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Aaij, R, Abdelmotteleb, ASW, Abellan Beteta, C, Abudinén, F, Ackernley, T, Adeva, B, Adinolfi, M, Adlarson, P, Afsharnia, H, Agapopoulou, C et al (show 1063 more authors) , Aidala, CA, Aiola, S, Ajaltouni, Z, Akar, S, Akiba, K, Albrecht, J, Alessio, F, Alexander, M, Alfonso Albero, A, Aliouche, Z, Alvarez Cartelle, P, Amalric, R, Amato, S, Amey, JL, Amhis, Y, An, L, Anderlini, L, Andersson, M, Andreianov, A, Andreotti, M, Andreou, D, Ao, D, Archilli, F, Artamonov, A, Artuso, M, Aslanides, E, Atzeni, M, Audurier, B, Bachmann, S, Bachmayer, M, Back, JJ, Bailly-reyre, A, Baladron Rodriguez, P, Balagura, V, Baldini, W, Baptista de Souza Leite, J, Barbetti, M, Barlow, RJ, Barsuk, S, Barter, W, Bartolini, M, Baryshnikov, F, Basels, JM, Bassi, G, Batsukh, B, Battig, A, Bay, A, Beck, A, Becker, M, Bedeschi, F, Bediaga, IB, Beiter, A, Belavin, V, Belin, S, Bellee, V, Belous, K, Belov, I, Belyaev, I, Benane, G, Bencivenni, G, Ben-Haim, E, Berezhnoy, A, Bernet, R, Bernet Andres, S, Berninghoff, D, Bernstein, HC, Bertella, C, Bertolin, A, Betancourt, C, Betti, F, Bezshyiko, Ia, Bhasin, S, Bhom, J, Bian, L, Bieker, MS, Biesuz, NV, Bifani, S, Billoir, P, Biolchini, A, Birch, M, Bishop, FCR, Bitadze, A, Bizzeti, A, Blago, MP, Blake, T, Blanc, F, Blusk, S, Bobulska, D, Boelhauve, JA, Boente Garcia, O, Boettcher, T, Boldyrev, A, Bolognani, CS, Bolzonella, R, Bondar, N, Borgato, F, Borghi, S, Borsato, M, Borsuk, JT, Bouchiba, SA, Bowcock, TJV 
ORCID: 0000-0002-3505-6915, Boyer, A, Bozzi, C, Bradley, MJ, Braun, S, Brea Rodriguez, A, Brodzicka, J, Brossa Gonzalo, A, Brown, J, Brundu, D, Buonaura, A, Buonincontri, L, Burke, AT, Burr, C, Bursche, A, Butkevich, A, Butter, JS, Buytaert, J, Byczynski, W, Cadeddu, S, Cai, H, Calabrese, R, Calefice, L, Cali, S, Calladine, R, Calvi, M, Calvo Gomez, M, Campana, P, Campora Perez, DH, Campoverde Quezada, AF, Capelli, S, Capriotti, L, Carbone, A, Carboni, G, Cardinale, R, Cardini, A, Carli, I, Carniti, P, Carus, L, Casais Vidal, A, Caspary, R, Casse, G, Cattaneo, M, Cavallero, G, Cavallini, V, Celani, S, Cerasoli, J, Cervenkov, D, Chadwick, AJ, Chapman, MG, Charles, M, Charpentier, Ph, Chavez Barajas, CA, Chefdeville, M, Chen, C, Chen, S, Chernov, A, Chernyshenko, S, Chobanova, V, Cholak, S, Chrzaszcz, M, Chubykin, A, Chulikov, V, Ciambrone, P, Cicala, MF, Cid Vidal, X, Ciezarek, G, Ciullo, G, Clarke, PEL, Clemencic, M, Cliff, HV, Closier, J, Cobbledick, JL, Coco, V, Coelho, JAB, Cogan, J, Cogneras, E, Cojocariu, L, Collins, P, Colombo, T, Congedo, L, Contu, A, Cooke, N, Corredoira, I, Corti, G, Couturier, B, Craik, DC, Crkovská, J, Cruz Torres, M, 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, Davies, JE, Davis, A, De Aguiar Francisco, O, 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, D, De Simone, P, De Vellis, F, de Vries, JA, Dean, CT, Debernardis, F, Decamp, D, Dedu, V, Del Buono, L, Delaney, B, Dembinski, H-P, Denysenko, V, Deschamps, O, Dettori, F, Dey, B, Di Cicco, A, Di Nezza, P, Diachkov, I, Didenko, S, Dieste Maronas, L, Ding, S, Dobishuk, V, Dolmatov, A, Dong, C, Donohoe, AM, Dordei, F, dos Reis, AC, Douglas, L, Downes, AG, Duda, P, Dudek, MW, Dufour, L, Duk, V, Durante, P, Duras, MM, Durham, JM, Dutta, D, Dziurda, A, Dzyuba, A, Easo, S, Egede, U, Egorychev, V, Eidelman, S, Eirea Orro, C, Eisenhardt, S, Ejopu, E, Ek-In, S, Eklund, L, Ely, S, Ene, A, Epple, E, Escher, S, Eschle, J, Esen, S, Evans, T, Fabiano, F, Falcao, LN, Fan, Y, Fang, B, Fantini, L, Faria, M, Farry, S, Fazzini, D, Felkowski, LF, Feo, M, Fernandez Gomez, M, Fernez, AD, Ferrari, F, Ferreira Lopes, L, Ferreira Rodrigues, F, Ferreres Sole, S, Ferrillo, M, Ferro-Luzzi, M, Filippov, S, Fini, RA, Fiorini, M, Firlej, M, Fischer, KM, Fitzgerald, DS, Fitzpatrick, C, Fiutowski, T, Fleuret, F, Fontana, M, Fontanelli, F, Forty, R, Foulds-Holt, D, Franco Lima, V, Franco Sevilla, M, Frank, M, Franzoso, E, Frau, G, Frei, C, Friday, DA, Fu, J, Fuehring, Q, Fulghesu, T, Gabriel, E, Galati, G, Galati, MD, Gallas Torreira, A, Galli, D, Gambetta, S, Gan, Y, Gandelman, M, Gandini, P, Gao, Y, Garau, M, Garcia Martin, LM, Garcia Moreno, P, García Pardiñas, J, Garcia Plana, B, Garcia Rosales, FA, Garrido, L, Gaspar, C, Geertsema, RE, Gerick, D, Gerken, LL, Gersabeck, E, Gersabeck, M, Gershon, T, Giambastiani, L, Gibson, V, Giemza, HK, Gilman, AL, Giovannetti, M, Gioventù, A, Gironella Gironell, P, Giugliano, C, Giza, MA, Gizdov, K, Gkougkousis, EL, Gligorov, VV, Göbel, C, Golobardes, E, Golubkov, D, Golutvin, A, Gomes, A, Gomez Fernandez, S, Goncalves Abrantes, F, Goncerz, M, Gong, G, Gorelov, IV, Gotti, C, Grabowski, JP, Grammatico, T, Granado Cardoso, LA, Graugés, E, Graverini, E, Graziani, G, Grecu, AT, Greeven, LM, Grieser, NA, Grillo, L, Gromov, S, Gruberg Cazon, BR, Gu, C, Guarise, M, Guittiere, M, Günther, PA, Gushchin, E, Guth, A, Guz, Y, Gys, T, Hadavizadeh, T, Haefeli, G, Haen, C, Haimberger, J, Haines, SC, Halewood-leagas, T, Halvorsen, MM, Hamilton, PM, Hammerich, J ORCID: 0000-0002-5556-1775, Han, Q, Han, X, Hansen, EB, Hansmann-Menzemer, S, Hao, L, Harnew, N, Harrison, T, Hasse, C, Hatch, M, He, J, Heijhoff, K, Heinicke, K, Henderson, C, Henderson, RDL, Hennequin, AM, Hennessy, K ORCID: 0000-0002-1529-8087, Henry, L, Herd, J, Heuel, J, Hicheur, A, Hill, D, Hilton, M, Hollitt, SE, Horswill, J, Hou, R, Hou, Y, Hu, J, Hu, J, Hu, W, Hu, X, Huang, W, Huang, X, Hulsbergen, W, Hunter, RJ, Hushchyn, M, Hutchcroft, D ORCID: 0000-0002-4174-6509, Ibis, P, 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, John, M, Johnson, D, Jones, CR, Jones, TP, Jost, B, Jurik, N, Juszczak, I, Kandybei, S, Kang, Y, Karacson, M, Karpenkov, D, Karpov, M, Kautz, JW, Keizer, F, Keller, DM, 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, Kondybayeva, A, Konoplyannikov, A, Kopciewicz, P, Kopecna, R, Koppenburg, P, Korolev, M, Kostiuk, I, Kot, O, Kotriakhova, S, Kozachuk, A, Kravchenko, P, Kravchuk, L, Krawczyk, RD, Kreps, M, Kretzschmar, S, Krokovny, P, Krupa, W, Krzemien, W, Kubat, J, Kubis, S, Kucewicz, W, Kucharczyk, M, Kudryavtsev, V, Kunde, GJ, Kupsc, A, Lacarrere, D, Lafferty, G, 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, Lazzaroni, M, Le Gac, R, Lee, SH, Lefèvre, R, Leflat, A, Legotin, S, Lenisa, P, Leroy, O, Lesiak, T, Leverington, B, Li, A, Li, H, Li, K, Li, P, Li, P-R, Li, S, Li, T, Li, Y, Li, Z, Liang, X, Lin, C, Lin, T, Lindner, R, Lisovskyi, V, Litvinov, R, Liu, G, Liu, H, Liu, Q, Liu, S, Lobo Salvia, A, Loi, A, Lollini, R, Lomba Castro, J, Longstaff, I, Lopes, JH, Lopez Huertas, A, López Soliño, S, Lovell, GH, Lu, Y, Lucarelli, C, Lucchesi, D, Luchuk, S, Lucio Martinez, M, Lukashenko, V, Luo, Y, Lupato, A, Luppi, E, Lusiani, A, Lynch, K, Lyu, X-R, Ma, L, Ma, R, Maccolini, S, Machefert, F, Maciuc, F, Mackay, I, Macko, V, Mackowiak, P, Madhan Mohan, LR, Maevskiy, A, Maisuzenko, D, Majewski, MW, Malczewski, JJ, Malde, S, Malecki, B, Malinin, A, Maltsev, T, Manca, G, Mancinelli, G, Mancuso, C, Manuzzi, D, Manzari, CA, Marangotto, D, Marchand, JF, Marconi, U, Mariani, S, Marin Benito, C, Marks, J, Marshall, AM, Marshall, PJ, Martelli, G, Martellotti, G, Martinazzoli, L, Martinelli, M, Martinez Santos, D, Martinez Vidal, F, Massafferri, A, Materok, M, Matev, R, Mathad, A, Matiunin, V, Matteuzzi, C, Mattioli, KR, Mauri, A, Maurice, E, Mauricio, J, Mazurek, M, McCann, M, Mcconnell, L, McGrath, TH, McHugh, NT, McNab, A, McNulty, R, Mead, JV, Meadows, B, Meier, G, Melnychuk, D, Meloni, S, Merk, M, Merli, A, Meyer Garcia, L, Miao, D, Mikhasenko, M, Milanes, DA, Millard, E, Milovanovic, M, Minard, M-N, Minotti, A, Miralles, T, Mitchell, SE, Mitreska, B, Mitzel, DS, Mödden, A, Mohammed, RA, Moise, RD, Mokhnenko, S, Mombächer, T, Monk, M, Monroy, IA, Monteil, S, Morandin, M, Morello, G, Morello, MJ, Moron, J, Morris, AB, Morris, AG, Mountain, R, Mu, H, Muhammad, E, Muheim, F, Mulder, M, Müller, K, Murphy, CH, Murray, D, Murta, R, Muzzetto, P, Naik, P, Nakada, T, Nandakumar, R, Nanut, T, Nasteva, I, Needham, M, Neri, N, Neubert, S, Neufeld, N, Neustroev, P, Newcombe, R, Nicolini, J, Niel, EM, Nieswand, S, Nikitin, N, Nolte, NS, Normand, C, Novoa Fernandez, J, Nunez, C, Oblakowska-Mucha, A, Obraztsov, V, Oeser, T, O’Hanlon, DP, Okamura, S, Oldeman, R, Oliva, F, Onderwater, CJG, O’Neil, RH, Otalora Goicochea, JM, Ovsiannikova, T, Owen, P, Oyanguren, A, Ozcelik, O, Padeken, KO, Pagare, B, Pais, PR, Pajero, T, Palano, A, Palutan, M, Pan, Y, Panshin, G, Paolucci, L, Papanestis, A, Pappagallo, M, Pappalardo, LL, Pappenheimer, C, Parker, W, Parkes, C, Passalacqua, B, Passaleva, G, Pastore, A, Patel, M, Patrignani, C, Pawley, CJ, Pearce, A, Pellegrino, A, Pepe Altarelli, M, Perazzini, S, Pereima, D, Pereiro Castro, A, Perret, P, Petric, M, Petridis, K, Petrolini, A, Petrov, A, Petrucci, S, Petruzzo, M, Pham, H, Philippov, A, Piandani, R, Pica, L, Piccini, M, Pietrzyk, B, Pietrzyk, G, Pili, M, Pinci, D, Pisani, F, Pizzichemi, M, Placinta, V, Plews, J, Plo Casasus, M, Polci, F, Poli Lener, M, Poliakova, M, Poluektov, A, Polukhina, N, Polyakov, I, Polycarpo, E, Ponce, S, Popov, D, Popov, S, Poslavskii, S, Prasanth, K, Promberger, L, Prouve, C, Pugatch, V, Puill, V, Punzi, G, Qi, HR, Qian, W, Qin, N, Qu, S, Quagliani, R, Raab, NV, Rabadan Trejo, RI, Rachwal, B, Rademacker, JH, Rajagopalan, R, Rama, M, Ramos Pernas, M, Rangel, MS, Ratnikov, F, Raven, G, Rebollo De Miguel, M, Redi, F, Reich, J, Reiss, F, Remon Alepuz, C, Ren, Z, Resmi, PK, Ribatti, R, Ricci, AM, Ricciardi, S, Richardson, K, Richardson-Slipper, M, Rinnert, K, Robbe, P, Robertson, G, Rodrigues, AB, Rodrigues, E, Rodriguez Fernandez, E, Rodriguez Lopez, JA, Rodriguez Rodriguez, E, Rolf, DL, Rollings, A, Roloff, P, Romanovskiy, V, Romero Lamas, M, Romero Vidal, A, Roth, JD, Rotondo, M, Rudolph, MS, Ruf, T, Ruiz Fernandez, RA, Ruiz Vidal, J, Ryzhikov, A, Ryzka, J, Saborido Silva, JJ, Sagidova, N, Sahoo, N, Saitta, B, Salomoni, M, Sanchez Gras, C, Sanderswood, I, Santacesaria, R, Santamarina Rios, C, Santimaria, M, Santovetti, E, Saranin, D, Sarpis, G, Sarpis, M, Sarti, A, Satriano, C, Satta, A, Saur, M, Savrina, D, Sazak, H, Scantlebury Smead, LG, Scarabotto, A, Schael, S, Scherl, S ORCID: 0000-0003-0528-2724, Schiller, M, Schindler, H, Schmelling, M, Schmidt, B, Schmitt, S, Schneider, O, Schopper, A, Schubiger, M, Schulte, S, Schune, MH, Schwemmer, R, Sciascia, B, Sciuccati, A, Sellam, S, Semennikov, A, Senghi Soares, M, Sergi, A, Serra, N, Sestini, L, Seuthe, A, Shang, Y, Shangase, DM, Shapkin, M, Shchemerov, I, Shchutska, L, Shears, T ORCID: 0000-0002-2653-1366, Shekhtman, L, Shen, Z, Sheng, S, Shevchenko, V, Shi, B, Shields, EB, Shimizu, Y, Shmanin, E, Shorkin, R, Shupperd, JD, Siddi, BG, Silva Coutinho, R, Simi, G, Simone, S, Singla, M, Skidmore, N, Skuza, R, Skwarnicki, T, Slater, MW, Smallwood, JC, Smeaton, JG, Smith, E, Smith, K, Smith, M, Snoch, A, Soares Lavra, L, Sokoloff, MD, Soler, FJP, Solomin, A, Solovev, A, Solovyev, I, Song, R, Souza De Almeida, FL, Souza De Paula, B, Spaan, B, Spadaro Norella, E, Spedicato, E, Spiridenkov, E, Spradlin, P, Sriskaran, V, Stagni, F, Stahl, M, Stahl, S, Stanislaus, S, Stein, EN, Steinkamp, O, Stenyakin, O, Stevens, H, Stone, S, Strekalina, D, Suljik, F, Sun, J, Sun, L, Sun, Y, Svihra, P, Swallow, PN, Swientek, K, Szabelski, A, Szumlak, T, Szymanski, M, Tan, Y, Taneja, S, Tanner, AR, Tat, MD, Terentev, A, Teubert, F, Thomas, E, Thompson, DJD, Thomson, KA, Tilquin, H, Tisserand, V, T’Jampens, S, Tobin, M, Tomassetti, L, Tonani, G, Tong, X, Torres Machado, D, Tou, DY, Trifonova, E, Trilov, SM, Trippl, C, Tuci, G, Tully, A, Tuning, N, Ukleja, A, Unverzagt, DJ, Ursov, E, Usachov, A, Ustyuzhanin, A, Uwer, U, Vagner, A, Vagnoni, V, Valassi, A, Valenti, G, Valls Canudas, N, van Beuzekom, M, Van Dijk, M, Van Hecke, H, van Herwijnen, E, Van Hulse, CB, van Veghel, M, Vazquez Gomez, R, Vazquez Regueiro, P, Vázquez Sierra, C, Vecchi, S, Velthuis, JJ, Veltri, M, Venkateswaran, A, Veronesi, M, Vesterinen, M, Vieira, D, Vieites Diaz, M, Vilasis-Cardona, X, Vilella Figueras, E, Villa, A, Vincent, P, Volle, FC, Bruch, D vom, Vorobyev, A, Vorobyev, V, Voropaev, N, Vos, K, Vrahas, C, Waldi, R, Walsh, J, Wan, G, Wang, C, Wang, J, Wang, J, Wang, J, Wang, J, Wang, M, Wang, R, Wang, X, Wang, Y, Wang, Z, Wang, Z, Wang, Z, Ward, JA, Watson, NK, Websdale, D, Wei, Y, Weisser, C, Westhenry, BDC, White, DJ, Whitehead, M, Wiederhold, AR, Wiedner, D, Wilkinson, G, Wilkinson, MK, Williams, I, Williams, M, Williams, MRJ, Williams, R, Wilson, FF, Wislicki, W, Witek, M, Witola, L, Wong, CP, Wormser, G, Wotton, SA, Wu, H, Wyllie, K, Xiang, Z, Xiao, D, Xie, Y, Xu, A, Xu, J, Xu, L, Xu, L, Xu, M, Xu, Q, Xu, Z, Xu, Z, Yang, D, Yang, S, Yang, X, Yang, Y, Yang, Z, Yang, Z, Yeomans, LE, Yeroshenko, V, Yeung, H, Yin, H, Yu, J, Yuan, X, Zaffaroni, E, Zavertyaev, M, Zdybal, M, Zenaiev, O, Zeng, M, Zhang, C, Zhang, D, Zhang, L, Zhang, S, Zhang, S, Zhang, Y, Zhang, Y, Zharkova, A, Zhelezov, A, Zheng, Y, Zhou, T, Zhou, X, Zhou, Y, Zhovkovska, V, Zhu, X, Zhu, X, Zhu, Z, Zhukov, V, Zou, Q, Zucchelli, S, Zuliani, D and Zunica, G
(2023)
Observation of the $$ {B}_s^0 $$ → D*+D*− decay.
Journal of High Energy Physics, 2023 (7).
119-.
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Abstract
<jats:title>A<jats:sc>bstract</jats:sc>
</jats:title><jats:p>The first observation of the <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>→ D</jats:italic><jats:sup>∗+</jats:sup><jats:italic>D</jats:italic><jats:sup>∗<jats:italic>−</jats:italic></jats:sup> decay and the measurement of its branching ratio relative to the <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> decay are presented. The data sample used corresponds to an integrated luminosity of 9 fb<jats:sup><jats:italic>−</jats:italic>1</jats:sup> of proton-proton collisions recorded by the LHCb experiment at centre-of-mass energies of 7, 8 and 13 TeV between 2011 and 2018. The decay is observed with more than 10 standard deviations and the time-integrated ratio of branching fractions is determined to be<jats:disp-formula><jats:alternatives><jats:tex-math>$$ \frac{\mathcal{B}\left({B}_s^0\to {D}^{\ast +}{D}^{\ast -}\right)}{\mathcal{B}\left({B}^0\to {D}^{\ast +}{D}^{\ast -}\right)}=0.269\pm 0.032\pm 0.011\pm 0.008, $$</jats:tex-math><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML">
<mml:mfrac>
<mml:mrow>
<mml:mi>B</mml:mi>
<mml:mfenced>
<mml:mrow>
<mml:msubsup>
<mml:mi>B</mml:mi>
<mml:mi>s</mml:mi>
<mml:mn>0</mml:mn>
</mml:msubsup>
<mml:mo>→</mml:mo>
<mml:msup>
<mml:mi>D</mml:mi>
<mml:mrow>
<mml:mo>∗</mml:mo>
<mml:mo>+</mml:mo>
</mml:mrow>
</mml:msup>
<mml:msup>
<mml:mi>D</mml:mi>
<mml:mrow>
<mml:mo>∗</mml:mo>
<mml:mo>−</mml:mo>
</mml:mrow>
</mml:msup>
</mml:mrow>
</mml:mfenced>
</mml:mrow>
<mml:mrow>
<mml:mi>B</mml:mi>
<mml:mfenced>
<mml:mrow>
<mml:msup>
<mml:mi>B</mml:mi>
<mml:mn>0</mml:mn>
</mml:msup>
<mml:mo>→</mml:mo>
<mml:msup>
<mml:mi>D</mml:mi>
<mml:mrow>
<mml:mo>∗</mml:mo>
<mml:mo>+</mml:mo>
</mml:mrow>
</mml:msup>
<mml:msup>
<mml:mi>D</mml:mi>
<mml:mrow>
<mml:mo>∗</mml:mo>
<mml:mo>−</mml:mo>
</mml:mrow>
</mml:msup>
</mml:mrow>
</mml:mfenced>
</mml:mrow>
</mml:mfrac>
<mml:mo>=</mml:mo>
<mml:mn>0.269</mml:mn>
<mml:mo>±</mml:mo>
<mml:mn>0.032</mml:mn>
<mml:mo>±</mml:mo>
<mml:mn>0.011</mml:mn>
<mml:mo>±</mml:mo>
<mml:mn>0.008</mml:mn>
<mml:mo>,</mml:mo>
</mml:math></jats:alternatives></jats:disp-formula></jats:p><jats:p>where the first uncertainty is statistical, the second systematic and the third due to the uncertainty of the fragmentation fraction ratio <jats:italic>f</jats:italic><jats:sub><jats:italic>s</jats:italic></jats:sub><jats:italic>/f</jats:italic><jats:sub><jats:italic>d</jats:italic></jats:sub>. The <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>→ D</jats:italic><jats:sup>*+</jats:sup><jats:italic>D</jats:italic><jats:sup>*<jats:italic>−</jats:italic></jats:sup> branching fraction is calculated to be<jats:disp-formula><jats:alternatives><jats:tex-math>$$ \mathcal{B}\left({B}_s^0\to {D}^{\ast +}{D}^{\ast -}\right)=\left(2.15\pm 0.26\pm 0.09\pm 0.06\pm 0.16\right)\times {10}^{-4}, $$</jats:tex-math><mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML">
<mml:mi>B</mml:mi>
<mml:mfenced>
<mml:mrow>
<mml:msubsup>
<mml:mi>B</mml:mi>
<mml:mi>s</mml:mi>
<mml:mn>0</mml:mn>
</mml:msubsup>
<mml:mo>→</mml:mo>
<mml:msup>
<mml:mi>D</mml:mi>
<mml:mrow>
<mml:mo>∗</mml:mo>
<mml:mo>+</mml:mo>
</mml:mrow>
</mml:msup>
<mml:msup>
<mml:mi>D</mml:mi>
<mml:mrow>
<mml:mo>∗</mml:mo>
<mml:mo>−</mml:mo>
</mml:mrow>
</mml:msup>
</mml:mrow>
</mml:mfenced>
<mml:mo>=</mml:mo>
<mml:mfenced>
<mml:mrow>
<mml:mn>2.15</mml:mn>
<mml:mo>±</mml:mo>
<mml:mn>0.26</mml:mn>
<mml:mo>±</mml:mo>
<mml:mn>0.09</mml:mn>
<mml:mo>±</mml:mo>
<mml:mn>0.06</mml:mn>
<mml:mo>±</mml:mo>
<mml:mn>0.16</mml:mn>
</mml:mrow>
</mml:mfenced>
<mml:mo>×</mml:mo>
<mml:msup>
<mml:mn>10</mml:mn>
<mml:mrow>
<mml:mo>−</mml:mo>
<mml:mn>4</mml:mn>
</mml:mrow>
</mml:msup>
<mml:mo>,</mml:mo>
</mml:math></jats:alternatives></jats:disp-formula></jats:p><jats:p>where the fourth uncertainty is due to the <jats:italic>B</jats:italic><jats:sup>0</jats:sup><jats:italic>→ D</jats:italic><jats:sup><jats:italic>*</jats:italic>+</jats:sup><jats:italic>D</jats:italic><jats:sup><jats:italic>*−</jats:italic></jats:sup> branching fraction. These results are calculated using the average <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> meson lifetime in simulation. Correction factors are reported for scenarios where either a purely heavy or a purely light <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> eigenstate is considered.</jats:p>
Dimensions
Dimensions
