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Aaij, R, Abdelmotteleb, ASW, Abellan Beteta, C, Abudinén, F, Ackernley, T, Adefisoye, AA, Adeva, B, Adinolfi, M, Adlarson, P, Agapopoulou, C et al (show 1133 more authors) , Aidala, CA, Ajaltouni, Z, Akar, S, Akiba, K, Albicocco, P, Albrecht, J, Alessio, F, Alexander, M, Aliouche, Z, Alvarez Cartelle, P, Amalric, R, Amato, S, Amey, JL, Amhis, Y, An, L, Anderlini, L, Andersson, M, Andreianov, A, Andreola, P, Andreotti, M, Andreou, D, Anelli, A, Ao, D, Archilli, F, Argenton, M, Arguedas Cuendis, S, Artamonov, A, Artuso, M, Aslanides, E, Ataíde Da Silva, R, Atzeni, M, Audurier, B, Bacher, D, Bachiller Perea, I, Bachmann, S, Bachmayer, M, Back, JJ, Baladron Rodriguez, P, Balagura, V, Baldini, W, Balzani, L, Bao, H, Baptista de Souza Leite, J, Barbero Pretel, C, Barbetti, M, Barbosa, IR, Barlow, RJ, Barnyakov, M, Barsuk, S, Barter, W, Bartolini, M, Bartz, J, Basels, JM, Bashir, S, Bassi, G, Batsukh, B, Battista, PB, Bay, A, Beck, A, Becker, M, Bedeschi, F, Bediaga, IB, Behling, NA, Belin, S, Bellee, V, Belous, K, Belov, I, Belyaev, I, Benane, G, Bencivenni, G, Ben-Haim, E, Berezhnoy, A, Bernet, R, Bernet Andres, S, Bertolin, A, Betancourt, C, Betti, F, Bex, J, Bezshyiko, Ia, Bhom, J, Bieker, MS, Biesuz, NV, Billoir, P, Biolchini, A, Birch, M, Bishop, FCR, Bitadze, A, Bizzeti, A, Blake, T, Blanc, F, Blank, JE, Blusk, S, Bocharnikov, V, Boelhauve, JA, Boente Garcia, O, Boettcher, T, Bohare, A, Boldyrev, A, Bolognani, CS, Bolzonella, R, Bondar, N, Bordelius, A, Borgato, F, Borghi, S, Borsato, M, Borsuk, JT, Bouchiba, SA, Bovill, M, Bowcock, TJV, Boyer, A, Bozzi, C, Brea Rodriguez, A, Breer, N, Brodzicka, J, Brossa Gonzalo, A, Brown, J, Brundu, D, Buchanan, E, Buonaura, A, Buonincontri, L, Burke, AT 
ORCID: 0000-0003-0243-0517, Burr, C, Butter, JS, Buytaert, J, Byczynski, W, Cadeddu, S, Cai, H, Caillet, AC, Calabrese, R, Calderon Ramirez, S, Calefice, L, Cali, S, Calvi, M, Calvo Gomez, M, Camargo Magalhaes, P, Cambon Bouzas, JI, Campana, P, Campora Perez, DH, Campoverde Quezada, AF, Capelli, S, Capriotti, L, Caravaca-Mora, R, Carbone, A, Carcedo Salgado, L, Cardinale, R, Cardini, A, Carniti, P, Carus, L, Casais Vidal, A, Caspary, R, Casse, G, Castro Godinez, J, Cattaneo, M, Cavallero, G, Cavallini, V, Celani, S, Cervenkov, D, Cesare, S, Chadwick, AJ, Chahrour, I, Charles, M, Charpentier, Ph, Chatzianagnostou, E, Chefdeville, M, Chen, C, Chen, S, Chen, Z, Chernov, A, Chernyshenko, S, Chiotopoulos, X, Chobanova, V, Cholak, S, Chrzaszcz, M, Chubykin, A, Chulikov, V, Ciambrone, P, Cid Vidal, X, Ciezarek, G, Cifra, P, Clarke, PEL, Clemencic, M, Cliff, HV, Closier, J, Cocha Toapaxi, C, Coco, V, Cogan, J, Cogneras, E, Cojocariu, L, Collins, P, Colombo, T, Colonna, M, Comerma-Montells, A, Congedo, L, Contu, A, Cooke, N, Corredoira, I, Correia, A, Corti, G, Cottee Meldrum, J, Couturier, B, Craik, DC, Cruz Torres, M, Curras Rivera, E, Currie, R, Da Silva, CL, Dadabaev, S, Dai, L, Dai, X, Dall’Occo, E, Dalseno, J, D’Ambrosio, C, Daniel, J, Danilina, A, d’Argent, P, Davidson, A, Davies, JE, Davis, A, De Aguiar Francisco, O, De Angelis, C, De Benedetti, F, de Boer, J, De Bruyn, K, De Capua, S, De Cian, M, De Freitas Carneiro Da Graca, U, De Lucia, E, De Miranda, JM, De Paula, L, De Serio, M, De Simone, P, De Vellis, F, de Vries, JA, Debernardis, F, Decamp, D, Dedu, V, Dekkers, S, Del Buono, L, Delaney, B, Dembinski, H-P, Deng, J, Denysenko, V, Deschamps, O, Dettori, F, Dey, B, Di Nezza, P, Diachkov, I, Didenko, S, Ding, S, Dittmann, L, Dobishuk, V, Docheva, AD, Dong, C, Donohoe, AM, Dordei, F, dos Reis, AC, Dowling, AD, Duan, W, Duda, P, Dudek, MW, Dufour, L, Duk, V, Durante, P, Duras, MM, Durham, JM, Durmus, OD, Dziurda, A, Dzyuba, A, Easo, S, Eckstein, E, Egede, U, Egorychev, A, Egorychev, V, Eisenhardt, S, Ejopu, E, Eklund, L, Elashri, M, Ellbracht, J, Ely, S, Ene, A, Epple, E, Eschle, J, Esen, S, Evans, T, Fabiano, F, Falcao, LN, Fan, Y, Fang, B, Fantini, L, Faria, M, Farmer, K, Fazzini, D, Felkowski, L, Feng, M, Feo, M, Fernandez Casani, A, Fernandez Gomez, M, Fernez, AD, Ferrari, F, Ferreira Rodrigues, F, Ferrillo, M, Ferro-Luzzi, M, Filippov, S, Fini, RA, Fiorini, M, Firlej, M, Fischer, KL, Fitzgerald, DS, Fitzpatrick, C, Fiutowski, T, Fleuret, F, Fontana, M, Foreman, LF, Forty, R, Foulds-Holt, D, Franco Lima, V, Franco Sevilla, M, Frank, M, Franzoso, E, Frau, G, Frei, C, Friday, DA, Fu, J, Führing, Q, Fujii, Y, Fulghesu, T, Gabriel, E, Galati, G, Galati, MD, Gallas Torreira, A, Galli, D, Gambetta, S, Gandelman, M, Gandini, P, Ganie, B, Gao, H, Gao, R, Gao, TQ, Gao, Y, Gao, Y, Gao, Y, Garau, M, Garcia Martin, LM, Garcia Moreno, P, García Pardiñas, J, Garg, KG, Garrido, L, Gaspar, C, Geertsema, RE, Gerken, LL, Gersabeck, E, Gersabeck, M, Gershon, T, Ghizzo, S, Ghorbanimoghaddam, Z, Giambastiani, L, Giasemis, FI, Gibson, V, Giemza, HK, Gilman, AL, Giovannetti, M, Gioventù, A, Girardey, L, Gironella Gironell, P, Giugliano, C, Giza, MA, Gkougkousis, EL, Glaser, FC, Gligorov, VV, Göbel, C, Golobardes, E, Golubkov, D, Golutvin, A, Gomez Fernandez, S, Goncalves Abrantes, F, Goncerz, M, Gong, G, Gooding, JA, Gorelov, IV, Gotti, C, Grabowski, JP, Granado Cardoso, LA, Graugés, E, Graverini, E, Grazette, L, Graziani, G, Grecu, AT, Greeven, LM, Grieser, NA, Grillo, L, Gromov, S, Gu, C, Guarise, M, Guerry, L, Guittiere, M, Guliaeva, V, Günther, PA, Guseinov, A-K, Gushchin, E, Guz, Y, Gys, T, Habermann, K, Hadavizadeh, T, Hadjivasiliou, C, Haefeli, G, Haen, C, Haimberger, J, Hajheidari, M, Hallett, G, Halvorsen, MM, Hamilton, PM, Hammerich, J ORCID: 0000-0002-5556-1775, Han, Q, Han, X, Hansmann-Menzemer, S, Hao, L, Harnew, N, Hartmann, M, Hashmi, S, He, J, Hemmer, F, Henderson, C, Henderson, RDL, Hennequin, AM, Hennessy, K ORCID: 0000-0002-1529-8087, Henry, L, Herd, J, Herrero Gascon, P, Heuel, J, Hicheur, A, Hijano Mendizabal, G, Hill, D, Hollitt, SE, Horswill, J, Hou, R, Hou, Y, Howarth, N, Hu, J, Hu, J, Hu, W, Hu, X, Huang, W, Hulsbergen, W, Hunter, RJ, Hushchyn, M, Hutchcroft, D ORCID: 0000-0002-4174-6509, Idzik, M, Ilin, D, Ilten, P, Inglessi, A, Iniukhin, A, Ishteev, A, Ivshin, K, Jacobsson, R, Jage, H, Jaimes Elles, SJ, Jakobsen, S, Jans, E, Jashal, BK, Jawahery, A, Jevtic, V, Jiang, E, Jiang, X, Jiang, Y, Jiang, YJ, John, M, John Rubesh Rajan, A, Johnson, D, Jones, CR, Jones, TP, Joshi, S, Jost, B, Juan Castella, J, Jurik, N, Juszczak, I, Kaminaris, D, Kandybei, S, Kane, M, Kang, Y, Kar, C, Karacson, M, Karpenkov, D, Kauniskangas, A, Kautz, JW, Kazanecki, MK, Keizer, F, Kenzie, M, Ketel, T, Khanji, B, Kharisova, A, Kholodenko, S, Khreich, G, Kirn, T, Kirsebom, VS, Kitouni, O, Klaver, S, Kleijne, N, Klimaszewski, K, Kmiec, MR, Koliiev, S, Kolk, L, Konoplyannikov, A, Kopciewicz, P, Koppenburg, P, Korolev, M, Kostiuk, I, Kot, O, Kotriakhova, S, Kozachuk, A, Kravchenko, P, Kravchuk, L, Kreps, M, Krokovny, P, Krupa, W, Krzemien, W, Kshyvanskyi, O, Kubis, S, Kucharczyk, M, Kudryavtsev, V, Kulikova, E, Kupsc, A, Kutsenko, BK, Lacarrere, D, Laguarta Gonzalez, P, Lai, A, Lampis, A, Lancierini, D, Landesa Gomez, C, Lane, JJ, Lane, R, Lanfranchi, G, Langenbruch, C, Langer, J, Lantwin, O, Latham, T, Lazzari, F, Lazzeroni, C, Le Gac, R, Lee, H, Lefèvre, R, Leflat, A, Legotin, S, Lehuraux, M, Lemos Cid, E, Leroy, O, Lesiak, T, Lesser, ED, Leverington, B, Li, A, Li, C, Li, H, Li, K, Li, L, Li, M, Li, P, Li, P-R, Li, Q, Li, S, Li, T, Li, T, Li, Y, Li, Y, Lian, Z, Liang, X, Libralon, S, Lin, C, Lin, T, Lindner, R, Lisovskyi, V, Litvinov, R, Liu, FL, Liu, G, Liu, K, Liu, S, Liu, W, Liu, Y, Liu, Y, Liu, YL, Lobo Salvia, A, Loi, A, Lomba Castro, J, Long, T, Lopes, JH, Lopez Huertas, A, López Soliño, S, Lu, Q, Lucarelli, C, Lucchesi, D, Lucio Martinez, M, Lukashenko, V, Luo, Y, Lupato, A, Luppi, E, Lynch, K, Lyu, X-R, Ma, GM, Ma, R, Maccolini, S, Machefert, F, Maciuc, F, Mack, B, Mackay, I, Mackey, LM, Madhan Mohan, LR, Madurai, MJ, Maevskiy, A, Magdalinski, D, Maisuzenko, D, Majewski, MW, Malczewski, JJ, Malde, S, Malentacca, L, Malinin, A, Maltsev, T, Manca, G, Mancinelli, G, Mancuso, C, Manera Escalero, R, Manuzzi, D, Marangotto, D, Marchand, JF, Marchevski, R, Marconi, U, Mariani, E, Mariani, S, Marin Benito, C, Marks, J, Marshall, AM, Martel, L, Martelli, G, Martellotti, G, Martinazzoli, L, Martinelli, M, Martinez Santos, D, Martinez Vidal, F, Massafferri, A, Matev, R, Mathad, A, Matiunin, V, Matteuzzi, C, Mattioli, KR, Mauri, A, Maurice, E, Mauricio, J, Mayencourt, P, Mazorra de Cos, J, Mazurek, M, McCann, M, Mcconnell, L, McGrath, TH, McHugh, NT, McNab, A, McNulty, R, Meadows, B, Meier, G, Melnychuk, D, Meng, FM, Merk, M, Merli, A, Meyer Garcia, L, Miao, D, Miao, H, Mikhasenko, M, Milanes, DA, Minotti, A, Minucci, E, Miralles, T, Mitreska, B, Mitzel, DS, Modak, A, Mohammed, RA, Moise, RD, Mokhnenko, S, Molina Cardenas, EF, Mombächer, T, Monk, M, Monteil, S, Morcillo Gomez, A, Morello, G, Morello, MJ, Morgenthaler, MP, Moron, J, Morris, AB, Morris, AG, Mountain, R, Mu, H, Mu, ZM, Muhammad, E, Muheim, F, Mulder, M, Müller, K, Muñoz-Rojas, F, Murta, R, Naik, P, Nakada, T, Nandakumar, R, Nanut, T, Nasteva, I, Needham, M, Neri, N, Neubert, S, Neufeld, N, Neustroev, P, Nicolini, J, Nicotra, D, Niel, EM, Nikitin, N, Niu, Q, Nogarolli, P, Nogga, P, Normand, C, Novoa Fernandez, J, Nowak, G, Nunez, C, Nur, HN, Oblakowska-Mucha, A, Obraztsov, V, Oeser, T, Okamura, S, Okhotnikov, A, Okhrimenko, O, Oldeman, R, Oliva, F, Olocco, M, Onderwater, CJG, O’Neil, RH, Osthues, D, Otalora Goicochea, JM, Owen, P, Oyanguren, A, Ozcelik, O, Paciolla, F, Padee, A, Padeken, KO, Pagare, B, Pais, PR, Pajero, T, Palano, A, Palutan, M, Panshin, G, Paolucci, L, Papanestis, A, Pappagallo, M, Pappalardo, LL, Pappenheimer, C, Parkes, C, Passalacqua, B, Passaleva, G, Passaro, D, Pastore, A, Patel, M, Patoc, J, Patrignani, C, Paul, A, Pawley, CJ, Pellegrino, A, Peng, J, Pepe Altarelli, M, Perazzini, S, Pereima, D, Pereira Da Costa, H, Pereiro Castro, A, Perret, P, Perro, A, Petridis, K, Petrolini, A, Pfaller, JP, Pham, H, Pica, L, Piccini, M, Piccolo, L, Pietrzyk, B, Pietrzyk, G, Pinci, D, Pisani, F, Pizzichemi, M, Placinta, V, Plo Casasus, M, Poeschl, T, Polci, F, Poli Lener, M, Poluektov, A, Polukhina, N, Polyakov, I, Polycarpo, E, Ponce, S, Popov, D, Poslavskii, S, Prasanth, K, Prouve, C, Provenzano, D, Pugatch, V, Punzi, G, Qasim, S, Qian, QQ, Qian, W, Qin, N, Qu, S, Quagliani, R, Rabadan Trejo, RI, Rademacker, JH, Rama, M, Ramírez García, M, Ramos De Oliveira, V, Ramos Pernas, M, Rangel, MS, Ratnikov, F, Raven, G, Rebollo De Miguel, M, Redi, F, Reich, J, Reiss, F, Ren, Z, Resmi, PK, Ribatti, R, Ricart, GR, Riccardi, D, Ricciardi, S, Richardson, K, Richardson-Slipper, M, Rinnert, K, Robbe, P, Robertson, G, Rodrigues, E, Rodriguez Fernandez, E, Rodriguez Lopez, JA, Rodriguez Rodriguez, E, Roensch, J, Rogachev, A, Rogovskiy, A, Rolf, DL, Roloff, P, Romanovskiy, V, Romero Lamas, M, Romero Vidal, A, Romolini, G, Ronchetti, F, Rong, T, Rotondo, M, Roy, SR, Rudolph, MS, Ruiz Diaz, M, Ruiz Fernandez, RA, Ruiz Vidal, J, Ryzhikov, A, Ryzka, J, Saavedra-Arias, JJ, Saborido Silva, JJ, Sadek, R, Sagidova, N, Sahoo, D, Sahoo, N, Saitta, B, Salomoni, M, Sanderswood, I, Santacesaria, R, Santamarina Rios, C, Santimaria, M, Santoro, L, Santovetti, E, Saputi, A, Saranin, D, Sarnatskiy, A, Sarpis, G, Sarpis, M, Satriano, C, Satta, A, Saur, M, Savrina, D, Sazak, H, Sborzacchi, F, Scantlebury Smead, LG, Scarabotto, A, Schael, S, Scherl, S, Schiller, M, Schindler, H, Schmelling, M, Schmidt, B, Schmitt, S, Schmitz, H, Schneider, O, Schopper, A, Schulte, N, Schulte, S, Schune, MH, Schwemmer, R, Schwering, G, Sciascia, B, Sciuccati, A, Sellam, S, Semennikov, A, Senger, T, Senghi Soares, M, Sergi, A, Serra, N, Sestini, L, Seuthe, A, Shang, Y, Shangase, DM, Shapkin, M, Sharma, RS, Shchemerov, I, Shchutska, L, Shears, T ORCID: 0000-0002-2653-1366, Shekhtman, L, Shen, Z, Sheng, S, Shevchenko, V, Shi, B, Shi, Q, Shimizu, Y, Shmanin, E, Shorkin, R, Shupperd, JD, Silva Coutinho, R, Simi, G, Simone, S, Skidmore, N, Skwarnicki, T, Slater, MW, Smallwood, JC, Smith, E, Smith, K, Smith, M, Snoch, A, Soares Lavra, L, Sokoloff, MD, Soler, FJP, Solomin, A, Solovev, A, Solovyev, I, Song, R, Song, Y, Song, Y, Song, YS, Souza De Almeida, FL, Souza De Paula, B, Spadaro Norella, E, Spedicato, E, Speer, JG, Spiridenkov, E, Spradlin, P, Sriskaran, V, Stagni, F, Stahl, M, Stahl, S, Stanislaus, S, Stein, EN, Steinkamp, O, Stenyakin, O, Stevens, H, Strekalina, D, Su, Y, Suljik, F, Sun, J, Sun, L, Sun, Y, Sundfeld, D, Sutcliffe, W, Swallow, PN, Swientek, K, Swystun, F, Szabelski, A, Szumlak, T, Tan, Y, Tat, MD, Terentev, A, Terzuoli, F, Teubert, F, Thomas, E, Thompson, DJD, Tilquin, H, Tisserand, V, T’Jampens, S, Tobin, M, Tomassetti, L, Tonani, G, Tong, X, Torres Machado, D, Toscano, L, Tou, DY, Trippl, C, Tuci, G, Tuning, N, Uecker, LH, Ukleja, A, Unverzagt, DJ, Ursov, E, Usachov, A, Ustyuzhanin, A, Uwer, U, Vagnoni, V, Valcarce Cadenas, V, Valenti, G, Valls Canudas, N, Van Hecke, H, van Herwijnen, E, Van Hulse, CB, Van Laak, R, van Veghel, M, Vasquez, G, Vazquez Gomez, R, Vazquez Regueiro, P, Vázquez Sierra, C, Vecchi, S, Velthuis, JJ, Veltri, M, Venkateswaran, A, Verdoglia, M, Vesterinen, M, Vico Benet, D, Vidrier Villalba, P, Vieites Diaz, M, Vilasis-Cardona, X, Vilella Figueras, E, Villa, A, Vincent, P, Volle, FC, vom Bruch, D, Voropaev, N, Vos, K, Vouters, G, Vrahas, C, Wagner, J, Walsh, J, Walton, EJ, Wan, G, Wang, C, Wang, G, Wang, H, Wang, J, Wang, J, Wang, J, Wang, J, Wang, M, Wang, NW, Wang, R, Wang, X, Wang, X, Wang, XW, Wang, Y, Wang, YW, Wang, Z, Wang, Z, Wang, Z, Ward, JA, Waterlaat, M, Watson, NK, Websdale, D, Wei, Y, Wendel, J, Westhenry, BDC, White, C, Whitehead, M, Whiter, E, Wiederhold, AR, Wiedner, D, Wilkinson, G, Wilkinson, MK, Williams, M, Williams, MRJ, Williams, R, Williams, Z, Wilson, FF, Winn, M, Wislicki, W, Witek, M, Witola, L, Wormser, G, Wotton, SA, Wu, H, Wu, J, Wu, Y, Wu, Z, Wyllie, K, Xian, S, Xiang, Z, Xie, Y, Xu, A, Xu, J, Xu, L, Xu, L, Xu, M, Xu, Z, Xu, Z, Xu, Z, Yang, D, Yang, K, Yang, S, Yang, X, Yang, Y, Yang, Z, Yang, Z, Yeroshenko, V, Yeung, H, Yin, H, Yin, X, Yu, CY, Yu, J, Yuan, X, Yuan, Y, Zaffaroni, E, Zavertyaev, M, Zdybal, M, Zenesini, F, Zeng, C, Zeng, M, Zhang, C, Zhang, D, Zhang, J, Zhang, L, Zhang, S, Zhang, S, Zhang, Y, Zhang, YZ, Zhao, Y, Zharkova, A, Zhelezov, A, Zheng, SZ, Zheng, XZ, Zheng, Y, Zhou, T, Zhou, X, Zhou, Y, Zhovkovska, V, Zhu, LZ, Zhu, X, Zhu, X, Zhukov, V, Zhuo, J, Zou, Q, Zuliani, D and Zunica, G
(2025)
Measurement of CP violation in B0 → D+D− and $$ {\textrm{B}}_{\textrm{s}}^0 $$ → $$ {\textrm{D}}_{\textrm{s}}^{+}{\textrm{D}}_{\textrm{s}}^{-} $$ decays.
Journal of High Energy Physics, 2025 (1).
61-.
ISSN 1126-6708, 1029-8479
Access the full-text of this item by clicking on the
Open Access link.
Abstract
<jats:title>A<jats:sc>bstract</jats:sc>
</jats:title>
<jats:p>A time-dependent, flavour-tagged measurement of <jats:italic>CP</jats:italic> violation is performed with <jats:italic>B</jats:italic>
<jats:sup>0</jats:sup>
<jats:italic>→ D</jats:italic>
<jats:sup>+</jats:sup>
<jats:italic>D</jats:italic>
<jats:sup>
<jats:italic>−</jats:italic>
</jats:sup> and <jats:inline-formula>
<jats:alternatives>
<jats:tex-math>$$ {B}_s^0 $$</jats:tex-math>
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML">
<mml:msubsup>
<mml:mi>B</mml:mi>
<mml:mi>s</mml:mi>
<mml:mn>0</mml:mn>
</mml:msubsup>
</mml:math>
</jats:alternatives>
</jats:inline-formula>
<jats:italic>→</jats:italic>
<jats:inline-formula>
<jats:alternatives>
<jats:tex-math>$$ {D}_s^{+}{D}_s^{-} $$</jats:tex-math>
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML">
<mml:msubsup>
<mml:mi>D</mml:mi>
<mml:mi>s</mml:mi>
<mml:mo>+</mml:mo>
</mml:msubsup>
<mml:msubsup>
<mml:mi>D</mml:mi>
<mml:mi>s</mml:mi>
<mml:mo>−</mml:mo>
</mml:msubsup>
</mml:math>
</jats:alternatives>
</jats:inline-formula> decays, using data collected by the LHCb detector in proton-proton collisions at a centre-of-mass energy of 13 TeV corresponding to an integrated luminosity of 6 fb<jats:sup>
<jats:italic>−</jats:italic>1</jats:sup>. In <jats:italic>B</jats:italic>
<jats:sup>0</jats:sup>
<jats:italic>→ D</jats:italic>
<jats:sup>+</jats:sup>
<jats:italic>D</jats:italic>
<jats:sup>
<jats:italic>−</jats:italic>
</jats:sup> decays the <jats:italic>CP</jats:italic>-violation parameters are measured to be<jats:disp-formula>
<jats:alternatives>
<jats:tex-math>$$ {\displaystyle \begin{array}{c}{S}_{D^{+}{D}^{-}}=-0.552\pm 0.100\left(\textrm{stat}\right)\pm 0.010\left(\textrm{syst}\right),\\ {}{C}_{D^{+}{D}^{-}}=0.128\pm 0.103\left(\textrm{stat}\right)\pm 0.010\left(\textrm{syst}\right).\end{array}} $$</jats:tex-math>
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML">
<mml:mtable>
<mml:mtr>
<mml:mtd>
<mml:msub>
<mml:mi>S</mml:mi>
<mml:mrow>
<mml:msup>
<mml:mi>D</mml:mi>
<mml:mo>+</mml:mo>
</mml:msup>
<mml:msup>
<mml:mi>D</mml:mi>
<mml:mo>−</mml:mo>
</mml:msup>
</mml:mrow>
</mml:msub>
<mml:mo>=</mml:mo>
<mml:mo>−</mml:mo>
<mml:mn>0.552</mml:mn>
<mml:mo>±</mml:mo>
<mml:mn>0.100</mml:mn>
<mml:mfenced>
<mml:mtext>stat</mml:mtext>
</mml:mfenced>
<mml:mo>±</mml:mo>
<mml:mn>0.010</mml:mn>
<mml:mfenced>
<mml:mtext>syst</mml:mtext>
</mml:mfenced>
<mml:mo>,</mml:mo>
</mml:mtd>
</mml:mtr>
<mml:mtr>
<mml:mtd>
<mml:msub>
<mml:mi>C</mml:mi>
<mml:mrow>
<mml:msup>
<mml:mi>D</mml:mi>
<mml:mo>+</mml:mo>
</mml:msup>
<mml:msup>
<mml:mi>D</mml:mi>
<mml:mo>−</mml:mo>
</mml:msup>
</mml:mrow>
</mml:msub>
<mml:mo>=</mml:mo>
<mml:mn>0.128</mml:mn>
<mml:mo>±</mml:mo>
<mml:mn>0.103</mml:mn>
<mml:mfenced>
<mml:mtext>stat</mml:mtext>
</mml:mfenced>
<mml:mo>±</mml:mo>
<mml:mn>0.010</mml:mn>
<mml:mfenced>
<mml:mtext>syst</mml:mtext>
</mml:mfenced>
<mml:mo>.</mml:mo>
</mml:mtd>
</mml:mtr>
</mml:mtable>
</mml:math>
</jats:alternatives>
</jats:disp-formula>
</jats:p>
<jats:p>In <jats:inline-formula>
<jats:alternatives>
<jats:tex-math>$$ {B}_s^0 $$</jats:tex-math>
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML">
<mml:msubsup>
<mml:mi>B</mml:mi>
<mml:mi>s</mml:mi>
<mml:mn>0</mml:mn>
</mml:msubsup>
</mml:math>
</jats:alternatives>
</jats:inline-formula>
<jats:italic>→</jats:italic>
<jats:inline-formula>
<jats:alternatives>
<jats:tex-math>$$ {D}_s^{+}{D}_s^{-} $$</jats:tex-math>
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML">
<mml:msubsup>
<mml:mi>D</mml:mi>
<mml:mi>s</mml:mi>
<mml:mo>+</mml:mo>
</mml:msubsup>
<mml:msubsup>
<mml:mi>D</mml:mi>
<mml:mi>s</mml:mi>
<mml:mo>−</mml:mo>
</mml:msubsup>
</mml:math>
</jats:alternatives>
</jats:inline-formula> decays the <jats:italic>CP</jats:italic>-violating parameter formulation in terms of <jats:italic>ϕ</jats:italic>
<jats:sub>
<jats:italic>s</jats:italic>
</jats:sub> and <jats:italic>|λ|</jats:italic> results in<jats:disp-formula>
<jats:alternatives>
<jats:tex-math>$$ {\displaystyle \begin{array}{c}{\phi}_s=-0.086\pm 0.106\left(\textrm{stat}\right)\pm 0.028\left(\textrm{syst}\right)\textrm{rad},\\ {}\mid {\lambda}_{D_s^{+}{D}_s^{-}}\mid =1.145\pm 0.126\left(\textrm{stat}\right)\pm 0.031\left(\textrm{syst}\right).\end{array}} $$</jats:tex-math>
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML">
<mml:mtable>
<mml:mtr>
<mml:mtd>
<mml:msub>
<mml:mi>ϕ</mml:mi>
<mml:mi>s</mml:mi>
</mml:msub>
<mml:mo>=</mml:mo>
<mml:mo>−</mml:mo>
<mml:mn>0.086</mml:mn>
<mml:mo>±</mml:mo>
<mml:mn>0.106</mml:mn>
<mml:mfenced>
<mml:mtext>stat</mml:mtext>
</mml:mfenced>
<mml:mo>±</mml:mo>
<mml:mn>0.028</mml:mn>
<mml:mfenced>
<mml:mtext>syst</mml:mtext>
</mml:mfenced>
<mml:mi>rad</mml:mi>
<mml:mo>,</mml:mo>
</mml:mtd>
</mml:mtr>
<mml:mtr>
<mml:mtd>
<mml:mo>∣</mml:mo>
<mml:msub>
<mml:mi>λ</mml:mi>
<mml:mrow>
<mml:msubsup>
<mml:mi>D</mml:mi>
<mml:mi>s</mml:mi>
<mml:mo>+</mml:mo>
</mml:msubsup>
<mml:msubsup>
<mml:mi>D</mml:mi>
<mml:mi>s</mml:mi>
<mml:mo>−</mml:mo>
</mml:msubsup>
</mml:mrow>
</mml:msub>
<mml:mo>∣</mml:mo>
<mml:mo>=</mml:mo>
<mml:mn>1.145</mml:mn>
<mml:mo>±</mml:mo>
<mml:mn>0.126</mml:mn>
<mml:mfenced>
<mml:mtext>stat</mml:mtext>
</mml:mfenced>
<mml:mo>±</mml:mo>
<mml:mn>0.031</mml:mn>
<mml:mfenced>
<mml:mtext>syst</mml:mtext>
</mml:mfenced>
<mml:mo>.</mml:mo>
</mml:mtd>
</mml:mtr>
</mml:mtable>
</mml:math>
</jats:alternatives>
</jats:disp-formula>
</jats:p>
<jats:p>These results represent the most precise single measurement of the <jats:italic>CP</jats:italic>-violation parameters in their respective channels. For the first time in a single measurement, <jats:italic>CP</jats:italic> symmetry is observed to be violated in <jats:italic>B</jats:italic>
<jats:sup>0</jats:sup>
<jats:italic>→ D</jats:italic>
<jats:sup>+</jats:sup>
<jats:italic>D</jats:italic>
<jats:sup>
<jats:italic>−</jats:italic>
</jats:sup> decays with a significance exceeding six standard deviations.</jats:p>
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