학술논문

Evidence for the decays B0→D¯Bs0D¯(*)0ϕ and updated measurements of the branching fractions of the D¯Bs0D¯→D¯Bs0D¯(*)0ϕ decays
Document Type
Original Paper
Author
Aaij, R.Abdelmotteleb, A. S. W.Abellan Beteta, C.Abudinén, F.Ackernley, T.Adeva, B.Adinolfi, M.Adlarson, P.Afsharnia, H.Agapopoulou, C.Aidala, C. A.Ajaltouni, Z.Akar, S.Akiba, K.Albicocco, P.Albrecht, J.Alessio, F.Alexander, M.Alfonso Albero, A.Aliouche, Z.Alvarez Cartelle, P.Amalric, R.Amato, S.Amey, J. L.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.Bachiller Perea, I. BBachmann, S.Bachmayer, M.Back, J. J.Bailly-reyre, A.Baladron Rodriguez, P.Balagura, V.Baldini, W.Baptista de Souza Leite, J.Barbetti, M.Barbosa, I. R.Barlow, R. J.Barsuk, S.Barter, W.Bartolini, M.Baryshnikov, F.Basels, J. M.Bassi, G.Batsukh, B.Battig, A.Bay, A.Beck, A.Becker, M.Bedeschi, F.Bediaga, I. B.Beiter, A.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, H. C.Bertella, C.Bertolin, A.Betancourt, C.Betti, F.Bezshyiko, Ia.Bhom, J.Bian, L.Bieker, M. S.Biesuz, N. V.Billoir, P.Biolchini, A.Birch, M.Bishop, F. C. R.Bitadze, A.Bizzeti, A.Blago, M. P.Blake, T.Blanc, F.Blank, J. E.Blusk, S.Bobulska, D.Bocharnikov, V. BBoelhauve, J. A.Boente Garcia, O.Boettcher, T.Boldyrev, A.Bolognani, C. S.Bolzonella, R.Bondar, N.Borgato, F.Borghi, S.Borsato, M.Borsuk, J. T.Bouchiba, S. A.Bowcock, T. J. V.Boyer, A.Bozzi, C.Bradley, M. J.Braun, S.Brea Rodriguez, A.Breer, N.Brodzicka, J.Brossa Gonzalo, A.Brown, J.Brundu, D.Buonaura, A.Buonincontri, L.Burke, A. T.Burr, C.Bursche, A.Butkevich, A.Butter, J. S.Buytaert, J.Byczynski, W.Cadeddu, S.Cai, H.Calabrese, R.Calefice, L.Cali, S.Calvi, M.Calvo Gomez, M.Campana, P.Campora Perez, D. H.Campoverde Quezada, A. F.Capelli, S.Capriotti, L.Carbone, A.Cardinale, R.Cardini, A.Carniti, P.Carus, L.Casais Vidal, A.Caspary, R.Casse, G.Cattaneo, M.Cavallero, G.Cavallini, V.Celani, S.Cerasoli, J.Cervenkov, D.Chadwick, A. J.Chahrour, I. CChapman, M. G.Charles, M.Charpentier, Ph.Chavez Barajas, C. A.Chefdeville, M.Chen, C.Chen, S.Chernov, A.Chernyshenko, S.Chobanova, V.Cholak, S.Chrzaszcz, M.Chubykin, A.Chulikov, V.Ciambrone, P.Cicala, M. F.Cid Vidal, X.Ciezarek, G.Cifra, P.Ciullo, G.Clarke, P. E. L.Clemencic, M.Cliff, H. V.Closier, J.Cobbledick, J. L.Coco, V.Cogan, J.Cogneras, E.Cojocariu, L.Collins, P.Colombo, T.Congedo, L.Contu, A.Cooke, N.Corredoira, I.Corti, G.Couturier, B.Craik, D. C.Cruz Torres, M.Currie, R.Da Silva, C. L.Dadabaev, S.Dai, L.Dai, X.Dall’Occo, E.Dalseno, J.D’Ambrosio, C.Daniel, J.Danilina, A.d’Argent, P.Davies, J. E.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, J. M.De Paula, L.De Serio, M.De Simone, D.De Simone, P.De Vellis, F.de Vries, J. A.Dean, C. T.Debernardis, F.Decamp, D.Dedu, V.Del Buono, L.Delaney, B.Dembinski, H.-P.Denysenko, V.Deschamps, O.Dettori, F.Dey, B.Di Nezza, P.Diachkov, I.Didenko, S.Dieste Maronas, L.Ding, S.Dobishuk, V.Dolmatov, A.Dong, C.Donohoe, A. M.Dordei, F.dos Reis, A. C.Douglas, L.Downes, A. G.Duda, P.Dudek, M. W.Dufour, L.Duk, V.Durante, P.Duras, M. M.Durham, J. M.Dutta, D.Dziurda, A.Dzyuba, A.Easo, S.Egede, U.Egorychev, A.Egorychev, V.Eirea Orro, C.Eisenhardt, S.Ejopu, E.Ek-In, S.Eklund, L.Elashri, M. EEllbracht, J.Ely, S.Ene, A.Epple, E.Escher, S.Eschle, J.Esen, S.Evans, T.Fabiano, F.Falcao, L. N.Fan, Y.Fang, B.Fantini, L.Faria, M.Farry, S.Fazzini, D.Felkowski, L. FFeo, M.Fernandez Gomez, M.Fernez, A. D.Ferrari, F.Ferreira Lopes, L.Ferreira Rodrigues, F.Ferreres Sole, S.Ferrillo, M.Ferro-Luzzi, M.Filippov, S.Fini, R. A.Fiorini, M.Firlej, M.Fischer, K. M.Fitzgerald, D. S.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, D. A.Frontini, L. FFu, J.Fuehring, Q.Fulghesu, T.Gabriel, E.Galati, G.Galati, M. D.Gallas Torreira, A.Galli, D.Gambetta, S.Gandelman, M.Gandini, P.Gao, H. GGao, R.Gao, Y.Gao, Y.Garau, M.Garcia Martin, L. M.Garcia Moreno, P.García Pardiñas, J.Garcia Plana, B.Garcia Rosales, F. A.Garrido, L.Gaspar, C.Geertsema, R. E.Gerick, D.Gerken, L. L.Gersabeck, E.Gersabeck, M.Gershon, T.Giambastiani, L.Gibson, V.Giemza, H. K.Gilman, A. L.Giovannetti, M.Gioventù, A.Gironella Gironell, P.Giugliano, C.Giza, M. A.Gizdov, K.Gkougkousis, E. L.Gligorov, V. V.Göbel, C.Golobardes, E.Golubkov, D.Golutvin, A.Gomes, A.Gomez Fernandez, S.Goncalves Abrantes, F.Goncerz, M.Gong, G.Gorelov, I. V.Gotti, C.Grabowski, J. P.Grammatico, T.Granado Cardoso, L. A.Graugés, E.Graverini, E.Graziani, G.Grecu, A. T.Greeven, L. M.Grieser, N. A.Grillo, L.Gromov, S.Gu, C.Guarise, M.Guittiere, M.Guliaeva, V.Günther, P. A.Guseinov, A. K.Gushchin, E.Guz, Y.Gys, T.Hadavizadeh, T.Hadjivasiliou, C.Haefeli, G.Haen, C.Haimberger, J.Haines, S. C.Halewood-leagas, T.Halvorsen, M. M.Hamilton, P. M.Hammerich, J.Han, Q.Han, X.Hansmann-Menzemer, S.Hao, L.Harnew, N.Harrison, T.Hasse, C.Hatch, M.He, J.Heijhoff, K.Hemmer, F. HHenderson, C.Henderson, R. D. L.Hennequin, A. M.Hennessy, K.Henry, L.Herd, J.Heuel, J.Hicheur, A.Hill, D.Hilton, M.Hollitt, S. E.Horswill, J.Hou, R.Hou, Y.Hu, J.Hu, J.Hu, W.Hu, X.Huang, W.Huang, X.Hulsbergen, W.Hunter, R. J.Hushchyn, M.Hutchcroft, D.Ibis, P.Idzik, M.Ilin, D.Ilten, P.Inglessi, A.Iniukhin, A.Ishteev, A.Ivshin, K.Jacobsson, R.Jage, H.Jaimes Elles, S. J.Jakobsen, S.Jans, E.Jashal, B. K.Jawahery, A.Jevtic, V.Jiang, E.Jiang, X.Jiang, Y.John, M.Johnson, D.Jones, C. R.Jones, T. P.Joshi, S. JJost, B.Jurik, N.Juszczak, I.Kandybei, S.Kang, Y.Karacson, M.Karpenkov, D.Karpov, M.Kautz, J. W.Keizer, F.Keller, D. M.Kenzie, M.Ketel, T.Khanji, B.Kharisova, A.Kholodenko, S.Khreich, G.Kirn, T.Kirsebom, V. S.Kitouni, O.Klaver, S.Kleijne, N.Klimaszewski, K.Kmiec, M. R.Koliiev, S.Kolk, L.Kondybayeva, A.Konoplyannikov, A.Kopciewicz, P.Kopecna, R.Koppenburg, P.Korolev, M.Kostiuk, I.Kot, O.Kotriakhova, S.Kozachuk, A.Kravchenko, P.Kravchuk, L.Kreps, M.Kretzschmar, S.Krokovny, P.Krupa, W.Krzemien, W.Kubat, J.Kubis, S.Kucewicz, W.Kucharczyk, M.Kudryavtsev, V.Kulikova, E. KKupsc, A.Lacarrere, D.Lafferty, G.Lai, A.Lampis, A.Lancierini, D.Landesa Gomez, C.Lane, J. J.Lane, R.Langenbruch, C.Langer, J.Lantwin, O.Latham, T.Lazzari, F.Lazzeroni, C.Le Gac, R.Lee, S. H.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, T.Li, Y.Li, Z.Lian, Z.Liang, X.Lin, C.Lin, T.Lindner, R.Lisovskyi, V.Litvinov, R.Liu, G.Liu, H.Liu, K.Liu, Q.Liu, S.Lobo Salvia, A.Loi, A.Lollini, R.Lomba Castro, J.Longstaff, I.Lopes, J. H.Lopez Huertas, A.López Soliño, S.Lovell, G. H.Lu, Y.Lucarelli, C.Lucchesi, D.Luchuk, S.Lucio Martinez, M.Lukashenko, V.Luo, Y.Lupato, A.Luppi, E.Lynch, K.Lyu, X.-R.Ma, R.Maccolini, S.Machefert, F.Maciuc, F.Mackay, I.Macko, V.Madhan Mohan, L. R.Maevskiy, A.Maisuzenko, D.Majewski, M. W.Malczewski, J. J.Malde, S.Malecki, B.Malinin, A.Maltsev, T.Manca, G.Mancinelli, G.Mancuso, C.Manera Escalero, R.Manuzzi, D.Manzari, C. A.Marangotto, D.Marchand, J. F.Marconi, U.Mariani, S.Marin Benito, C.Marks, J.Marshall, A. M.Marshall, P. J.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, K. R.Mauri, A.Maurice, E.Mauricio, J.Mazurek, M.McCann, M.Mcconnell, L.McGrath, T. H.McHugh, N. T.McNab, A.McNulty, R.Meadows, B.Meier, G.Melnychuk, D.Meloni, S.Merk, M.Merli, A.Meyer Garcia, L.Miao, D.Miao, H.Mikhasenko, M.Milanes, D. A.Milovanovic, M.Minard, M.-N.Minotti, A.Minucci, E.Miralles, T.Mitchell, S. E.Mitreska, B.Mitzel, D. S.Modak, A.Mödden, A.Mohammed, R. A.Moise, R. D.Mokhnenko, S.Mombächer, T.Monk, M.Monroy, I. A.Monteil, S.Morello, G.Morello, M. J.Morgenthaler, M. P.Moron, J.Morris, A. B.Morris, A. G.Mountain, R.Mu, H.Muhammad, E.Muheim, F.Mulder, M.Müller, K.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.Nicotra, D.Niel, E. M.Nieswand, S.Nikitin, N.Nolte, N. S.Normand, C.Novoa Fernandez, J.Nowak, G. NNunez, C.Oblakowska-Mucha, A.Obraztsov, V.Oeser, T.Okamura, S.Oldeman, R.Oliva, F.Olocco, M. OOnderwater, C. J. G.O’Neil, R. H.Otalora Goicochea, J. M.Ovsiannikova, T.Owen, P.Oyanguren, A.Ozcelik, O.Padeken, K. O.Pagare, B.Pais, P. R.Pajero, T.Palano, A.Palutan, M.Panshin, G.Paolucci, L.Papanestis, A.Pappagallo, M.Pappalardo, L. 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Source
Journal of High Energy Physics. 2023(10)
Subject
B Physics
Branching fraction
Hadron-Hadron Scattering
CKM Angle Gamma
Language
English
ISSN
1029-8479
Abstract
Abstract: Evidence for the decays B0→D¯D¯sBB0→D¯0ϕ=7.7±2.1±0.7±0.7×10−7,BB0→D¯∗0ϕ=2.2±0.5±0.2±0.2×10−6.D¯D¯∗0ϕD¯∗0ωBs0D¯∗0ϕBBs0→D¯0ϕ=2.30±0.10±0.11±0.20×10−5,BBs0→D¯∗0ϕ=3.17±0.16±0.17±0.27×10−5.0ϕ and B0→D¯D¯sBB0→D¯0ϕ=7.7±2.1±0.7±0.7×10−7,BB0→D¯∗0ϕ=2.2±0.5±0.2±0.2×10−6.D¯D¯∗0ϕD¯∗0ωBs0D¯∗0ϕBBs0→D¯0ϕ=2.30±0.10±0.11±0.20×10−5,BBs0→D¯∗0ϕ=3.17±0.16±0.17±0.27×10−5.*0ϕ is reported with a significance of 3.6 σ and 4.3 σ, respectively. The analysis employs pp collision data at centre-of-mass energies D¯D¯sBB0→D¯0ϕ=7.7±2.1±0.7±0.7×10−7,BB0→D¯∗0ϕ=2.2±0.5±0.2±0.2×10−6.D¯D¯∗0ϕD¯∗0ωBs0D¯∗0ϕBBs0→D¯0ϕ=2.30±0.10±0.11±0.20×10−5,BBs0→D¯∗0ϕ=3.17±0.16±0.17±0.27×10−5. = 7, 8 and 13 TeV collected by the LHCb detector and corresponding to an integrated luminosity of 9 fb−1. The branching fractions are measured to beD¯D¯sBB0→D¯0ϕ=7.7±2.1±0.7±0.7×10−7,BB0→D¯∗0ϕ=2.2±0.5±0.2±0.2×10−6.D¯D¯∗0ϕD¯∗0ωBs0D¯∗0ϕBBs0→D¯0ϕ=2.30±0.10±0.11±0.20×10−5,BBs0→D¯∗0ϕ=3.17±0.16±0.17±0.27×10−5.In these results, the first uncertainty is statistical, the second systematic, and the third is related to the branching fraction of the B0→D¯D¯sBB0→D¯0ϕ=7.7±2.1±0.7±0.7×10−7,BB0→D¯∗0ϕ=2.2±0.5±0.2±0.2×10−6.D¯D¯∗0ϕD¯∗0ωBs0D¯∗0ϕBBs0→D¯0ϕ=2.30±0.10±0.11±0.20×10−5,BBs0→D¯∗0ϕ=3.17±0.16±0.17±0.27×10−5.0K+K decay, used for normalisation. By combining the branching fractions of the decays B0 → D¯D¯sBB0→D¯0ϕ=7.7±2.1±0.7±0.7×10−7,BB0→D¯∗0ϕ=2.2±0.5±0.2±0.2×10−6.D¯D¯∗0ϕD¯∗0ωBs0D¯∗0ϕBBs0→D¯0ϕ=2.30±0.10±0.11±0.20×10−5,BBs0→D¯∗0ϕ=3.17±0.16±0.17±0.27×10−5. and B0 → D¯D¯sBB0→D¯0ϕ=7.7±2.1±0.7±0.7×10−7,BB0→D¯∗0ϕ=2.2±0.5±0.2±0.2×10−6.D¯D¯∗0ϕD¯∗0ωBs0D¯∗0ϕBBs0→D¯0ϕ=2.30±0.10±0.11±0.20×10−5,BBs0→D¯∗0ϕ=3.17±0.16±0.17±0.27×10−5., the ω-ϕ mixing angle δ is constrained to be tan2δ = (3.6 ± 0.7 ± 0.4) × 10−3, where the first uncertainty is statistical and the second systematic. An updated measurement of the branching fractions of the D¯D¯sBB0→D¯0ϕ=7.7±2.1±0.7±0.7×10−7,BB0→D¯∗0ϕ=2.2±0.5±0.2±0.2×10−6.D¯D¯∗0ϕD¯∗0ωBs0D¯∗0ϕBBs0→D¯0ϕ=2.30±0.10±0.11±0.20×10−5,BBs0→D¯∗0ϕ=3.17±0.16±0.17±0.27×10−5. → D¯D¯sBB0→D¯0ϕ=7.7±2.1±0.7±0.7×10−7,BB0→D¯∗0ϕ=2.2±0.5±0.2±0.2×10−6.D¯D¯∗0ϕD¯∗0ωBs0D¯∗0ϕBBs0→D¯0ϕ=2.30±0.10±0.11±0.20×10−5,BBs0→D¯∗0ϕ=3.17±0.16±0.17±0.27×10−5. decays, which can be used to determine the CKM angle γ, leads toD¯D¯sBB0→D¯0ϕ=7.7±2.1±0.7±0.7×10−7,BB0→D¯∗0ϕ=2.2±0.5±0.2±0.2×10−6.D¯D¯∗0ϕD¯∗0ωBs0D¯∗0ϕBBs0→D¯0ϕ=2.30±0.10±0.11±0.20×10−5,BBs0→D¯∗0ϕ=3.17±0.16±0.17±0.27×10−5.