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dc.contributor.authorThe LHCb Collaboration
dc.contributor.authorBoettcher, Thomas Julian
dc.contributor.authorCraik, Daniel C
dc.contributor.authorWeisser, Constantin
dc.contributor.authorWilliams, Michael
dc.date.accessioned2022-09-19T18:02:34Z
dc.date.available2021-10-27T19:56:23Z
dc.date.available2022-09-19T18:02:34Z
dc.date.issued2019
dc.identifier.urihttps://hdl.handle.net/1721.1/133730.2
dc.description.abstract© 2019 CERN. We report the observation of a new structure in the Λb0π+π- spectrum using the full LHCb data set of pp collisions, corresponding to an integrated luminosity of 9 fb-1, collected at s=7, 8, and 13 TeV. A study of the structure suggests its interpretation as a superposition of two almost degenerate narrow states. The masses and widths of these states are measured to be mΛb(6146)0=6146.17±0.33±0.22±0.16 MeV,mΛb(6152)0=6152.51±0.26±0.22±0.16 MeV,ΓΛb(6146)0=2.9±1.3±0.3 MeV,ΓΛb(6152)0=2.1±0.8±0.3 MeV,with a mass splitting of Δm=6.34±0.32±0.02 MeV, where the first uncertainty is statistical, the second systematic. The third uncertainty for the mass measurements derives from the knowledge of the mass of the Λb0 baryon. The measured masses and widths of these new excited states suggest their possible interpretation as a doublet of Λb(1D)0 states.en_US
dc.language.isoen
dc.publisherAmerican Physical Society (APS)en_US
dc.relation.isversionof10.1103/PHYSREVLETT.123.152001en_US
dc.rightsCreative Commons Attribution 4.0 International licenseen_US
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/en_US
dc.sourceAPSen_US
dc.titleObservation of New Resonances in the Λ b 0 π + π − Systemen_US
dc.typeArticleen_US
dc.contributor.departmentMassachusetts Institute of Technology. Department of Physicsen_US
dc.contributor.departmentMassachusetts Institute of Technology. Laboratory for Nuclear Scienceen_US
dc.relation.journalPhysical Review Lettersen_US
dc.eprint.versionFinal published versionen_US
dc.type.urihttp://purl.org/eprint/type/JournalArticleen_US
eprint.statushttp://purl.org/eprint/status/PeerRevieweden_US
dc.date.updated2021-03-26T14:49:22Z
dspace.orderedauthorsAaij, R; Abellán Beteta, C; Ackernley, T; Adeva, B; Adinolfi, M; Afsharnia, H; Aidala, CA; Aiola, S; Ajaltouni, Z; Akar, S; Albicocco, P; Albrecht, J; Alessio, F; Alexander, M; Alfonso Albero, A; Alkhazov, G; Alvarez Cartelle, P; Alves, AA; Amato, S; Amhis, Y; An, L; Anderlini, L; Andreassi, G; Andreotti, M; Archilli, F; Arnau Romeu, J; Artamonov, A; Artuso, M; Arzymatov, K; Aslanides, E; Atzeni, M; Audurier, B; Bachmann, S; Back, JJ; Baker, S; Balagura, V; Baldini, W; Baranov, A; Barlow, RJ; Barsuk, S; Barter, W; Bartolini, M; Baryshnikov, F; Bassi, G; Batozskaya, V; Batsukh, B; Battig, A; Battista, V; Bay, A; Becker, M; Bedeschi, F; Bediaga, I; Beiter, A; Bel, LJ; Belavin, V; Belin, S; Beliy, N; Bellee, V; Belous, K; Belyaev, I; Bencivenni, G; Ben-Haim, E; Benson, S; Beranek, S; Berezhnoy, A; Bernet, R; Berninghoff, D; Bertholet, E; Bertolin, A; Betancourt, C; Betti, F; Bettler, MO; Bezshyiko, I; Bhasin, S; Bhom, J; Bieker, MS; Bifani, S; Billoir, P; Birnkraut, A; Bizzeti, A; Bjørn, M; Blago, MP; Blake, T; Blanc, F; Blusk, S; Bobulska, D; Bocci, V; Boente Garcia, O; Boettcher, T; Boldyrev, A; Bondar, A; Bondar, N; Borghi, S; Borisyak, M; Borsato, M; Borsuk, JT; Boubdir, M; Bowcock, TJV; Bozzi, C; Braun, S; Brea Rodriguez, A; Brodski, M; Brodzicka, J; Brossa Gonzalo, A; Brundu, D; Buchanan, E; Buonaura, A; Burr, C; Bursche, A; Butter, JS; Buytaert, J; Byczynski, W; Cadeddu, S; Cai, H; Calabrese, R; Cali, S; Calladine, R; Calvi, M; Calvo Gomez, M; Camboni, A; Campana, P; Campora Perez, DH; Capriotti, L; Carbone, A; Carboni, G; Cardinale, R; Cardini, A; Carniti, P; Carvalho Akiba, K; Casais Vidal, A; Casse, G; Cattaneo, M; Cavallero, G; Cenci, R; Cerasoli, J; Chapman, MG; Charles, M; Charpentier, P; Chatzikonstantinidis, G; Chefdeville, M; Chekalina, V; Chen, C; Chen, S; Chernov, A; Chitic, S-G; Chobanova, V; Chrzaszcz, M; Chubykin, A; Ciambrone, P; Cicala, MF; Cid Vidal, X; Ciezarek, G; Cindolo, F; Clarke, PEL; Clemencic, M; Cliff, HV; Closier, J; Cobbledick, JL; Coco, V; Coelho, JAB; Cogan, J; Cogneras, E; Cojocariu, L; Collins, P; Colombo, T; Comerma-Montells, A; Contu, A; Cooke, N; Coombs, G; Coquereau, S; Corti, G; Costa Sobral, CM; Couturier, B; Cowan, GA; Craik, DC; Crocombe, A; Cruz Torres, M; Currie, R; Da Silva, CL; Dall’Occo, E; Dalseno, J; D’Ambrosio, C; Danilina, A; d’Argent, P; 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; de Vries, JA; Dean, CT; Dean, W; Decamp, D; Del Buono, L; Delaney, B; Dembinski, H-P; Demmer, M; Dendek, A; Denysenko, V; Derkach, D; Deschamps, O; Desse, F; Dettori, F; Dey, B; Di Canto, A; Di Nezza, P; Didenko, S; Dijkstra, H; Dordei, F; Dorigo, M; dos Reis, AC; Dosil Suárez, A; Douglas, L; Dovbnya, A; Dreimanis, K; Dudek, MW; Dufour, L; Dujany, G; Durante, P; Durham, JM; Dutta, D; Dzhelyadin, R; Dziewiecki, M; Dziurda, A; Dzyuba, A; Easo, S; Egede, U; Egorychev, V; Eidelman, S; Eisenhardt, S; Ekelhof, R; Ek-In, S; Eklund, L; Ely, S; Ene, A; Escher, S; Esen, S; Evans, T; Falabella, A; Fan, J; Farley, N; Farry, S; Fazzini, D; Féo, M; Fernandez Declara, P; Fernandez Prieto, A; Ferrari, F; Ferreira Lopes, L; Ferreira Rodrigues, F; Ferreres Sole, S; Ferro-Luzzi, M; Filippov, S; Fini, RA; Fiorini, M; Firlej, M; Fischer, KM; Fitzpatrick, C; Fiutowski, T; Fleuret, F; Fontana, M; Fontanelli, F; Forty, R; Franco Lima, V; Franco Sevilla, M; Frank, M; Frei, C; Friday, DA; Fu, J; Funk, W; Gabriel, E; Gallas Torreira, A; Galli, D; Gallorini, S; Gambetta, S; Gan, Y; Gandelman, M; Gandini, P; Gao, Y; Garcia Martin, LM; García Pardiñas, J; Garcia Plana, B; Garcia Rosales, FA; Garra Tico, J; Garrido, L; Gascon, D; Gaspar, C; Gazzoni, G; Gerick, D; Gersabeck, E; Gersabeck, M; Gershon, T; Gerstel, D; Ghez, P; Gibson, V; Gioventù, A; Girard, OG; Gironella Gironell, P; Giubega, L; Giugliano, C; Gizdov, K; Gligorov, VV; Göbel, C; Golubkov, D; Golutvin, A; Gomes, A; Gorelov, IV; Gotti, C; Govorkova, E; Grabowski, JP; Graciani Diaz, R; Grammatico, T; Granado Cardoso, LA; Graugés, E; Graverini, E; Graziani, G; Grecu, A; Greim, R; Griffith, P; Grillo, L; Gruber, L; Gruberg Cazon, BR; Gu, C; Gushchin, E; Guth, A; Guz, Y; Gys, T; Hadavizadeh, T; Hadjivasiliou, C; Haefeli, G; Haen, C; Haines, SC; Hamilton, PM; Han, Q; Han, X; Hancock, TH; Hansmann-Menzemer, S; Harnew, N; Harrison, T; Hart, R; Hasse, C; Hatch, M; He, J; Hecker, M; Heijhoff, K; Heinicke, K; Heister, A; Hennequin, AM; Hennessy, K; Henry, L; Heß, M; Heuel, J; Hicheur, A; Hidalgo Charman, R; Hill, D; Hilton, M; Hopchev, PH; Hu, J; Hu, W; Huang, W; Huard, ZC; Hulsbergen, W; Humair, T; Hunter, RJ; Hushchyn, M; Hutchcroft, D; Hynds, D; Ibis, P; Idzik, M; Ilten, P; Inglessi, A; Inyakin, A; Ivshin, K; Jacobsson, R; Jakobsen, S; Jalocha, J; Jans, E; Jashal, BK; Jawahery, A; Jevtic, V; Jiang, F; John, M; Johnson, D; Jones, CR; Jost, B; Jurik, N; Kandybei, S; Karacson, M; Kariuki, JM; Karodia, S; Kazeev, N; Kecke, M; Keizer, F; Kelsey, M; Kenzie, M; Ketel, T; Khanji, B; Kharisova, A; Khurewathanakul, C; Kim, KE; Kirn, T; Kirsebom, VS; Klaver, S; Klimaszewski, K; Koliiev, S; Kondybayeva, A; Konoplyannikov, A; Kopciewicz, P; Kopecna, R; Koppenburg, P; Kostiuk, I; Kot, O; Kotriakhova, S; Kozeiha, M; Kravchuk, L; Krawczyk, RD; Kreps, M; Kress, F; Kretzschmar, S; Krokovny, P; Krupa, W; Krzemien, W; Kucewicz, W; Kucharczyk, M; Kudryavtsev, V; Kuindersma, HS; Kunde, GJ; Kuonen, AK; Kvaratskheliya, T; Lacarrere, D; Lafferty, G; Lai, A; Lancierini, D; Lane, JJ; Lanfranchi, G; Langenbruch, C; Latham, T; Lazzari, F; Lazzeroni, C; Le Gac, R; Lefèvre, R; Leflat, A; Lemaitre, F; Leroy, O; Lesiak, T; Leverington, B; Li, H; Li, P-R; Li, X; Li, Y; Li, Z; Liang, X; Lindner, R; Lionetto, F; Lisovskyi, V; Liu, G; Liu, X; Loh, D; Loi, A; Lomba Castro, J; Longstaff, I; Lopes, JH; Loustau, G; Lovell, GH; Lucchesi, D; Lucio Martinez, M; Luo, Y; Lupato, A; Luppi, E; Lupton, O; Lusiani, A; Lyu, X; Maccolini, S; Machefert, F; Maciuc, F; Macko, V; Mackowiak, P; Maddrell-Mander, S; Madhan Mohan, LR; Maev, O; Maevskiy, A; Maguire, K; Maisuzenko, D; Majewski, MW; Malde, S; Malecki, B; Malinin, A; Maltsev, T; Malygina, H; Manca, G; Mancinelli, G; Manera Escalero, R; Manuzzi, D; Marangotto, D; Maratas, J; Marchand, JF; Marconi, U; Mariani, S; Marin Benito, C; Marinangeli, M; Marino, P; Marks, J; Marshall, PJ; Martellotti, G; Martinazzoli, L; Martinelli, M; Martinez Santos, D; Martinez Vidal, F; Massafferri, A; Materok, M; Matev, R; Mathad, A; Mathe, Z; Matiunin, V; Matteuzzi, C; Mattioli, KR; Mauri, A; Maurice, E; McCann, M; Mcconnell, L; McNab, A; McNulty, R; Mead, JV; Meadows, B; Meaux, C; Meinert, N; Melnychuk, D; Meloni, S; Merk, M; Merli, A; Michielin, E; Milanes, DA; Millard, E; Minard, M-N; Mineev, O; Minzoni, L; Mitchell, SE; Mitreska, B; Mitzel, DS; Mödden, A; Mogini, A; Moise, RD; Mombächer, T; Monroy, IA; Monteil, S; Morandin, M; Morello, G; Morello, MJ; Moron, J; Morris, AB; Morris, AG; Mountain, R; Mu, H; Muheim, F; Mukherjee, M; Mulder, M; Müller, D; Müller, J; Müller, K; Müller, V; Murphy, CH; Murray, D; Muzzetto, P; Naik, P; Nakada, T; Nandakumar, R; Nandi, A; Nanut, T; Nasteva, I; Needham, M; Neri, N; Neubert, S; Neufeld, N; Newcombe, R; Nguyen, TD; Nguyen-Mau, C; Niel, EM; Nieswand, S; Nikitin, N; Nolte, NS; Oblakowska-Mucha, A; Obraztsov, V; Ogilvy, S; O’Hanlon, DP; Oldeman, R; Onderwater, CJG; Osborn, JD; Ossowska, A; Otalora Goicochea, JM; Ovsiannikova, T; Owen, P; Oyanguren, A; Pais, PR; Pajero, T; Palano, A; Palutan, M; Panshin, G; Papanestis, A; Pappagallo, M; Pappalardo, LL; Parker, W; Parkes, C; Passaleva, G; Pastore, A; Patel, M; Patrignani, C; Pearce, A; Pellegrino, A; Penso, G; Pepe Altarelli, M; Perazzini, S; Pereima, D; Perret, P; Pescatore, L; Petridis, K; Petrolini, A; Petrov, A; Petrucci, S; Petruzzo, M; Pietrzyk, B; Pietrzyk, G; Pikies, M; Pili, M; Pinci, D; Pinzino, J; Pisani, F; Piucci, A; Placinta, V; Playfer, S; Plews, J; Plo Casasus, M; Polci, F; Poli Lener, M; Poliakova, M; Poluektov, A; Polukhina, N; Polyakov, I; Polycarpo, E; Pomery, GJ; Ponce, S; Popov, A; Popov, D; Poslavskii, S; Prasanth, K; Promberger, L; Prouve, C; Pugatch, V; Puig Navarro, A; Pullen, H; Punzi, G; Qian, W; Qin, J; Quagliani, R; Quintana, B; Raab, NV; Rachwal, B; Rademacker, JH; Rama, M; Ramos Pernas, M; Rangel, MS; Ratnikov, F; Raven, G; Ravonel Salzgeber, M; Reboud, M; Redi, F; Reichert, S; Reiss, F; Remon Alepuz, C; Ren, Z; Renaudin, V; Ricciardi, S; Richards, S; Rinnert, K; Robbe, P; Robert, A; Rodrigues, AB; Rodrigues, E; Rodriguez Lopez, JA; Roehrken, M; Roiser, S; Rollings, A; Romanovskiy, V; Romero Lamas, M; Romero Vidal, A; Roth, JD; Rotondo, M; Rudolph, MS; Ruf, T; Ruiz Vidal, J; Ryzka, J; Saborido Silva, JJ; Sagidova, N; Saitta, B; Sanchez Gras, C; Sanchez Mayordomo, C; Sanmartin Sedes, B; Santacesaria, R; Santamarina Rios, C; Santangelo, P; Santimaria, M; Santovetti, E; Sarpis, G; Sarti, A; Satriano, C; Satta, A; Saur, M; Savrina, D; Scantlebury Smead, LG; Schael, S; Schellenberg, M; Schiller, M; Schindler, H; Schmelling, M; Schmelzer, T; Schmidt, B; Schneider, O; Schopper, A; Schreiner, HF; Schubiger, M; Schulte, S; Schune, MH; Schwemmer, R; Sciascia, B; Sciubba, A; Sellam, S; Semennikov, A; Sergi, A; Serra, N; Serrano, J; Sestini, L; Seuthe, A; Seyfert, P; Shangase, DM; Shapkin, M; Shears, T; Shekhtman, L; Shevchenko, V; Shmanin, E; Shupperd, JD; Siddi, BG; Silva Coutinho, R; Silva de Oliveira, L; Simi, G; Simone, S; Skiba, I; Skidmore, N; Skwarnicki, T; Slater, MW; Smeaton, JG; Smith, E; Smith, IT; Smith, M; Soares, M; Soares Lavra, L; Sokoloff, MD; Soler, FJP; Souza De Paula, B; Spaan, B; Spadaro Norella, E; Spradlin, P; Stagni, F; Stahl, M; Stahl, S; Stefko, P; Stefkova, S; Steinkamp, O; Stemmle, S; Stenyakin, O; Stepanova, M; Stevens, H; Stocchi, A; Stone, S; Stracka, S; Stramaglia, ME; Straticiuc, M; Straumann, U; Strokov, S; Sun, J; Sun, L; Sun, Y; Svihra, P; Swientek, K; Szabelski, A; Szumlak, T; Szymanski, M; Taneja, S; Tang, Z; Tekampe, T; Tellarini, G; Teubert, F; Thomas, E; Thomson, KA; Tilley, MJ; Tisserand, V; T’Jampens, S; Tobin, M; Tolk, S; Tomassetti, L; Tonelli, D; Tou, DY; Tournefier, E; Traill, M; Tran, MT; Trisovic, A; Tsaregorodtsev, A; Tuci, G; Tully, A; Tuning, N; Ukleja, A; Usachov, A; Ustyuzhanin, A; Uwer, U; Vagner, A; Vagnoni, V; Valassi, A; Valat, S; Valenti, G; van Beuzekom, M; Van Hecke, H; van Herwijnen, E; Van Hulse, CB; van Tilburg, J; van Veghel, M; Vazquez Gomez, R; Vazquez Regueiro, P; Vázquez Sierra, C; Vecchi, S; Velthuis, JJ; Veltri, M; Venkateswaran, A; Vernet, M; Veronesi, M; Vesterinen, M; Viana Barbosa, JV; Vieira, D; Vieites Diaz, M; Viemann, H; Vilasis-Cardona, X; Vitkovskiy, A; Volkov, V; Vollhardt, A; Vom Bruch, D; Voneki, B; Vorobyev, A; Vorobyev, V; Voropaev, N; Waldi, R; Walsh, J; Wang, J; Wang, J; Wang, M; Wang, Y; Wang, Z; Ward, DR; Wark, HM; Watson, NK; Websdale, D; Weiden, A; Weisser, C; Westhenry, BDC; White, DJ; Whitehead, M; Wiedner, D; Wilkinson, G; Wilkinson, M; Williams, I; Williams, M; Williams, MRJ; Williams, T; Wilson, FF; Winn, M; Wislicki, W; Witek, M; Wormser, G; Wotton, SA; Wu, H; Wyllie, K; Xiang, Z; Xiao, D; Xie, Y; Xing, H; Xu, A; Xu, L; Xu, M; Xu, Q; Xu, Z; Xu, Z; Yang, Z; Yang, Z; Yao, Y; Yeomans, LE; Yin, H; Yu, J; Yuan, X; Yushchenko, O; Zarebski, KA; Zavertyaev, M; Zdybal, M; Zeng, M; Zhang, D; Zhang, L; Zhang, S; Zhang, WC; Zhang, Y; Zhelezov, A; Zheng, Y; Zhou, X; Zhou, Y; Zhu, X; Zhukov, V; Zonneveld, JB; Zucchelli, Sen_US
dspace.date.submission2021-03-26T14:49:24Z
mit.journal.volume123en_US
mit.journal.issue15en_US
mit.licensePUBLISHER_CC
mit.metadata.statusPublication Information Neededen_US


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