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1. Applications of Lipschitz neural networks to the Run 3 LHCb trigger system

Author

Delaney, Blaise, Schulte, Nicole, Ciezarek, Gregory, Nolte, Niklas, Williams, Mike, and Albrecht, Johannes

Subjects
High Energy Physics - Experiment
Abstract

The operating conditions defining the current data taking campaign at the Large Hadron Collider, known as Run 3, present unparalleled challenges for the real-time data acquisition workflow of the LHCb experiment at CERN. To address the anticipated surge in luminosity and consequent event rate, the LHCb experiment is transitioning to a fully software-based trigger system. This evolution necessitated innovations in hardware configurations, software paradigms, and algorithmic design. A significant advancement is the integration of monotonic Lipschitz neural networks into the LHCb trigger system. These deep learning models offer certified robustness against detector instabilities, and the ability to encode domain-specific inductive biases. Such properties are crucial for the inclusive heavy-flavour triggers and, most notably, for the topological triggers designed to inclusively select $b$-hadron candidates by exploiting the unique kinematic and decay topologies of beauty decays. This paper describes the recent progress in integrating Lipschitz neural networks into the topological triggers, highlighting the resulting enhanced sensitivity to highly displaced multi-body candidates produced within the LHCb acceptance., Comment: 8 pages, 2 figures

Published
2023

2. Development of the Topological Trigger for LHCb Run 3

Author

Schulte, Nicole, Delaney, Blaise Raheem, Nolte, Niklas, Ciezarek, Gregory Max, Albrecht, Johannes, and Williams, Mike

Subjects
High Energy Physics - Experiment, Physics - Data Analysis, Statistics and Probability
Abstract

The data-taking conditions expected in Run 3 of the LHCb experiment at CERN are unprecedented and challenging for the software and computing systems. Despite that, the LHCb collaboration pioneers the use of a software-only trigger system to cope with the increased event rate efficiently. The beauty physics programme of LHCb is heavily reliant on topological triggers. These are devoted to selecting beauty-hadron candidates inclusively, based on the characteristic decay topology and kinematic properties expected from beauty decays. The following proceeding describes the current progress of the Run 3 implementation of the topological triggers using Lipschitz monotonic neural networks. This architecture offers robustness under varying detector conditions and sensitivity to long-lived candidates, improving the possibility of discovering New Physics at LHCb.

Published
2023

3. Applications of Lipschitz neural networks to the Run 3 LHCb trigger system

Author

Delaney Blaise, Schulte Nicole, Ciezarek Gregory, Nolte Niklas, Williams Mike, and Albrecht Johannes

Subjects
Physics, QC1-999
Abstract

The operating conditions defining the current data taking campaign at the Large Hadron Collider, known as Run 3, present unparalleled challenges for the real-time data acquisition workflow of the LHCb experiment at CERN. To address the anticipated surge in luminosity and consequent event rate, the LHCb experiment is transitioning to a fully software-based trigger system. This evolution necessitated innovations in hardware configurations, software paradigms, and algorithmic design. A significant advancement is the integration of monotonic Lipschitz Neural Networks into the LHCb trigger system. These deep learning models offer certified robustness against detector instabilities, and the ability to encode domain-specific inductive biases. Such properties are crucial for the inclusive heavy-flavour triggers and, most notably, for the topological triggers designed to inclusively select b-hadron candidates by exploiting the unique kinematic and decay topologies of beauty decays. This paper describes the recent progress in integrating Lipschitz Neural Networks into the topological triggers, highlighting the resulting enhanced sensitivity to highly displaced multi-body candidates produced within the LHCb acceptance.

Published
2024
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4. Evidence for the decays $B^{0}\rightarrow\bar{D}^{(*)0}\phi$ and updated measurements of the branching fractions of the $B^{0}_{s}\rightarrow\bar{D}^{(*)0}\phi$ decays

Author

Aaij, Roel, Abdelmotteleb, Ahmed Sameh Wagih, Abellan Beteta, Carlos, Abudinén, Fernando Jesus, Ackernley, Thomas, Adeva, Bernardo, Adinolfi, Marco, Adlarson, Patrik Harri, Afsharnia, Hossein, Agapopoulou, Christina, Aidala, Christine Angela, Ajaltouni, Ziad, Akar, Simon, Akiba, Kazuyoshi, Albicocco, Pietro, Albrecht, Johannes, Alessio, Federico, Alexander, Michael, Alfonso Albero, Alejandro, Aliouche, Zakariya, Alvarez Cartelle, Paula, Amalric, Renaud, Amato, Sandra, Amey, Jake Lewis, Amhis, Yasmine, An, Liupan, Anderlini, Lucio, Andersson, Martin, Andreianov, Aleksei, Andreotti, Mirco, Andreou, Dimitra, Ao, Dong, Archilli, Flavio, Artamonov, Alexander, Artuso, Marina, Aslanides, Elie, Atzeni, Michele, Audurier, Benjamin, Bachiller Perea, Irene, Bachmann, Sebastian, Bachmayer, Marie, Back, John, Bailly-Reyre, Aurelien, Baladron Rodriguez, Pablo, Balagura, Vladislav, Baldini, Wander, Baptista de Souza Leite, Juan, Barbetti, Matteo, Barbosa, Ivanildo Rui, Barlow, Roger, Barsuk, Sergey, Barter, William, Bartolini, Matteo, Baryshnikov, Fedor, Basels, Jan-Marc, Bassi, Giovanni, Batsukh, Baasansuren, Battig, Alexander, Bay, Aurelio, Beck, Anja, Becker, Maik, Bedeschi, Franco, Bediaga, Ignacio, Beiter, Andrew, Belin, Samuel, Bellee, Violaine, Belous, Konstantin, Belov, Ilia, Belyaev, Ivan, Benane, Gaya, Bencivenni, Giovanni, Ben-Haim, Eli, Berezhnoy, Alexander, Bernet, Roland, Bernet Andres, Sergi, Berninghoff, Daniel, Bernstein, Harris Conan, Bertella, Claudia, Bertolin, Alessandro, Betancourt, Christopher, Betti, Federico, Bezshyiko, Iaroslava, Bhom, Jihyun, Bian, Lingzhu, Bieker, Martin Stefan, Biesuz, Nicolo Vladi, Billoir, Pierre, Biolchini, Alice, Birch, Matthew, Bishop, Fionn Caitlin Ros, Bitadze, Alexander, Bizzeti, Andrea, Blago, Michele Piero, Blake, Thomas, Blanc, Frederic, Blank, Jonah Evan, Blusk, Steven, Bobulska, Dana, Bocharnikov, Vladimir, Boelhauve, Julian Alexander, Boente Garcia, Oscar, Boettcher, Thomas, Boldyrev, Alexey, Bolognani, Carolina, Bolzonella, Riccardo, Bondar, Nikolay, Borgato, Federica, Borghi, Silvia, Borsato, Martino, Borsuk, Jozef Tomasz, Bouchiba, Sonia Amina, Bowcock, Themistocles, Boyer, Alexandre, Bozzi, Concezio, Bradley, Matthew John, Braun, Svende, Brea Rodriguez, Alexandre, Breer, Nils, Brodzicka, Jolanta, Brossa Gonzalo, Arnau, Brown, James David, Brundu, Davide, Buonaura, Annarita, Buonincontri, Laura, Burke, Aodhan Tomas, Burr, Christopher, Bursche, Albert, Butkevich, Anatoly, Butter, Jordy Sebastiaan, Buytaert, Jan, Byczynski, Wiktor, Cadeddu, Sandro, Cai, Hao, Calabrese, Roberto, Calefice, Lukas, Cali, Stefano, Calvi, Marta, Calvo Gomez, Miriam, Campana, Pierluigi, Campora Perez, Daniel Hugo, Campoverde Quezada, Angel Fernando, Capelli, Simone, Capriotti, Lorenzo, Carbone, Angelo, Cardinale, Roberta, Cardini, Alessandro, Carniti, Paolo, Carus, Leon David, Casais Vidal, Adrian, Caspary, Rowina, Casse, Gianluigi, Cattaneo, Marco, Cavallero, Giovanni, Cavallini, Viola, Celani, Sara, Cerasoli, Jacopo, Cervenkov, Daniel, Chadwick, Abbie Jane, Chahrour, Ibrahim, Chapman, Matthew George, Charles, Matthew, Charpentier, Philippe, Chavez Barajas, Carlos Alberto, Chefdeville, Maximilien, Chen, Chen, Chen, Shanzhen, Chernov, Aleksei, Chernyshenko, Serhii, Chobanova, Veronika, Cholak, Serhii, Chrzaszcz, Marcin, Chubykin, Aleksei, Chulikov, Vladimir, Ciambrone, Paolo, Cicala, Maria Flavia, Cid Vidal, Xabier, Ciezarek, Gregory, Cifra, Pierfrancesco, Ciullo, Giuseppe, Clarke, Peter, Clemencic, Marco, Cliff, Harry, Closier, Joel, Cobbledick, John Leslie, Coco, Victor, Cogan, Julien, Cogneras, Eric, Cojocariu, Lucian, Collins, Paula, Colombo, Tommaso, Congedo, Liliana, Contu, Andrea, Cooke, Naomi, Corredoira, Imanol, Corti, Gloria, Couturier, Benjamin, Craik, Daniel Charles, Cruz Torres, Melissa Maria, Currie, Robert, da Silva, Cesar Luiz, Dadabaev, Shakhzod, Dai, Lingyun, Dai, Xinchen, Dall'Occo, Elena, Dalseno, Jeremy, d'Ambrosio, Carmelo, Daniel, Jessy, Danilina, Anna, d'Argent, Philippe, Davies, Jonathan Edward, Davis, Adam, de Aguiar Francisco, Oscar, de Boer, Jan, de Bruyn, Kristof, de Capua, Stefano, de Cian, Michel, de Freitas Carneiro da Graca, Ulisses, de Lucia, Erika, de Miranda, Jussara, de Paula, Leandro, de Serio, Marilisa, de Simone, Dario, de Simone, Patrizia, de Vellis, Fabio, de Vries, Jacco, Dean, Cameron Thomas, Debernardis, Francesco, Decamp, Daniel, Dedu, Vlad-George, del Buono, Luigi, Delaney, Blaise, Dembinski, Hans Peter, Denysenko, Vadym, Deschamps, Olivier, Dettori, Francesco, Dey, Biplab, Di Nezza, Pasquale, Diachkov, Igor, Didenko, Sergey, Dieste Maronas, Lorena, Ding, Shuchong, Dobishuk, Vasyl, Dolmatov, Aleksandr, Dong, Chenzhi, Donohoe, Amanda May, Dordei, Francesca, dos Reis, Alberto, Douglas, Lauren, Downes, Anthony Gavin, Duda, Piotr Jakub, Dudek, Maciej Wojciech, Dufour, Laurent, Duk, Viacheslav, Durante, Paolo, Duras, Maciej, Durham, John Matthew, Dutta, Deepanwita, Dziurda, Agnieszka, Dzyuba, Alexey, Easo, Sajan, Egede, Ulrik, Egorychev, Artem, Egorychev, Victor, Eirea Orro, Caetano, Eisenhardt, Stephan, Ejopu, Enoch, Ek-In, Surapat, Eklund, Lars, Elashri, Mohamed, Ellbracht, Jan Hendrik, Ely, Scott, Ene, Alexandru, Epple, Eliane, Escher, Stephan, Eschle, Jonas Nathanael, Esen, Sevda, Evans, Timothy, Fabiano, Federica, Falcao, Lucas, Fan, Yanting, Fang, Bo, Fantini, Lisa, Faria, Maria, Farry, Stephen, Fazzini, Davide, Felkowski, Lukasz Jerzy, Feo, Mauricio, Fernandez Gomez, Miguel, Fernez, Alex Daniel, Ferrari, Fabio, Ferreira Lopes, Lino, Ferreira Rodrigues, Fernando, Ferreres Sole, Silvia, Ferrillo, Martina, Ferro-Luzzi, Massimiliano, Filippov, Sergey, Fini, Rosa Anna, Fiorini, Massimiliano, Firlej, Miroslaw, Fischer, Kamil Leszek, Fitzgerald, Dillon Scott, Fitzpatrick, Conor, Fiutowski, Tomasz, Fleuret, Frederic, Fontana, Marianna, Fontanelli, Flavio, Forty, Roger, Foulds-Holt, Daniel, Franco Lima, Vinicius, Franco Sevilla, Manuel, Frank, Markus, Franzoso, Edoardo, Frau, Giulia, Frei, Christoph, Friday, David Anthony, Frontini, Luca, Fu, Jinlin, Fuehring, Quentin, Fulghesu, Tommaso, Gabriel, Emmy, Galati, Giuliana, Galati, Maria Domenica, Gallas Torreira, Abraham, Galli, Domenico, Gambetta, Silvia, Gandelman, Miriam, Gandini, Paolo, Gao, Han, Gao, Rui, Gao, Yang, Gao, Yuanning, Garau, Michela, Garcia Martin, Luis Miguel, Garcia Moreno, Paula, García Pardiñas, Julián, Garcia Plana, Beatriz, Garcia Rosales, Felipe Andres, Garrido, Lluis, Gaspar, Clara, Geertsema, Robbert Erik, Gerick, David, Gerken, Louis Lenard, Gersabeck, Evelina, Gersabeck, Marco, Gershon, Timothy, Giambastiani, Luca, Gibson, Valerie, Giemza, Henryk Karol, Gilman, Alexander Leon, Giovannetti, Matteo, Gioventù, Alessandra, Gironella Gironell, Pere, Giugliano, Carmen, Giza, Maciej Artur, Gizdov, Konstantin, Gkougkousis, Evangelos Leonidas, Gligorov, Vladimir, Göbel, Carla, Golobardes, Elisabet, Golubkov, Dmitry, Golutvin, Andrey, Gomes, Alvaro, Gomez Fernandez, Sergio, Goncalves Abrantes, Fernanda, Goncerz, Mateusz, Gong, Guanghua, Gorelov, Igor Vladimirovich, Gotti, Claudio, Grabowski, Jascha Peter, Grammatico, Thomas, Granado Cardoso, Luis Alberto, Graugés, Eugeni, Graverini, Elena, Graziani, Giacomo, Grecu, Alexandru Tudor, Greeven, Lex Marinus, Grieser, Nathan Allen, Grillo, Lucia, Gromov, Sergey, Gu, Chenxi, Guarise, Marco, Guittiere, Manuel, Guliaeva, Vasilisa, Günther, Paul Andre, Guseinov, Abdul-Kerim, Gushchin, Evgeny, Guz, Yury, Gys, Thierry, Hadavizadeh, Thomas, Hadjivasiliou, Christos, Haefeli, Guido, Haen, Christophe, Haimberger, Jakob, Haines, Susan, Halewood-Leagas, Tabitha, Halvorsen, Marius Maehlum, Hamilton, Phoebe Meredith, Hammerich, Jan, Han, Qundong, Han, Xiaoxue, Hansmann-Menzemer, Stephanie, Hao, Lei, Harnew, Neville, Harrison, Thomas, Hasse, Christoph, Hatch, Mark, He, Jibo, Heijhoff, Kevin, Hemmer, Frederic, Henderson, Conor, Henderson, Riley Dylan Leslie, Hennequin, Arthur Marius, Hennessy, Karol, Henry, Louis, Herd, James Daniel, Heuel, Johannes, Hicheur, Adlène, Hill, Donal, Hilton, Martha, Hollitt, Sophie, Horswill, Joshua Ethan, Hou, Ruiwen, Hou, Yingrui, Hu, Jiangqiao, Hu, Jifeng, Hu, Wenhua, Hu, Xiaofan, Huang, Wenqian, Huang, Xiaotao, Hulsbergen, Wouter, Hunter, Ross John, Hushchyn, Mikhail, Hutchcroft, David, Ibis, Philipp, Idzik, Marek, Ilin, Dmitrii, Ilten, Philip, Inglessi, Alexander, Iniukhin, Aleksandr, Ishteev, Artur, Ivshin, Kuzma, Jacobsson, Richard, Jage, Hendrik, Jaimes Elles, Sergio Javier, Jakobsen, Sune, Jans, Eddy, Jashal, Brij Kishor, Jawahery, Abolhassan, Jevtic, Vukan, Jiang, Emily Kaiyin, Jiang, Xiaojie, Jiang, Yi, John, Malcolm, Johnson, Daniel, Jones, Christopher, Jones, Thomas Peter, Joshi, Salil, Jost, Beat, Jurik, Nathan, Juszczak, Izabela, Kandybei, Sergii, Kang, Youen, Karacson, Matthias, Karpenkov, Dmitrii, Karpov, Maksim, Kautz, Jacob William, Keizer, Floris, Keller, Dustin Michael, Kenzie, Matthew, Ketel, Tjeerd, Khanji, Basem, Kharisova, Anastasiia, Kholodenko, Sergei, Khreich, Gaelle, Kirn, Thomas, Kirsebom, Veronica Soelund, Kitouni, Ouail, Klaver, Suzanne, Kleijne, Nico, Klimaszewski, Konrad, Kmiec, Mateusz Rafal, Koliiev, Serhii, Kolk, Lars, Kondybayeva, Almagul, Konoplyannikov, Anatoly, Kopciewicz, Pawel, Kopecna, Renata, Koppenburg, Patrick, Korolev, Mikhail, Kostiuk, Igor, Kot, Oleksander, Kotriakhova, Sofia, Kozachuk, Anastasiia, Kravchenko, Polina, Kravchuk, Leonid, Kreps, Michal, Kretzschmar, Sophie Katharina, Krokovny, Pavel, Krupa, Wojciech, Krzemien, Wojciech, Kubat, Jakub, Kubis, Sebastian Antoni, Kucewicz, Wojciech, Kucharczyk, Marcin, Kudryavtsev, Vasily, Kulikova, Evgenia, Kupsc, Andrzej, Lacarrere, Daniel, Lafferty, George, Lai, Adriano, Lampis, Andrea, Lancierini, Davide, Landesa Gomez, Clara, Lane, John Jake, Lane, Richard, Langenbruch, Christoph, Langer, Jan, Lantwin, Oliver, Latham, Thomas, Lazzari, Federico, Lazzeroni, Cristina, Le Gac, Renaud, Lee, Sook Hyun, Lefèvre, Regis, Leflat, Alexander, Legotin, Sergey, Lenisa, Paolo, Leroy, Olivier, Lesiak, Tadeusz, Leverington, Blake, Li, Anfeng, Li, Hengne, Li, Kechen, Li, Peilian, Li, Pei-Rong, Li, Shiyang, Li, Tiange, Li, Tianqi, Li, Yiming, Li, Zhuoming, Lian, Zhengchen, Liang, Xixin, Lin, Chuangxin, Lin, Tai-Hua, Lindner, Rolf, Lisovskyi, Vitalii, Litvinov, Roman, Liu, Guoming, Liu, Huanhuan, Liu, Kai, Liu, Qian, Liu, Shuaiyi, Lobo Salvia, Aniol, Loi, Angelo, Lollini, Riccardo, Lomba Castro, Julian, Longstaff, Iain, Lopes, Jose, Lopez Huertas, Albert, López Soliño, Saúl, Lovell, George Holger, Lu, Yu, Lucarelli, Chiara, Lucchesi, Donatella, Luchuk, Stanislav, Lucio Martinez, Miriam, Lukashenko, Valeriia, Luo, Yiheng, Lupato, Anna, Luppi, Eleonora, Lynch, Kate, Lyu, Xiao-Rui, Ma, Ruiting, Maccolini, Serena, Machefert, Frederic, Maciuc, Florin, Mackay, Innes, Macko, Vladimir, Madhan Mohan, Lakshan Ram, Maevskiy, Artem, Maisuzenko, Dmitrii, Majewski, Maciej Witold, Malczewski, Jakub Jacek, Malde, Sneha, Malecki, Bartosz, Malinin, Alexander, Maltsev, Timofei, Manca, Giulia, Mancinelli, Giampiero, Mancuso, Chiara, Manera Escalero, Rafel, Manuzzi, Daniele, Manzari, Claudio Andrea, Marangotto, Daniele, Marchand, Jean François, Marconi, Umberto, Mariani, Saverio, Marin Benito, Carla, Marks, Jörg, Marshall, Alexander Mclean, Marshall, Phillip John, Martelli, Gabriele, Martellotti, Giuseppe, Martinazzoli, Loris, Martinelli, Maurizio, Martinez Santos, Diego, Martinez Vidal, Fernando, Massafferri, André, Materok, Marcel, Matev, Rosen, Mathad, Abhijit, Matiunin, Viacheslav, Matteuzzi, Clara, Mattioli, Kara Renee, Mauri, Andrea, Maurice, Emilie, Mauricio, Joan, Mazurek, Michal, Mccann, Michael, Mcconnell, Lucas, Mcgrath, Tamaki Holly, Mchugh, Niall Thomas, Mcnab, Andrew, Mcnulty, Ronan, Meadows, Brian, Meier, Gerwin, Melnychuk, Dmytro, Meloni, Simone, Merk, Marcel, Merli, Andrea, Meyer Garcia, Lucas, Miao, Dexing, Miao, Han, Mikhasenko, Mikhail, Milanes, Diego Alejandro, Milovanovic, Marko, Minard, Marie-Noelle, Minotti, Alessandro, Minucci, Elisa, Miralles, Tristan, Mitchell, Sara Elizabeth, Mitreska, Biljana, Mitzel, Dominik Stefan, Modak, Atanu, Mödden, Antje, Mohammed, Rizwaan Adeeb, Moise, Razvan-Daniel, Mokhnenko, Sergei, Mombächer, Titus, Monk, Matthew David, Monroy, Igancio Alberto, Monteil, Stephane, Morello, Gianfranco, Morello, Michael Joseph, Morgenthaler, Maurice Pierre, Moron, Jakub, Morris, Adam Benjamin, Morris, Andrew George, Mountain, Raymond, Mu, Hongjie, Muhammad, Emir, Muheim, Franz, Mulder, Mick, Müller, Katharina, Murray, Donal, Murta, Rebecca, Muzzetto, Piera, Naik, Paras, Nakada, Tatsuya, Nandakumar, Raja, Nanut, Tara, Nasteva, Irina, Needham, Matthew, Neri, Nicola, Neubert, Sebastian, Neufeld, Niko, Neustroev, Petr, Newcombe, Ryan, Nicolini, Janina, Nicotra, Davide, Niel, Elisabeth Maria, Nieswand, Simon, Nikitin, Nikolay, Nolte, Niklas Stefan, Normand, Camille, Novoa Fernandez, Julio, Nowak, Gabriel Matthew, Nunez, Cynthia, Oblakowska-Mucha, Agnieszka, Obraztsov, Vladimir, Oeser, Thomas, Okamura, Shinichi, Oldeman, Rudolf, Oliva, Federica, Olocco, Micol, Onderwater, Gerco, O'Neil, Ryunosuke Hugo, Otalora Goicochea, Juan Martin, Ovsiannikova, Tatiana, Owen, Patrick, Oyanguren, Maria Aranzazu, Ozcelik, Ozlem, Padeken, Klaas Ole, Pagare, Bhagyashree, Pais, Preema Rennee, Pajero, Tommaso, Palano, Antimo, Palutan, Matteo, Panshin, Gennady, Paolucci, Lorenzo, Papanestis, Antonios, Pappagallo, Marco, Pappalardo, Luciano, Pappenheimer, Cheryl, Parker, William, Parkes, Christopher, Passalacqua, Barbara, Passaleva, Giovanni, Pastore, Alessandra, Patel, Mitesh, Patrignani, Claudia, Pawley, Christopher James, Pellegrino, Antonio, Pepe Altarelli, Monica, Perazzini, Stefano, Pereima, Dmitrii, Pereiro Castro, Asier, Perret, Pascal, Petridis, Konstantinos, Petrolini, Alessandro, Petrucci, Stefano, Petruzzo, Marco, Pham, Hang, Philippov, Anton, Piandani, Roberto, Pica, Lorenzo, Piccini, Mauro, Pietrzyk, Boleslaw, Pietrzyk, Guillaume, Pinci, Davide, Pisani, Flavio, Pizzichemi, Marco, Placinta, Vlad-Mihai, Plews, Jonathan, Plo Casasus, Maximo, Polci, Francesco, Poli Lener, Marco, Poluektov, Anton, Polukhina, Natalia, Polyakov, Ivan, Polycarpo, Erica, Ponce, Sebastien, Popov, Dmitry, Poslavskii, Stanislav, Prasanth, Kodassery, Promberger, Laura, Prouve, Claire, Pugatch, Valery, Puill, Veronique, Punzi, Giovanni, Qi, Hongrong, Qian, Wenbin, Qin, Ning, Qu, Sanqiang, Quagliani, Renato, Raab, Naomi Veronika, Rachwal, Bartlomiej, Rademacker, Jonas, Rajagopalan, Rohan, Rama, Matteo, Ramos Pernas, Miguel, Rangel, Murilo, Ratnikov, Fedor, Raven, Gerhard, Rebollo de Miguel, Miguel, Redi, Federico, Reich, Jake, Reiss, Florian, Ren, Zan, Resmi, P.K, Ribatti, Roberto, Ricci, Alessandro Maria, Ricciardi, Stefania, Richardson, Kate Abigail, Richardson-Slipper, Mary, Rinnert, Kurt, Robbe, Patrick, Robertson, Gary, Rodrigues, Eduardo, Rodriguez Fernandez, Emilio Xose, Rodriguez Lopez, Jairo Alexis, Rodriguez Rodriguez, Efren, Rolf, David Leonhard, Rollings, Alexandra Paige, Roloff, Philipp, Romanovskiy, Vladimir, Romero Lamas, Marcos, Romero Vidal, Antonio, Rotondo, Marcello, Rudolph, Matthew Scott, Ruf, Thomas, Ruiz Fernandez, Ramon Angel, Ruiz Vidal, Joan, Ryzhikov, Artem, Ryzka, Jakub, Saborido Silva, Juan Jose, Sagidova, Naylya, Sahoo, Niladribihari, Saitta, Biagio, Salomoni, Matteo, Sanchez Gras, Cristina, Sanderswood, Izaac, Santacesaria, Roberta, Santamarina Rios, Cibran, Santimaria, Marco, Santoro, Leonardo, Santovetti, Emanuele, Saranin, Danila, Sarpis, Gediminas, Sarpis, Mindaugas, Sarti, Alessio, Satriano, Celestina, Satta, Alessia, Saur, Miroslav, Savrina, Darya, Sazak, Halime, Scantlebury Smead, Luke George, Scarabotto, Alessandro, Schael, Stefan, Scherl, Sigrid, Schertz, Amy Marie, Schiller, Manuel, Schindler, Heinrich, Schmelling, Michael, Schmidt, Burkhard, Schmitt, Sebastian, Schneider, Olivier, Schopper, Andreas, Schubiger, Maxime, Schulte, Nicole, Schulte, Sebastian, Schune, Marie Helene, Schwemmer, Rainer, Schwering, Georg, Sciascia, Barbara, Sciuccati, Augusto, Sellam, Sara, Semennikov, Alexander, Senghi Soares, Mara, Sergi, Antonino, Serra, Nicola, Sestini, Lorenzo, Seuthe, Alex, Shang, Yiduo, Shangase, Desmond Mzamo, Shapkin, Mikhail, Shchemerov, Ivan, Shchutska, Lesya, Shears, Tara, Shekhtman, Lev, Shen, Zhihong, Sheng, Shuqi, Shevchenko, Vladimir, Shi, Boan, Shields, Edward Brendan, Shimizu, Yuya, Shmanin, Evgenii, Shorkin, Roman, Shupperd, Joseph David, Siddi, Benedetto Gianluca, Silva Coutinho, Rafael, Simi, Gabriele, Simone, Saverio, Singla, Minni, Skidmore, Nicola, Skuza, Raphael, Skwarnicki, Tomasz, Slater, Mark, Smallwood, Jennifer Clare, Smeaton, John Gordon, Smith, Eluned, Smith, Krista Lizbeth, Smith, Mark, Snoch, Aleksandra, Soares Lavra, Lais, Sokoloff, Michael, Soler, Paul, Solomin, Anatoly, Solovev, Aleksandr, Solovyev, Ivan, Song, Rongrong, Souza de Almeida, Felipe Luan, Souza de Paula, Bruno, Spadaro Norella, Elisabetta, Spedicato, Eugenia, Speer, Jannis Guido, Spiridenkov, Eduard, Spradlin, Patrick, Sriskaran, Viros, Stagni, Federico, Stahl, Marian, Stahl, Sascha, Stanislaus, Seophine, Stein, Eloise Noelle, Steinkamp, Olaf, Stenyakin, Oleg, Stevens, Holger, Strekalina, Daria, Su, Yangjie, Suljik, Fidan, Sun, Jiayin, Sun, Liang, Sun, Yipeng, Swallow, Paul Nathaniel, Swientek, Krzysztof, Szabelski, Adam, Szumlak, Tomasz, Szymanski, Maciej Pawel, Tan, Yinghua, Taneja, Shantam, Tat, Martin Duy, Terentev, Aleksandr, Teubert, Frederic, Thomas, Eric, Thompson, Daniel James David, Tilquin, Hanae, Tisserand, Vincent, t'Jampens, Stephane, Tobin, Mark, Tomassetti, Luca, Tonani, Giorgia, Tong, Xingyu, Torres Machado, Diego, Toscano, Luca, Tou, da Yu, Trippl, Carina, Tuci, Giulia, Tuning, Niels, Ukleja, Artur, Unverzagt, Daniel Joachim, Usachov, Andrii, Ustyuzhanin, Andrey, Uwer, Ulrich, Vagnoni, Vincenzo, Valassi, Andrea, Valenti, Giovanni, Valls Canudas, Nuria, van Dijk, Maarten, van Hecke, Hubert, van Herwijnen, Eric, van Hulse, Charlotte Barbara, van Veghel, Maarten, Vazquez Gomez, Ricardo, Vazquez Regueiro, Pablo, Vázquez Sierra, Carlos, Vecchi, Stefania, Velthuis, Jaap, Veltri, Michele, Venkateswaran, Aravindhan, Vesterinen, Mika, Vieira, Daniel, Vieites Diaz, Maria, Vilasis-Cardona, Xavier, Vilella Figueras, Eva, Villa, Andrea, Vincent, Pascal, Volle, Felicia Carolin, Vom Bruch, Dorothea, Vorobyev, Vitaly, Voropaev, Nikolai, Vos, Kimberley, Vrahas, Constantinos, Walsh, John, Walton, Eliot Jane, Wan, Guanyue, Wang, Chishuai, Wang, Ganrong, Wang, Jialu, Wang, Jianchun, Wang, Jianqiao, Wang, Jike, Wang, Mengzhen, Wang, Rui, Wang, Xiaolin, Wang, Yilong, Wang, Zhenzi, Wang, Zirui, Wang, Ziyi, Ward, Jake Alexander, Watson, Nigel, Websdale, David, Wei, Yajing, Westhenry, Benedict Donald C, White, Dylan Jaide, Whitehead, Mark, Wiederhold, Aidan Richard, Wiedner, Dirk, Wilkinson, Guy, Wilkinson, Michael K, Williams, Ifan, Williams, Mike, Williams, Mark Richard James, Williams, Richard Morgan, Wilson, Fergus, Wislicki, Wojciech, Witek, Mariusz, Witola, Lukas, Wong, Cheuk Ping, Wormser, Guy, Wotton, Stephen, Wu, Hangyi, Wu, Jie, Wu, Yanxi, Wyllie, Kenneth, Xiang, Zhiyu, Xie, Yuehong, Xu, Ao, Xu, Jingyi, Xu, Li, Xu, Liangjun, Xu, Menglin, Xu, Qingnian, Xu, Zehua, Xu, Zhihao, Xu, Zijun, Yang, Di, Yang, Shuangli, Yang, Xueting, Yang, Youhua, Yang, Zhenwei, Yang, Zishuo, Yeroshenko, Vsevolod, Yeung, Ho Yin Dereck, Yin, Hang, Yu, Jiesheng, Yuan, Xuhao, Zaffaroni, Ettore, Zavertyaev, Mikhail, Zdybal, Milosz, Zeng, Ming, Zhang, Chenjia, Zhang, Dongliang, Zhang, Jianyu, Zhang, Liming, Zhang, Shulei, Zhang, Shunan, Zhang, Yanxi, Zhang, Yu, Zhao, Ya, Zharkova, Alina, Zhelezov, Alexey, Zheng, Yangheng, Zhou, Tianwen, Zhou, Xiaokang, Zhou, Yixiong, Zhovkovska, Valeriia, Zhu, Xianglei, Zhu, Xiaoyu, Zhu, Zhanwen, Zhukov, Valery, Zhuo, Jiahui, Zou, Quan, Zucchelli, Stefano, Zuliani, Davide, Zunica, Gianluca, Laboratoire de Physique de Clermont (LPC), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université Clermont Auvergne (UCA), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE (UMR_7585)), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique des 2 Infinis Irène Joliot-Curie (IJCLab), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire Leprince-Ringuet (LLR), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), and LHCb

Subjects
CKM matrix, p p, scattering, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], mixing angle, TeV, branching ratio, statistical, LHC-B, Particle Physics - Experiment, High Energy Physics - Experiment
Abstract

Evidence for the decays $B^{0}\rightarrow\bar{D}^{0}\phi$ and $B^{0} \rightarrow \bar{D}^{*0}\phi$ is reported with a significance of 3.6$\,\sigma$ and 4.3$\,\sigma$, respectively. The analysis employs $pp$ collision data at centre-of-mass energies $\sqrt{s}=7$, 8 and 13 TeV collected by the LHCb detector and corresponding to an integrated luminosity of 9 $\rm{fb}^{-1}$. The branching fractions are measured to be $\mathcal{B}(B^{0}\rightarrow\bar{D}^{0}\phi) = (7.7\pm2.1\pm0.7\pm0.7)\times10^{-7}$, $\mathcal{B}(B^{0} \rightarrow \bar{D}^{*0}\phi)=(2.2\pm0.5\pm0.2\pm0.2)\times10^{-6}$. In these results, the first uncertainties are statistical, the second systematic, and the third is related to the branching fraction of the $B^{0}\rightarrow\bar{D}^{0}K^{+}K^{-}$ decay, used for normalisation. By combining the branching fractions of the decays $B^{0}\rightarrow\bar{D}^{(*)0}\phi$ and $B^{0}\rightarrow\bar{D}^{(*)0}\omega$, the $\omega$-$\phi$ mixing angle $\delta$ is constrained to be $\tan^2\delta = (3.6\pm0.7\pm0.4)\times10^{-3}$, where the first uncertainty is statistical and the second systematic. An updated measurement of the branching fractions of the $B^{0}_{s} \rightarrow \bar{D}^{(*)0}\phi$ decays, which can be used to determine the CKM angle $\gamma$, leads to $\mathcal{B}(B^{0}_{s}\rightarrow\bar{D}^{0}\phi)=(2.30\pm0.10 \pm 0.11\pm0.20)\times10^{-5}$, $\mathcal{B}(B^{0}_{s}\rightarrow\bar{D}^{*0}\phi) =(3.17\pm0.16 \pm 0.17 \pm 0.27)\times10^{-5}$., Comment: All figures and tables, along with any supplementary material and additional information, are available at https://cern.ch/lhcbproject/Publications/p/LHCb-PAPER-2023-003.html (LHCb public pages)

Published
2023

5. Precision measurement of CP violation in the penguin-mediated decay $B_s^{0 } \rightarrow \phi \phi$

Author

Aaij, Roel, Abdelmotteleb, Ahmed Sameh Wagih, Abellan Beteta, Carlos, Abudinén, Fernando Jesus, Ackernley, Thomas, Adeva, Bernardo, Adinolfi, Marco, Adlarson, Patrik Harri, Afsharnia, Hossein, Agapopoulou, Christina, Aidala, Christine Angela, Ajaltouni, Ziad, Akar, Simon, Akiba, Kazuyoshi, Albicocco, Pietro, Albrecht, Johannes, Alessio, Federico, Alexander, Michael, Alfonso Albero, Alejandro, Aliouche, Zakariya, Alvarez Cartelle, Paula, Amalric, Renaud, Amato, Sandra, Amey, Jake Lewis, Amhis, Yasmine, An, Liupan, Anderlini, Lucio, Andersson, Martin, Andreianov, Aleksei, Andreotti, Mirco, Andreou, Dimitra, Ao, Dong, Archilli, Flavio, Artamonov, Alexander, Artuso, Marina, Aslanides, Elie, Atzeni, Michele, Audurier, Benjamin, Bachiller Perea, Irene, Bachmann, Sebastian, Bachmayer, Marie, Back, John, Bailly-reyre, Aurelien, Baladron Rodriguez, Pablo, Balagura, Vladislav, Baldini, Wander, Baptista de Souza Leite, Juan, Barbetti, Matteo, Barlow, Roger, Barsuk, Sergey, Barter, William, Bartolini, Matteo, Baryshnikov, Fedor, Basels, Jan-Marc, Bassi, Giovanni, Batozskaya, Varvara, Batsukh, Baasansuren, Battig, Alexander, Bay, Aurelio, Beck, Anja, Becker, Maik, Bedeschi, Franco, Bediaga, Ignacio, Beiter, Andrew, Belin, Samuel, Bellee, Violaine, Belous, Konstantin, Belov, Ilia, Belyaev, Ivan, Benane, Gaya, Bencivenni, Giovanni, Ben-Haim, Eli, Berezhnoy, Alexander, Bernet, Roland, Bernet Andres, Sergi, Berninghoff, Daniel, Bernstein, Harris Conan, Bertella, Claudia, Bertolin, Alessandro, Betancourt, Christopher, Betti, Federico, Bezshyiko, Iaroslava, Bhom, Jihyun, Bian, Lingzhu, Bieker, Martin Stefan, Biesuz, Nicolo Vladi, Billoir, Pierre, Biolchini, Alice, Birch, Matthew, Bishop, Fionn Caitlin Ros, Bitadze, Alexander, Bizzeti, Andrea, Blago, Michele Piero, Blake, Thomas, Blanc, Frederic, Blank, Jonah Evan, Blusk, Steven, Bobulska, Dana, Bocharnikov, Vladimir, Boelhauve, Julian Alexander, Boente Garcia, Oscar, Boettcher, Thomas, Boldyrev, Alexey, Bolognani, Carolina, Bolzonella, Riccardo, Bondar, Nikolay, Borgato, Federica, Borghi, Silvia, Borsato, Martino, Borsuk, Jozef Tomasz, Bouchiba, Sonia Amina, Bowcock, Themistocles, Boyer, Alexandre, Bozzi, Concezio, Bradley, Matthew John, Braun, Svende, Brea Rodriguez, Alexandre, Breer, Nils, Brodzicka, Jolanta, Brossa Gonzalo, Arnau, Brown, James David, Brundu, Davide, Buonaura, Annarita, Buonincontri, Laura, Burke, Aodhan Tomas, Burr, Christopher, Bursche, Albert, Butkevich, Anatoly, Butter, Jordy Sebastiaan, Buytaert, Jan, Byczynski, Wiktor, Cadeddu, Sandro, Cai, Hao, Calabrese, Roberto, Calefice, Lukas, Cali, Stefano, Calvi, Marta, Calvo Gomez, Miriam, Campana, Pierluigi, Campora Perez, Daniel Hugo, Campoverde Quezada, Angel Fernando, Capelli, Simone, Capriotti, Lorenzo, Carbone, Angelo, Cardinale, Roberta, Cardini, Alessandro, Carniti, Paolo, Carus, Leon David, Casais Vidal, Adrian, Caspary, Rowina, Casse, Gianluigi, Cattaneo, Marco, Cavallero, Giovanni, Cavallini, Viola, Celani, Sara, Cerasoli, Jacopo, Cervenkov, Daniel, Chadwick, Abbie Jane, Chahrour, Ibrahim, Chapman, Matthew George, Charles, Matthew, Charpentier, Philippe, Chavez Barajas, Carlos Alberto, Chefdeville, Maximilien, Chen, Chen, Chen, Shanzhen, Chernov, Aleksei, Chernyshenko, Serhii, Chobanova, Veronika, Cholak, Serhii, Chrzaszcz, Marcin, Chubykin, Aleksei, Chulikov, Vladimir, Ciambrone, Paolo, Cicala, Maria Flavia, Cid Vidal, Xabier, Ciezarek, Gregory, Cifra, Pierfrancesco, Clarke, Peter, Clemencic, Marco, Cliff, Harry, Closier, Joel, Cobbledick, John Leslie, Coco, Victor, Cogan, Julien, Cogneras, Eric, Cojocariu, Lucian, Collins, Paula, Colombo, Tommaso, Congedo, Liliana, Contu, Andrea, Cooke, Naomi, Corredoira, Imanol, Corti, Gloria, Couturier, Benjamin, Craik, Daniel Charles, Cruz Torres, Melissa Maria, Currie, Robert, Da Silva, Cesar Luiz, Dadabaev, Shakhzod, Dai, Lingyun, Dai, Xinchen, Dall'Occo, Elena, Dalseno, Jeremy, D'Ambrosio, Carmelo, Daniel, Jessy, Danilina, Anna, d'Argent, Philippe, Davies, Jonathan Edward, Davis, Adam, De Aguiar Francisco, Oscar, de Boer, Jan, De Bruyn, Kristof, De Capua, Stefano, De Cian, Michel, De Freitas Carneiro Da Graca, Ulisses, De Lucia, Erika, De Miranda, Jussara, De Paula, Leandro, De Serio, Marilisa, De Simone, Dario, De Simone, Patrizia, De Vellis, Fabio, de Vries, Jacco, Dean, Cameron Thomas, Debernardis, Francesco, Decamp, Daniel, Dedu, Vlad-George, Del Buono, Luigi, Delaney, Blaise, Dembinski, Hans Peter, Denysenko, Vadym, Deschamps, Olivier, Dettori, Francesco, Dey, Biplab, Di Nezza, Pasquale, Diachkov, Igor, Didenko, Sergey, Dieste Maronas, Lorena, Ding, Shuchong, Dobishuk, Vasyl, Dolmatov, Aleksandr, Dong, Chenzhi, Donohoe, Amanda May, Dordei, Francesca, dos Reis, Alberto, Douglas, Lauren, Downes, Anthony Gavin, Duda, Piotr Jakub, Dudek, Maciej Wojciech, Dufour, Laurent, Duk, Viacheslav, Durante, Paolo, Duras, Maciej, Durham, John Matthew, Dutta, Deepanwita, Dziurda, Agnieszka, Dzyuba, Alexey, Easo, Sajan, Egede, Ulrik, Egorychev, Artem, Egorychev, Victor, Eirea Orro, Caetano, Eisenhardt, Stephan, Ejopu, Enoch, Ek-In, Surapat, Eklund, Lars, Elashri, Mohamed, Ellbracht, Jan Hendrik, Ely, Scott, Ene, Alexandru, Epple, Eliane, Escher, Stephan, Eschle, Jonas Nathanael, Esen, Sevda, Evans, Timothy, Fabiano, Federica, Falcao, Lucas, Fan, Yanting, Fang, Bo, Fantini, Lisa, Faria, Maria, Farry, Stephen, Fazzini, Davide, Felkowski, Lukasz Jerzy, Feo, Mauricio, Fernandez Gomez, Miguel, Fernez, Alex Daniel, Ferrari, Fabio, Ferreira Lopes, Lino, Ferreira Rodrigues, Fernando, Ferreres Sole, Silvia, Ferrillo, Martina, Ferro-Luzzi, Massimiliano, Filippov, Sergey, Fini, Rosa Anna, Fiorini, Massimiliano, Firlej, Miroslaw, Fischer, Kamil Leszek, Fitzgerald, Dillon Scott, Fitzpatrick, Conor, Fiutowski, Tomasz, Fleuret, Frederic, Fontana, Marianna, Fontanelli, Flavio, Forty, Roger, Foulds-Holt, Daniel, Franco Lima, Vinicius, Franco Sevilla, Manuel, Frank, Markus, Franzoso, Edoardo, Frau, Giulia, Frei, Christoph, Friday, David Anthony, Frontini, Luca, Fu, Jinlin, Fuehring, Quentin, Fulghesu, Tommaso, Gabriel, Emmy, Galati, Giuliana, Galati, Maria Domenica, Gallas Torreira, Abraham, Galli, Domenico, Gambetta, Silvia, Gandelman, Miriam, Gandini, Paolo, Gao, Han, Gao, Rui, Gao, Yang, Gao, Yuanning, Garau, Michela, Garcia Martin, Luis Miguel, Garcia Moreno, Paula, García Pardiñas, Julián, Garcia Plana, Beatriz, Garcia Rosales, Felipe Andres, Garrido, Lluis, Gaspar, Clara, Geertsema, Robbert Erik, Gerick, David, Gerken, Louis Lenard, Gersabeck, Evelina, Gersabeck, Marco, Gershon, Timothy, Giambastiani, Luca, Gibson, Valerie, Giemza, Henryk Karol, Gilman, Alexander Leon, Giovannetti, Matteo, Gioventù, Alessandra, Gironella Gironell, Pere, Giugliano, Carmen, Giza, Maciej Artur, Gizdov, Konstantin, Gkougkousis, Evangelos Leonidas, Gligorov, Vladimir, Göbel, Carla, Golobardes, Elisabet, Golubkov, Dmitry, Golutvin, Andrey, Gomes, Alvaro, Gomez Fernandez, Sergio, Goncalves Abrantes, Fernanda, Goncerz, Mateusz, Gong, Guanghua, Gorelov, Igor Vladimirovich, Gotti, Claudio, Grabowski, Jascha Peter, Grammatico, Thomas, Granado Cardoso, Luis Alberto, Graugés, Eugeni, Graverini, Elena, Graziani, Giacomo, Grecu, Alexandru Tudor, Greeven, Lex Marinus, Grieser, Nathan Allen, Grillo, Lucia, Gromov, Sergey, Gu, Chenxi, Guarise, Marco, Guittiere, Manuel, Guliaeva, Vasilisa, Günther, Paul Andre, Guseinov, Abdul-Kerim, Gushchin, Evgeny, Guz, Yury, Gys, Thierry, Hadavizadeh, Thomas, Hadjivasiliou, Christos, Haefeli, Guido, Haen, Christophe, Haimberger, Jakob, Haines, Susan, Halewood-leagas, Tabitha, Halvorsen, Marius Maehlum, Hamilton, Phoebe Meredith, Hammerich, Jan, Han, Qundong, Han, Xiaoxue, Hansmann-Menzemer, Stephanie, Harnew, Neville, Harrison, Thomas, Hasse, Christoph, Hatch, Mark, He, Jibo, Heijhoff, Kevin, Hemmer, Frederic, Henderson, Conor, Henderson, Riley Dylan Leslie, Hennequin, Arthur Marius, Hennessy, Karol, Henry, Louis, Herd, James Daniel, Heuel, Johannes, Hicheur, Adlène, Hill, Donal, Hilton, Martha, Hollitt, Sophie, Horswill, Joshua Ethan, Hou, Ruiwen, Hou, Yingrui, Hu, Jiangqiao, Hu, Jifeng, Hu, Wenhua, Hu, Xiaofan, Huang, Wenqian, Huang, Xiaotao, Hulsbergen, Wouter, Hunter, Ross John, Hushchyn, Mikhail, Hutchcroft, David, Ibis, Philipp, Idzik, Marek, Ilin, Dmitrii, Ilten, Philip, Inglessi, Alexander, Iniukhin, Aleksandr, Ishteev, Artur, Ivshin, Kuzma, Jacobsson, Richard, Jage, Hendrik, Jaimes Elles, Sergio Javier, Jakobsen, Sune, Jans, Eddy, Jashal, Brij Kishor, Jawahery, Abolhassan, Jevtic, Vukan, Jiang, Emily Kaiyin, Jiang, Xiaojie, Jiang, Yi, John, Malcolm, Johnson, Daniel, Jones, Christopher, Jones, Thomas Peter, Joshi, Salil, Jost, Beat, Jurik, Nathan, Juszczak, Izabela, Kandybei, Sergii, Kang, Youen, Karacson, Matthias, Karpenkov, Dmitrii, Karpov, Maksim, Kautz, Jacob William, Keizer, Floris, Keller, Dustin Michael, Kenzie, Matthew, Ketel, Tjeerd, Khanji, Basem, Kharisova, Anastasiia, Kholodenko, Sergei, Khreich, Gaelle, Kirn, Thomas, Kirsebom, Veronica Soelund, Kitouni, Ouail, Klaver, Suzanne, Kleijne, Nico, Klimaszewski, Konrad, Kmiec, Mateusz Rafal, Koliiev, Serhii, Kolk, Lars, Kondybayeva, Almagul, Konoplyannikov, Anatoly, Kopciewicz, Pawel, Kopecna, Renata, Koppenburg, Patrick, Korolev, Mikhail, Kostiuk, Igor, Kot, Oleksander, Kotriakhova, Sofia, Kozachuk, Anastasiia, Kravchenko, Polina, Kravchuk, Leonid, Kreps, Michal, Kretzschmar, Sophie Katharina, Krokovny, Pavel, Krupa, Wojciech, Krzemien, Wojciech, Kubat, Jakub, Kubis, Sebastian Antoni, Kucewicz, Wojciech, Kucharczyk, Marcin, Kudryavtsev, Vasily, Kulikova, Evgenia, Kupsc, Andrzej, Lacarrere, Daniel, Lafferty, George, Lai, Adriano, Lampis, Andrea, Lancierini, Davide, Landesa Gomez, Clara, Lane, John Jake, Lane, Richard, Langenbruch, Christoph, Langer, Jan, Lantwin, Oliver, Latham, Thomas, Lazzari, Federico, Lazzeroni, Cristina, Le Gac, Renaud, Lee, Sook Hyun, Lefèvre, Regis, Leflat, Alexander, Legotin, Sergey, Leroy, Olivier, Lesiak, Tadeusz, Leverington, Blake, Li, Anfeng, Li, Hengne, Li, Kechen, Li, Peilian, Li, Pei-Rong, Li, Shiyang, Li, Tiange, Li, Tianqi, Li, Yiming, Li, Zhuoming, Liang, Xixin, Lin, Chuangxin, Lin, Tai-hua, Lindner, Rolf, Lisovskyi, Vitalii, Litvinov, Roman, Liu, Guoming, Liu, Huanhuan, Liu, Kai, Liu, Qian, Liu, Shuaiyi, Lobo Salvia, Aniol, Loi, Angelo, Lollini, Riccardo, Lomba Castro, Julian, Longstaff, Iain, Lopes, Jose, Lopez Huertas, Albert, López Soliño, Saúl, Lovell, George Holger, Lu, Yu, Lucarelli, Chiara, Lucchesi, Donatella, Luchuk, Stanislav, Lucio Martinez, Miriam, Lukashenko, Valeriia, Luo, Yiheng, Lupato, Anna, Luppi, Eleonora, Lynch, Kate, Lyu, Xiao-Rui, Ma, Ruiting, Maccolini, Serena, Machefert, Frederic, Maciuc, Florin, Mackay, Innes, Macko, Vladimir, Madhan Mohan, Lakshan Ram, Maevskiy, Artem, Maisuzenko, Dmitrii, Majewski, Maciej Witold, Malczewski, Jakub Jacek, Malde, Sneha, Malecki, Bartosz, Malinin, Alexander, Maltsev, Timofei, Manca, Giulia, Mancinelli, Giampiero, Mancuso, Chiara, Manera Escalero, Rafel, Manuzzi, Daniele, Manzari, Claudio Andrea, Marangotto, Daniele, Maratas, Jan Mickelle, Marchand, Jean François, Marconi, Umberto, Mariani, Saverio, Marin Benito, Carla, Marks, Jörg, Marshall, Alexander Mclean, Marshall, Phillip John, Martelli, Gabriele, Martellotti, Giuseppe, Martinazzoli, Loris, Martinelli, Maurizio, Martinez Santos, Diego, Martinez Vidal, Fernando, Massafferri, André, Materok, Marcel, Matev, Rosen, Mathad, Abhijit, Matiunin, Viacheslav, Matteuzzi, Clara, Mattioli, Kara Renee, Mauri, Andrea, Maurice, Emilie, Mauricio, Joan, Mazurek, Michal, McCann, Michael, Mcconnell, Lucas, McGrath, Tamaki Holly, McHugh, Niall Thomas, McNab, Andrew, McNulty, Ronan, Meadows, Brian, Meier, Gerwin, Melnychuk, Dmytro, Meloni, Simone, Merk, Marcel, Merli, Andrea, Meyer Garcia, Lucas, Miao, Dexing, Miao, Han, Mikhasenko, Mikhail, Milanes, Diego Alejandro, Milovanovic, Marko, Minard, Marie-Noelle, Minotti, Alessandro, Minucci, Elisa, Miralles, Tristan, Mitchell, Sara Elizabeth, Mitreska, Biljana, Mitzel, Dominik Stefan, Modak, Atanu, Mödden, Antje, Mohammed, Rizwaan Adeeb, Moise, Razvan-Daniel, Mokhnenko, Sergei, Mombächer, Titus, Monk, Matthew David, Monroy, Igancio Alberto, Monteil, Stephane, Morello, Gianfranco, Morello, Michael Joseph, Morgenthaler, Maurice Pierre, Moron, Jakub, Morris, Adam Benjamin, Morris, Andrew George, Mountain, Raymond, Mu, Hongjie, Muhammad, Emir, Muheim, Franz, Mulder, Mick, Müller, Katharina, Murray, Donal, Murta, Rebecca, Muzzetto, Piera, Naik, Paras, Nakada, Tatsuya, Nandakumar, Raja, Nanut, Tara, Nasteva, Irina, Needham, Matthew, Neri, Nicola, Neubert, Sebastian, Neufeld, Niko, Neustroev, Petr, Newcombe, Ryan, Nicolini, Janina, Nicotra, Davide, Niel, Elisabeth Maria, Nieswand, Simon, Nikitin, Nikolay, Nolte, Niklas Stefan, Normand, Camille, Novoa Fernandez, Julio, Nowak, Gabriel Matthew, Nunez, Cynthia, Oblakowska-Mucha, Agnieszka, Obraztsov, Vladimir, Oeser, Thomas, Okamura, Shinichi, Oldeman, Rudolf, Oliva, Federica, Onderwater, Gerco, O'Neil, Ryunosuke Hugo, Otalora Goicochea, Juan Martin, Ovsiannikova, Tatiana, Owen, Patrick, Oyanguren, Maria Aranzazu, Ozcelik, Ozlem, Padeken, Klaas Ole, Pagare, Bhagyashree, Pais, Preema Rennee, Pajero, Tommaso, Palano, Antimo, Palutan, Matteo, Panshin, Gennady, Paolucci, Lorenzo, Papanestis, Antonios, Pappagallo, Marco, Pappalardo, Luciano, Pappenheimer, Cheryl, Parker, William, Parkes, Christopher, Passalacqua, Barbara, Passaleva, Giovanni, Pastore, Alessandra, Patel, Mitesh, Patrignani, Claudia, Pawley, Christopher James, Pellegrino, Antonio, Pepe Altarelli, Monica, Perazzini, Stefano, Pereima, Dmitrii, Pereiro Castro, Asier, Perret, Pascal, Petridis, Konstantinos, Petrolini, Alessandro, Petrucci, Stefano, Petruzzo, Marco, Pham, Hang, Philippov, Anton, Piandani, Roberto, Pica, Lorenzo, Piccini, Mauro, Pietrzyk, Boleslaw, Pietrzyk, Guillaume, Pinci, Davide, Pisani, Flavio, Pizzichemi, Marco, Placinta, Vlad-Mihai, Plews, Jonathan, Plo Casasus, Maximo, Polci, Francesco, Poli Lener, Marco, Poluektov, Anton, Polukhina, Natalia, Polyakov, Ivan, Polycarpo, Erica, Ponce, Sebastien, Popov, Dmitry, Poslavskii, Stanislav, Prasanth, Kodassery, Promberger, Laura, Prouve, Claire, Pugatch, Valery, Puill, Veronique, Punzi, Giovanni, Qi, Hongrong, Qian, Wenbin, Qin, Ning, Qu, Sanqiang, Quagliani, Renato, Raab, Naomi Veronika, Rachwal, Bartlomiej, Rademacker, Jonas, Rajagopalan, Rohan, Rama, Matteo, Ramos Pernas, Miguel, Rangel, Murilo, Ratnikov, Fedor, Raven, Gerhard, Rebollo De Miguel, Miguel, Redi, Federico, Reich, Jake, Reiss, Florian, Ren, Zan, Resmi, P.K., Ribatti, Roberto, Ricci, Alessandro Maria, Ricciardi, Stefania, Richardson, Kate Abigail, Richardson-Slipper, Mary, Rinnert, Kurt, Robbe, Patrick, Robertson, Gary, Rodrigues, Eduardo, Rodriguez Fernandez, Emilio Xose, Rodriguez Lopez, Jairo Alexis, Rodriguez Rodriguez, Efren, Rolf, David Leonhard, Rollings, Alexandra Paige, Roloff, Philipp, Romanovskiy, Vladimir, Romero Lamas, Marcos, Romero Vidal, Antonio, Rotondo, Marcello, Rudolph, Matthew Scott, Ruf, Thomas, Ruiz Fernandez, Ramon Angel, Ruiz Vidal, Joan, Ryzhikov, Artem, Ryzka, Jakub, Saborido Silva, Juan Jose, Sagidova, Naylya, Sahoo, Niladribihari, Saitta, Biagio, Salomoni, Matteo, Sanchez Gras, Cristina, Sanderswood, Izaac, Santacesaria, Roberta, Santamarina Rios, Cibran, Santimaria, Marco, Santoro, Leonardo, Santovetti, Emanuele, Saranin, Danila, Sarpis, Gediminas, Sarpis, Mindaugas, Sarti, Alessio, Satriano, Celestina, Satta, Alessia, Saur, Miroslav, Savrina, Darya, Sazak, Halime, Scantlebury Smead, Luke George, Scarabotto, Alessandro, Schael, Stefan, Scherl, Sigrid, Schertz, Amy Marie, Schiller, Manuel, Schindler, Heinrich, Schmelling, Michael, Schmidt, Burkhard, Schmitt, Sebastian, Schneider, Olivier, Schopper, Andreas, Schubiger, Maxime, Schulte, Nicole, Schulte, Sebastian, Schune, Marie Helene, Schwemmer, Rainer, Schwering, Georg, Sciascia, Barbara, Sciuccati, Augusto, Sellam, Sara, Semennikov, Alexander, Senghi Soares, Mara, Sergi, Antonino, Serra, Nicola, Sestini, Lorenzo, Seuthe, Alex, Shang, Yiduo, Shangase, Desmond Mzamo, Shapkin, Mikhail, Shchemerov, Ivan, Shchutska, Lesya, Shears, Tara, Shekhtman, Lev, Shen, Zhihong, Sheng, Shuqi, Shevchenko, Vladimir, Shi, Boan, Shields, Edward Brendan, Shimizu, Yuya, Shmanin, Evgenii, Shorkin, Roman, Shupperd, Joseph David, Siddi, Benedetto Gianluca, Silva Coutinho, Rafael, Simi, Gabriele, Simone, Saverio, Singla, Minni, Skidmore, Nicola, Skuza, Raphael, Skwarnicki, Tomasz, Slater, Mark, Smallwood, Jennifer Clare, Smeaton, John Gordon, Smith, Eluned, Smith, Krista Lizbeth, Smith, Mark, Snoch, Aleksandra, Soares Lavra, Lais, Sokoloff, Michael, Soler, Paul, Solomin, Anatoly, Solovev, Aleksandr, Solovyev, Ivan, Song, Rongrong, Souza De Almeida, Felipe Luan, Souza De Paula, Bruno, Spadaro Norella, Elisabetta, Spedicato, Eugenia, Speer, Jannis Guido, Spiridenkov, Eduard, Spradlin, Patrick, Sriskaran, Viros, Stagni, Federico, Stahl, Marian, Stahl, Sascha, Stanislaus, Seophine, Stein, Eloise Noelle, Steinkamp, Olaf, Stenyakin, Oleg, Stevens, Holger, Strekalina, Daria, Su, Yangjie, Suljik, Fidan, Sun, Jiayin, Sun, Liang, Sun, Yipeng, Swallow, Paul Nathaniel, Swientek, Krzysztof, Szabelski, Adam, Szumlak, Tomasz, Szymanski, Maciej Pawel, Tan, Yinghua, Taneja, Shantam, Tat, Martin Duy, Terentev, Aleksandr, Teubert, Frederic, Thomas, Eric, Thompson, Daniel James David, Tilquin, Hanae, Tisserand, Vincent, T'Jampens, Stephane, Tobin, Mark, Tomassetti, Luca, Tonani, Giorgia, Tong, Xingyu, Torres Machado, Diego, Toscano, Luca, Tou, Da Yu, Trippl, Carina, Tuci, Giulia, Tuning, Niels, Ukleja, Artur, Unverzagt, Daniel Joachim, Usachov, Andrii, Ustyuzhanin, Andrey, Uwer, Ulrich, Vagnoni, Vincenzo, Valassi, Andrea, Valenti, Giovanni, Valls Canudas, Nuria, Van Dijk, Maarten, Van Hecke, Hubert, van Herwijnen, Eric, Van Hulse, Charlotte Barbara, van Veghel, Maarten, Vazquez Gomez, Ricardo, Vazquez Regueiro, Pablo, Vázquez Sierra, Carlos, Vecchi, Stefania, Velthuis, Jaap, Veltri, Michele, Venkateswaran, Aravindhan, Vesterinen, Mika, Vieira, Daniel, Vieites Diaz, Maria, Vilasis-Cardona, Xavier, Vilella Figueras, Eva, Villa, Andrea, Vincent, Pascal, Volle, Felicia Carolin, vom Bruch, Dorothea, Vorobyev, Vitaly, Voropaev, Nikolai, Vos, Kimberley, Vrahas, Constantinos, Walsh, John, Walton, Eliot Jane, Wan, Guanyue, Wang, Chishuai, Wang, Ganrong, Wang, Jialu, Wang, Jianchun, Wang, Jianqiao, Wang, Jike, Wang, Mengzhen, Wang, Rui, Wang, Xiaolin, Wang, Yilong, Wang, Zhenzi, Wang, Zirui, Wang, Ziyi, Ward, Jake Alexander, Watson, Nigel, Websdale, David, Wei, Yajing, Westhenry, Benedict Donald C., White, Dylan Jaide, Whitehead, Mark, Wiederhold, Aidan Richard, Wiedner, Dirk, Wilkinson, Guy, Wilkinson, Michael K., Williams, Ifan, Williams, Mike, Williams, Mark Richard James, Williams, Richard Morgan, Wilson, Fergus, Wislicki, Wojciech, Witek, Mariusz, Witola, Lukas, Wong, Cheuk Ping, Wormser, Guy, Wotton, Stephen, Wu, Hangyi, Wu, Jie, Wu, Yanxi, Wyllie, Kenneth, Xiang, Zhiyu, Xie, Yuehong, Xu, Ao, Xu, Jingyi, Xu, Li, Xu, Liangjun, Xu, Menglin, Xu, Qingnian, Xu, Zehua, Xu, Zhihao, Xu, Zijun, Yang, Di, Yang, Shuangli, Yang, Xueting, Yang, Youhua, Yang, Zhenwei, Yang, Zishuo, Yeroshenko, Vsevolod, Yeung, Ho Yin Dereck, Yin, Hang, Yu, Jiesheng, Yuan, Xuhao, Zaffaroni, Ettore, Zavertyaev, Mikhail, Zdybal, Milosz, Zeng, Ming, Zhang, Chenjia, Zhang, Dongliang, Zhang, Jianyu, Zhang, Liming, Zhang, Shulei, Zhang, Shunan, Zhang, Yanxi, Zhang, Yu, Zhao, Ya, Zharkova, Alina, Zhelezov, Alexey, Zheng, Yangheng, Zhou, Tianwen, Zhou, Xiaokang, Zhou, Yixiong, Zhovkovska, Valeriia, Zhu, Xianglei, Zhu, Xiaoyu, Zhu, Zhanwen, Zhukov, Valery, Zhuo, Jiahui, Zou, Quan, Zucchelli, Stefano, Zuliani, Davide, and Zunica, Gianluca

Subjects
Particle Physics - Experiment
Abstract

A flavor-tagged time-dependent angular analysis of the decay $B_s^{0} \rightarrow \phi\phi$ is performed using $pp$ collision data collected by the LHCb experiment at the center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 6fb$^{-1}$. The CP-violating phase and direct CP-violation parameter are measured to be $\phi_s^{s\bar{s}s} = -0.042 \pm 0.075 \pm 0.009 $ rad and $|\lambda|=1.004\pm 0.030 \pm 0.009 $, respectively, assuming the same values for all polarization states of the $\phi\phi$ system. In these results, the first uncertainties are statistical and the second systematic. These parameters are also determined separately for each polarization state, showing no evidence for polarization dependence. The results are combined with previous LHCb measurements using $pp$ collisions at center-of-mass energies of 7 and 8 TeV, yielding $\phi_s^{s\bar{s}s} = -0.074 \pm 0.069 $ rad and $|\lambda|=1.009 \pm 0.030$. This is the most precise study of time-dependent CP violation in a penguin-dominated $B$ meson decay. The results are consistent with CP symmetry and with the Standard Model predictions. A flavor-tagged time-dependent angular analysis of the decay $B_s^{0}\rightarrow\phi\phi$ is performed using $pp$ collision data collected by the LHCb experiment at $\sqrt{s}=13$ TeV, the center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 6 fb^{-1}. The $\it{CP}$-violating phase and direct $\it{CP}$-violation parameter are measured to be $\phi_{s\bar{s}s} = -0.042 \pm 0.075 \pm 0.009 $ rad and $|\lambda|=1.004\pm 0.030 \pm 0.009 $, respectively, assuming the same values for all polarization states of the $\phi\phi$ system. In these results, the first uncertainties are statistical and the second systematic. These parameters are also determined separately for each polarization state, showing no evidence for polarization dependence. The results are combined with previous LHCb measurements using $pp$ collisions at center-of-mass energies of 7 and 8 TeV, yielding $\phi_{s\bar{s}s} = -0.074 \pm 0.069 $ rad and $|\lambda|=1.009 \pm 0.030$. This is the most precise study of time-dependent $\it{CP} $ violation in a penguin-dominated $B$ meson decay. The results are consistent with $\it{CP} $ symmetry and with the Standard Model predictions.

Published
2023

6. Precision measurement of $\it{CP} $ violation in the penguin-mediated decay $B_s^{0}\rightarrow\phi\phi$

Author

Aaij, Roel, Abdelmotteleb, Ahmed Sameh Wagih, Abellan Beteta, Carlos, Abudinén, Fernando Jesus, Ackernley, Thomas, Adeva, Bernardo, Adinolfi, Marco, Adlarson, Patrik Harri, Afsharnia, Hossein, Agapopoulou, Christina, Aidala, Christine Angela, Ajaltouni, Ziad, Akar, Simon, Akiba, Kazuyoshi, Albicocco, Pietro, Albrecht, Johannes, Alessio, Federico, Alexander, Michael, Alfonso Albero, Alejandro, Aliouche, Zakariya, Alvarez Cartelle, Paula, Amalric, Renaud, Amato, Sandra, Amey, Jake Lewis, Amhis, Yasmine, An, Liupan, Anderlini, Lucio, Andersson, Martin, Andreianov, Aleksei, Andreotti, Mirco, Andreou, Dimitra, Ao, Dong, Archilli, Flavio, Artamonov, Alexander, Artuso, Marina, Aslanides, Elie, Atzeni, Michele, Audurier, Benjamin, Bachiller Perea, Irene, Bachmann, Sebastian, Bachmayer, Marie, Back, John, Bailly-Reyre, Aurelien, Baladron Rodriguez, Pablo, Balagura, Vladislav, Baldini, Wander, Baptista de Souza Leite, Juan, Barbetti, Matteo, Barlow, Roger, Barsuk, Sergey, Barter, William, Bartolini, Matteo, Baryshnikov, Fedor, Basels, Jan-Marc, Bassi, Giovanni, Batozskaya, Varvara, Batsukh, Baasansuren, Battig, Alexander, Bay, Aurelio, Beck, Anja, Becker, Maik, Bedeschi, Franco, Bediaga, Ignacio, Beiter, Andrew, Belin, Samuel, Bellee, Violaine, Belous, Konstantin, Belov, Ilia, Belyaev, Ivan, Benane, Gaya, Bencivenni, Giovanni, Ben-Haim, Eli, Berezhnoy, Alexander, Bernet, Roland, Bernet Andres, Sergi, Berninghoff, Daniel, Bernstein, Harris Conan, Bertella, Claudia, Bertolin, Alessandro, Betancourt, Christopher, Betti, Federico, Bezshyiko, Iaroslava, Bhom, Jihyun, Bian, Lingzhu, Bieker, Martin Stefan, Biesuz, Nicolo Vladi, Billoir, Pierre, Biolchini, Alice, Birch, Matthew, Bishop, Fionn Caitlin Ros, Bitadze, Alexander, Bizzeti, Andrea, Blago, Michele Piero, Blake, Thomas, Blanc, Frederic, Blank, Jonah Evan, Blusk, Steven, Bobulska, Dana, Bocharnikov, Vladimir, Boelhauve, Julian Alexander, Boente Garcia, Oscar, Boettcher, Thomas, Boldyrev, Alexey, Bolognani, Carolina, Bolzonella, Riccardo, Bondar, Nikolay, Borgato, Federica, Borghi, Silvia, Borsato, Martino, Borsuk, Jozef Tomasz, Bouchiba, Sonia Amina, Bowcock, Themistocles, Boyer, Alexandre, Bozzi, Concezio, Bradley, Matthew John, Braun, Svende, Brea Rodriguez, Alexandre, Breer, Nils, Brodzicka, Jolanta, Brossa Gonzalo, Arnau, Brown, James David, Brundu, Davide, Buonaura, Annarita, Buonincontri, Laura, Burke, Aodhan Tomas, Burr, Christopher, Bursche, Albert, Butkevich, Anatoly, Butter, Jordy Sebastiaan, Buytaert, Jan, Byczynski, Wiktor, Cadeddu, Sandro, Cai, Hao, Calabrese, Roberto, Calefice, Lukas, Cali, Stefano, Calvi, Marta, Calvo Gomez, Miriam, Campana, Pierluigi, Campora Perez, Daniel Hugo, Campoverde Quezada, Angel Fernando, Capelli, Simone, Capriotti, Lorenzo, Carbone, Angelo, Cardinale, Roberta, Cardini, Alessandro, Carniti, Paolo, Carus, Leon David, Casais Vidal, Adrian, Caspary, Rowina, Casse, Gianluigi, Cattaneo, Marco, Cavallero, Giovanni, Cavallini, Viola, Celani, Sara, Cerasoli, Jacopo, Cervenkov, Daniel, Chadwick, Abbie Jane, Chahrour, Ibrahim, Chapman, Matthew George, Charles, Matthew, Charpentier, Philippe, Chavez Barajas, Carlos Alberto, Chefdeville, Maximilien, Chen, Chen, Chen, Shanzhen, Chernov, Aleksei, Chernyshenko, Serhii, Chobanova, Veronika, Cholak, Serhii, Chrzaszcz, Marcin, Chubykin, Aleksei, Chulikov, Vladimir, Ciambrone, Paolo, Cicala, Maria Flavia, Cid Vidal, Xabier, Ciezarek, Gregory, Cifra, Pierfrancesco, Clarke, Peter, Clemencic, Marco, Cliff, Harry, Closier, Joel, Cobbledick, John Leslie, Coco, Victor, Cogan, Julien, Cogneras, Eric, Cojocariu, Lucian, Collins, Paula, Colombo, Tommaso, Congedo, Liliana, Contu, Andrea, Cooke, Naomi, Corredoira, Imanol, Corti, Gloria, Couturier, Benjamin, Craik, Daniel Charles, Cruz Torres, Melissa Maria, Currie, Robert, da Silva, Cesar Luiz, Dadabaev, Shakhzod, Dai, Lingyun, Dai, Xinchen, Dall'Occo, Elena, Dalseno, Jeremy, d'Ambrosio, Carmelo, Daniel, Jessy, Danilina, Anna, d'Argent, Philippe, Davies, Jonathan Edward, Davis, Adam, de Aguiar Francisco, Oscar, de Boer, Jan, de Bruyn, Kristof, de Capua, Stefano, de Cian, Michel, de Freitas Carneiro da Graca, Ulisses, de Lucia, Erika, de Miranda, Jussara, de Paula, Leandro, de Serio, Marilisa, de Simone, Dario, de Simone, Patrizia, de Vellis, Fabio, de Vries, Jacco, Dean, Cameron Thomas, Debernardis, Francesco, Decamp, Daniel, Dedu, Vlad-George, del Buono, Luigi, Delaney, Blaise, Dembinski, Hans Peter, Denysenko, Vadym, Deschamps, Olivier, Dettori, Francesco, Dey, Biplab, Di Nezza, Pasquale, Diachkov, Igor, Didenko, Sergey, Dieste Maronas, Lorena, Ding, Shuchong, Dobishuk, Vasyl, Dolmatov, Aleksandr, Dong, Chenzhi, Donohoe, Amanda May, Dordei, Francesca, dos Reis, Alberto, Douglas, Lauren, Downes, Anthony Gavin, Duda, Piotr Jakub, Dudek, Maciej Wojciech, Dufour, Laurent, Duk, Viacheslav, Durante, Paolo, Duras, Maciej, Durham, John Matthew, Dutta, Deepanwita, Dziurda, Agnieszka, Dzyuba, Alexey, Easo, Sajan, Egede, Ulrik, Egorychev, Artem, Egorychev, Victor, Eirea Orro, Caetano, Eisenhardt, Stephan, Ejopu, Enoch, Ek-In, Surapat, Eklund, Lars, Elashri, Mohamed, Ellbracht, Jan Hendrik, Ely, Scott, Ene, Alexandru, Epple, Eliane, Escher, Stephan, Eschle, Jonas Nathanael, Esen, Sevda, Evans, Timothy, Fabiano, Federica, Falcao, Lucas, Fan, Yanting, Fang, Bo, Fantini, Lisa, Faria, Maria, Farry, Stephen, Fazzini, Davide, Felkowski, Lukasz Jerzy, Feo, Mauricio, Fernandez Gomez, Miguel, Fernez, Alex Daniel, Ferrari, Fabio, Ferreira Lopes, Lino, Ferreira Rodrigues, Fernando, Ferreres Sole, Silvia, Ferrillo, Martina, Ferro-Luzzi, Massimiliano, Filippov, Sergey, Fini, Rosa Anna, Fiorini, Massimiliano, Firlej, Miroslaw, Fischer, Kamil Leszek, Fitzgerald, Dillon Scott, Fitzpatrick, Conor, Fiutowski, Tomasz, Fleuret, Frederic, Fontana, Marianna, Fontanelli, Flavio, Forty, Roger, Foulds-Holt, Daniel, Franco Lima, Vinicius, Franco Sevilla, Manuel, Frank, Markus, Franzoso, Edoardo, Frau, Giulia, Frei, Christoph, Friday, David Anthony, Frontini, Luca, Fu, Jinlin, Fuehring, Quentin, Fulghesu, Tommaso, Gabriel, Emmy, Galati, Giuliana, Galati, Maria Domenica, Gallas Torreira, Abraham, Galli, Domenico, Gambetta, Silvia, Gandelman, Miriam, Gandini, Paolo, Gao, Han, Gao, Rui, Gao, Yang, Gao, Yuanning, Garau, Michela, Garcia Martin, Luis Miguel, Garcia Moreno, Paula, García Pardiñas, Julián, Garcia Plana, Beatriz, Garcia Rosales, Felipe Andres, Garrido, Lluis, Gaspar, Clara, Geertsema, Robbert Erik, Gerick, David, Gerken, Louis Lenard, Gersabeck, Evelina, Gersabeck, Marco, Gershon, Timothy, Giambastiani, Luca, Gibson, Valerie, Giemza, Henryk Karol, Gilman, Alexander Leon, Giovannetti, Matteo, Gioventù, Alessandra, Gironella Gironell, Pere, Giugliano, Carmen, Giza, Maciej Artur, Gizdov, Konstantin, Gkougkousis, Evangelos Leonidas, Gligorov, Vladimir, Göbel, Carla, Golobardes, Elisabet, Golubkov, Dmitry, Golutvin, Andrey, Gomes, Alvaro, Gomez Fernandez, Sergio, Goncalves Abrantes, Fernanda, Goncerz, Mateusz, Gong, Guanghua, Gorelov, Igor Vladimirovich, Gotti, Claudio, Grabowski, Jascha Peter, Grammatico, Thomas, Granado Cardoso, Luis Alberto, Graugés, Eugeni, Graverini, Elena, Graziani, Giacomo, Grecu, Alexandru Tudor, Greeven, Lex Marinus, Grieser, Nathan Allen, Grillo, Lucia, Gromov, Sergey, Gu, Chenxi, Guarise, Marco, Guittiere, Manuel, Guliaeva, Vasilisa, Günther, Paul Andre, Guseinov, Abdul-Kerim, Gushchin, Evgeny, Guz, Yury, Gys, Thierry, Hadavizadeh, Thomas, Hadjivasiliou, Christos, Haefeli, Guido, Haen, Christophe, Haimberger, Jakob, Haines, Susan, Halewood-Leagas, Tabitha, Halvorsen, Marius Maehlum, Hamilton, Phoebe Meredith, Hammerich, Jan, Han, Qundong, Han, Xiaoxue, Hansmann-Menzemer, Stephanie, Harnew, Neville, Harrison, Thomas, Hasse, Christoph, Hatch, Mark, He, Jibo, Heijhoff, Kevin, Hemmer, Frederic, Henderson, Conor, Henderson, Riley Dylan Leslie, Hennequin, Arthur Marius, Hennessy, Karol, Henry, Louis, Herd, James Daniel, Heuel, Johannes, Hicheur, Adlène, Hill, Donal, Hilton, Martha, Hollitt, Sophie, Horswill, Joshua Ethan, Hou, Ruiwen, Hou, Yingrui, Hu, Jiangqiao, Hu, Jifeng, Hu, Wenhua, Hu, Xiaofan, Huang, Wenqian, Huang, Xiaotao, Hulsbergen, Wouter, Hunter, Ross John, Hushchyn, Mikhail, Hutchcroft, David, Ibis, Philipp, Idzik, Marek, Ilin, Dmitrii, Ilten, Philip, Inglessi, Alexander, Iniukhin, Aleksandr, Ishteev, Artur, Ivshin, Kuzma, Jacobsson, Richard, Jage, Hendrik, Jaimes Elles, Sergio Javier, Jakobsen, Sune, Jans, Eddy, Jashal, Brij Kishor, Jawahery, Abolhassan, Jevtic, Vukan, Jiang, Emily Kaiyin, Jiang, Xiaojie, Jiang, Yi, John, Malcolm, Johnson, Daniel, Jones, Christopher, Jones, Thomas Peter, Joshi, Salil, Jost, Beat, Jurik, Nathan, Juszczak, Izabela, Kandybei, Sergii, Kang, Youen, Karacson, Matthias, Karpenkov, Dmitrii, Karpov, Maksim, Kautz, Jacob William, Keizer, Floris, Keller, Dustin Michael, Kenzie, Matthew, Ketel, Tjeerd, Khanji, Basem, Kharisova, Anastasiia, Kholodenko, Sergei, Khreich, Gaelle, Kirn, Thomas, Kirsebom, Veronica Soelund, Kitouni, Ouail, Klaver, Suzanne, Kleijne, Nico, Klimaszewski, Konrad, Kmiec, Mateusz Rafal, Koliiev, Serhii, Kolk, Lars, Kondybayeva, Almagul, Konoplyannikov, Anatoly, Kopciewicz, Pawel, Kopecna, Renata, Koppenburg, Patrick, Korolev, Mikhail, Kostiuk, Igor, Kot, Oleksander, Kotriakhova, Sofia, Kozachuk, Anastasiia, Kravchenko, Polina, Kravchuk, Leonid, Kreps, Michal, Kretzschmar, Sophie Katharina, Krokovny, Pavel, Krupa, Wojciech, Krzemien, Wojciech, Kubat, Jakub, Kubis, Sebastian Antoni, Kucewicz, Wojciech, Kucharczyk, Marcin, Kudryavtsev, Vasily, Kulikova, Evgenia, Kupsc, Andrzej, Lacarrere, Daniel, Lafferty, George, Lai, Adriano, Lampis, Andrea, Lancierini, Davide, Landesa Gomez, Clara, Lane, John Jake, Lane, Richard, Langenbruch, Christoph, Langer, Jan, Lantwin, Oliver, Latham, Thomas, Lazzari, Federico, Lazzeroni, Cristina, Le Gac, Renaud, Lee, Sook Hyun, Lefèvre, Regis, Leflat, Alexander, Legotin, Sergey, Leroy, Olivier, Lesiak, Tadeusz, Leverington, Blake, Li, Anfeng, Li, Hengne, Li, Kechen, Li, Peilian, Li, Pei-Rong, Li, Shiyang, Li, Tiange, Li, Tianqi, Li, Yiming, Li, Zhuoming, Liang, Xixin, Lin, Chuangxin, Lin, Tai-Hua, Lindner, Rolf, Lisovskyi, Vitalii, Litvinov, Roman, Liu, Guoming, Liu, Huanhuan, Liu, Kai, Liu, Qian, Liu, Shuaiyi, Lobo Salvia, Aniol, Loi, Angelo, Lollini, Riccardo, Lomba Castro, Julian, Longstaff, Iain, Lopes, Jose, Lopez Huertas, Albert, López Soliño, Saúl, Lovell, George Holger, Lu, Yu, Lucarelli, Chiara, Lucchesi, Donatella, Luchuk, Stanislav, Lucio Martinez, Miriam, Lukashenko, Valeriia, Luo, Yiheng, Lupato, Anna, Luppi, Eleonora, Lynch, Kate, Lyu, Xiao-Rui, Ma, Ruiting, Maccolini, Serena, Machefert, Frederic, Maciuc, Florin, Mackay, Innes, Macko, Vladimir, Madhan Mohan, Lakshan Ram, Maevskiy, Artem, Maisuzenko, Dmitrii, Majewski, Maciej Witold, Malczewski, Jakub Jacek, Malde, Sneha, Malecki, Bartosz, Malinin, Alexander, Maltsev, Timofei, Manca, Giulia, Mancinelli, Giampiero, Mancuso, Chiara, Manera Escalero, Rafel, Manuzzi, Daniele, Manzari, Claudio Andrea, Marangotto, Daniele, Maratas, Jan Mickelle, Marchand, Jean François, Marconi, Umberto, Mariani, Saverio, Marin Benito, Carla, Marks, Jörg, Marshall, Alexander Mclean, Marshall, Phillip John, Martelli, Gabriele, Martellotti, Giuseppe, Martinazzoli, Loris, Martinelli, Maurizio, Martinez Santos, Diego, Martinez Vidal, Fernando, Massafferri, André, Materok, Marcel, Matev, Rosen, Mathad, Abhijit, Matiunin, Viacheslav, Matteuzzi, Clara, Mattioli, Kara Renee, Mauri, Andrea, Maurice, Emilie, Mauricio, Joan, Mazurek, Michal, Mccann, Michael, Mcconnell, Lucas, Mcgrath, Tamaki Holly, Mchugh, Niall Thomas, Mcnab, Andrew, Mcnulty, Ronan, Meadows, Brian, Meier, Gerwin, Melnychuk, Dmytro, Meloni, Simone, Merk, Marcel, Merli, Andrea, Meyer Garcia, Lucas, Miao, Dexing, Miao, Han, Mikhasenko, Mikhail, Milanes, Diego Alejandro, Milovanovic, Marko, Minard, Marie-Noelle, Minotti, Alessandro, Minucci, Elisa, Miralles, Tristan, Mitchell, Sara Elizabeth, Mitreska, Biljana, Mitzel, Dominik Stefan, Modak, Atanu, Mödden, Antje, Mohammed, Rizwaan Adeeb, Moise, Razvan-Daniel, Mokhnenko, Sergei, Mombächer, Titus, Monk, Matthew David, Monroy, Igancio Alberto, Monteil, Stephane, Morello, Gianfranco, Morello, Michael Joseph, Morgenthaler, Maurice Pierre, Moron, Jakub, Morris, Adam Benjamin, Morris, Andrew George, Mountain, Raymond, Mu, Hongjie, Muhammad, Emir, Muheim, Franz, Mulder, Mick, Müller, Katharina, Murray, Donal, Murta, Rebecca, Muzzetto, Piera, Naik, Paras, Nakada, Tatsuya, Nandakumar, Raja, Nanut, Tara, Nasteva, Irina, Needham, Matthew, Neri, Nicola, Neubert, Sebastian, Neufeld, Niko, Neustroev, Petr, Newcombe, Ryan, Nicolini, Janina, Nicotra, Davide, Niel, Elisabeth Maria, Nieswand, Simon, Nikitin, Nikolay, Nolte, Niklas Stefan, Normand, Camille, Novoa Fernandez, Julio, Nowak, Gabriel Matthew, Nunez, Cynthia, Oblakowska-Mucha, Agnieszka, Obraztsov, Vladimir, Oeser, Thomas, Okamura, Shinichi, Oldeman, Rudolf, Oliva, Federica, Onderwater, Gerco, O'Neil, Ryunosuke Hugo, Otalora Goicochea, Juan Martin, Ovsiannikova, Tatiana, Owen, Patrick, Oyanguren, Maria Aranzazu, Ozcelik, Ozlem, Padeken, Klaas Ole, Pagare, Bhagyashree, Pais, Preema Rennee, Pajero, Tommaso, Palano, Antimo, Palutan, Matteo, Panshin, Gennady, Paolucci, Lorenzo, Papanestis, Antonios, Pappagallo, Marco, Pappalardo, Luciano, Pappenheimer, Cheryl, Parker, William, Parkes, Christopher, Passalacqua, Barbara, Passaleva, Giovanni, Pastore, Alessandra, Patel, Mitesh, Patrignani, Claudia, Pawley, Christopher James, Pellegrino, Antonio, Pepe Altarelli, Monica, Perazzini, Stefano, Pereima, Dmitrii, Pereiro Castro, Asier, Perret, Pascal, Petridis, Konstantinos, Petrolini, Alessandro, Petrucci, Stefano, Petruzzo, Marco, Pham, Hang, Philippov, Anton, Piandani, Roberto, Pica, Lorenzo, Piccini, Mauro, Pietrzyk, Boleslaw, Pietrzyk, Guillaume, Pinci, Davide, Pisani, Flavio, Pizzichemi, Marco, Placinta, Vlad-Mihai, Plews, Jonathan, Plo Casasus, Maximo, Polci, Francesco, Poli Lener, Marco, 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Zhiyu, Xie, Yuehong, Xu, Ao, Xu, Jingyi, Xu, Li, Xu, Liangjun, Xu, Menglin, Xu, Qingnian, Xu, Zehua, Xu, Zhihao, Xu, Zijun, Yang, Di, Yang, Shuangli, Yang, Xueting, Yang, Youhua, Yang, Zhenwei, Yang, Zishuo, Yeroshenko, Vsevolod, Yeung, Ho Yin Dereck, Yin, Hang, Yu, Jiesheng, Yuan, Xuhao, Zaffaroni, Ettore, Zavertyaev, Mikhail, Zdybal, Milosz, Zeng, Ming, Zhang, Chenjia, Zhang, Dongliang, Zhang, Jianyu, Zhang, Liming, Zhang, Shulei, Zhang, Shunan, Zhang, Yanxi, Zhang, Yu, Zhao, Ya, Zharkova, Alina, Zhelezov, Alexey, Zheng, Yangheng, Zhou, Tianwen, Zhou, Xiaokang, Zhou, Yixiong, Zhovkovska, Valeriia, Zhu, Xianglei, Zhu, Xiaoyu, Zhu, Zhanwen, Zhukov, Valery, Zhuo, Jiahui, Zou, Quan, Zucchelli, Stefano, Zuliani, Davide, Zunica, Gianluca, Laboratoire de Physique de Clermont (LPC), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)-Université Clermont Auvergne (UCA), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE (UMR_7585)), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique des 2 Infinis Irène Joliot-Curie (IJCLab), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS), Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire Leprince-Ringuet (LLR), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), and LHCb

Subjects
p p: scattering, Phi(1020): pair production, precision measurement, 13000 GeV-cms, +2Phi%281020%29%22">B/s0 --> 2Phi(1020), amplitude analysis: penguin, asymmetry: time dependence, LHC-B, asymmetry: CP, scattering amplitude: interference, High Energy Physics - Experiment, polarization: dependence, B/s0 anti-B/s0: mixing, error: statistical, CERN LHC Coll, B/s0: hadronic decay, CP: violation, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], p p: colliding beams, B/s0: rare decay, experimental results
Abstract

A flavor-tagged time-dependent angular analysis of the decay $B_s^{0}\rightarrow\phi\phi$ is performed using $pp$ collision data collected by the LHCb experiment at $\sqrt{s}=13$ TeV, the center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 6 fb^{-1}. The $\it{CP}$-violating phase and direct $\it{CP}$-violation parameter are measured to be $\phi_{s\bar{s}s} = -0.042 \pm 0.075 \pm 0.009 $ rad and $|\lambda|=1.004\pm 0.030 \pm 0.009 $, respectively, assuming the same values for all polarization states of the $\phi\phi$ system. In these results, the first uncertainties are statistical and the second systematic. These parameters are also determined separately for each polarization state, showing no evidence for polarization dependence. The results are combined with previous LHCb measurements using $pp$ collisions at center-of-mass energies of 7 and 8 TeV, yielding $\phi_{s\bar{s}s} = -0.074 \pm 0.069 $ rad and $|\lambda|=1.009 \pm 0.030$. This is the most precise study of time-dependent $\it{CP} $ violation in a penguin-dominated $B$ meson decay. The results are consistent with $\it{CP} $ symmetry and with the Standard Model predictions., Comment: All figures and tables, along with any supplementary material and additional information, are available at https://cern.ch/lhcbproject/Publications/p/LHCb-PAPER-2023-001.html (LHCb public pages)

Published
2023

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