Test of Lepton Flavor Universality with B s 0 → ϕ ℓ + ℓ − Decays
R. Aaij, Ahmed Sameh Wagih Abdelmotteleb, Carlos Abellán Beteta, F. Abudinén, T. Ackernley, A. A. Adefisoye, B. Adeva, M. Adinolfi, P. Adlarson, C. Agapopoulou, C. Aidala, Ziad Ajaltouni, S. Akar, K. Carvalho Akiba, P. Albicocco, J. Albrecht, F. Alessio, M. Alexander, Zakariya Aliouche, P. Álvarez Cartelle, Renaud Amalric, S. Amato, J. L. Amey, Y. Amhis, Liupan An, L. Anderlini, M. Andersson, A. Andreianov, P. Andreola, M. Andreotti, D. Andreou, Alessia Anelli, D. Ao, F. Archilli, Matteo Argenton, S. Arguedas Cuendis, A. Artamonov, M. Artuso, Elie Aslanides, Rita Ataíde da Silva, M. Atzeni, B. Audurier, D. Bacher, Irene Bachiller Perea, S. Bachmann, Marie Bachmayer, J. J. Back, P. Baladrón Rodríguez, V. Balagura, Anna Balboni, W. Baldini, Luca Balzani, Haoran Bao, J. Baptista de Souza Leite, Carlos Javier Barbero Pretel, M. Barbetti, Ivanildo Rui Barbosa, R. J. Barlow, Mikhail Barnyakov, S. 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, V. Bellée, K. Belous, I. Belov, I. Belyaev, Gaya Benane, G. Bencivenni, E. Ben-Haim, A. Berezhnoy, R. Bernet, Sergi Bernet Andres, A. Bertolin, C. Betancourt, F. Betti, Josh Bex, Ia. Bezshyiko, J. Bhom, M. S. Bieker, N. V. Biesuz, Pierre 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, T. Boettcher, A. Bohare, A. S. Boldyrev, Carolina 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, Jolanta Brodzicka, Arnau Brossa Gonzalo, James David Brown, D. Brundu, E. Buchanan, A. Buonaura, Laura Buonincontri, A. T. Burke, C. Burr, J. S. Butter, J. Buytaert, W. Byczynski, S. Cadeddu, Hong 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, Adrian Casais Vidal, R. Caspary, G. Casse, M. Cattaneo, G. Cavallero, V. Cavallini, S. Celani, Daniel Cervenkov, Sara Cesare, A. J. Chadwick, Ibrahim Chahrour, M. Charles, Ph. Charpentier, Evridki Chatzianagnostou, M. Chefdeville, 陈晨, S. Chen, Zewen Chen, A. Chernov, S. Chernyshenko, Xenofon Chiotopoulos, Veronika Chobanova, Serhii Cholak, M. Chrząszcz, A. Chubykin, V. Chulikov, X. Cid Vidal, Gregory Ciezarek, P. Cifra, P. E. L. Clarke, M. Clemencic, H. V. Cliff, Joel Closier, Carlos Eduardo Cocha Toapaxi, V. Coco, J. Cogan, Eric Cogneras, Lucian Cojocariu, Paula Collins, T. Colombo, M. Colonna, A. Comerma-Montells, L. Congedo, A. Contu, N. Cooke, I. Corredoira, Anthony Correia, G. Corti, Josephine Jane Cottee Meldrum, B. Couturier, D. C. Craik, M. Cruz Torres, R. Currie, Cesar Luiz da Silva, Shakhzod Dadabaev, Lingyun Dai, Xinchen Dai, Elena Dall'Occo, J. Dalseno, C. D’Ambrosio, J. Daniel, Anna Danilina, P. d’Argent, 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, U. De Freitas Carneiro Da Graca, Erika de Lucia, J. M. De Miranda, L. De Paula, M. De Serio, P. De Simone, F. De Vellis, Jacco 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, S. Ding, Lucas Dittmann, Vasyl Dobishuk, A. D. Docheva, C. Dong, Amanda May 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, John Matthew Durham, Ozgur Durmus, A. Dziurda, A. Dzyuba, S. 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, S. Esen, Timothy Evans, Federica Fabiano, L. N. Falcao, Y. Fan, Bo Fang, L. Fantini, Maria Faria, Keira Gwyn 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, Daniel Foulds-Holt, V. Franco Lima, Manuel Franco Sevilla, M. Frank, E. Franzoso, G. Frau, C. Frei, D. A. Friday, J. 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, Yuxi Gao, L. M. Garcia Martin, P. Garcia Moreno, J. García Pardiñas, Kunal Garg, L. Garrido, Clara Gaspar, Robbert Erik Geertsema, Louis Lenard Gerken, Evelina Gersabeck, M. Gersabeck, Timothy Gershon, Simon Ghizzo, Zahra Ghorbanimoghaddam, L. Giambastiani, Fotis Ioannis Giasemis, V. Gibson, Henryk Karol Giemza, A. 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, E. Golobardes, D. Golubkov, A. Golutvin, S. Gomez Fernandez, Wojciech Gomułka, F. Goncalves Abrantes, M. Goncerz, Guanghua Gong, J. A. Gooding, I. Gorelov, C. Gotti, J. P. Grabowski, Luis Alberto Granado Cardoso, E. Graugés, E. Graverini, L. Grazette, Giacomo Graziani, A. Grecu, Lex Marinus Greeven, Nathan Allen Grieser, L. 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, Jakob Haimberger, Mohammadtaghi Hajheidari, George H. Hallett, Marius Maehlum Halvorsen, Phoebe Meredith Hamilton, J. Hammerich, Qundong Han, Xiaoxue Han, S. Hansmann-Menzemer, Lei Hao, N. Harnew, M. Hartmann, Sabin Hashmi, Jibo He, Frédéric Hemmer, C. Henderson, R. D. L. Henderson, Arthur Marius Hennequin, K. Hennessy, Louis Henry, James Daniel Herd, Paula Herrero Gascon, J. Heuel, Adlène Hicheur, Guillermo Hijano Mendizabal, D. Hill, J. Horswill, Ruiwen Hou, Y. R. Hou, Ned Francis Howarth, Jifeng Hu, Wenhua Hu, X. Hu, Wenqian Huang, W. Hulsbergen, Ross John 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, Brij Kishor Jashal, A. Jawahery, Vukan Jevtic, Emily Kaiyin Jiang, X. Jiang, Y. Jiang, M. John, Allen Cris John Rubesh Rajan, 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, M. Kenzie, T. Ketel, B. Khanji, Anastasiia Kharisova, S. Kholodenko, Gaëlle Khreich, T. Kirn, Veronica Soelund Kirsebom, O. Kitouni, S. Klaver, N. Kleijne, K. Klimaszewski, M. R. Kmiec, Serhii Koliiev, Lars Kolk, A. Konoplyannikov, P. Kopciewicz, P. Koppenburg, M. Korolev, Igor Kostiuk, O. Kot, Sofia Kotriakhova, Anastasiia Kozachuk, P. Kravchenko, L. Kravchuk, M. Kreps, P. Krokovny, W. Krupa, W. Krzemień, Oleksandr Kshyvanskyi, Sebastian Antoni Kubis, M. Kucharczyk, Vasily Kudryavtsev, Evgenia Kulikova, A. Kupść, Bogdan Kutsenko, D. Lacarrère, Paloma Laguarta Gonzalez, A. Lai, A. Lampis, Davide Lancierini, Clara Landesa Gomez, J. J. Lane, R. Lane, G. Lanfranchi, C. Langenbruch, Jan Langer, O. Lantwin, T. Latham, F. Lazzari, C. Lazzeroni, R. Le Gac, Ho Sang Lee, R. Lefèvre, A. Leflat, S. Legotin, Marion Lehuraux, E. Lemos Cid, O. 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, Tiange Li, Tianqi Li, Y. Li, Zhengchen Lian, Xixin Liang, Simone Libralon, Chuangxin Lin, Tai-Hua Lin, R. Lindner, Henry James Linton, V. Lisovskyi, Roman Litvinov, Frank Xiangyu Liu, Guoming Liu, K. Liu, Shuaiyi Liu, Weijie Liu, Yiming Liu, Ying Liu, Yiwei Liu, A. Lobo Salvia, A. Loi, J. Lomba Castro, Thomas Long, José Lopes, A. Lopez Huertas, S. López Soliño, Qiuchan Lu, C. Lucarelli, D. Lucchesi, Miriam Lucio Martínez, Valeriia Lukashenko, Y. Luo, Anna Lupato, E. Luppi, Kate Lynch, X. R. Lyu, Ge Ma, S. Maccolini, F. Machefert, F. Maciuc, Bridget Mack, Innes Mackay, Lauren Grace Mackey, L. R. Madhan Mohan, Marcus Jonathan Madurai, A. Maevskiy, Daniel Magdalinski, D. Maisuzenko, M. W. Majewski, J. J. Malczewski, S. Malde, L. Malentacca, Alexander Malinin, T. Maltsev, G. Manca, G. Mancinelli, Chiara Mancuso, Rafel Manera Escalero, Federico Manganella, Daniele Manuzzi, D. Marangotto, J. F. Marchand, R. Marchevski, Edoardo Mariani, S. Mariani, C. Marín Benito, J. 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, T. H. McGrath, N. T. 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, E. Minucci, T. Miralles, B. Mitreska, D. S. Mitzel, Atanu Modak, R. A. Mohammed, R. D. Moise, Sergei Mokhnenko, Esteban Felipe Molina Cardenas, Titus Mombächer, Matthew David Monk, Stephane 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, Katharina Müller, F. Muñoz-Rojas, Rebecca Murta, T. Nakada, R. Nandakumar, Irina Nasteva, M. Needham, N. Néri, Sebastian Neubert, Niko Neufeld, P. Neustroev, J. Nicolini, D. Nicotra, Elisabeth Maria Niel, N. Nikitin, Pedro Nogarolli, Piet Nogga, C. Normand, J. Novoa Fernandez, Gabriel Matthew Nowak, C. Nunez, Havva Hasret Nur, A. Obłąkowska-Mucha, V. Obraztsov, Τ. Oeser, S. Okamura, A. Okhotnikov, Oleksandr Okhrimenko, R. Oldeman, Federica Oliva, M. Olocco, C. J. G. Onderwater, R. H. O’Neil, Donata Osthues, J. M. Otalora Goicochea, P. Owen, Maria Aranzazu Oyanguren, Ö. Özçelik, Francesco Paciolla, Adam Padée, Klaas Padeken, B. Pagare, Preema Rennee Pais, T. Pajero, A. Palano, M. Palutan, Xiaofan Pan, G. Panshin, L. Paolucci, Antonios Papanestis, M. Pappagallo, L. L. Pappalardo, Cheryl Pappenheimer, Christopher Parkes, B. Passalacqua, G. Passaleva, Daniele Passaro, A. Pastore, Mitesh Patel, Jairus Tristan Patoc, C. Patrignani, Antara Paul, Christopher James Pawley, Ji Peng, M. Pepe Altarelli, S. Perazzini, D. Pereima, Hugo Pereira da Costa, A. Pereiro Castro, P. Perret, A. Perrevoort, Alberto Perro, Konstantinos Petridis, A. Petrolini, Jacob Pfaller, H. Pham, L. Pica, Lorenzo Piccolo, Boleslaw Pietrzyk, G. Pietrzyk, D. Pinci, F. Pisani, Marco Pizzichemi, Vlad-Mihai Placinta, M. Pló Casasús, T. Poeschl, Francesco Polci, M. Poli Lener, A. Poluektov, N. Polukhina, I. Polyakov, E. Polycarpo, S. Ponce, D. Popov, S. Poslavskii, C. Prouvé, Daniele Provenzano, G. Punzi, Shah Rukh Qasim, Qucheng Qian, W. B. Qian, Ning Qin, S. Qu, R. I. Rabadán Trejo, Jonas Rademacker, M. Rama, Manuel Ramírez García, Victoria Ramos de Oliveira, Miguel Ramos Pernas, M. S. Rangel, F. Ratnikov, Gerhard Raven, Miguel Rebollo de Miguel, F. Redi, Jake Reich, Florian Reiss, Z. Ren, P. K. Resmi, R. Ribatti, Gabriel Ricart, Domenico Riccardi, S. Ricciardi, Kate Abigail Richardson, Mary Richardson-Slipper, Kurt Rinnert, P. Robbe, G. Robertson, E. Rodrigues, A. Pazos Álvarez, Emilio Xose Rodriguez Fernandez, Jairo Alexis Rodriguez Lopez, E. Rodríguez Rodríguez, Jonas Malte Roensch, Alexander Rogovskiy, David Leonhard Rolf, P. Roloff, A. Romero Vidal, Gabriele Romolini, F. Ronchetti, Tianze Rong, M. Rotondo, Shreya Roy, M. S. Rudolph, Miguel Ruiz Diaz, R. A. Ruiz Fernandez, J. Ruiz Vidal, A. Ryzhikov, J. Ryżka, José Javier Saavedra-Arias, Juan Jose Saborido Silva, Rita Sadek, N. Sagidova, Debashis Sahoo, N. Sahoo, B. Saitta, Matteo Salomoni, Izaac Sanderswood, R. Santacesaria, M. Santimaria, Leonardo Santoro, Emanuele Santovetti, A. Saputi, D. Saranin, Andrej Sarnatskiy, Gediminas Sarpis, M. Sarpis, C. Satriano, A. Satta, D. Savrina, H. Sazak, Francesco Sborzacchi, Luke George Scantlebury Smead, Alessandro Scarabotto, S. Schael, Sigrid Scherl, M. Schiller, H. Schindler, M. Schmelling, B. Schmidt, S. Schmitt, H. Schmitz, O. Schneider, A. Schopper, Nicole Schulte, S. Schulte, M. H. Schune, Rainer Schwemmer, Georg Schwering, B. Sciascia, Augusto Sciuccati, Sara Sellam, A. Semennikov, Thomas Christian Senger, M. S. Soares, A. Sergi, N. Serra, Lorenzo Sestini, Alex Seuthe, Yiduo Shang, D. M. Shangase, M. Shapkin, Rashi Sharma, Ivan Shchemerov, L. Shchutska, T. Shears, L. Shekhtman, Z. Shen, S. Sheng, V. Shevchenko, Boan Shi, Qi Shi, Yuya Shimizu, E. Shmanin, Roman Shorkin, J. D. Shupperd, Rafael Silva Coutinho, G. Simi, S. Simone, N. Skidmore, T. Skwarnicki, M. Slater, J. C. Smallwood, E. Smith, Krista Lizbeth Smith, M. 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Rattachement africain : fr, de. Niveau de preuve : code pays fourni par la source.
Le résumé fourni par la source
Lepton flavour universality in rare $b\rightarrow s$ transitions is tested for the first time using $B_s^0$ meson decays. The measurements are performed using $pp$ collision data collected by the LHCb experiment between 2011 and 2018, corresponding to a total integrated luminosity of 9$\,{\rm fb}^{-1}$. Branching fraction ratios between the $B_s^0 \rightarrow ϕe^+e^-$ and $B_s^0 \rightarrow ϕμ^+μ^-$ decays are measured in three regions of dilepton mass squared, $q^2$, with $0.1 < q^2 < 1.1$, $1.1 < q^2 < 6.0$, and $15 < q^2 < 19\,{\rm GeV}^2/c^4$. The results agree with the Standard Model expectation of lepton flavour universality.
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.