward Britsch and Tom Britton and N. H. Brook and H. Benjamin. Brown and I. Burducea and Aleksander Bursche and Giuseppe Busetto and J. A. M. A. Buytaert and Sandro Cadeddu and Olivier Callot and Marta Calvi and M. Calvo Gomez and A. Camboni and Pierluigi Campana and Daniel Hugo Campora Perez and Angelo Carbone and Graciela Carboni and Rossella Cardinale and Alessandro Cardini and H. Carranza-Mejia and Laura Carson and K. Carvalho Akiba and G. Casse and Marco Cattaneo and Ch. Cauet and Messrs Charles and P. Charpentier and Peixuan Chen and Nicola Chiapolini and M. Chrzaszcz and K. Ciba and X. Cid Vidal and Gregory Ciezarek and P. E. L. Clarke and M. Clemencic and H. V. Cliff and Joel Closier and Carmen Coca and Valeria F. Del Coco and J E Cogan and Eric Cogneras and Pat Collins and A. Comerma-Montells and Augusto Contu and Andrew Cook and Mike Coombes and S. Coquereau and Giacomo Corti and Benjamin Couturier and Greig A. Cowan and D. C. Craik and Sharon Cunliffe and Rebecca Currie and Claudia D'Ambrosio and P. N. Y. David and A. Davis and I. De Bonis and Kristof De Bruyn and S. de Capua and Marie-Cecile De Cian and J M De Miranda and Leonardo Koerich de Paula and Warusha Dhammika Dulantha de Silva and Patrizia De Simone and David Decamp and M. Deckenhoff and Luca Del Buono and Dmytro Derkach and O. Deschamps and Francesco Dettori and A. Di Canto and Henk Dijkstra and M. Dogaru and S. Domingo Donleavy and F. Dordei and A. Dosil Su{\'a}rez and Dena Dossett and A. M. Dovbnya and Frederic Dupertuis and R. I. Dzhelyadin and Adam Dziurda and Alexei Dzyuba and Sajan Easo and Ulrik Egede and V. Egorychev and Simon Eidelman and Daan J. van Eijk and Sara H Eisenhardt and Ulrich Eitschberger and R. Ekelhof and Lars Eklund and I. El Rifai and Ch. Elsasser and D. C. Elsby and Antonio Falabella and Ch. F{\"a}rber and Gemma Fardell and C. C. J. Farinelli and Stephen Farry and Vincent Fave and David Glen Ferguson and V. Fernandez Albor and F. Ferreira Rodrigues and M. Ferro-Luzzi and Sergei Filippov and Christopher Fitzpatrick and Marcella Fontana and F. Fontanelli and Roger Forty and O. De Aguiar Francisco and Markus Frank and Christoph Frei and Massimo Ferri Patrizio Frosini and S. Furcas and Enrico Furfaro and A. Gallas Torreira and Domenico Galli and Miriam Gandelman and Patricia Gandini and Yunpeng Gao and J. Garofoli and P. Garosi and J. Garra Tico and L. B. Garrido and Clara Gaspar and Rhorry Gauld and Edward F Gersabeck and Marco Gersabeck and Timothy Gershon and Ph. Ghez and Valerie Gibson and V. V. Gligorov and Carla G{\"o}bel and D. V. Golubkov and Andrei Golutvin and Anne Caroline C. Gomes and Hamish Gordon and M. Grabalosa G{\'a}ndara and R. Graciani Diaz and L. A. Granado Cardoso and Eugeni Grauges and G. Graziani and Alina Grecu and Emma Greening and Stuart Gregson and O. Gr{\"u}nberg and B. Gui and E. Gushchin and Yu. Guz and Thierry Gys and Ch. Hadjivasiliou and G. Haefeli and Craig Haen and Surthrival Haines and Simon R. G. Hall and Tom Hampson and Stephanie Hansmann-Menzemer and Neville Harnew and S. T. Harnew and J. Harrison and T L Hartmann and J He and Veerle Anna Margeretha Heijne and Karol Hennessy and Pierre Henrard and J. A. Hernando Morata and Eric van Herwijnen and Erin Hicks and Dorothea M. C. Hill and M. Hoballah and C. Hombach and P. H. Hopchev and Wouter Hulsbergen and Paul N. Hunt and T. Huse and N. Hussain and D. Hutchcroft and D. Hynds and V V Iakovenko and Marek Idzik and Philip Ilten and Richard Jacobsson and Andreas Jaeger and Eveline Jans and P. Jaton and Fanqi Jing and M. Samuel John and Donovan Johnson and Christopher K. R. T. Jones and Beat Jost and M. Kaballo and S. Kandybei and M. Karacson and Till Moritz Karbach and I. R. Kenyon and Ulrich Kerzel and Tjeerd J Ketel and Anna Keune and B. Khanji and O. Kochebina and I. Komarov and R. F. Koopman and Patrick Koppenburg and Maxim Korolev and A. Kozlinskiy and Leonid Kravchuk and Klaus Kreplin and Michal Kreps and G. Krocker and P. P. Krokovny and Florian Kruse and Mateusz Kucharczyk and Vitaly Kudryavtsev and T. Kvaratskheliya and V. N. La Thi and D. H. Lacarr{\`e}re and George Lafferty and Adriano Lai and Dominique Lambert and Robert G. Lambert and E. Lanciotti and Giordano Lanfranchi and Christina Langenbruch and T. Latham and Cristina Lazzeroni and R. Le Gac and Jan A van Leerdam and J -P Lees and R{\'e}gis Lef{\`e}vre and A. K. Leflat and J. Lefrancois and S. Leo and Oliviez Leroy and B. D. Leverington and Yuanjing. Li and L. Li Gioi and M. A. Liles and Richard Lindner and Cuneifolium Linn and Baodong Liu and Guoming Liu and Stefan Lohn and Ian Dennis Longstaff and Jorge Lopes and E. Lopez Asamar and Neus LOPEZ-MARCH and Hua-pu Lu and Donatella Lucchesi and J. Luisier and Huiqian Luo and F. Machefert and I. V. Machikhiliyan and Florin Maciuc and O. E. Maev and Sachit Malde and Giovanni Manca and Giampiero Mancinelli and Umberto Marconi and R. M{\"a}rki and Justin Marks and G. Martellotti and A. Martens and Lynn Martin and A. Mart{\'i}n S{\'a}nchez and Maurizio. Martinelli and D. Mart{\'i}nez Santos and D. Martins Tostes and A. Massafferri and R. Matev and Zsolt Mathe and Clara Matteuzzi and Emmanuel Maurice and Anatoly Mazurov and John McCarthy and Ronan McNulty and A. Mcnab and Barbara Meadows and Fabian W. Meier and M. Meissner and Marcel Merk and Diego A. Milan{\'e}s and M. N. Minard and J. Molina Rodriguez and S. Monteil and Dawn Moran and Piotr Morawski and Michelle Morello and Rachel Mountain and I. Mous and Franz Muheim and Klaus M{\"u}ller and R. Muresan and B. Muryn and Britta Muster and Pallavi Umesh Naik and Tatsuya Nakada and R. Nandakumar and Irina Nasteva and Micah Needham and Niko Neufeld and A. Dung Nguyen and Tung Doan Nguyen and C. Nguyen-Mau and Michael Nicol and Valentin Niess and Ramon Niet and Nikolai Nikitin and T. Nikodem and Andrei Nomerotski and Alexey Novoselov and A. Oblakowska-Mucha and V. A. Obraztsov and S. Oggero and Sandy Ogilvy and O. B. Okhrimenko and Roelof A. A. Oldeman and Monica Orlandea and J. M. Otalora Goicochea and Paul Owen and Arantza Oyanguren and Beerendra Kumar Pal and Antimo Palano and Matteo Palutan and Jaap Panman and Antonis Papanestis and M. Pappagallo and Chris Parkes and Charles Parkinson and Giovanni Passaleva and G. D. Patel and Mitesh Patel and Glen N. Patrick and C. Patrignani and C. Pavel-Nicorescu and A. Pazos Alvarez and Antonio Pellegrino and Giuseppe Penso and M. Pepe Altarelli and Stefano Perazzini and D. L. Perego and E. Perez Trigo and A. P{\'e}rez-Calero Yzquierdo and Pascal Perret and M. Perrin-Terrin and Gianluigi Pessina and Konstantinos Petridis and A. Petrolini and Anthony Phan and E. Picatoste Olloqui and B J Pietrzyk and The BRASS El Pilar and Davide Pinci and Stephen Playfer and M. Plo Casasus and F. Polci and G. Polok and A. O. Poluektov and E. Polycarpo and Du{\vs}an Popov and Bianca Popovici and C. Potterat and Andrew Powell and Jessica Prisciandaro and Valery Pugatch and A. Puig Navarro and Giovanni Punzi and Wenbin Qian and Jonas Rademacker and B. Rakotomiaramanana and Mendez Rangel and I. Raniuk and Nathalie Rauschmayr and G. Raven and S. Redford and M Masso Reid and Ant{\^o}nio Carlos Faria dos Reis and S{\'e}bastien Ricciardi and Anne Richards and Kurt Rinnert and V. Rives Molina and D. A. Roa Romero and Pieterjan Robbe and Elizandro Rodrigues and Paz Rodr{\'i}guez P{\'e}rez and S. Roiser and Vladimir Romanovsky and A. Romero Vidal and J. Rouvinet and Thomas Ruf and Fabrizio Ruffini and Hiram Ruiz and P. Ruiz Valls and Giovanni Sabatino and J. J. Saborido Silva and N. R. Sagidova and P. Sail and B. Saitta and Christophe Salzmann and B. Sanmartin Sedes and Marilena Sannino and Roberta Santacesaria and C. Santamarina Rios and Emanuele Santovetti and Matvey Sapunov and Alessio Sarti and Claudio Satriano and Alessandra Satta and M. Savri{\'e} and Daria Savrina and Prof. Dr. Wilhelm Schaack and Max Schiller and Harry Schindler and Meike V. F. Schlupp and Michael Schmelling and Benjamin Schmidt and Ohad Schneider and A W Schopper and M -H Schune and Rainer Schwemmer and B. Sciascia and Adalberto Sciubba and Marcos Seco and A. I. Semennikov and K. Senderowska},
  journal={Physical review letters},
  year={2013},
  volume={110 24},
  pages={241802}
}
A first flavor-tagged measurement of the time-dependent CP-violating asymmetry in B(s)(0) → ϕϕ decays is presented. In this decay channel, the CP-violating weak phase arises due to CP violation in the interference between B(s)(0)-B(s)(0) mixing and the b → sss gluonic penguin decay amplitude. Using a sample of pp collision data corresponding to an integrated luminosity of 1.0 fb(-1) and collected at a center-of-mass energy of 7 TeV with the LHCb detector, 880 B(s)(0) → ϕϕ signal decays are… CONTINUE READING
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