Collapse authors list.
Aaij, R, Abdelmotteleb, ASW, Abellan Beteta, C, Abudinén, F, Ackernley, T, Adefisoye, AA, Adeva, B, Adinolfi, M, Adlarson, P, Agapopoulou, C et al (show 1110 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, NB, 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, 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, Butkevich, A, 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, Chang, X, Charles, M, Charpentier, Ph, Chatzianagnostou, E, Chavez Barajas, CA, 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, MC, Comerma-Montells, A, Congedo, L, Contu, A, Cooke, N, Corredoira, I, Correia, A, Corti, G, Cottee Meldrum, JJ, 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, 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, Fischer, KL, Fitzgerald, DS, Fitzpatrick, C, Fleuret, F, Fontana, M, Foreman, LF, Forty, R, Foulds-Holt, D, Franco Sevilla, M, Frank, M, Franzoso, E, Frau, G, Frei, C, Friday, DA, Fu, J, Fuehring, 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, 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, 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, Gomes, 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, 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, GH, Halvorsen, MM, Hamilton, PM, Hammerich, J, 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, 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, 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, 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, OK, Kubat, J, 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, 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, Leverington, B, Li, A, Li, C, Li, H, Li, K, Li, L, 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, 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, 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, Mombächer, T, Monk, M, Monteil, S, Morcillo Gomez, A, Morello, G, Morello, MJ, Morgenthaler, MP, 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, Nogarolli, P, Nogga, P, Nolte, NS, 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, 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, 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, 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, Sanchez Gras, C, 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, 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, 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, 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, Vesterinen, M, Vico Benet, D, 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, J, Wang, J, Wang, J, Wang, J, Wang, M, Wang, NW, Wang, R, Wang, X, Wang, X, Wang, XW, Wang, Y, 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, Wislicki, W, Witek, M, Witola, L, Wong, CP, 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, Yu, CY, Yu, J, Yuan, X, Yuan, Y, Zaffaroni, E, Zavertyaev, M, Zdybal, M, 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
(2024)
Study of the rare decay J/ψ → μ+μ−μ+μ−.
Journal of High Energy Physics, 2024 (12).
62-.
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>The rare electromagnetic <jats:italic>J/ψ</jats:italic> → <jats:italic>μ</jats:italic>
<jats:sup>+</jats:sup>
<jats:italic>μ</jats:italic>
<jats:sup>
<jats:italic>−</jats:italic>
</jats:sup>
<jats:italic>μ</jats:italic>
<jats:sup>+</jats:sup>
<jats:italic>μ</jats:italic>
<jats:sup>
<jats:italic>−</jats:italic>
</jats:sup> decay is observed with a significance greatly exceeding the discovery threshold, using proton-proton collision data collected by the LHCb experiment during 2016–2018 at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 5<jats:italic>.</jats:italic>4 fb<jats:sup>
<jats:italic>−</jats:italic>1</jats:sup>. The rate of this decay is measured relative to that of the <jats:italic>J/ψ</jats:italic> → <jats:italic>μ</jats:italic>
<jats:sup>+</jats:sup>
<jats:italic>μ</jats:italic>
<jats:sup>
<jats:italic>−</jats:italic>
</jats:sup> mode. Using the QED model for the four-muon decay in the efficiency estimation, its branching fraction is determined to be<jats:disp-formula>
<jats:alternatives>
<jats:tex-math>$$ \mathcal{B}\left(J/\psi \to {\mu}^{+}{\mu}^{-}{\mu}^{+}{\mu}^{-}\right)=\left(1.13\pm 0.10\pm 0.05\pm 0.01\right)\times {10}^{-6}, $$</jats:tex-math>
<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML">
<mml:mi>B</mml:mi>
<mml:mfenced>
<mml:mrow>
<mml:mi>J</mml:mi>
<mml:mo>/</mml:mo>
<mml:mi>ψ</mml:mi>
<mml:mo>→</mml:mo>
<mml:msup>
<mml:mi>μ</mml:mi>
<mml:mo>+</mml:mo>
</mml:msup>
<mml:msup>
<mml:mi>μ</mml:mi>
<mml:mo>−</mml:mo>
</mml:msup>
<mml:msup>
<mml:mi>μ</mml:mi>
<mml:mo>+</mml:mo>
</mml:msup>
<mml:msup>
<mml:mi>μ</mml:mi>
<mml:mo>−</mml:mo>
</mml:msup>
</mml:mrow>
</mml:mfenced>
<mml:mo>=</mml:mo>
<mml:mfenced>
<mml:mrow>
<mml:mn>1.13</mml:mn>
<mml:mo>±</mml:mo>
<mml:mn>0.10</mml:mn>
<mml:mo>±</mml:mo>
<mml:mn>0.05</mml:mn>
<mml:mo>±</mml:mo>
<mml:mn>0.01</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>6</mml:mn>
</mml:mrow>
</mml:msup>
<mml:mo>,</mml:mo>
</mml:math>
</jats:alternatives>
</jats:disp-formula>
</jats:p>
<jats:p>where the uncertainties are statistical, systematic and due to the uncertainty on the branching fraction of the <jats:italic>J/ψ → μ</jats:italic>
<jats:sup>+</jats:sup>
<jats:italic>μ</jats:italic>
<jats:sup>
<jats:italic>−</jats:italic>
</jats:sup> decay.</jats:p>
Altmetric
Altmetric