Search for charge-parity violation in semileptonically tagged D0 → K+π− decays

A bstract An analysis of the flavour oscillations of the charmed neutral meson is presented. The ratio of D 0 → K + π − and D 0 → K − π + decay rates is measured as a function of the decay time of the D 0 meson and compared with the charge-conjugated system to search for charge-parity violation. The meson flavour at production is double-tagged by the charges of the muon and pion in the preceding $$ \overline{B}\to {D}^{\ast }{(2010)}^{+}{\mu}^{-}X $$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mover> <mml:mi>B</mml:mi> <mml:mo>¯</mml:mo> </mml:mover> <mml:mo>→</mml:mo> <mml:msup> <mml:mi>D</mml:mi> <mml:mo>∗</mml:mo> </mml:msup> <mml:msup> <mml:mfenced> <mml:mn>2010</mml:mn> </mml:mfenced> <mml:mo>+</mml:mo> </mml:msup> <mml:msup> <mml:mi>μ</mml:mi> <mml:mo>−</mml:mo> </mml:msup> <mml:mi>X</mml:mi> </mml:math> and D ∗ (2010) + → D 0 π + decays, respectively. These decays are selected from proton-proton collision data collected by the LHCb experiment at a centre-of-mass energy of 13 TeV and corresponding to an integrated luminosity of 5.4 fb − 1 . The flavour oscillation parameters, relating to the differences in mass and width of the mass eigenstates, are found to be y ′ = (5.8 ± 1.6) × 10 − 3 and ( x ′) 2 = (0.0 ± 1.2) × 10 − 4 . No evidence for charge-parity violation is seen either in the flavour oscillations or in the decay, where the direct charge-parity asymmetry is measured to be A D = (2.3 ± 1.7) %.

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Journal
Journal of High Energy Physics
Published
2025-03-19
DOI
https://doi.org/10.1007/jhep03(2025)149
Citations
3
Primary Topic
Particle physics theoretical and experimental studies
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article
Field-Weighted Citation Impact
5.61

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article

Search for charge-parity violation in semileptonically tagged D0 → K+π− decays

R. Bernet, I. Corredoira, M. M. Duras, K. Müller et al.
3 citations
Journal of High Energy Physics
Particle physics theoretical and experimental studies
5.61
article

Search for charge-parity violation in semileptonically tagged D0 → K+π− decays

R. Bernet, I. Corredoira, M. M. Duras, K. Müller, D. Martínez Santos, N. Kleijne, M. Martinelli, S. Sheng, S. Jakobsen, A. Kupść, W. Barter, Yuki Fujii, G. Punzi, I. Sanderswood, P. Ilten, G. Tonani, J. Daniel, K. Yang, M. Hufnagel Maranha De Faria, V. Matiunin, David Johnson, M. Andreotti, E. Aslanides, D. Bacher, Y. H. Zheng, F. Abudinén, M. Stefaniak, W. Baldini, J. Hammerich, P. Kravchenko, A. Inglessi, K. Fischer, H. Schindler, M. Fontana, K. Richardson, M. Monk, A. Okhotnikov, J. Novoa Fernandez, Rui Gao, D. Saranin, A. Kharisova, G. Mancinelli, F. Blanc, Rita Sadek, Parker Taittinger Gardner, D. S. Mitzel, Ilya Segal, F. Ferreira Rodrigues, Wei Hu, Q. L. Niu, W. Sutcliffe, A. G. Morris, A. Mauri, B. Couturier, M. D. Galati, B. Dey, S. J. Jaimes Elles, D. Nicotra, Z. Chen, F. De Vellis, P. Baladrón Rodríguez, H. Pereira Da Costa, A. D. Dowling, D. Zhang, G. Galati, C. Hadjivasiliou, D. Ilin, A. Terentev, E. Kulikova, José Javier Saavedra-Arias, N. R. Sahoo, W. Krupa, F. Borgato, S. Barsuk, G. Khreich, M. Schiller, U. Egede, J. T. Borsuk, A. Pazos Álvarez, M. Witek, P. Billoir, Riccardo Nunzio Pilato, M. Merk, S. Bashir, A. Gioventù, C. A. Aidala, L. Martinazzoli, R. Matev, A. Biolchini, E. Rodriguez Fernandez, A. Rogovskiy, B. Fang, Z. Ghorbanimoghaddam, Xutao Zheng, C. Betancourt, L. Garrido, A. Merli, T. Rong, M. Korolev, B. Saitta, W. Krzemień, M. W. Majewski, A. Lampis, Miguel A. Ruíz, A. Usachov, A. T. Grecu, Mia Sauda Bovill, D. vom Bruch, J. Reich, C. Y. Yu, E. Vilella Figueras, B. Sciascia, D. Galli, O. Kot, A. Leflat, S. Vecchi, I. Gorelov, S. Legotin, G. Manca, W. Morren, H. K. Giemza, Lauren Grace Mackey, E. Rodrigues, Justin Bartz, M. Ferrillo, O. Boente García, N. Schulte, P. Carniti, J. Dalseno, D. Andreou, C. Landesa Gomez, X. Y. Jiang, F. M. Meng, S. Celani, D. Sundfeld, J. Wu, X. W. Wang, R. Song, G. Haefeli, F. L. Liu, Susan Dekkers, A. Chubykin, M. Féo, R. D. Moise, N. Breer, S. Cesare, V. A. Kudryavtsev, V. Yeroshenko, R. Bolzonella, Mikhail Barnyakov, A. Ishteev, C. Dong, Marion Lehuraux, E. Spadaro Norella, A. D. Fernez, J. Horswill, T. Fiutowski, Gianluca Zunica, I. Polyakov, S. Belin, Z. Ren, A. Brea Rodríguez, K. Belous, R. I. Rabadán Trejo, S. Perazzini, G. A. Vasquez, R. Aaij, M. Artuso, D. Brundu, Xiangwei Yin, J. M. Durham, P. A. Günther, O. Schneider, C. Langenbruch, T. Nanut, E. Spedicato, R. Ataíde Da Silva, Federico de Benedetti, Y. Zhang, V. Dobishuk, A. Massafferri, S. López Soliño, G. Cavallero, M. Whitehead, R. H. O’Neil, S. Capelli, Y. Zhang, A. Gilman, S. Xian, E. Graugés, A. Solovev, Jun Deng, M. Vieites Diaz, M. Olocco, R. J. Hunter, S. Kandybei, Francesco Sborzacchi, F. C. Glaser, A. Andreianov, M. John, A. Balboni, Domenico Riccardi, E. Luppi, Alberto Perro, M. Waterlaat, Bridget Mack, M. Mulder, Thomas Christian Senger, Jiahui Zhuo, S. Liu, P. Ciambrone, J. L. Amey, V. V. Gligorov, K. Vos, D. J. Unverzagt, M. Stahl, Z. Xu, J. E. Davies, G. M., Lorenzo Piccolo, R. Le Gac, F. Bedeschi, A. Zhelezov, Yu. Guz, Allen Cris John Rubesh Rajan, Lars Kolk, E. Spiridenkov, L. R. Madhan Mohan, L. Meyer Garcia, M. Ferro-Luzzi, L. Dufour, B. Batsukh, Álvaro Fernández Casaní, A. Dzyuba, V. Tisserand, Roman Shorkin, E. L. Gkougkousis, E. Gersabeck, L. Giambastiani, H. Stevens, K. Hennessy, M. Bachmayer, R. Caravaca-Mora, M. Atzeni, A. Lai, M. Plo Casasus, S. Okamura, M. Shapkin, C. J. G. Onderwater, L. Zhang, A. Campoverde, M. S. Rangel, S. Arguedas Cuendis, G. Martelli, Kunal Garg, P. Camargo Magalhaes, M. Pizzichemi, A. Contu, A. Lopez Huertas, M. Calvo Gomez, O. Ozcelik, F. Martínez-Vidal, J. W. Kautz, C. Kar, Rashi Sharma, M. D. Tat, F. Redi, Kate Lynch, R. Van Laak, F. L. Souza De Almeida, A. Perrevoort, H. Pham, C. Patrignani, V. Cavallini, A. Kozachuk, Mark Peters, Paloma Laguarta Gonzalez, M. Winn, M. Hartmann, I. Mackay, Costantino De Angelis, I. Shchemerov, M. Firlej, V. Sriskaran, G. Tuci, Guohui Wan, K. Smith, E. Ejopu, Thomas Poeschl, P. Naik, E. Graverini, A. Golutvin, A. Bertolin, T. Latham, J. Mazorra de Cos, L. Li, K. Liu, A. Gallas Torreira, C. Matteuzzi, A. Bitadze, C. Gotti, T. Lesiak, F. Dordei, V. Romanovskiy, A. Solomin, C. Trippl, Yang Jiang, K. Swientek, Z. Williams, G. Bassi, K. Klimaszewski, T. Miralles, A. Xu, Xiaokang Zhou, Z. Shen, A. Minotti, Y. Fan, K. Wyllie, E. Jiang, L. Paolucci, R. Litvinov, Thomas Long, T. Oeser, N. Cooke, A. Dziurda, Yingxu Wei, P. Adlarson, Y. X. Zhao, A. Petrolini, S. Kholodenko, P. Albicocco, H. Yin, Zeqing Mu, Alessia Anelli, J. A. Rodriguez Lopez, Yanhong Tang, P. K. Resmi, D. Parmar, B. Pietrzyk, D. Pereima, R. Santacesaria, T. J. V. Bowcock, S. Kubis, A. Oblakowska-Mucha, F. Archilli, M. Needham, A. Pereiro Castro, Z. Ajaltouni, J. Zhang, R. Mountain, M. Fernandez Gomez, M. Kucharczyk, P. Duda, Q. Han, P. d’Argent, L. Martel, L. Carcedo Salgado, C. Fitzpatrick, Esteban Currás Rivera, J. García Pardiñas, E. Smith, C. Giugliano, N. V. Biesuz, M. Borsato, D. H. Cámpora Pérez, D. Torres Machado, N. Skidmore, Paula Herrero Gascon, P. Koppenburg, J. F. Marchand, S. Hansmann-Menzemer, R. A. Ruiz Fernandez, Z. Aliouche, S. Klaver, M. J. Williams, S. De Capua, A. Danilina, L. Shchutska, X. Liang, Menghe H. Li, T. Y. Xing, M. R. Kmiec, C. Mancuso, A. Lupato, M. De Cian, I. Bediaga, M. Alexander, F. Lazzari, S. Cadeddu, H. Bao, J. D. Shupperd, M. Kane, S. Gromov, F. C. R. Bishop, S. Mariani, Syed Fasih Ahmed Hashmi, Yang Gao, Graham Hallett, I. Kostiuk, J. J. Lane, C. Frei, K. De Bruyn, M. A. Giza, Y. Liu, H. Tilquin, A. Pastore, Hao Cai, M. Fiorini, S. Joshi, A. Beck, Q. Zou, T. Fulghesu, D. Ao, J. C. Smallwood, M. Pappagallo, D. Maisuzenko, H. Mu, L. Sestini, D. Marangotto, Yazhen Jiang, Qiuhai Lu, Lucas Dittmann, M. P. Morgenthaler, M. Mazurek, D. Foulds-Holt, G. Liu, P.-R. Li, J. Nicolini, S. A. Wotton, A. B. Morris, Elia Bottalico, G. Pietrzyk, V. Obraztsov, R. D. L. Henderson, M. Barbetti, A. Poluektov, Federico Muñoz-Rojas, M. Tobin, Karen Farmer, A. Malinin, X. F. Yang, R. Jacobsson, Daniel Magdalinski, G. Ciezarek, I. Diachkov, T. Ackernley, J. Moroń, J. Herd, S. Z. Zheng, E. Jans, T. Pajero, G. Casse, O. Leroy, S. Qu, G. Nowak, C. Santamarina Ríos, J. A. Boelhauve, M. Zavertyaev, I. Chahrour, M. W. Dudek, I. Solovyev, S. Poslavskii, M. Schmelling, P. Gandini, C. Prouve, J. J. Malczewski, К. Ившин, M. Goncerz, K. Habermann, F. Betti, Y. H. Tan, J. S. Butter, D. Karpenkov, Yating Li, J. M. Basels, S. Mokhnenko, H. Miao, M. Feng, L. Mcconnell, S. Bachmann, C. Gaspar, Shah Rukh Qasim, Peilian Li, J. J. Saborido Silva, C. Lazzeroni, F. Teubert, D. C. Craik, James R. Meldrum, X. Tong, V. Balagura, T. Nakada, V. Pugatch, T. Hadavizadeh, M. Wilkinson, T. Lin, E. Shmanin, O. Lantwin, V. Coco, E. Lemos Cid, M. Zdybal, J. Albrecht, A. Comerma-Montells, F. Dettori, R. Calabrese, S. Akar, N. Serra, A. Paul, Victoria Valcarce Cadenas, M. S. Bieker, L. Capriotti, P. Cifra, J. Wendel, D. Kaminaris, J. Wang, A. Bohare, C. Cocha Toapaxi, A. D. Docheva, Pasquale Andreola, F. I. Giasemis, L. Grazette, Anni Kauniskangas, Daniele Passaro, J. Patoc, Gabriel Ricart, Gabriele Romolini, J. Bex, Jose Ivan Cambon Bouzas, Matteo Argenton, Pierre Paul Louis Mayencourt, Francesco Terzuoli, L. H. Uecker, Guillermo Hijano Mendizabal, Jacob Pfaller, Ozgur Durmus, J. Wagner, A. A. Adefisoye, Simone Libralon, M. Verdoglia, Bilal Ahmad Ganie, Oleksandr Kshyvanskyi, Pedro Nogarolli, Andrej Sarnatskiy, Eleanor Whiter, Xenofon Chiotopoulos, Juan Jose Juan Castella, Luca Balzani, Piera Battista, Donata Osthues, Noah Albin Behling, Theraa M.A Tork, Cheng Li, X. Li, Yi Liu, Rui Wang, Xiaogang Wang, Ming Zeng, Ming Zeng, M. Xu, L. M. Garcia Martin, M. Cattaneo, R. Lefèvre, M. S. Rudolph, R. Vazquez Gomez, P. Di Nezza, P. Vázquez Regueiro, Y. Yang, Z. Wu, Yintong Song, T. H. McGrath, M. Rebollo De Miguel, H. Yeung, James Andrew Gooding, Federico Ronchetti, A. Carbone, L. Hao, A. Rogachev, Shuai Ding, Han Gao, M. Giovannetti, Y. Wu, Z. Lian, V. Lisovskyi, A. Loi, M. Salomoni, Atanu Modak, S. Kotriakhova, J. Mauricio, Angel Morcillo Gomez, Y. W. Wang, C. White, Lihua Sun, E. Rodríguez Rodríguez, Y. X. Song, David Martínez‐Gómez, W. Huang, R. Marchevski, Xingyu Pan, C. Burr, S. B. Yang, C. Chen, D. Melnychuk, B. Delaney, S. Filippov, D. Strekalina, Z. Yang, E. Franzoso, S. R. Roy, S. Ricciardi, G. Robertson, Xiaojun Wu, A. Villa, Q. Shi, M. Sarpis, Victoria Ramos de Oliveira, W. Duan, V. S. Kirsebom, P. Kopciewicz, Jian Peng, V. Chulikov, C. Zeng, M. Ramos Pernas, L. Buonincontri, A. Ene, J. Brown, H. Schmitz, T. H. Harris, D. Wiedner, Ph. Charpentier, G. Martellotti, C. Lucarelli, M. Charles, S. Didenko, P. Robbe, S. T’Jampens, S. Zhang, M. M. Halvorsen, M. Williams, M. Gandelman, D. Websdale, S. Esen, S. Neubert, L. Anderlini, E. Zaffaroni, N. A. Grieser, M. Adinolfi, S. Blusk, M. Pepe Altarelli, R. Lindner, E. D. Lesser, M. Clemencic, J. J. Back, Y. Amhis, C. Marín Benito, G. Bencivenni, M. Smith, Lucas George Girardey, C. Henderson, J. H. Rademacker, S. Schael, X. Vilasis-Cardona, J. J. Velthuis, S. Liu, M. Gersabeck, N. Néri, N. K. Watson, F. F. Wilson, M. Rotondo, O. Steinkamp, M. S. Soares, M. Veltri, P. De Simone, J. P. Grabowski, E. Gushchin, J. Heuel, F. Goncalves Abrantes, D. Popov, J. Bhom, L. Felkowski, R. Silva Coutinho, M. Birch, E. Santovetti, M. Chefdeville, P. Durante, G. Valenti, S. Easo, E. M. Niel, T. Gys, S. Schulte, G. Meier, E. Dall’Occo, N. W. Wang, R. McNulty, R. Oldeman, M. Palutan, G. Lanfranchi, V. Dedu, A. Boyer, C. Nunez, T. Skwarnicki, F. Fabiano, J. A. de Vries, V. Vagnoni, V. Placinta, Z. Xiang, C. Parkes, T. Szumlak, L. Eklund, J. Van Eldik, P. Perret, R. Cardinale, S. Chen, X. Wang, M. Andersson, Z. Wang, T. Shears, N. Nikitin, E. Cogneras, R. Lane, D. J. D. Thompson, J. M. De Miranda, L. Toscano, A. Szabelski, S. Bernet Andres, L. L. Pappalardo, G. Corti, L. Soares Lavra, C. S. Bolognani, S. Sellam, A. Snoch, C. Vrahas, E. Muhammad, R. Caspary, M. Elashri, V. Bocharnikov, A. R. Wiederhold, V. Gibson, F. Ferrari, M. Vesterinen, X. Dai, C. L. Da Silva, L. Fantini, M. De Serio, N. Valls Canudas, Pol Vidrier Villalba, Simon Ghizzo, L. Guerry, Francesco Zenesini, Aleksandar Bordelius, N. T. McHugh, L. Congedo, G. Graziani, A. M. Hennequin, F. Keizer, T. Kirn, K. R. Mattioli, F. Reiss, P. Roloff, N. Tuning, Michal Krzysztof Kazanecki, Jan Hendrik Ellbracht, M. Wang, O. Deschamps, C. Pappenheimer, A. Satta, A. McNab, S. Gomez Fernandez, M. Santimaria, G. Panshin, S. Maccolini, Evridki Chatzianagnostou, X. Zhu, X. Han, Ia. Bezshyiko, W. Byczynski, A. Casais Vidal, T. Ketel, G. Morello, V. Egorychev, A. Sergi, A. Ukleja, L. Grillo, S. Eisenhardt, M. Hushchyn, B. Pagare, F. Ratnikov, V. Jevtic, C. Normand, P. N. Swallow, F. Oliva, C. J. Pawley, H. Sazak, Q. Li, V. Chobanova, M. Idzik, R. A. Mohammed, B. Schmidt, A. Seuthe, T. Evans, M. Kreps, D. Pinci, J. Ruiz Vidal, D. Y. Tou, G. Gong, N. Harnew, Y. Shang, S. Gambetta, K. O. Padeken, S. Schmitt, R. Murta, A. Boldyrev, D. S. Fitzgerald, D. L. Rolf, S. Scherl, J. E. Blank, A. Davidson, E. Eckstein, I. Bachiller Perea, F. Hemmer, N. Howarth, H. N. Nur, M. Ramírez García, F. Swystun, A. M. Donohoe, M. Richardson-Slipper, E. J. Walton, K. Akiba, A. Correia, G. Simi, A. Ustyuzhanin, G. Wormser, A. Chernov, S. Chernyshenko, J. A. Ward, Jialu Wang, D. Hutchcroft, J. D. Brandenburg, T. Gershon, M. W. Slater, G. Sarpis, A. Lobo Salvia, Y. Kang, P. Álvarez Cartelle, S. Collaviti, O. Okhrimenko, S. Borghi, X. Cid Vidal, Y. Wang, O. Stenyakin, M. Patel, M. Calvi, G. Wilkinson, T. Blake, J. Marks, X. Yuan, X. Hu, C. Haen, J. Walsh, C. Bozzi, A. Artamonov, A. Semennikov, G. Schwering, D. Décamp, J. Buytaert, L. Shekhtman, D. Lucchesi, L. An, P. E. L. Clarke, E. Thomas, P. Robbe, D. A. Milanés, R. Nandakumar, L. A. Granado Cardoso, N. Neufeld, J. G. Speer, C. R. Jones, S. Monteil, B. Adeva, N. Sagidova, Xiao-Rui Lyu, J. Sun, J. Closier, A. Bizzeti, Ekaterina Govorkova, M. Frank, A. Pellegrino, M. van Veghel, L. Tomassetti, Y. Gao, V. Duk, W. Hulsbergen, S. Ely, F. Polci, U. Uwer, C. Agapopoulou, A. Mathad, B. Meadows, W. Qian, T. Colombo, M. Lucio Martinez, M. Becker, C. Göbel, J. Cogan, S. Koliiev, P. Krokovny, K. Prasanth, P. Vincent, Z. Xu, B. Audurier, E. Golobardes, R. Forty, N. Jurik, M. Guarise, J. Yu, V. Franco Lima, H. Van Hecke, C. Wang, D. Manuzzi, A. Papanestis, L. M. Greeven, M. Rama, E. Buchanan, Ning Qin, M. Karacson, Jiangqiao Hu, L. Kravchuk, B. Passalacqua, V. Shevchenko, D. Lacarrère, A. Ryzhikov, M. Mikhasenko, D. M. Shangase, Rainer Schwemmer, S. Ponce, D. Lancierini, Alexander Mclean Marshall, P. Spradlin, S. Li, B. Leverington, Yichen Li, Jia He, L. Witola, A. C. dos Reis, L. L. Gerken, E. Gabriel, Ho Sang Lee, C. Zhang, Lorenzo Pica, T. P. Jones, J. Eschle, K. Li, A. Sciuccati, F. Suljik, F. Fleuret, P. M. Hamilton, A. Iniukhin, D. A. Friday, A. Hicheur, O. Kitouni, R. Quagliani, B. Shi, T. Mombächer, N. Polukhina, Alessandro Scarabotto, P. Neustroev, M. H. Schune, L. Carus, F. Stagni, U. Marconi, C. Gu, Benedict Donald C Westhenry, A. Egorychev, M. Chrzaszcz, P. Collins, T. Boettcher, S. Amato, Valeriia Lukashenko, R. Ribatti, F. C. Volle, C. Abellan Beteta, L. N. Falcao, Y. Su, Jan Langer, T. Li, M. Romero Lamas, M. Williams, Preema Rennee Pais, A. Padee, B. Souza De Paula, J. H. Lopes, Hangyi Wu, H.-P. Dembinski, Yuehong Xie, Ahmed Sameh Wagih Abdelmotteleb, Zhihao Xu, I. Juszczak, P. Nogga, Leonardo Santoro, B. K. Kutsenko, S. Dadabaev, P. Owen, F. Machefert, A. Davis, F. Muheim, J. Wang, L. F. Foreman, R. Manera Escalero, R. A. Fini, A. Palano, A. Schopper, H. V. Cliff, D. Savrina, R. J. Barlow, M. Poli Lener, A. Venkateswaran, E. Maurice, N. Voropaev, J. Baptista de Souza Leite, I. R. Barbosa, V. Zhukov, E. Minucci, X. Zhu, Tian-Qi Gao, Marcus Jonathan Madurai, B. Jost, D. Golubkov, F. Maciuc, G. Passaleva, B. Pietrzyk, A. Bay, P. Campana, M. Saur, D. Fazzini, A. Berezhnoy, Guillermo Ordóñez, Ruiwen Hou, L. Malentacca, Qucheng Qian, David Vico Benet, Esteban Felipe Molina Cardenas, Y. Yuan, Quentin Führing, A. Jawahery, M. McCann, M. Franco Sevilla, S. Amato, R. Currie, C. D’Ambrosio, E. Polycarpo, E. van Herwijnen, F. Alessio, S. A. Bouchiba, L. G. Scantlebury Smead, A. Saputi, S. Cali, G. Frau, A. Brossa Gonzalo, B. Mitreska, A. J. Chadwick, I. Belov, H. Jage, L. Cojocariu, Alois Caillet, S. Simone, G. Wang, P. Garcia Moreno, A.-K. Guseinov, Chuangxin Lin, B. K. Jashal, Y. Shimizu, E. N. Stein, F. Pisani, L. Henry, S. Malde, L. Z. Zhu, J. M. Otalora Goicochea, E. Ben-Haim, M. D. Sokoloff, A. Maevskiy, V. Denysenko, B. Khanji, V. Zhovkovska, S. Stanislaus, V. Guliaeva, G. Benane, Edoardo Mariani, Jonas Malte Roensch, J. Brodzicka, A. Oyanguren, T. Maltsev, L. Dai, Z. Zhang, I. Belyaev, W. Wiślicki, K. Choi, K. Petridis, M. J. Morello, J. Fu, D. Sahoo, I. Nasteva, U. De Freitas Carneiro Da Graca, C. Satriano, M. Cruz Torres, M. Kenzie, C. Vázquez Sierra, G. Raven, A. Cardini, E. De Lucia, Benjamin Urbach, Riccardo Bonacci, Wojciech Gomułka, Henry James Linton, Federico Manganella, Alexia Martorell Granollers, Niclas Sommerfeld, Gabriella Darze, X. Zhou, C. Barbero Pretel, Yu Liu, Y. Hou, O. De Aguiar Francisco, L. Del Buono, L. De Paula, A. Li, R. Williams, J. de Boer, H. Wang, Yang Zhou, Jing Wang, L. Calefice, Y. Song, N. Bondar, M. Colonna, Marta Cobo Marcos, Daniele Provenzano, Francesco Paciolla
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Abstract

A bstract An analysis of the flavour oscillations of the charmed neutral meson is presented. The ratio of D 0 → K + π − and D 0 → K − π + decay rates is measured as a function of the decay time of the D 0 meson and compared with the charge-conjugated system to search for charge-parity violation. The meson flavour at production is double-tagged by the charges of the muon and pion in the preceding $$ \overline{B}\to {D}^{\ast }{(2010)}^{+}{\mu}^{-}X $$ <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"> <mml:mover> <mml:mi>B</mml:mi> <mml:mo>¯</mml:mo> </mml:mover> <mml:mo>→</mml:mo> <mml:msup> <mml:mi>D</mml:mi> <mml:mo>∗</mml:mo> </mml:msup> <mml:msup> <mml:mfenced> <mml:mn>2010</mml:mn> </mml:mfenced> <mml:mo>+</mml:mo> </mml:msup> <mml:msup> <mml:mi>μ</mml:mi> <mml:mo>−</mml:mo> </mml:msup> <mml:mi>X</mml:mi> </mml:math> and D ∗ (2010) + → D 0 π + decays, respectively. These decays are selected from proton-proton collision data collected by the LHCb experiment at a centre-of-mass energy of 13 TeV and corresponding to an integrated luminosity of 5.4 fb − 1 . The flavour oscillation parameters, relating to the differences in mass and width of the mass eigenstates, are found to be y ′ = (5.8 ± 1.6) × 10 − 3 and ( x ′) 2 = (0.0 ± 1.2) × 10 − 4 . No evidence for charge-parity violation is seen either in the flavour oscillations or in the decay, where the direct charge-parity asymmetry is measured to be A D = (2.3 ± 1.7) %.

Journal of High Energy PhysicsVol. 2025(3)
University College Dublin (IE), University of Siena (IT), Eötvös Loránd University (HU), University of Pisa (IT), Universidade da Coruña (ES), University of Bergamo (IT), University of Rome Tor Vergata (IT), Universidade Federal do Rio de Janeiro (BR), Uppsala University (SE), Jagiellonian University (PL), Rutherford Appleton Laboratory (GB), Centre National de la Recherche Scientifique (FR), Los Alamos National Laboratory (US), University of Bonn (DE), University of Padua (IT), École Polytechnique (FR), University of Liverpool (GB), Scuola Normale Superiore (IT), Federal Center for Technological Education Celso Suckow da Fonseca (BR), Universitat de València (ES), University of Freiburg (DE), Hunan University (CN), National Autonomous University of Honduras (HN), Délégation Paris 7 (FR), University of Groningen (NL), University of Cagliari (IT), Henan University (CN), South China Normal University (CN), University of Milan (IT), Universidad de Alcalá (ES), University of Urbino (IT), Université Clermont Auvergne (FR), Universidade de Santiago de Compostela (ES), TU Dortmund University (DE), University of Ferrara (IT), Peking University (CN), University of Zurich (CH), University of Basilicata (IT), Université Paris Cité (FR), Aix-Marseille Université (FR), Heidelberg University (DE), University of Cambridge (GB), Cracow University of Technology (PL), Pontifícia Universidade Católica do Rio de Janeiro (BR), Commissariat à l'Énergie Atomique et aux Énergies Alternatives (FR), University of Perugia (IT), Université Paris-Saclay (FR), University of Michigan (US), Kharkiv Institute of Physics and Technology (UA), Australian Regenerative Medicine Institute (AU), CEA Paris-Saclay - Etablissement de Saclay (FR), Machine Intelligence Research Institute (US), University of Manchester (GB), Maastricht University (NL), University of Bristol (GB), Universidad Nacional de Colombia (CO), Wuhan University (CN), University of Warwick (GB), Sorbonne Université (FR), University of Oxford (GB), Central China Normal University (CN), Sorbonne Paris Cité (FR), Horia Hulubei National Institute for R and D in Physics and Nuclear Engineering (RO), National Institute for Subatomic Physics (NL), National Centre for Nuclear Research (PL), Instituto de Física Corpuscular (ES), Laboratoire de Physique de Clermont Auvergne (FR), Laboratoire de Physique Nucléaire et de Hautes Énergies (FR), Istituto Nazionale di Fisica Nucleare, Sezione di Padova (IT), Institute of Nuclear Physics, Polish Academy of Sciences (PL), Istituto Nazionale di Fisica Nucleare, Sezione di Ferrara (IT), Istituto Nazionale di Fisica Nucleare, Sezione di Bari (IT), Istituto Nazionale di Fisica Nucleare, Roma Tor Vergata (IT), FZU ‒ Institute of Physics of the Academy of Sciences of the Czech Republic (CZ), Centro Brasileiro de Pesquisas Físicas (BR), Istituto Nazionale di Fisica Nucleare, Sezione di Genova (IT), CEA Paris-Saclay (FR), Istituto Nazionale di Fisica Nucleare, Sezione di Cagliari (IT), Istituto Nazionale di Fisica Nucleare, Sezione di Firenze (IT), Institut National de Physique Nucléaire et de Physique des Particules (FR), Laboratoire de Physique des 2 Infinis Irène Joliot-Curie (FR), Istituto Nazionale di Fisica Nucleare, Sezione di Milano (IT), Institute of High Energy Physics (CN), Istituto Nazionale di Fisica Nucleare, Sezione di Milano Bicocca (IT), Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Frascati (IT), Universidad de Ingeniería y Tecnología (PE), Institute for Nuclear Research (UA), Istituto Nazionale di Fisica Nucleare, Sezione di Bologna (IT), Laboratoire Leprince-Ringuet (FR), Max Planck Institute for Nuclear Physics (DE), Istituto Nazionale di Fisica Nucleare, Sezione di Roma I (IT), LIP6 (FR), Istituto Nazionale di Fisica Nucleare, Sezione di Pisa (IT), Istituto Nazionale di Fisica Nucleare, Sezione di Perugia (IT), University of Chinese Academy of Sciences (CN), Institut de Recherche sur les Lois Fondamentales de l'Univers (FR), Lamarr Institute for Machine Learning and Artificial Intelligence, Consejo Nacional de Rectores, State Key Laboratory of Nuclear Physics and Technology, Imperial College London (GB), École Polytechnique Fédérale de Lausanne (CH), The Ohio State University (US), University of Bari Aldo Moro (IT), Universitat Ramon Llull (ES), Monash University (AU), University of Cincinnati (US), Massachusetts Institute of Technology (US), University of Milano-Bicocca (IT), University of Maryland, College Park (US), European Organization for Nuclear Research (CH), AGH University of Krakow (PL), Université Savoie Mont Blanc (FR), Syracuse University (US), Universitat de Barcelona (ES), Lanzhou University (CN), University of Glasgow (GB), University of Birmingham (GB), University of Genoa (IT), RWTH Aachen University (DE), Ruhr University Bochum (DE), University of Bologna (IT), University College of Applied Science (PS), University of Edinburgh (GB), Tsinghua University (CN)
National Science Foundation, U.S. Department of Energy, Alexander von Humboldt-Stiftung, CERN, UK Research and Innovation, Ministerul Cercetării, Inovării şi Digitalizării, Institutul National de Cercetare-Dezvoltare pentru Fizica si Inginerie Nucleara 'Horia Hulubei', Leverhulme Trust, European Commission, Deutsche Forschungsgemeinschaft, Agence Nationale de la Recherche, Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung, National Natural Science Foundation of China, Coordenação de Aperfeiçoamento de Pessoal de Nível Superior, Bundesministerium für Bildung und Forschung, Nederlandse Organisatie voor Wetenschappelijk Onderzoek, Generalitat Valenciana, Conselho Nacional de Desenvolvimento Científico e Tecnológico, Max-Planck-Gesellschaft, Ministerstwo Edukacji i Nauki, Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro, National Academy of Sciences of Ukraine, Centre National de la Recherche Scientifique, Financiadora de Estudos e Projetos, Région Auvergne-Rhône-Alpes, CAS Center for Excellence in Particle Physics, Australian Research Data Commons, Science and Technology Facilities Council, Deutsches Elektronen-Synchrotron, Agencia Estatal de Investigación, Fundamental Research Funds for the Central Universities, Institut National de Physique Nucléaire et de Physique des Particules, Nuclear Physics, H2020 Marie Skłodowska-Curie Actions
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Particle physics theoretical and experimental studies
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