Measurement of $C\!P$ asymmetries in two-body $B_{(s)}^{0}$-meson decays to charged pions and kaons

Roel Aaij Bernardo Adeva Marco Adinolfi Ziad Ajaltouni 1 Simon Akar Pietro Albicocco Johannes Albrecht Federico Alessio Michael Alexander Alejandro Alfonso Albero Suvayu Ali Georgy Alkhazov Paula Alvarez Cartelle Antonio Augusto Alves Sandra Amato Silvia Amerio Yasmine Amhis 2 Liupan An Lucio Anderlini Guido Andreassi Mirco Andreotti Jason Andrews Robert Appleby Flavio Archilli Philippe d'Argent Joan Arnau Romeu 3 Alexander Artamonov Marina Artuso Elie Aslanides 3 Michele Atzeni Giulio Auriemma Sebastian Bachmann John Back Sophie Baker Vladislav Balagura 2 Wander Baldini Alexander Baranov Roger Barlow Sergey Barsuk 2 William Barter Fedor Baryshnikov Varvara Batozskaya Vincenzo Battista Aurelio Bay John Beddow Franco Bedeschi Ignacio Bediaga Andrew Beiter Lennaert Bel Nikita Beliy Violaine Bellee Nicoletta Belloli Konstantin Belous Ivan Belyaev Eli Ben-Haim 4 Giovanni Bencivenni Sean Benson Sarah Beranek Alexander Berezhnoy Roland Bernet Daniel Berninghoff Emilie Bertholet 4 Alessandro Bertolin Christopher Betancourt Federico Betti Marc-Olivier Bettler Martinus van Beuzekom Iaroslava Bezshyiko Simone Bifani Pierre Billoir 4 Alex Birnkraut Andrea Bizzeti Mikkel Bjørn Thomas Blake Frederic Blanc Steven Blusk Valerio Bocci Oscar Boente Garcia Thomas Boettcher Alexander Bondar Nikolay Bondar Silvia Borghi Maxim Borisyak Martino Borsato Francesco Bossu 2 Meriem Boubdir Themistocles Bowcock Espen Eie Bowen Concezio Bozzi Svende Braun Michael Brodski Jolanta Brodzicka Davide Brundu Emma Buchanan Christopher Burr Albert Bursche Jan Buytaert Wiktor Byczynski Sandro Cadeddu Hao Cai Roberto Calabrese Ryan Calladine Marta Calvi Miriam Calvo Gomez Alessandro Camboni Pierluigi Campana Daniel Hugo Campora Perez Lorenzo Capriotti Angelo Carbone Giovanni Carboni Roberta Cardinale Alessandro Cardini Paolo Carniti Laurence Carson Kazuyoshi Carvalho Akiba Gianluigi Casse Lorenzo Cassina Marco Cattaneo Giovanni Cavallero Riccardo Cenci David Chamont 2 Matthew George Chapman Matthew Charles 4 Philippe Charpentier Georgios Chatzikonstantinidis Maximilien Chefdeville 5 Shanzhen Chen Stefan-Gabriel Chitic Veronika Chobanova Marcin Chrzaszcz Alexsei Chubykin Paolo Ciambrone Xabier Cid Vidal Gregory Ciezarek Peter Clarke Marco Clemencic Harry Cliff Joel Closier Victor Coco Julien Cogan 3 Eric Cogneras 1 Violetta Cogoni Lucian Cojocariu Paula Collins Tommaso Colombo Albert Comerma-Montells Andrea Contu George Coombs Samuel Coquereau Gloria Corti Marco Corvo Cayo Mar Costa Sobral Benjamin Couturier Greig Cowan Daniel Charles Craik Andrew Crocombe Melissa Maria Cruz Torres Robert Currie Carmelo d'Ambrosio Franciole da Cunha Marinho Cesar Luiz da Silva Elena Dall'Occo Jeremy Dalseno Anna Danilina Adam Davis Oscar de Aguiar Francisco Kristof de Bruyn Stefano de Capua Michel de Cian Jussara de Miranda Leandro de Paula Marilisa de Serio Patrizia de Simone Cameron Thomas Dean Daniel Decamp 5 Luigi del Buono 4 Blaise Delaney Hans Peter Dembinski Moritz Demmer Adam Dendek Denis Derkach Olivier Deschamps 1 Francesco Dettori Biplab Dey Angelo Di Canto Pasquale Di Nezza Sergey Didenko Hans Dijkstra Francesca Dordei Mirco Dorigo Alvaro Dosil Suárez Lauren Douglas Anatoliy Dovbnya Karlis Dreimanis Laurent Dufour Giulio Dujany 4 Paolo Durante John Matthew Durham Deepanwita Dutta Rustem Dzhelyadin Michal Dziewiecki Agnieszka Dziurda Alexey Dzyuba Sajan Easo Ulrik Egede Victor Egorychev Semen Eidelman Stephan Eisenhardt Ulrich Eitschberger Robert Ekelhof Lars Eklund Scott Ely Alexandru Ene Stephan Escher Sevda Esen Hannah Mary Evans Timothy Evans Antonio Falabella Nathanael Farley Stephen Farry Davide Fazzini Luca Federici Gerard Fernandez Placido Fernandez Declara Antonio Fernandez Prieto Fabio Ferrari Lino Ferreira Lopes Fernando Ferreira Rodrigues Massimiliano Ferro-Luzzi Sergey Filippov Rosa Anna Fini Massimiliano Fiorini Miroslaw Firlej Conor Fitzpatrick Tomasz Fiutowski Frederic Fleuret 2 Marianna Fontana Flavio Fontanelli Roger Forty Vinicius Franco Lima Markus Frank Christoph Frei Jinlin Fu Wolfgang Funk Christian Färber Emmy Gabriel Abraham Gallas Torreira Domenico Galli Stefano Gallorini Silvia Gambetta Miriam Gandelman Paolo Gandini Yuanning Gao Luis Miguel Garcia Martin Beatriz Garcia Plana Julián García Pardiñas Jordi Garra Tico Lluis Garrido David Gascon Clara Gaspar Laura Gavardi Giulio Gazzoni 1 David Gerick Evelina Gersabeck Marco Gersabeck Timothy Gershon Philippe Ghez 5 Sebastiana Gianì Valerie Gibson Olivier Göran Girard Lavinia-Helena Giubega Konstantin Gizdov Vladimir Gligorov 4 Dmitry Golubkov Andrey Golutvin Alvaro Gomes Igor Vladimirovich Gorelov Claudio Gotti Ekaterina Govorkova Jascha Peter Grabowski Ricardo Graciani Diaz Luis Alberto Granado Cardoso Eugeni Graugés Elena Graverini Giacomo Graziani Alexandru Grecu Roman Greim Peter Griffith Lucia Grillo Lukas Gruber Barak Raimond Gruberg Cazon Oliver Grünberg Evgeny Gushchin Yury Guz Thierry Gys Carla Göbel Thomas Hadavizadeh Christos Hadjivasiliou 1 Guido Haefeli Christophe Haen Susan Haines Brian Hamilton Xiaoxue Han Thomas Henry Hancock Stephanie Hansmann-Menzemer Neville Harnew Samuel Harnew Christoph Hasse Mark Hatch Jibo He Malte Hecker Kevin Heinicke Arno Heister Karol Hennessy Louis Henry Eric van Herwijnen Miriam Heß Adlène Hicheur Donal Hill Plamen Hristov Hopchev Wenhua Hu Wenqian Huang Zachary Huard Wouter Hulsbergen Thibaud Humair Mikhail Hushchyn David Hutchcroft Philipp Ibis Marek Idzik Philip Ilten Kuzma Ivshin Richard Jacobsson Pawel Jalocha Eddy Jans Abolhassan Jawahery Feng Jiang Malcolm John Daniel Johnson Christopher Jones Christian Joram Beat Jost Nathan Jurik Sergii Kandybei Matthias Karacson James Mwangi Kariuki Sarah Karodia Nikita Kazeev Matthieu Kecke Floris Keizer Matthew Kelsey Matthew Kenzie Tjeerd Ketel Egor Khairullin Basem Khanji Chitsanu Khurewathanakul Kyung Eun Kim Thomas Kirn Suzanne Klaver Konrad Klimaszewski Tatsiana Klimkovich Serhii Koliiev Michael Kolpin Renata Kopecna Patrick Koppenburg Sofia Kotriakhova Mohamad Kozeiha 1 Leonid Kravchuk Michal Kreps Felix Johannes Kress Pavel Krokovny Wojciech Krupa Wojciech Krzemien Wojciech Kucewicz Marcin Kucharczyk Vasily Kudryavtsev Axel Kevin Kuonen Tengiz Kvaratskheliya Daniel Lacarrere George Lafferty Adriano Lai Gaia Lanfranchi Christoph Langenbruch Thomas Latham Cristina Lazzeroni Renaud Le Gac 3 Alexander Leflat Jacques Lefrançois 2 Regis Lefèvre 1 Florian Lemaitre Olivier Leroy 3 Tadeusz Lesiak Blake Leverington Pei-Rong Li Tenglin Li Zhuoming Li Xixin Liang Tatiana Likhomanenko Rolf Lindner Federica Lionetto Vitalii Lisovskyi 2 Xuesong Liu David Loh Angelo Loi Iain Longstaff Jose Lopes Donatella Lucchesi Miriam Lucio Martinez Anna Lupato Eleonora Luppi Oliver Lupton Alberto Lusiani Xiao-Rui Lyu Frederic Machefert 2 Florin Maciuc Vladimir Macko Patrick Mackowiak Samuel Maddrell-Mander Oleg Maev Kevin Maguire Dmitrii Maisuzenko Maciej Witold Majewski Sneha Malde Bartosz Malecki Alexander Malinin Timofei Maltsev Giulia Manca Giampiero Mancinelli 3 Daniele Marangotto Jan Maratas 1 Jean François Marchand 5 Umberto Marconi Carla Marin Benito Matthieu Marinangeli Pietro Marino Jörg Marks Giuseppe Martellotti Morgan Martin 3 Maurizio Martinelli Diego Martinez Santos Fernando Martinez Vidal André Massafferri Rosen Matev Abhijit Mathad Zoltan Mathe Clara Matteuzzi Andrea Mauri Emilie Maurice 2 Brice Maurin Alexander Mazurov Michael Mccann Andrew Mcnab Ronan Mcnulty James Vincent Mead Brian Meadows Cedric Meaux 3 Frank Meier Nis Meinert Dmytro Melnychuk Marcel Merk Andrea Merli Emanuele Michielin Diego Alejandro Milanes Edward James Millard Marie-Noelle Minard 5 Luca Minzoni Dominik Stefan Mitzel Andrea Mogini 4 Josue Molina Rodriguez Titus Mombächer Igancio Alberto Monroy Stephane Monteil 1 Mauro Morandin Gianfranco Morello Michael Joseph Morello Olga Morgunova Jakub Moron Adam Benjamin Morris 3 Raymond Mountain Franz Muheim Mick Mulder Dominik Müller Janine Müller Katharina Müller Vanessa Müller Paras Naik 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Biagio Saitta Valdir Salustino Guimaraes Carlos Sanchez Mayordomo Brais Sanmartin Sedes Roberta Santacesaria Cibran Santamarina Rios Marco Santimaria Emanuele Santovetti Gediminas Sarpis Alessio Sarti Celestina Satriano Alessia Satta Darya Savrina Stefan Schael Margarete Schellenberg Manuel Schiller Heinrich Schindler Michael Schmelling Timon Schmelzer Burkhard Schmidt Olivier Schneider Andreas Schopper Hf Schreiner Maxime Schubiger Marie Helene Schune 2 Rainer Schwemmer Barbara Sciascia Adalberto Sciubba Alexander Semennikov Eduardo Enrique Sepulveda 4 Antonino Sergi Nicola Serra Justine Serrano 3 Lorenzo Sestini Paul Seyfert Mikhail Shapkin Yury Shcheglov Tara Shears Lev Shekhtman Vladimir Shevchenko Benedetto Gianluca Siddi Rafael Silva Coutinho Luiz Gustavo Silva de Oliveira Gabriele Simi Saverio Simone Nicola Skidmore Tomasz Skwarnicki Iwan Thomas Smith Mark Smith Lais Soares Lavra Michael Sokoloff Paul Soler Bruno Souza de Paula Bernhard Spaan Patrick Spradlin Federico Stagni Marian Stahl Sascha Stahl Pavol Stefko Slavomira Stefkova Olaf Steinkamp Simon Stemmle Oleg Stenyakin Margarita Stepanova Holger Stevens Sheldon Stone Barbara Storaci Simone Stracka Maria Elena Stramaglia Mihai Straticiuc Ulrich Straumann Sergey Strokov Jiayin Sun Liang Sun Krzysztof Swientek Vasileios Syropoulos Tomasz Szumlak Maciej Pawel Szymanski Stephane t'Jampens 5 Zhipeng Tang Andrey Tayduganov 3 Tobias Tekampe Giulia Tellarini Frederic Teubert Eric Thomas Jeroen van Tilburg Matthew James Tilley Vincent Tisserand 1 Mark Tobin Siim Tolk Luca Tomassetti Diego Tonelli Rafael Tourinho Jadallah Aoude Edwige Tournefier 5 Murdo Traill Minh Tâm Tran Marco Tresch Ana Trisovic Andrei Tsaregorodtsev 3 Alison Tully Niels Tuning Artur Ukleja Andrii Usachov 2 Andrey Ustyuzhanin Ulrich Uwer Claudia Vacca Alexander Vagner Vincenzo Vagnoni Andrea Valassi Sebastien Valat Giovanni Valenti Ricardo Vazquez Gomez Pablo Vazquez Regueiro Stefania Vecchi Maarten van Veghel Jaap Velthuis Michele Veltri Giovanni Veneziano Aravindhan Venkateswaran Tobias Anton Verlage Maxime Vernet 1 Mika Vesterinen Joao Vitor Viana Barbosa Daniel Vieira Maria Vieites Diaz Harald Viemann Xavier Vilasis-Cardona Arseniy Vitkovskiy Marcela Vitti Vladimir Volkov Achim Vollhardt Balazs Voneki Alexey Vorobyev Vitaly Vorobyev Christian Voß Jacco de Vries Carlos Vázquez Sierra Roland Waldi John Walsh Jianchun Wang Mengzhen Wang Yilong Wang Zhenzi Wang David Ward Heather Mckenzie Wark Nigel Watson David Websdale Andreas Weiden Constantin Weisser Mark Whitehead Jean Wicht Guy Wilkinson Michael Wilkinson Mark Richard James Williams Mike Williams Timothy Williams Fergus Wilson Jack Wimberley Michael Andreas Winn 2 Julian Wishahi Wojciech Wislicki Mariusz Witek Guy Wormser 2 Stephen Wotton Kenneth Wyllie Dong Xiao Yuehong Xie Ao Xu Menglin Xu Qingnian Xu Zehua Xu Zhirui Xu 5 Zhenwei Yang Zishuo Yang Yuezhe Yao Hang Yin Jiesheng Yu Xuhao Yuan Oleg Yushchenko Kristian Alexander Zarebski Mikhail Zavertyaev Liming Zhang Yanxi Zhang 2 Alexey Zhelezov Yangheng Zheng Xianglei Zhu Valery Zhukov Jennifer Brigitta Zonneveld Stefano Zucchelli
Abstract : The time-dependent CP asymmetries in B0→π+π- and Bs0→K+K- decays are measured using a data sample of p p collisions corresponding to an integrated luminosity of 3.0  fb-1, collected with the LHCb detector at center-of-mass energies of 7 and 8 TeV. The same data sample is used to measure the time-integrated CP asymmetries in B0→K+π- and Bs0→π+K- decays. The results are Cπ+π-=-0.34±0.06±0.01, Sπ+π-=-0.63±0.05±0.01, CK+K-=0.20±0.06±0.02, SK+K-=0.18±0.06±0.02, AK+K-ΔΓ=-0.79±0.07±0.10, ACPB0=-0.084±0.004±0.003, and ACPBs0=0.213±0.015±0.007, where the first uncertainties are statistical and the second systematic. Evidence for CP violation is found in the Bs0→K+K- decay for the first time.
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https://hal.archives-ouvertes.fr/hal-01801938
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Submitted on : Monday, May 28, 2018 - 6:23:31 PM
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Roel Aaij, Bernardo Adeva, Marco Adinolfi, Ziad Ajaltouni, Simon Akar, et al.. Measurement of $C\!P$ asymmetries in two-body $B_{(s)}^{0}$-meson decays to charged pions and kaons. Phys.Rev.D, 2018, 98 (3), pp.032004. ⟨10.1103/PhysRevD.98.032004⟩. ⟨hal-01801938⟩

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