Observation of the Open-Charm Tetraquark Candidate T c s 0 * ( 2870 ) 0 in the B − → D − D 0 K S 0 Decay
R. Aaij, Ahmed Sameh Wagih Abdelmotteleb, Carlos Abellán Beteta, F. Abudinén, Thomas Ackernley, A. A. Adefisoye, B. Adeva, M. Adinolfi, P. Adlarson, C. Agapopoulou, C. Aidala, Ziad Ajaltouni, Simon Akar, K. Carvalho Akiba, P. Albicocco, J. Albrecht, F. Alessio, M. Alexander, Zakariya Aliouche, P. Álvarez Cartelle, Renaud Amalric, S. Amato, J. L. Amey, Yasmine Amhis, Liupan An, L. Anderlini, M. Andersson, A. Andreianov, P. Andreola, M. Andreotti, D. Andreou, Alessia Anelli, Dong Ao, F. Archilli, Matteo Argenton, S. Arguedas Cuendis, A. Artamonov, M. Artuso, Elie Aslanides, Rita Ataíde da Silva, M. Atzeni, Benjamin Audurier, D. Bacher, Irene Bachiller Perea, S. Bachmann, Marie Bachmayer, J. J. Back, P. Baladrón Rodríguez, Vladislav Balagura, Anna Balboni, W. Baldini, Luca Balzani, Haoran Bao, J. Baptista de Souza Leite, Carlos Javier Barbero Pretel, M. Barbetti, I. R. Barbosa, R. J. Barlow, Mikhail Barnyakov, Sergey Barsuk, W. Barter, M. Bartolini, Justin Bartz, J. M. Basels, Saliha Bashir, G. Bassi, B. Batsukh, Piera Battista, A. Bay, A. Beck, M. Becker, F. Bedeschi, I. Bediaga, Noah Albin Behling, S. Belin, K. Belous, I. Belov, I. Belyaev, G. Benane, G. Bencivenni, E. Ben-Haim, A. Berezhnoy, R. Bernet, Sergi Bernet Andres, A. Bertolin, C. Betancourt, F. Betti, J. Bex, Ia. Bezshyiko, J. Bhom, M. S. Bieker, N. V. Biesuz, P. Billoir, A. Biolchini, M. Birch, F. C. R. Bishop, A. Bitadze, A. Bizzeti, T. Blake, F. Blanc, Jonah Evan Blank, S. Blusk, Vladimir Bocharnikov, J. A. Boelhauve, O. Boente García, Thomas Boettcher, A. Bohare, A. S. Boldyrev, C. S. Bolognani, R. Bolzonella, Riccardo Bonacci, Nikolay Bondar, Aleksandar Bordelius, F. Borgato, S. Borghi, M. Borsato, J. T. Borsuk, Sonia Amina Bouchiba, Marcelo Bovill, T. J. V. Bowcock, A. Boyer, C. Bozzi, A. Brea Rodríguez, Nils Breer, J. Brodzicka, Arnau Brossa Gonzalo, James David Brown, D. Brundu, E. Buchanan, A. Buonaura, Laura Buonincontri, A. T. Burke, C. Burr, J. S. Butter, Jan Buytaert, Wiktor Byczynski, S. Cadeddu, Hao Cai, Alois Caillet, R. Calabrese, Saul Calderon Ramirez, Lukas Calefice, S. Cali, M. Calvi, M. Calvo Gomez, P. Camargo Magalhaes, Jose Ivan Cambon Bouzas, P. Campana, D. H. Cámpora Pérez, A. Campoverde, S. Capelli, L. Capriotti, Ronald Gerardo Caravaca-Mora, A. Carbone, Lidia Carcedo Salgado, R. Cardinale, A. Cardini, P. Carniti, Leon David Carus, A. Casais Vidal, R. Caspary, G. Casse, M. Cattaneo, G. Cavallero, V. Cavallini, S. Celani, D. Červenkov, Sara Cesare, A. J. Chadwick, Ibrahim Chahrour, Matthew Charles, Philippe Charpentier, Evridki Chatzianagnostou, M. Chefdeville, 陈晨, S. Chen, Zewen Chen, A. Chernov, S. Chernyshenko, Xenofon Chiotopoulos, V. Chobanova, Serhii Cholak, M. Chrząszcz, A. Chubykin, V. Chulikov, P. Ciambrone, X. Cid Vidal, G. Ciezarek, P. Cifra, P. E. L. Clarke, Marco Clemencic, H. V. Cliff, Joel Closier, Carlos Eduardo Cocha Toapaxi, V. Coco, Julien Cogan, Eric Cogneras, L. Cojocariu, Spencer Edward Collaviti, Paula Collins, T. Colombo, M. Colonna, A. Comerma-Montells, L. Congedo, A. Contu, N. Cooke, I. Corredoira, Anthony Correia, Gloria Corti, Josephine Jane Cottee Meldrum, B. Couturier, D. C. Craik, M. Cruz Torres, R. Currie, Cesar Luiz da Silva, S. Dadabaev, Lingyun Dai, X. Dai, Elena Dall'Occo, J. Dalseno, Carmelo d'Ambrosio, J. Daniel, Anna Danilina, P. d’Argent, Gabriella Darze, Alexander Davidson, J. E. Davies, Adam Davis, Oscar de Aguiar Francisco, Camilla de Angelis, Federico de Benedetti, Jan de Boer, K. De Bruyn, S. De Capua, Michel de Cian, Ulisses de Freitas Carneiro da Graca, Erika de Lucia, J. M. De Miranda, L. De Paula, Marilisa de Serio, P. De Simone, F. De Vellis, J. A. de Vries, Francesco Debernardis, Daniel Decamp, V. Dedu, Sam Michael Dekkers, Luigi del Buono, B. Delaney, H.-P. Dembinski, Jianqiao Deng, V. Denysenko, O. Deschamps, F. Dettori, B. Dey, P. Di Nezza, I. Diachkov, S. Didenko, Shuchong Ding, Lucas Dittmann, Vasyl Dobishuk, A. D. Docheva, C. Dong, A. M. Donohoe, F. Dordei, Alberto dos Reis, Andrew Jay Dowling, Weisong Duan, P. Duda, M. W. Dudek, L. Dufour, V. Duk, Paolo Durante, M. M. Duras, J. M. Durham, Ozgur Durmus, A. Dziurda, A. Dzyuba, Sajan Easo, Ellinor Eckstein, U. Egede, A. Egorychev, V. Egorychev, Stephan Eisenhardt, E. Ejopu, L. Eklund, Mohamed Elashri, Jan Hendrik Ellbracht, S. Ely, A. Ene, Jonas Nathanael Eschle, Sevda Esen, Timothy Evans, Federica Fabiano, L. N. Falcao, Y. Fan, Bo Fang, L. Fantini, Maria Faria, K. Farmer, D. Fazzini, Lukasz Jerzy Felkowski, Mingjie Feng, Mauricio Feo, Álvaro Fernández Casaní, Miguel Fernandez Gomez, Alex Daniel Fernez, F. Ferrari, F. Ferreira Rodrigues, Martina Ferrillo, Massimiliano Ferro-Luzzi, S. Filippov, Rosa Anna Fini, M. Fiorini, M. Firlej, Kamil Leszek Fischer, Dillon Scott Fitzgerald, C. Fitzpatrick, T. Fiutowski, Frederic Fleuret, Marianna Fontana, Lucas Arthur Foreman, R. Forty, D. Foulds-Holt, V. Franco Lima, Manuel Franco Sevilla, M. Frank, E. Franzoso, G. Frau, C. Frei, D. A. Friday, Jinlin Fu, Quentin Fuehring, Yuki Fujii, T. Fulghesu, E. Gabriel, G. Galati, M. D. Galati, Abraham Gallas Torreira, D. Galli, Silvia Gambetta, M. Gandelman, P. Gandini, Bilal Ahmad Ganie, Han Gao, Tian-Qi Gao, Yang Gao, Y. Gao, Yuxi Gao, L. M. Garcia Martin, P. Garcia Moreno, J. García Pardiñas, Parker Taittinger Gardner, Kunal Garg, L. Garrido, Clara Gaspar, Robbert Erik Geertsema, Louis Lenard Gerken, Evelina Gersabeck, M. Gersabeck, Timothy Gershon, Simon Ghizzo, Zahra Ghorbanimoghaddam, L. Giambastiani, F. I. Giasemis, V. Gibson, H. K. Giemza, Alexander Leon Gilman, M. Giovannetti, A. Gioventù, Lucas George Girardey, P. Gironella Gironell, C. Giugliano, Maciej Artur Giza, E. L. Gkougkousis, F. C. Glaser, V. V. Gligorov, C. Göbel, Elisabet Golobardes, D. Golubkov, A. Golutvin, S. Gomez Fernandez, Wojciech Gomułka, F. Goncalves Abrantes, M. Goncerz, Guanghua Gong, J. A. Gooding, I. Gorelov, C. Gotti, Jascha Peter Grabowski, Luis Alberto Granado Cardoso, E. Graugés, E. Graverini, Luke Grazette, Giacomo Graziani, A. Grecu, Lex Marinus Greeven, Nathan Allen Grieser, Lucia Grillo, S. Gromov, C. Gu, M. Guarise, Laetitia Guerry, M. Guittiere, Vasilisa Guliaeva, P. A. Günther, Abdul-Kerim Guseinov, E. Gushchin, Yury Guz, T. Gys, Kai Sebastian Habermann, T. Hadavizadeh, C. Hadjivasiliou, Guido Haefeli, C. Haen, Mohammadtaghi Hajheidari, George H. Hallett, Marius Maehlum Halvorsen, Phoebe Meredith Hamilton, J. Hammerich, Qundong Han, Xiaoxue Han, S. Hansmann-Menzemer, Lei Hao, Neville Harnew, M. Hartmann, Sabin Hashmi, Jibo He, Frédéric Hemmer, Conor Henderson, R. D. L. Henderson, Arthur Marius Hennequin, K. Hennessy, Louis Henry, James Daniel Herd, Paula Herrero Gascon, J. Heuel, A. Hicheur, Guillermo Hijano Mendizabal, J. Horswill, Ruiwen Hou, Y. R. Hou, Ned Francis Howarth, J. F. Hu, Wenhua Hu, X. Hu, Wenqian Huang, W. Hulsbergen, R. J. Hunter, Mikhail Hushchyn, D. Hutchcroft, M. Idzik, Dmitrii Ilin, P. Ilten, A. Inglessi, Aleksandr Iniukhin, A. Ishteev, К. Ившин, R. Jacobsson, H. Jage, S. J. Jaimes Elles, S. Jakobsen, E. Jans, B. K. Jashal, A. Jawahery, Vukan Jevtic, Emily Kaiyin Jiang, X. Jiang, Yi Jiang, Yuyang Jiang, M. John, Allen Cris John Rubesh Rajan, D. Johnson, Christopher Jones, Thomas Peter Jones, Salil Joshi, B. Jost, Juan Jose Juan Castella, N. Jurik, Izabela Juszczak, Dimitrios Kaminaris, S. Kandybei, Michael James Kane, Youen Kang, C. Kar, Matthias Karacson, Dmitrii Karpenkov, Anni Kauniskangas, J. W. Kautz, M. K. Kazanecki, Floris Keizer, Matthew Kenzie, Tjeerd Ketel, Basem Khanji, A. Kharisova, Sergei Kholodenko, G. Khreich, T. Kirn, Veronica Soelund Kirsebom, Ouail Kitouni, S. Klaver, N. Kleijne, K. Klimaszewski, M. R. Kmiec, Lars Kolk, Anatoly Konoplyannikov, P. Kopciewicz, P. Koppenburg, M. Korolev, Igor Kostiuk, O. Kot, Sofia Kotriakhova, Anastasiia Kozachuk, P. Kravchenko, L. Kravchuk, M. Kreps, Pavel Krokovny, W. Krupa, W. Krzemień, Oleksandr Kshyvanskyi, Sebastian Antoni Kubis, M. Kucharczyk, V. Kudryavtsev, Evgenia Kulikova, A. Kupść, Bogdan Kutsenko, D. Lacarrère, Paloma Laguarta Gonzalez, A. Lai, A. Lampis, Davide Lancierini, C. Landesa Gomez, J. J. Lane, G. Lanfranchi, C. Langenbruch, Jan Langer, O. Lantwin, T. Latham, Federico Lazzari, C. Lazzeroni, R. Le Gac, Ho Sang Lee, R. Lefèvre, A. Leflat, S. Legotin, Marion Lehuraux, E. Lemos Cid, Olivier Leroy, T. Lesiak, Ezra Douglas Lesser, Blake Leverington, Anfeng Li, C. Li, H. Li, Kechen Li, Lanxing Li, Manshu Li, Peilian Li, Pei‐Rong Li, Qinze Li, Shiyang Li, Y. Li, Zhengchen Lian, X. Liang, Simone Libralon, Chuangxin Lin, T. Lin, Rolf Lindner, Henry James Linton, V. Lisovskyi, Roman Litvinov, Frank Xiangyu Liu, Guoming Liu, Kai Liu, Shuaiyi Liu, Weijie Liu, Ying Liu, Yiwei Liu, A. Lobo Salvia, A. Loi, Thomas Long, A. Lopez Huertas, S. López Soliño, Qiuchan Lu, C. Lucarelli, D. Lucchesi, M. Lucio Martínez, V. Lukashenko, Y. Luo, Anna Lupato, E. Luppi, Kate Lynch, X. R. Lyu, Ge Ma, S. Maccolini, Frederic Machefert, Florin Maciuc, Bridget Mack, Innes Mackay, Lauren Grace Mackey, L. R. Madhan Mohan, M. J. Madurai, A. Maevskiy, Daniel Magdalinski, D. Maisuzenko, M. W. Majewski, J. J. Malczewski, S. Malde, L. Malentacca, A. Malinin, T. Maltsev, Giulia Manca, G. Mancinelli, Chiara Mancuso, R. Manera Escalero, Federico Manganella, Daniele Manuzzi, D. Marangotto, J. F. Marchand, R. Marchevski, Umberto Marconi, Edoardo Mariani, S. Mariani, C. Marín Benito, Jörg Marks, Alexander Mclean Marshall, Lucas Martel, G. Martelli, G. Martellotti, L. Martinazzoli, M. Martinelli, Daniel Guillermo Martinez Gomez, D. Martínez Santos, A. Massafferri, R. Matev, A. Mathad, V. Matiunin, C. Matteuzzi, K. R. Mattioli, A. Mauri, Emilie Maurice, J. Mauricio, Pierre Paul Louis Mayencourt, J. Mazorra de Cos, M. Mazurek, M. McCann, L. Mcconnell, Tamaki Holly Mcgrath, Niall Thomas Mchugh, A. McNab, R. McNulty, B. Meadows, G. Meier, D. Melnychuk, Fanjie Meng, M. Merk, A. Merli, L. Meyer Garcia, Dexing Miao, H. Miao, Mikhail Mikhasenko, Diego Alejandro Milanes, A. Minotti, Elisa Minucci, Tristan Miralles, Biljana Mitreska, D. S. Mitzel, Atanu Modak, R. A. Mohammed, Razvan-Daniel Moise, S. Mokhnenko, Esteban Felipe Molina Cardenas, Titus Mombächer, Matthew David Monk, S. Monteil, G. Morello, M. J. Morello, Maurice Pierre Morgenthaler, J. Moroń, Wouter Morren, A. B. Morris, A. G. Morris, R. Mountain, H. Mu, Zeqing Mu, Emir Muhammad, F. Muheim, M. Mulder, K. Müller, F. Muñoz-Rojas, Rebecca Murta, Paras Naik, Tatsuya Nakada, R. Nandakumar, Tara Nanut, Irina Nasteva, M. Needham, N. Néri, Sebastian Neubert, Niko Neufeld, P. Neustroev, Janina Nicolini, D. Nicotra, Elisabeth Maria Niel, N. Nikitin, Qile Niu, Pedro Nogarolli, Piet Nogga, C. Normand, J. Novoa Fernandez, Gabriel Matthew Nowak, C. Nunez, Havva Hasret Nur, Agnieszka Oblakowska-Mucha, V. Obraztsov, Thomas Oeser, S. Okamura, A. Okhotnikov, Oleksandr Okhrimenko, R. Oldeman, F. Oliva, M. Olocco, C. J. G. Onderwater, R. H. O’Neil, Donata Osthues, J. M. Otalora Goicochea, P. Owen, Maria Aranzazu Oyanguren, Ozlem Ozcelik, Francesco Paciolla, Adam Padée, Klaas Padeken, B. Pagare, Preema Rennee Pais, T. Pajero, Antimo Palano, M. Palutan, Xiaofan Pan, G. Panshin, L. Paolucci, Antonios Papanestis, M. Pappagallo, L. L. Pappalardo, Cheryl Pappenheimer, Christopher Parkes, Dhruvanshu Parmar, Giovanni Passaleva, Daniele Passaro, Alessandra Pastore, Mitesh Patel, J. Patoc, C. Patrignani, Antara Paul, Christopher James Pawley, A. Pellegrino, M. Pepe Altarelli, S. Perazzini, D. Pereima, Hugo Pereira da Costa, A. Pereiro Castro, P. Perret, A. Perrevoort, Alberto Perro, Michael Jacob Peters, Konstantinos Petridis, Alessandro Petrolini, Jacob Pfaller, Hang Pham, L. Pica, Lorenzo Piccolo, Boleslaw Pietrzyk, G. Pietrzyk, Davide Pinci, F. Pisani, M. Pizzichemi, V. Placinta, M. Pló Casasús, T. Poeschl, F. Polci, M. Poli Lener, A. 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Rattachement africain : fr. Niveau de preuve : code pays fourni par la source.
Le résumé fourni par la source
An amplitude analysis of $B^-\\rightarrow D^- D^0 K_\\mathrm{S}^0$ decays is performed using proton-proton collision data, corresponding to an integrated luminosity of $9\\,\\text{fb}^{-1}$, collected with the LHCb detector at center-of-mass energies of 7, 8, and 13$\\mathrm{\\,Te\\kern -0.1em V}$. A resonant structure of spin-parity $0^+$ is observed in the $D^0 K_\\mathrm{S}^0$ invariant-mass spectrum with a significance of $5.3\\,\\sigma$. The mass and width of the state, modeled with a Breit$-$Wigner lineshape, are determined to be $2883\\pm11\\pm6\\mathrm{\\,Me\\kern -0.1em V\\!/}c^2$ and $87_{-47}^{+22}\\pm6\\mathrm{\\,Me\\kern -0.1em V}$ respectively, where the first uncertainties are statistical and the second systematic. These properties and the quark content are consistent with those of the open-charm tetraquark state $T_{cs 0}^{*}(2870)^0$ observed previously in the $D^+ K^-$ final state of the $B^-\\rightarrow D^- D^+ K^-$ decay. This result confirms the existence of the $T_{cs 0}^{*}(2870)^0$ state in a new decay mode. The $T_{cs1}^{*}(2900)^0$ state, reported in the $B^-\\rightarrow D^- D^+ K^-$ decay, is also searched for in the $D^0 K_\\mathrm{S}^0$ invariant-mass spectrum of the $B^- \\rightarrow D^- D^0 K_\\mathrm{S}^0$ decay, without finding evidence for it.
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
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