학술논문

Measurement of the branching fraction of B0→ J/ψπ0 decays
Document Type
Original Paper
Author
Aaij, R.Abdelmotteleb, A. S. W.Abellan Beteta, C.Abudinén, F.Ackernley, T.Adams, J. A.Adefisoye, A. A.Adeva, B.Adinolfi, M.Adlarson, P.Agapopoulou, C.Aidala, C. A.Ajaltouni, Z.Akar, S.Akiba, K.Albicocco, P.Albrecht, J.Alessio, F.Alexander, M.Aliouche, Z.Alvarez Cartelle, P.Amalric, R.Amato, S.Amey, J. L.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.Atzeni, M.Audurier, B.Bacher, D.Bachiller Perea, I.Bachmann, S.Bachmayer, M.Back, J. J.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.Bartz, J.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.Bertella, C.Bertolin, A.Betancourt, C.Betti, F.Bex, J.Bezshyiko, Ia.Bhom, J.Bieker, M. S.Biesuz, N. V.Billoir, P.Biolchini, A.Birch, M.Bishop, F. C. R.Bitadze, A.Bizzeti, A.Blake, T.Blanc, F.Blank, J. E.Blusk, S.Bocharnikov, V.Boelhauve, J. A.Boente Garcia, O.Boettcher, T.Bohare, A.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.Brea Rodriguez, A.Breer, N.Brodzicka, J.Brossa Gonzalo, A.Brown, J.Brundu, D.Buchanan, E.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.Cambon Bouzas, J.Campana, P.Campora Perez, D. H.Campoverde Quezada, A. F.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.Cerasoli, J.Cervenkov, D.Cesare, S.Chadwick, A. J.Chahrour, I.Charles, M.Charpentier, Ph.Chavez Barajas, C. A.Chefdeville, M.Chen, C.Chen, S.Chen, Z.Chernov, A.Chernyshenko, S.Chobanova, V.Cholak, S.Chrzaszcz, M.Chubykin, A.Chulikov, V.Ciambrone, P.Cid Vidal, X.Ciezarek, G.Cifra, P.Clarke, P. E. L.Clemencic, M.Cliff, H. V.Closier, J.Cocha Toapaxi, C.Coco, V.Cogan, J.Cogneras, E.Cojocariu, L.Collins, P.Colombo, T.Comerma-Montells, A.Congedo, L.Contu, A.Cooke, N.Corredoira, I.Correia, A.Corti, G.Cottee Meldrum, J. J.Couturier, B.Craik, D. C.Cruz Torres, M.Curras Rivera, E.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.Davidson, A.Davies, J. E.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, J. M.De Paula, L.De Serio, M.De Simone, D.De Simone, P.De Vellis, F.de Vries, J. A.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, A. D.Dolmatov, A.Dong, C.Donohoe, A. M.Dordei, F.dos Reis, A. C.Dowling, A. D.Downes, A. G.Duan, W.Duda, P.Dudek, M. W.Dufour, L.Duk, V.Durante, P.Duras, M. M.Durham, J. M.Durmus, O. D.Dziurda, A.Dzyuba, A.Easo, S.Eckstein, E.Egede, U.Egorychev, A.Egorychev, V.Eisenhardt, S.Ejopu, E.Ek-In, S.Eklund, L.Elashri, M.Ellbracht, 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.Farmer, K.Fazzini, D.Felkowski, L.Feng, M.Feo, M.Fernandez Gomez, M.Fernez, A. D.Ferrari, F.Ferreira Rodrigues, F.Ferreres Sole, S.Ferrillo, M.Ferro-Luzzi, M.Filippov, S.Fini, R. A.Fiorini, M.Fischer, K. M.Fitzgerald, D. S.Fitzpatrick, C.Fleuret, F.Fontana, M.Foreman, L. F.Forty, R.Foulds-Holt, D.Franco Sevilla, M.Frank, M.Franzoso, E.Frau, G.Frei, C.Friday, D. A.Fu, J.Fuehring, Q.Fujii, Y.Fulghesu, T.Gabriel, E.Galati, G.Galati, M. D.Gallas Torreira, A.Galli, D.Gambetta, S.Gandelman, M.Gandini, P.Gao, H.Gao, R.Gao, Y.Gao, Y.Gao, Y.Garau, M.Garcia Martin, L. M.Garcia Moreno, P.García Pardiñas, J.Garg, K. G.Garrido, L.Gaspar, C.Geertsema, R. E.Gerken, L. L.Gersabeck, E.Gersabeck, M.Gershon, T.Ghorbanimoghaddam, Z.Giambastiani, L.Giasemis, F. I.Gibson, V.Giemza, H. K.Gilman, A. L.Giovannetti, M.Gioventù, A.Gironella Gironell, P.Giugliano, C.Giza, M. A.Gkougkousis, E. L.Glaser, F. C.Gligorov, V. V.Göbel, C.Golobardes, E.Golubkov, D.Golutvin, A.Gomes, A.Gomez Fernandez, S.Goncalves Abrantes, F.Goncerz, M.Gong, G.Gooding, J. A.Gorelov, I. V.Gotti, C.Grabowski, J. P.Granado Cardoso, L. A.Graugés, E.Graverini, E.Grazette, L.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.Habermann, K.Hadavizadeh, T.Hadjivasiliou, C.Haefeli, G.Haen, C.Haimberger, J.Hajheidari, M.Halvorsen, M. M.Hamilton, P. M.Hammerich, J.Han, Q.Han, X.Hansmann-Menzemer, S.Hao, L.Harnew, N.Harrison, T.Hartmann, M.He, J.Heijhoff, K.Hemmer, F.Henderson, C.Henderson, R. D. L.Hennequin, A. M.Hennessy, K.Henry, L.Herd, J.Herdieckerhoff, J.Herrero Gascon, P.Heuel, J.Hicheur, A.Hijano Mendizabal, G.Hill, D.Hollitt, S. E.Horswill, J.Hou, R.Hou, Y.Howarth, N.Hu, J.Hu, J.Hu, W.Hu, X.Huang, W.Hulsbergen, W.Hunter, R. J.Hushchyn, M.Hutchcroft, D.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.Jiang, Y. J.John, M.Johnson, D.Jones, C. R.Jones, T. P.Joshi, S.Jost, B.Jurik, N.Juszczak, I.Kaminaris, D.Kandybei, S.Kang, Y.Karacson, M.Karpenkov, D.Kauniskangas, A.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.Konoplyannikov, A.Kopciewicz, P.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.Kupsc, A.Kutsenko, B. K.Lacarrere, D.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.Lefèvre, R.Leflat, A.Legotin, S.Lehuraux, M.Lemos Cid, E.Leroy, O.Lesiak, T.Leverington, B.Li, A.Li, H.Li, K.Li, L.Li, P.Li, P.-R.Li, S.Li, T.Li, T.Li, Y.Li, Y.Li, Z.Lian, Z.Liang, X.Libralon, S.Lin, C.Lin, T.Lindner, R.Lisovskyi, V.Litvinov, R.Liu, F. L.Liu, G.Liu, K.Liu, Q.Liu, S.Liu, Y.Liu, Y.Liu, Y. L.Lobo Salvia, A.Loi, A.Lomba Castro, J.Long, T.Lopes, J. H.Lopez Huertas, A.López Soliño, S.Lovell, G. H.Lucarelli, C.Lucchesi, D.Luchuk, S.Lucio Martinez, M.Lukashenko, V.Luo, Y.Lupato, A.Luppi, E.Lynch, K.Lyu, X.-R.Ma, G. M.Ma, R.Maccolini, S.Machefert, F.Maciuc, F.Mack, B. M.Mackay, I.Mackey, L. M.Madhan Mohan, L. R.Madurai, M. M.Maevskiy, A.Magdalinski, D.Maisuzenko, D.Majewski, M. W.Malczewski, J. J.Malde, S.Malecki, B.Malentacca, L.Malinin, A.Maltsev, T.Manca, G.Mancinelli, G.Mancuso, C.Manera Escalero, R.Manuzzi, D.Marangotto, D.Marchand, J. F.Marchevski, R.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.Mayencourt, P.Mazurek, M.McCann, M.Mcconnell, L.McGrath, T. H.McHugh, N. T.McNab, A.McNulty, R.Meadows, B.Meier, G.Melnychuk, D.Merk, M.Merli, A.Meyer Garcia, L.Miao, D.Miao, H.Mikhasenko, M.Milanes, D. A.Minotti, A.Minucci, E.Miralles, T.Mitreska, B.Mitzel, D. S.Modak, A.Mödden, A.Mohammed, R. A.Moise, R. D.Mokhnenko, S.Mombächer, T.Monk, M.Monteil, S.Morcillo Gomez, A.Morello, G.Morello, M. J.Morgenthaler, M. P.Morris, A. B.Morris, A. G.Mountain, R.Mu, H.Mu, Z. M.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, E. 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Source
Journal of High Energy Physics. 2024(5)
Subject
B Physics
Branching fraction
Hadron-Hadron Scattering
Language
English
ISSN
1029-8479
Abstract
Abstract: The ratio of branching fractions between B0 → J/ψπ0 and B+ → J/ψK*+ decays is measured with proton-proton collision data collected by the LHCb experiment, corresponding to an integrated luminosity of 9 fb−1. The measured value isBB0→J/ψπ0BB+→J/ψK∗+=1.153±0.053±0.048×10−2,BB0→J/ψπ0=1.670±0.077±0.069±0.095×10−5,where the first uncertainty is statistical and the second is systematic. The branching fraction for B0 → J/ψπ0 decays is determined using the branching fraction of the normalisation channel, resulting inBB0→J/ψπ0BB+→J/ψK∗+=1.153±0.053±0.048×10−2,BB0→J/ψπ0=1.670±0.077±0.069±0.095×10−5,where the last uncertainty corresponds to that of the external input. This result is consistent with the current world average value and competitive with the most precise single measurement to date.