Search for Time-Dependent CP Violation in D0→π+π-π0 Decays
LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb, C. Abellán Beteta, F. Abudinén, T. Ackernley, A. A. Adefisoye, Bernardo Adeva, Marco Adinolfi, P. Adlarson, C. Agapopoulou, C. Aidala, Ziad Ajaltouni, Simon Akar, Kazuyoshi Akiba, P. Albicocco, J Mark Albrecht, F. Alessio, Michael Alexander, Zakariya Aliouche, Paula Alvarez Cartelle, R. Amalric, Sandra Amato, S. Amato, Y Amhis, Liupan An, Lucio Anderlini, M. Andersson, A. Andreianov, Pasquale Andreola, Mirco Andreotti, D. Andreou, Alessia Anelli, D. Ao, Flavio Archilli, Matteo Argenton, S. Arguedas Cuendis, Alexander Artamonov, Marina Artuso, Elie Aslanides, M. Atzeni, B. Audurier, D. Bacher, I. Bachiller, Sebastian Bachmann, Marie Bachmayer, John Back, P. Baladrón Rodríguez, Vladislav Balagura, Wander Baldini, H. Bao, J. Baptista de Souza Leite, M. Barbetti, I. R. Barbosa, RJ Barlow, Mikhail Barnyakov, Sergey Barsuk, W Barter, M. Bartolini, W. Barter, F. Baryshnikov, Jan-Marc Basels, G. Bassi, Baasansuren Batsukh, A. Battig, A. Bay, A. Beck, M. Becker, Franco Bedeschi, Ignacio Bediaga, S. Belin, Bellee, Konstantin Belous, I. Belov, Ivan Belyaev, G. Benane, G Bencivenni, Eli Ben-Haim, Alexander Berezhnoy, Roland Bernet, H. C. Bernstein, A Bertolin, Christopher Betancourt, Federico Betti, J. Bex, Ia. Bezshyiko, Iaroslava Bezshyiko, J. Bhom, M. S. Bieker, N. V. Biesuz, Pierre Billoir, A. Biolchini, M. Birch, F. C. R. Bishop, Alexander Bitadze, Andrea Bizzeti, T Blake, Frederic Blanc, J. E. Blank, Steven Blusk, Vladimir Bocharnikov, J. A. Boelhauve, O. Boente García, Thomas Boettcher, A. Bohare, A. S. Boldyrev, C. S. Bolognani, R. Bolzonella, Nikolay Bondar, F. Borgato, Silvia Borghi, Martino Borsato, J. T. Borsuk, S. A. Bouchiba, Themistocles Bowcock, A. Boyer, Concezio Bozzi, Matthew John Bradley, A. Brea Rodríguez, N. Breer, Jolanta Brodzicka, A. Brossa Gonzalo, J. Brown, D. Brundu, Emma Buchanan, A. Buonaura, L. Buonincontri, A. T. Burke, Christopher Burr, A. Butkevich, J. S. Butter, Jan Buytaert, W. Byczynski, Sandro Cadeddu, Hao Cai, Roberto Calabrese, S. Calderon Ramirez, Lukas Calefice, S. Cali, Marta Calvi, Miriam Calvo Gomez, P. Camargo Magalhaes, J. I. Cambon Bouzas, Pierluigi Campana, Daniel Hugo Campora Perez, A. Campoverde, S. Capelli, Lorenzo Capriotti, R. Caravaca-Mora, Angelo Carbone, L. Carcedo Salgado, Roberta Cardinale, Alessandro Cardini, Paolo Carniti, Leon David Carus, A. Casais Vidal, R. Caspary, Gianluigi Casse, J. Castro Godinez, Marco Cattaneo, Giovanni Cavallero, V. Cavallini, S. Celani, D. Červenkov, S. Cesare, A. J. Chadwick, Ibrahim Chahrour, M Charles, Philippe Charpentier, Ph. Charpentier, C. A. Chavez Barajas, Maximilien Chefdeville, 陈晨, Shanzhen Chen, Zewen Chen, A. Chernov, S. Chernyshenko, Chobanova, Serhii Cholak, Marcin Chrzaszcz, A. Chubykin, V. Chulikov, P. Ciambrone, Xabier Cid Vidal, Gregory Ciezarek, P. Cifra, P. E. L. Clarke, M Clemencic, Harry Cliff, Joel Closier, C. Cocha Toapaxi, Victor Coco, Julien Cogan, E Cogneras, Lucian Cojocariu, Paula Collins, T. Colombo, Albert Comerma-Montells, L. Congedo, Andrea Contu, N. Cooke, I. Corredoira, A. Correia, Gloria Corti, Josephine Jane Cottee Meldrum, Benjamin Couturier, Daniel Charles Craik, Melissa Maria Cruz Torres, Esteban Currás Rivera, Robert Currie, C. L. Da Silva, S. Dadabaev, L. Dai, X. Dai, E. Dall’Occo, Jeremy Dalseno, Carmelo D'Ambrosio, J. Daniel, A. Danilina, Philippe d'Argent, Alexander Davidson, J. E. Davies, Adam Davis, Oscar De Aguiar Francisco, Camilla de Angelis, Federico de Benedetti, J. de Boer, Kristof De Bruyn, Stefano De Capua, Michel De Cian, U. De Freitas Carneiro Da Graca, E. De Lucia, Jussara De Miranda, L A De Paula, Marilisa De Serio, Patrizia De Simone, P. De Simone, Jacco de Vries, F. Debernardis, Daniel Decamp, V. Dedu, Luigi Del Buono, B. Delaney, H.-P. Dembinski, J. Deng, V. Denysenko, Olivier Deschamps, Francesco Dettori, Biplab Dey, P. Di Nezza, I. Diachkov, S. Didenko, S. Ding, Y. Ding, Vasyl Dobishuk, A. D. Docheva, C. Dong, A. M. Donohoe, Francesca Dordei, Alberto dos Reis, A. D. Dowling, A. D. Dowling, W. Duan, P. Duda, M. W. Dudek, Laurent Dufour, V. Duk, Paolo Durante, M. M. Duras, J. M. Durham, Ozgur Durmus, Agnieszka Dziurda, Alexey Dzyuba, Sajan Easo, Ellinor Eckstein, Ulrik Egede, A. Egorychev, Victor Egorychev, Stephan Eisenhardt, E. Ejopu, S. Ek-In, Lars Eklund, Mohamed Elashri, J. Ellbracht, Scott Ely, A. Ene, E. Epple, Jonas Nathanael Eschle, Sevda Esen, Timothy Evans, F. Fabiano, L. N. Falcao, Y. Fan, B. Fang, L. Fantini, M. Faria, Karen Farmer, Davide Fazzini, D. Fazzini, Mingjie Feng, M. Féo, M. Fernández Gómez, Alex Daniel Fernez, Fabio Ferrari, Fernando Ferreira Rodrigues, S. Ferreres Sole, M. Ferrillo, Massimiliano Ferro-Luzzi, Sergey Filippov, R A Fini, Massimiliano Fiorini, K. Fischer, K. M. Fischer, D. S. Fitzgerald, Conor Fitzpatrick, Frederic Fleuret, Marianna Fontana, L. F. Foreman, M. Fontana, R W. Forty, D. Foulds-Holt, Manuel Franco Sevilla, Markus Frank, E. Franzoso, G. Frau, Christoph Frei, D. A. Friday, Fu J, Quentin Fuehring, Yuki Fujii, T. Fulghesu, E. Gabriel, G. Galati, M. D. Galati, Abraham Gallas Torreira, Domenico Galli, S Gambetta, Miriam Gandelman, Paolo Gandini, Bilal Ahmad Ganie, H. Gao, R. Gao, Y. Gao, Gao Y, M. Garau, Luis Miguel Garcia Martin, P. Garcia Moreno, Julián García Pardiñas, Kunal Garg, Lluis Garrido, Clara Gaspar, R. E. Geertsema, Louis Lenard Gerken, Evelina Gersabeck, Marco Gersabeck, Timothy Gershon, Zahra Ghorbanimoghaddam, L. Giambastiani, F. I. Giasemis, Valerie Gibson, V. Gibson, A. Gilman, M. Giovannetti, A. Gioventù, P. Gironella Gironell, C. Giugliano, M. A. Giza, E. L. Gkougkousis, F. C. Glaser, Vladimir Gligorov, Carla Göbel, E. Golobardes, Dmitry Golubkov, Andrey Golutvin, Alvaro Gomes, S. Gomez Fernandez, F. Goncalves Abrantes, M. Goncerz, G. Gong, J. A. Gooding, Igor Vladimirovich Gorelov, Claudio Gotti, J. P. Grabowski, Luis Alberto Granado Cardoso, Eugeni Graugés, Elena Graverini, L. Grazette, Giacomo Graziani, Alexandru Tudor Grecu, L. M. Greeven, N. A. Grieser, Lucia Grillo, S. Gromov, C. Gu, M. Guarise, M. Guittiere, V. Guliaeva, P. A. Günther, A.-K. Guseinov, Evgeny Gushchin, Yury Guz, Thierry Gys, K. Habermann, Thomas Hadavizadeh, Christos Hadjivasiliou, G J Haefeli, Christophe Haen, J. Haimberger, Mohammadtaghi Hajheidari, M. M. Halvorsen, P. M. Hamilton, J. Hammerich, Q. Han, Xiaoxue Han, Stephanie Hansmann-Menzemer, L. Hao, Neville Harnew, M. Hartmann, J. He, Frédéric Hemmer, C. Henderson, R. D. L. Henderson, Arthur Marius Hennequin, Karol Hennessy, Louis Henry, J. Herd, Paula Herrero Gascon, Johannes Heuel, Adlène Hicheur, Guillermo Hijano Mendizabal, Donal Hill, S. E. Hollitt, J. Horswill, X. Hu, Y. R. Hou, Ned Francis Howarth, R. J. Hunter, M. Hushchyn, D. Hutchcroft, W. Huang, Wouter Hulsbergen, W. D. Hulsbergen, Mikhail Hushchyn, D E. Hutchcroft, D. Ilin, Philip Ilten, A. 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Kupść, Bogdan Kutsenko, Daniel Lacarrere, Adriano Lai, A. Lampis, D. Lancierini, C. Landesa Gomez, J. J. Lane, R. Lane, Christoph Langenbruch, J. Langer, O. Lantwin, Thomas Latham, F. Lazzari, Cristina Lazzeroni, Renaud Le Gac, Regis Lefèvre, Alexander Leflat, S. Legotin, Marion Lehuraux, Edgar Lemos Cid, Olivier Leroy, Tadeusz Lesiak, Blake Leverington, A. Li, H. Li, K. Li, L. Li, Peilian Li, P. -R. Li, Q. Li, S. Li, T. Li, Tiange Li, T. Lin, R. Lindner, Z. Lian, X. Liang, Simone Libralon, C. X. Lin, Z. Li, V. Lisovskyi, Roman Litvinov, F. L. Liu, F. L. Liu, Guoming Liu, K. Liu, S. Liu, Y. Liu, Ying Liu, Yiwei Liu, A. Lobo Salvia, A. Loi, J. Lomba Castro, Thomas Long, J Leme Lopes, A. Lopez Huertas, S. López Soliño, C. Lucarelli, Donatella Lucchesi, Miriam Lucio Martinez, V. Lukashenko, Y. Luo, Anna Lupato, Eleonora Luppi, Kate Lynch, Xiao-Rui Lyu, GL Ma, R. Ma, S. Maccolini, Frederic Machefert, Florin Maciuc, F. Maciuc, I. Mackay, Lauren Grace Mackey, L. M. Mackey, L. R. Madhan Mohan, M. J. Madurai, A. Maevskiy, Daniel Magdalinski, D. Maisuzenko, Maciej Witold Majewski, J. J. Malczewski, Sneha Malde, Lorenzo Malentacca, Alexander Malinin, Timofei Maltsev, Giulia Manca, Giampiero Mancinelli, C. Mancuso, Rafel Manera Escalero, Daniele Manuzzi, D. Marangotto, Jean François Marchand, R. Marchevski, U Marconi, S. Mariani, Carla Marin Benito, Jörg Marks, Phillip John Marshall, G. Martelli, Giuseppe Martellotti, L. Martinazzoli, Maurizio Martinelli, Diego Martinez Santos, Fernando Martinez Vidal, André Massafferri, Rosen Matev, Abhijit Mathad, V. Matiunin, Clara Matteuzzi, K. R. Mattioli, Andrea Mauri, Emilie Maurice, J. Mauricio, Pierre Paul Louis Mayencourt, M. Mazurek, Michael McCann, L. Mcconnell, T. H. McGrath, N. T. McHugh, Andrew McNab, R. McNulty, Brian Meadows, G. Meier, Dmytro Melnychuk, F. M. Meng, M Merk, Andrea Merli, Lucas Meyer Garcia, D. Miao, H. Miao, M. Mikhasenko, Diego Alejandro Milanes, A. Minotti, E. Minucci, T. Miralles, B. Mitreska, Dominik Stefan Mitzel, Atanu Modak, A. Mödden, R. A. Mohammed, Razvan-Daniel Moise, S. Mokhnenko, T. Mombächer, I. A. Monroy, S Monteil, S. Monteil, G. Morello, Michael Joseph Morello, M. P. Morgenthaler, Adam Benjamin Morris, A. G. Morris, Raymond Mountain, H. Mu, Zeqing Mu, E. Muhammad, F Muheim, Mick Mulder, Katharina Müller, F. Muñoz-Rojas, Rebecca Murta, Paras Naik, Tatsuya Nakada, Raja Nandakumar, T. Nanut, Irina Nasteva, Matthew Needham, Nicola Neri, Sebastian Neubert, Niko Neufeld, Petr Neustroev, J. Nicolini, D. Nicotra, Elisabeth Maria Niel, Nikolay Nikitin, Pedro Nogarolli, Piet Nogga, N. S. Nolte, C. Normand, J. Novoa Fernandez, G. Nowak, C. Nunez, H. N. Nur, Agnieszka Oblakowska-Mucha, Vladimir Obraztsov, T. Oeser, S. Okamura, Artem Okhotnikov, Oleksandr Okhrimenko, Rudolf Oldeman, F. Oliva, M. Olocco, C. J. G. Onderwater, R. H. O’Neil, Juan Martin Otalora Goicochea, Patrick Owen, Maria Aranzazu Oyanguren, Ö. Özçelik, Klaas Padeken, B. Pagare, P. Pais, T. 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Rattachement africain : de. Niveau de preuve : code pays fourni par la source.
Le résumé fourni par la source
A measurement of time-dependent $CP$ violation in $D^0 \rightarrow π^+ π^- π^0$ decays using a $pp$ collision data sample collected by the LHCb experiment in 2012 and from 2015 to 2018, corresponding to an integrated luminosity of 7.7$\,\mathrm{fb}^{-1}$, is presented. The initial flavour of each $D^0$ candidate is determined from the charge of the pion produced in the $D^*(2010)^+ \rightarrow D^0 π^+$ decay. The decay $D^0 \rightarrow K^- π^+ π^0$ is used as a control channel to validate the measurement procedure. The gradient of the time-dependent $CP$ asymmetry, $ΔY$, in $D^0 \rightarrow π^+ π^- π^0$ decays is measured to be \begin{equation*} ΔY = (-1.3 \pm 6.3 \pm 2.4) \times 10^{-4}, \end{equation*} where the first uncertainty is statistical and the second is systematic, which is compatible with $CP$ conservation.
Ce résumé expose les affirmations des auteurs. BNTIC ne l’interprète pas comme une validation indépendante des résultats.
Le contrôle bibliographique ouvert
Les institutions déclarées
Une affiliation ne permet pas de déduire la nationalité d’un auteur.