Accès ouvert déclaré
2023
article
Improved measurement of $CP$ violation parameters in $B^0_s\\to J/\\psi K^{+}K^{-}$ decays in the vicinity of the $\\phi(1020)$ resonance
R. Aaij, A. S. W. Abdelmotteleb, F. Abudinén, T. Ackernley, B. Adeva, M. Adinolfi, P. Adlarson, H. Afsharnia, C. Agapopoulou, C. Aidala, Z. Ajaltouni, S. Akar, K. Carvalho Akiba, P. Albicocco, J. Albrecht, F. Alessio, M. Alexander, Zakariya Aliouche, Renaud Amalric, S. Amato, J. L. Amey, Y. Amhis, Liupan An, L. Anderlini, M. Andersson, A. Andreianov, P. Andreola, M. Andreotti, D. Andreou, F. Archilli, A. Artamonov, M. Artuso, E. Aslanides, M. Atzeni, Benjamin Audurier, D. Bacher, S. Bachmann, Marie Bachmayer, J. J. Back, A. Bailly-reyre, V. Balagura, W. Baldini, M. Barbetti, R. J. Barlow, S. Barsuk, W. Barter, M. Bartolini, F. Baryshnikov, J. M. Basels, G. Bassi, B. Batsukh, A. Battig, A. Bay, A. Beck, M. Becker, F. Bedeschi, I. Bediaga, A. Beiter, S. Belin, V. Bellée, K. Belous, I. Belov, I. Belyaev, G. Benane, G. Bencivenni, E. Ben-Haim, A. Berezhnoy, R. Bernet, D. Berninghoff, H. C. Bernstein, C. Bertella, A. Bertolin, C. Betancourt, F. Betti, J. Bex, J. Bhom, L. Bian, M. S. Bieker, N. V. Biesuz, P. Billoir, A. Biolchini, M. Birch, F. C. R. Bishop, A. Bitadze, A. Bizzeti, Michele Piero Blago, T. Blake, F. Blanc, Jonah Evan Blank, S. Blusk, D. Bobulska, Vladimir Bocharnikov, J. A. Boelhauve, T. Boettcher, A. Bohare, A. S. Boldyrev, C. S. Bolognani, R. Bolzonella, N. Bondar, F. Borgato, S. Borghi, M. Borsato, J. T. Borsuk, Sonia Amina Bouchiba, T. J. V. Bowcock, A. Boyer, C. Bozzi, Matthew John Bradley, S. Braun, Nils Breer, J. Brodzicka, James David Brown, D. Brundu, A. Buonaura, L. Buonincontri, A. T. Burke, C. Burr, Albert Bursche, A. Butkevich, J. S. Butter, J. Buytaert, W. Byczynski, S. Cadeddu, Hao Cai, R. Calabrese, Lukas Calefice, S. Cali, M. Calvi, P. Campana, S. Capelli, L. Capriotti, A. Carbone, R. Cardinale, A. Cardini, P. Carniti, Leon David Carus, R. Caspary, G. Casse, M. Cattaneo, G. Cavallero, V. Cavallini, S. Celani, J. Cerasoli, D. Červenkov, A. J. Chadwick, Ibrahim Chahrour, Matthew George Chapman, M. Charles, Philippe Charpentier, M. Chefdeville, S. Chen, A. Chernov, S. Chernyshenko, V. Chobanova, Serhii Cholak, A. Chubykin, V. Chulikov, M. F. Cicala, G. Ciezarek, P. Cifra, Peter Clarke, M. Clemencic, H. V. Cliff, J. Closier, John Leslie Cobbledick, V. Coco, Julien Cogan, E. Cogneras, L. Cojocariu, P. Collins, T. Colombo, A. Comerma-Montells, L. Congedo, A. Contu, N. Cooke, I. Corredoira, Anthony Correia, G. Corti, B. Couturier, D. C. Craik, R. Currie, Cesar Luiz da Silva, S. Dadabaev, L. Dai, X. Dai, E. Dall’Occo, J. Dalseno, Carmelo d'Ambrosio, J. Daniel, A. Danilina, P. d’Argent, Alexander Davidson, J. E. Davies, Adam Davis, Jan de Boer, K. De Bruyn, S. De Capua, M. De Cian, E. De Lucia, L. De Paula, M. De Serio, P. De Simone, F. De Vellis, J. A. de Vries, Cameron Thomas Dean, F. Debernardis, D. Décamp, V. Dedu, L. Del Buono, B. Delaney, H.-P. Dembinski, V. Denysenko, O. Deschamps, F. Dettori, B. Dey, P. Di Nezza, I. Diachkov, S. Didenko, S. Ding, Vasyl Dobishuk, A. D. Docheva, Aleksandr Dolmatov, C. Dong, A. M. Donohoe, F. Dordei, Alberto dos Reis, Lauren Douglas, A. G. Downes, Weisong Duan, P. Duda, M. W. Dudek, L. Dufour, V. Duk, P. Durante, J. M. Durham, D. Dutta, A. Dziurda, A. Dzyuba, Ellinor Eckstein, U. Egede, A. Egorychev, V. Egorychev, S. Eisenhardt, E. Ejopu, S. Ek-In, L. Eklund, Mohamed Elashri, Jan Hendrik Ellbracht, S. Ely, A. Ene, E. Epple, S. Escher, Jonas Nathanael Eschle, S. Esen, Timothy Evans, Federica Fabiano, L. N. Falcao, Bo Fang, L. Fantini, Maria Faria, K. Farmer, S. Farry, D. Fazzini, Lukasz Jerzy Felkowski, Mingjie Feng, M. Féo, Alex Daniel Fernez, M. Ferrillo, M. Ferro-Luzzi, S. Filippov, Rosa Anna Fini, M. Fiorini, M. Firlej, Kamil Leszek Fischer, D. S. Fitzgerald, C. Fitzpatrick, T. Fiutowski, F. Fleuret, M. Fontana, F. Fontanelli, Lucas Arthur Foreman, R. Forty, D. Foulds-Holt, M. Frank, E. Franzoso, G. Frau, C. Frei, D. A. Friday, L. Frontini, J. Fu, Quentin Fuehring, Yuki Fujii, T. Fulghesu, E. Gabriel, G. Galati, M. D. Galati, D. Galli, S. Gambetta, M. Gandelman, P. Gandini, Han Gao, Rui Gao, Yang Gao, Yuanning Gao, M. Garau, L. Garrido, C. Gaspar, R. E. Geertsema, Louis Lenard Gerken, E. Gersabeck, M. Gersabeck, Timothy Gershon, L. Giambastiani, F. I. Giasemis, V. Gibson, H. K. Giemza, A. Gilman, M. Giovannetti, A. Gioventù, C. Giugliano, Maciej Artur Giza, K. Gizdov, E. L. Gkougkousis, F. C. Glaser, V. V. Gligorov, C. Göbel, D. Golubkov, A. Golutvin, M. Goncerz, Guanghua Gong, J. A. Gooding, I. Gorelov, C. Gotti, J. P. Grabowski, E. Graugés, E. Graverini, L. Grazette, G. Graziani, A. Grecu, Lex Marinus Greeven, Nathan Allen Grieser, Lucia Grillo, S. Gromov, C. Gu, M. Guarise, M. Guittiere, Vasilisa Guliaeva, P. A. Günther, Abdul-Kerim Guseinov, E. Gushchin, Yury Guz, T. Gys, T. Hadavizadeh, C. Hadjivasiliou, G. Haefeli, C. Haen, Jakob Haimberger, S. C. Haines, Mohammadtaghi Hajheidari, T. Halewood-leagas, Marius Maehlum Halvorsen, P. M. Hamilton, J. Hammerich, Qundong Han, Xiaoxue Han, S. Hansmann-Menzemer, N. Harnew, T. Harrison, M. Hartmann, C. Hasse, M. Hatch, Jibo He, Kevin Heijhoff, Frédéric Hemmer, C. Henderson, R. D. L. Henderson, A. M. Hennequin, K. Hennessy, Louis Henry, James Daniel Herd, J. Heuel, A. Hicheur, D. Hill, M. Hilton, S. E. Hollitt, J. Horswill, Ruiwen Hou, Y. R. Hou, Ned Francis Howarth, Jiangqiao Hu, J. F. Hu, Wenhua Hu, Xiaofan Hu, Wenqian Huang, Xiaotao Huang, W. Hulsbergen, R. J. Hunter, D. Hutchcroft, P. Ibis, M. Idzik, Dmitrii Ilin, P. Ilten, A. Inglessi, Aleksandr Iniukhin, A. Ishteev, К. Ившин, R. Jacobsson, H. Jage, S. Jakobsen, E. Jans, B. K. Jashal, A. Jawahery, Vukan Jevtic, Emily Kaiyin Jiang, X. Jiang, Y. Jiang, Yuyang Jiang, M. John, Daniel Johnson, Christopher Jones, Thomas Peter Jones, Salil Joshi, B. Jost, N. Jurik, Izabela Juszczak, Dimitrios Kaminaris, S. Kandybei, Youen Kang, M. Karacson, Dmitrii Karpenkov, M. Karpov, Anni Kauniskangas, J. W. Kautz, F. Keizer, D. M. Keller, M. Kenzie, T. Ketel, B. Khanji, A. Kharisova, S. Kholodenko, G. Khreich, T. Kirn, V. S. Kirsebom, O. Kitouni, S. Klaver, N. Kleijne, K. Klimaszewski, M. R. Kmiec, Lars Kolk, A. Konoplyannikov, P. Kopciewicz, R. Kopecna, P. Koppenburg, M. Korolev, I. Kostiuk, O. Kot, S. Kotriakhova, Anastasiia Kozachuk, P. Kravchenko, L. Kravchuk, M. Kreps, S. Kretzschmar, P. Krokovny, W. Krupa, W. Krzemień, Jakub Kubat, Sebastian Antoni Kubis, W. Kucewicz, M. Kucharczyk, V. Kudryavtsev, Evgenia Kulikova, A. Kupść, Bogdan Kutsenko, D. Lacarrère, G. Lafferty, A. Lai, A. Lampis, Davide Lancierini, J. J. Lane, R. Lane, C. Langenbruch, Jan Langer, O. Lantwin, T. Latham, F. Lazzari, C. Lazzeroni, R. Le Gac, R. Lefèvre, A. Leflat, S. Legotin, O. Leroy, T. Lesiak, B. Leverington, Anfeng Li, H. Li, Kechen Li, Lanxing Li, Peilian Li, Pei‐Rong Li, Shiyang Li, Tiange Li, Tianqi Li, Yiming Li, Zhuoming Li, Zhengchen Lian, Xixin Liang, T. Lin, R. Lindner, V. Lisovskyi, Roman Litvinov, Guoming Liu, Huanhuan Liu, K. Liu, Shuaiyi Liu, Yiming Liu, Ying Liu, A. Loi, Thomas Long, I. Longstaff, Jose Lopes, G. H. Lovell, Y. Lu, C. Lucarelli, D. Lucchesi, S. Luchuk, Valeriia Lukashenko, Y. Luo, A. Lupato, E. Luppi, Kate Lynch, X. R. Lyu, Ruiting Ma, S. Maccolini, F. Machefert, F. Maciuc, Innes Mackay, Marcus Jonathan Madurai, A. Maevskiy, Daniel Magdalinski, D. Maisuzenko, M. W. Majewski, J. J. Malczewski, S. Malde, B. Małecki, Alexander Malinin, T. Maltsev, G. Manca, G. Mancinelli, C. Mancuso, Daniele Manuzzi, C. A. Manzari, D. Marangotto, J. F. Marchand, U. Marconi, S. Mariani, J. Marks, A. M. Marshall, Phillip John Marshall, G. Martelli, G. Martellotti, L. Martinazzoli, M. Martinelli, A. Massafferri, M. Materok, R. Matev, V. Matiunin, C. Matteuzzi, A. Mauri, E. Maurice, J. Mauricio, M. Mazurek, M. McCann, L. Mcconnell, T. H. McGrath, A. McNab, B. Meadows, G. Meier, D. Melnychuk, M. Merk, A. Merli, Dexing Miao, H. Miao, M. Mikhasenko, D. A. Milanes, Marie-Noelle Minard, A. Minotti, E. Minucci, T. Miralles, S. E. Mitchell, B. Mitreska, D. S. Mitzel, Atanu Modak, A. Mödden, R. A. Mohammed, R. D. Moise, S. Mokhnenko, T. Mombächer, Matthew David Monk, I. A. Monroy, S. Monteil, G. Morello, M. J. Morello, Maurice Pierre Morgenthaler, J. Moroń, A. B. Morris, H. Mu, Zeqing Mu, Emir Muhammad, F. Muheim, M. Mulder, Katharina Müller, F. Muñoz-Rojas, Rebecca Murta, P. Naik, T. Nakada, R. Nandakumar, I. Nasteva, M. Needham, N. Néri, S. Neubert, N. Neufeld, P. Neustroev, Ryan Newcombe, J. Nicolini, D. Nicotra, Elisabeth Maria Niel, N. Nikitin, Piet Nogga, N. S. Nolte, C. Normand, C. Nunez, Havva Hasret Nur, A. Obłąkowska-Mucha, V. Obraztsov, Τ. Oeser, S. Okamura, R. Oldeman, F. Oliva, M. Olocco, C. J. G. Onderwater, T. Ovsiannikova, P. Owen, A. Oyanguren, Ö. Özçelik, B. Pagare, P. R. Pais, T. Pajero, A. Palano, M. Palutan, G. Panshin, L. Paolucci, A. Papanestis, M. Pappagallo, C. Pappenheimer, C. Parkes, B. Passalacqua, G. Passaleva, Daniele Passaro, A. Pastore, Mitesh Patel, J. Patoc, C. Patrignani, Christopher James Pawley, Antonio Pellegrino, S. Perazzini, D. Pereima, P. Perret, Alberto Perro, K. Petridis, A. Petrolini, S. Petrucci, H. Pham, L. Pica, B. Pietrzyk, G. Pietrzyk, D. Pinci, F. Pisani, M. Pizzichemi, V. Placinta, F. Polci, A. Poluektov, N. Polukhina, I. Polyakov, E. Polycarpo, S. Ponce, D. Popov, S. Poslavskii, Kannam Sai Lakshmi Prasanth, C. Prouvé, V. Puill, G. Punzi, H. R. Qi, W. B. Qian, Ning Qin, S. Qu, R. Quagliani, B. Rachwał, Jonas Rademacker, M. Rama, M. S. Rangel, F. Ratnikov, G. Raven, F. Redi, Jake Reich, F. Reiss, Z. Ren, P. K. Resmi, R. Ribatti, Gabriel Ricart, Domenico Riccardi, Kate Abigail Richardson, Mary Richardson-Slipper, K. Rinnert, P. Robbe, G. Robertson, E. Rodrigues, A. Rogovskiy, David Leonhard Rolf, A. Rollings, P. Roloff, Gabriele Romolini, F. Ronchetti, M. Rotondo, M. S. Rudolph, Thomas Ruf, A. Ryzhikov, J. Ryżka, N. Sagidova, N. Sahoo, B. Saitta, Matteo Salomoni, Izaac Sanderswood, R. Santacesaria, M. Santimaria, Leonardo Santoro, E. Santovetti, D. Saranin, G. Sarpis, M. Sarpis, A. Sarti, C. Satriano, A. Satta, D. Savrina, H. Sazak, A. Scarabotto, S. Schael, Sigrid Scherl, Amy Marie Schertz, M. Schiller, H. Schindler, M. Schmelling, B. Schmidt, S. Schmitt, O. Schneider, A. Schopper, N. Schulte, S. Schulte, Rainer Schwemmer, Georg Schwering, B. Sciascia, Augusto Sciuccati, Sara Sellam, A. Semennikov, A. Sergi, N. Serra, L. Sestini, A. Seuthe, Yiduo Shang, Desmond Mzamo Shangase, M. Shapkin, Ivan Shchemerov, L. Shchutska, T. Shears, L. Shekhtman, Z. Shen, S. Sheng, V. Shevchenko, Boan Shi, E. B. Shields, Y. Shimizu, E. Shmanin, Roman Shorkin, J. D. Shupperd, B. G. Siddi, G. Simi, S. Simone, Minni Singla, N. Skidmore, R. Skuza, T. Skwarnicki, M. Slater, J. C. Smallwood, J. G. Smeaton, E. Smith, K. Smith, Mark Smith, A. Snoch, Michael Sokoloff, F. J. P. Soler, Anatoly Solomin, A. Solovev, Ivan Solovyev, Y. X. Song, Y. Song, Yintong Song, Eugenia Spedicato, Jannis Guido Speer, Eduard Spiridenkov, P. Spradlin, V. Sriskaran, F. Stagni, M. Stahl, S. Stahl, S. Stanislaus, Eloise Noelle Stein, O. Steinkamp, Oleg Stenyakin, H. Stevens, D. Strekalina, Yangjie Su, F. Suljik, J. Sun, L. Sun, Yipeng Sun, Paul Nathaniel Swallow, K. Świentek, Francesca Swystun, A. Szabelski, T. Szumlak, M. Szymański, Yinghua Tan, S. Taneja, M. Tat, A. Terentev, F. Teubert, E. Thomas, D. J. D. Thompson, H. Tilquin, V. Tisserand, Stephane t'Jampens, M. Tobin, L. Tomassetti, G. Tonani, X. Tong, L. Toscano, C. Trippl, G. Tuci, N. Tuning, A. Ukleja, Daniel Joachim Unverzagt, E. Ursov, A. Usachov, A. Ustyuzhanin, U. Uwer, V. Vagnoni, A. Valassi, Giovanni Valenti, M. Van Dijk, H. Van Hecke, E. van Herwijnen, R. Van Laak, M. van Veghel, S. Vecchi, J. J. Velthuis, M. Veltri, A. Venkateswaran, M. Vesterinen, Xavier Vilasís-Cardona, A. Villa, P. Vincent, Felicia Carolin Volle, V. Vorobyev, Nikolai Voropaev, K. Vos, C. Vrahas, John Walsh, Eliot Jane Walton, Guanyue Wan, Chishuai Wang, Ganrong Wang, Jialu Wang, Jianchun Wang, Jike Wang, M. Wang, N. W. Wang, Rui Wang, Xiaolin Wang, Yilong Wang, Zhenzi Wang, Z. Wang, Ziyi Wang, J. A. Ward, N. K. Watson, David Websdale, Y. Wei, B. D. C. Westhenry, Dylan Jaide White, Mark Whitehead, A. R. Wiederhold, D. Wiedner, G. Wilkinson, M. Wilkinson, I. Williams, M. Williams, Richard Morgan Williams, F. F. Wilson, W. Wiślicki, M. Witek, L. Witola, Cheuk Ping Wong, G. Wormser, S. A. Wotton, H. Wu, Jie Wu, Yanxi Wu, K. Wyllie, Shu Xian, Zhiyu Xiang, Yuehong Xie, A. Xu, Jingyi Xu, Li Xu, Liangjun Xu, Menglin Xu, Z. Xu, Zhihao Xu, Di Yang, Shuangli Yang, Xueting Yang, Y. Yang, Z. Yang, Zishuo Yang, V. Yeroshenko, H. Yin, Chenxu Yu, Jiesheng Yu, X. Yuan, E. Zaffaroni, M. Zavertyaev, M. Zdybał, M. Zeng, C. Zhang, Dongliang Zhang, Jianyu Zhang, Shulei Zhang, Shunan Zhang, Y. Zhang, Yu Zhang, Ya Zhao, A. Zharkova, A. Zhelezov, Yangheng Zheng, Tianwen Zhou, Xiaokang Zhou, Yixiong Zhou, V. Zhovkovska, Linxuan Zhu, Xianglei Zhu, Xiaoyu Zhu, Z. Zhu, В. Жуков, Jiahui Zhuo, Q. Zou, D. Zuliani, Gianluca Zunica
0Citations signalées, ce qui n’est pas une note de qualité
79Institutions déclarées
18Pays d’affiliation déclarés
Rattachement africain : it, gb, es, de, pl, se, ch, us, fr, ua, br, Soudan du Sud, cn, nl, au, co, hu, ro.
Niveau de preuve : code pays fourni par la source.
Le résumé fourni par la source
The decay-time-dependent $CP$ asymmetry in $B^0_s\\to J/\\psi(\\to \\mu^{+}\\mu^{-}) K^{+}K^{-}$ decays is measured using proton-proton collision data, corresponding to an integrated luminosity of 6 $fb^{-1}$, collected with the LHCb detector at a center-of-mass energy of 13 TeV. Using a sample of approximately 349 000 $B^{0}_{s}$ signal decays with an invariant $K^{+}K^{-}$ mass in the vicinity of the $\\phi(1020)$ resonance, the $CP$-violating phase $\\phi_s$ is measured, along with the difference in decay widths of the light and heavy mass eigenstates of the $B^0_s$-$\\bar{B}^0_s$ system, $\\Delta\\Gamma_s$, and the difference of the average $B^0_s$ and $B^0$ meson decay widths, $\\Gamma_s-\\Gamma_d$. The values obtained are $\\phi_s = \\ -0.039 \\pm 0.022 \\pm 0.006$ rad, $\\Delta\\Gamma_s = 0.0845 \\pm 0.0044 \\pm 0.0024 $ ps$^{-1}$ and $\\Gamma_s-\\Gamma_d = -0.0056 ^{+ 0.0013}_{-0.0015} \\pm 0.0014$ ps$^{-1}$, where the first uncertainty is statistical and the second systematic. These are the most precise single measurements to date and are consistent with expectations based on the Standard Model and with the previous LHCb analyses of this decay. These results are combined with previous independent LHCb measurements. The phase $\\phi_s$ is also measured independently for each polarization state of the $K^{+}K^{-}$ system and shows no evidence for polarization dependence.
Ce résumé expose les affirmations des auteurs. BNTIC ne l’interprète pas comme une validation indépendante des résultats.
Le contrôle bibliographique ouvert
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Les sujets associés
Particle physics theoretical and experimental studiesQuantum Chromodynamics and Particle InteractionsComputational Physics and Python Applications