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Aaij, R, Adeva, B, Adinolfi, M, Ajaltouni, Z, Akar, S, Albrecht, J, Alessio, F, Alexander, M, Ali, S, Alkhazov, G et al (show 762 more authors) , Cartelle, P Alvarez, Alves, AA Jr, Amato, S, Amerio, S, Amhis, Y, An, L, Anderlini, L, Andreassi, G, Andreotti, M, Andrews, JE, Appleby, RB, Archilli, F, d'Argent, P, Romeu, J Arnau, Artamonov, A, Artuso, M, Aslanides, E, Auriemma, G, Baalouch, M, Babuschkin, I, Bachmann, S, Back, JJ, Badalov, A, Baesso, C, Baker, S, Baldini, W, Barlow, RJ, Barschel, C, Barsuk, S, Barter, W, Baszczyk, M, Batozskaya, V, Batsukh, B, Battista, V, Bay, A, Beaucourt, L, Beddow, J, Bedeschi, F, Bediaga, I, Bel, LJ, Bellee, V, Belloli, N, Belous, K, Belyaev, I, Ben-Haim, E, Bencivenni, G, Benson, S, Benton, J, Berezhnoy, A, Bernet, R, Bertolin, A, Betancourt, C, Betti, F, Bettler, M-O, van Beuzekom, M, Bezshyiko, Ia, Bifani, S, Billoir, P, Bird, T, Birnkraut, A, Bitadze, A, Bizzeti, A, Blake, T, Blanc, F, Blouw, J, Blusk, S, Bocci, V, Boettcher, T, Bondar, A, Bondar, N, Bonivento, W, Bordyuzhin, I, Borgheresi, A, Borghi, S, Borisyak, M, Borsato, M, Bossu, F, Boubdir, M, Bowcock, TJV 
ORCID: 0000-0002-3505-6915, Bowen, E, Bozzi, C, Braun, S, Britsch, M, Britton, T, Brodzicka, J, Buchanan, E, Burr, C, Bursche, A, Buytaert, J, Cadeddu, S, Calabrese, R, Calvi, M, Calvo Gomez, M, Camboni, A, Campana, P, Perez, DH Campora, Capriotti, L, Carbone, A, Carboni, G, Cardinale, R, Cardini, A, Carniti, P, Carson, L, Carvalho Akiba, K, Casse, G ORCID: 0000-0002-8516-237X, Cassina, L, Garcia, L Castillo, Cattaneo, M, Cauet, Ch, Cavallero, G, Cenci, R, Chamont, D, Charles, M, Charpentier, Ph, Chatzikonstantinidis, G, Chefdeville, M, Chen, S, Cheung, S-F, Chobanova, V, Chrzaszcz, M, Cid Vidal, X, Ciezarek, G, Clarke, PEL, Clemencic, M, Cliff, HV, Closier, J, Coco, V, Cogan, J, Cogneras, E, Cogoni, V, Cojocariu, L, Collazuol, G, Collins, P, Comerma-Montells, A, Contu, A, Cook, A, Coombs, G, Coquereau, S, Corti, G, Corvo, M, Sobral, CM Costa, Couturier, B, Cowan, GA, Craik, DC, Crocombe, A, Cruz Torres, M, Cunliffe, S, Currie, R, D'Ambrosio, C, Da Cunha Marinho, F, Dall'Occo, E, Dalseno, J, David, PNY, Davis, A, De Aguiar Francisco, O, De Bruyn, K, De Capua, S, De Cian, M, De Miranda, JM, De Paula, L, De Serio, M, De Simone, P, Dean, CT, Decamp, D, Deckenhoff, M, Del Buono, L, Demmer, M, Dendek, A, Derkach, D, Deschamps, O, Dettori, F, Dey, B, Di Canto, A, Dijkstra, H, Dordei, F, Dorigo, M, Dosil Suarez, A, Dovbnya, A, Dreimanis, K, Dufour, L, Dujany, G, Dungs, K, Durante, P, Dzhelyadin, R, Dziurda, A, Dzyuba, A, Deleage, N, Easo, S, Ebert, M, Egede, U, Egorychev, V, Eidelman, S, Eisenhardt, S, Eitschberger, U, Ekelhof, R, Eklund, L, Ely, S, Esen, S, Evans, HM, Evans, T, Falabella, A, Farley, N, Farry, S ORCID: 0000-0001-5119-9740, Fay, R, Fazzini, D, Ferguson, D, Fernandez Prieto, A, Ferrari, F, Ferreira Rodrigues, F, Ferro-Luzzi, M, Filippov, S, Fini, RA, Fiore, M, Fiorini, M, Firlej, M, Fitzpatrick, C, Fiutowski, T, Fleuret, F, Fohl, K, Fontana, M, Fontanelli, F, Forshaw, DC, Forty, R, Lima, V Franco ORCID: 0000-0002-3761-209X, Frank, M, Frei, C, Fu, J, Funk, W, Furfaro, E, Faerber, C, Gallas Torreira, A, Galli, D, Gallorini, S, Gambetta, S, Gandelman, M, Gandini, P, Gao, Y, Garcia Martin, LM, Garcia Pardinas, J, Tico, J Garra, Garrido, L, Garsed, PJ, Gascon, D, Gaspar, C, Gavardi, L, Gazzoni, G, Gerick, D, Gersabeck, E, Gersabeck, M, Gershon, T, Ghez, Ph, Giani, S, Gibson, V, Girard, OG, Giubega, L, Gizdov, K, Gligorov, VV, Golubkov, D, Golutvin, A, Gomes, A, Gorelov, IV, Gotti, C, Gandara, M Grabalosa, Graciani Diaz, R, Cardoso, LA Granado, Grauges, E, Graverini, E, Graziani, G, Grecu, A, Griffith, P, Grillo, L, Cazon, BR Gruberg, Gruenberg, O, Gushchin, E, Guz, Yu, Gys, T, Gobel, C, Hadavizadeh, T, Hadjivasiliou, C, Haefeli, G, Haen, C, Haines, SC, Hall, S, Hamilton, B, Han, X, Hansmann-Menzemer, S, Harnew, N, Harnew, ST, Harrison, J, Hatch, M, He, J, Head, T, Heister, A, Hennessy, K ORCID: 0000-0002-1529-8087, Henrard, P, Henry, L, van Herwijnen, E, Hess, M, Hicheur, A, Hill, D, Hombach, C, Hopchev, H, Hulsbergen, W, Humair, T, Hushchyn, M, Hussain, N, Hutchcroft, D ORCID: 0000-0002-4174-6509, Idzik, M, Ilten, P, Jacobsson, R, Jaeger, A, Jalocha, J, Jans, E, Jawahery, A, Jiang, F, John, M, Johnson, D, Jones, CR, Joram, C, Jost, B, Jurik, N, Kandybei, S, Kanso, W, Karacson, M, Kariuki, JM, Karodia, S, Kecke, M, Kelsey, M, Kenzie, M, Ketel, T, Khairullin, E, Khanji, B, Khurewathanakul, C, Kirn, T, Klaver, S, Klimaszewski, K, Koliiev, S, Kolpin, M, Komarov, I, Koopman, RF, Koppenburg, P, Kosmyntseva, A, Kozachuk, A, Kozeiha, M, Kravchuk, L, Kreplin, K, Kreps, M, Krokovny, P, Kruse, F, Krzemien, W, Kucewicz, W, Kucharczyk, M, Kudryavtsev, V, Kuonen, AK, Kurek, K, Kvaratskheliya, T, Lacarrere, D, Lafferty, G, Lai, A, Lanfranchi, G, Langenbruch, C, Latham, T, Lazzeroni, C, Le Gac, R, van Leerdam, J, Leflat, A, Lefrancois, J, Lefevre, R, Lemaitre, F, Lemos Cid, E, Leroy, O, Lesiak, T, Leverington, B, Li, T, Li, Y, Likhomanenko, T, Lindner, R, Linn, C, Lionetto, F, Liu, X, Loh, D, Longstaff, I, Lopes, JH, Lucchesi, D, Lucio Martinez, M, Luo, H, Lupato, A, Luppi, E, Lupton, O, Lusiani, A, Lyu, X, Machefert, F, Maciuc, F, Maev, O, Maguire, K, Malde, S, Malinin, A, Maltsev, T, Manca, G, Mancinelli, G, Manning, P, Maratas, J, Marchand, JF, Marconi, U, Marin Benito, C, Marino, P, Marks, J, Martellotti, G, Martin, M, Martinelli, M, Martinez Santos, D, Martinez Vidal, F, Martins Tostes, D, Massacrier, LM, Massaferri, A, Matev, R, Mathad, A, Mathe, Z, Matteuzzi, C, Mauri, A, Maurice, E, Maurin, B, Mazurov, A, McCann, M, McCarthy, J, Mcnab, A, McNulty, R, Meadows, B, Meier, F, Meissner, M, Melnychuk, D, Merk, M, Merli, A, Michielin, E, Milanes, DA, Minard, M-N, Mitzel, DS, Mogini, A, Molina Rodriguez, J, Monroy, IA, Monteil, S, Morandin, M, Morawski, P, Morda, A, Morello, MJ, Moron, J, Morris, AB, Mountain, R, Muheim, F, Mulder, M, Mussini, M, Muller, D, Mueller, J, Mueller, K, Mueller, V, Naik, P, Nakada, T, Nandakumar, R, Nandi, A, Nasteva, I, Needham, M, Neri, N, Neubert, S, Neufeld, N, Neuner, M, 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(2017)
Observation of the suppressed decay Λ<i><sub>b</sub></i><SUP>0</SUP> → <i>p</i>π<SUP>-</SUP> μ<SUP>+</SUP> μ<SUP>-</SUP>.
JOURNAL OF HIGH ENERGY PHYSICS, 2017 (4).
Access the full-text of this item by clicking on the
Open Access link.
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Abstract
The suppressed decay Λb0 → pπ−μ+μ−, excluding the J/ψ and ψ(2S) → μ+μ− resonances, is observed for the first time with a significance of 5.5 standard deviations. The analysis is performed with proton-proton collision data corresponding to an integrated luminosity of 3 fb−1 collected with the LHCb experiment. The Λb0 → pπ−μ+μ− branching fraction is measured relative to the Λb0 → J/ψ(→μ+μ−)pπ− branching fraction givingℬ(Λb0→pπ−μ+μ−)ℬ(Λb0→J/ψ(→μ+μ−)pπ−)=0.044±0.012±0.007, where the first uncertainty is statistical and the second is systematic. This is the first observation of a b → d transition in a baryonic decay.[Figure not available: see fulltext.]
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