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Observation of New Ξ_{c}^{0} Baryons Decaying to Λ_{c}^{+}K^{-}
| File | Description | Size | Format | |
|---|---|---|---|---|
 PhysRevLett.124.222001.pdf | Published version | 531.54 kB | Adobe PDF | View/Open |
| Title: | Observation of New Ξ_{c}^{0} Baryons Decaying to Λ_{c}^{+}K^{-} |
| Authors: | Aaij, R Abellán Beteta, C Ackernley, T Adeva, B Adinolfi, M Afsharnia, H Aidala, CA Aiola, S Ajaltouni, Z Akar, S 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 Artamonov, A Artuso, M Arzymatov, K Aslanides, E Atzeni, M Audurier, B Bachmann, S Back, JJ Baker, S Balagura, V Baldini, W Baptista Leite, J Barlow, RJ Barsuk, S Barter, W Bartolini, M Baryshnikov, F Basels, JM Bassi, G Batozskaya, V Batsukh, B Battig, A Bay, A Becker, M Bedeschi, F Bediaga, I Beiter, A Belavin, V Belin, S Bellee, V Belous, K Belyaev, I Bencivenni, G Ben-Haim, E Benson, S Berezhnoy, A Bernet, R Berninghoff, D Bernstein, HC Bertella, C Bertholet, E Bertolin, A Betancourt, C Betti, F Bettler, MO Bezshyiko, I Bhasin, S Bhom, J Bieker, MS Bifani, S Billoir, P 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 Bowcock, TJV Boyer, A Bozzi, C Bradley, MJ Braun, S Brea Rodriguez, A Brodski, M Brodzicka, J Brossa Gonzalo, A Brundu, D Buchanan, E Büchler-Germann, A Buonaura, A Burr, C Bursche, A Butkevich, A Butter, JS Buytaert, J Byczynski, W Cadeddu, S Cai, H Calabrese, R Calero Diaz, L Cali, S Calladine, R Calvi, M Calvo Gomez, M Camargo Magalhaes, P Camboni, A Campana, P Campora Perez, DH Campoverde Quezada, AF Capriotti, L Carbone, A Carboni, G Cardinale, R Cardini, A Carli, I Carniti, P Carvalho Akiba, K Casais Vidal, A Casse, G Cattaneo, M Cavallero, G Celani, S 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 Cholak, S Chrzaszcz, M Chubykin, A Chulikov, V 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 Contu, A Cooke, N Coombs, G Coquereau, S Corti, G Costa Sobral, CM Couturier, B Craik, DC Crkovská, J 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 Dendek, A Denysenko, V Derkach, D Deschamps, O Desse, F Dettori, F Dey, B Di Canto, A Di Nezza, P Didenko, S Dijkstra, H Dobishuk, V Dordei, F Dorigo, M Dos Reis, AC Douglas, L Dovbnya, A Dreimanis, K Dudek, MW Dufour, L Durante, P Durham, JM Dutta, D Dziewiecki, M Dziurda, A Dzyuba, A Easo, S Egede, U Egorychev, V Eidelman, S Eisenhardt, S Ek-In, S Eklund, L Ely, S Ene, A Epple, E Escher, S Eschle, J Esen, S Evans, T Falabella, A Fan, J Fan, Y Farley, N Farry, S Fazzini, D Fedin, P Féo, M Fernandez Declara, P Fernandez Prieto, A Ferrari, F Ferreira Lopes, L Ferreira Rodrigues, F Ferreres Sole, S Ferrillo, M 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 Fuehring, Q Funk, W Gabriel, E Gaintseva, T 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 Garrido, L Gascon, D Gaspar, C Gerick, D Gersabeck, E Gersabeck, M Gershon, T Gerstel, D Ghez, P Gibson, V Gioventù, A Gironella Gironell, P Giubega, L Giugliano, C Gizdov, K Gligorov, VV Göbel, C Golobardes, E Golubkov, D Golutvin, A Gomes, A Gorbounov, P 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 Guarise, M Gushchin, E Guth, A Guz, Y Gys, T Günther, PA Hadavizadeh, T 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 Hennequin, AM Hennessy, K Henry, L Heuel, J Hicheur, A Hill, D Hilton, M Hopchev, PH Hu, J Hu, J Hu, W Huang, W Hulsbergen, W Humair, T Hunter, RJ Hushchyn, M Hutchcroft, D Hynds, D Ibis, P Idzik, M Ilten, P Inglessi, A Ivshin, K Jacobsson, R Jakobsen, S 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 Kazeev, N Kecke, M Keizer, F Kelsey, M Kenzie, M Ketel, T Khanji, B Kharisova, A Kim, KE Kirn, T Kirsebom, VS Klaver, S Klimaszewski, K Koliiev, S Kondybayeva, A Konoplyannikov, A Kopciewicz, P Kopecna, R Koppenburg, P Korolev, M Kostiuk, I Kot, O Kotriakhova, S 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 Kvaratskheliya, T Lacarrere, D Lafferty, G Lai, A Lancierini, D Lane, JJ Lanfranchi, G Langenbruch, C Lantwin, O Latham, T Lazzari, F Le Gac, R Lee, SH Lefèvre, R Leflat, A Leroy, O Lesiak, T Leverington, B Li, H Li, L Li, X Li, Y Li, Z Liang, X Lin, T Lindner, R Lisovskyi, V Liu, G Liu, X Loh, D Loi, A Lomba Castro, J Longstaff, I Lopes, JH Loustau, G Lovell, GH Lu, Y 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 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 Meier, G Meinert, N Melnychuk, D Meloni, S Merk, M Merli, A Meyer Garcia, L Mikhasenko, M 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, K Murphy, CH Murray, D Muzzetto, P Naik, P Nakada, T Nandakumar, R Nanut, T Nasteva, I Needham, M Neri, I Neri, N Neubert, S Neufeld, N Newcombe, R Nguyen, TD Nguyen-Mau, C Niel, EM Nieswand, S Nikitin, N Nolte, NS Nunez, C 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 Pappenheimer, C Parker, W Parkes, C Parkinson, CJ Passaleva, G Pastore, A Patel, M Patrignani, C Pearce, A Pellegrino, A Pepe Altarelli, M Perazzini, S Pereima, D Perret, P Petridis, K Petrolini, A Petrov, A Petrucci, S Petruzzo, M Pietrzyk, B Pietrzyk, G 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 Rabadan Trejo, RI Rachwal, B Rademacker, JH Rama, M Ramos Pernas, M Rangel, MS Ratnikov, F Raven, G Reboud, M Redi, F Reiss, F Remon Alepuz, C Ren, Z Renaudin, V Ricciardi, S Richards, DS Richards, S Rinnert, K Robbe, P Robert, A Rodrigues, AB Rodrigues, E Rodriguez Lopez, JA Roehrken, M Rollings, A Romanovskiy, V Romero Lamas, M Romero Vidal, A Roth, JD Rotondo, M Rudolph, MS Ruf, T Ruiz Vidal, J Ryzhikov, A Ryzka, J Saborido Silva, JJ Sagidova, N Sahoo, N Saitta, B Sanchez Gras, C Sanchez Mayordomo, C Santacesaria, R Santamarina Rios, C Santimaria, M Santovetti, E Sarpis, G Sarpis, M 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 Shchutska, L 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 Smetkina, A Smith, E Smith, IT Smith, M Snoch, A 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 Steinkamp, O Stemmle, S Stenyakin, O Stepanova, M Stevens, H Stone, S Stracka, S Stramaglia, ME Straticiuc, M Strokov, S Sun, J Sun, L Sun, Y Svihra, P Swientek, K Szabelski, A Szumlak, T Szymanski, M Taneja, S Tang, Z Tekampe, T Teubert, F Thomas, E Thomson, KA Tilley, MJ Tisserand, V T'Jampens, S Tobin, M Tolk, S Tomassetti, L Torres Machado, D Tou, DY Tournefier, E Traill, M Tran, MT Trifonova, E Trippl, C Tsaregorodtsev, A Tuci, G Tully, A Tuning, N Ukleja, A Usachov, A Ustyuzhanin, A Uwer, U Vagner, A Vagnoni, V Valassi, A Valenti, G Van Beuzekom, M Van Hecke, H Van Herwijnen, E Van Hulse, CB Van Veghel, M Vazquez Gomez, R Vazquez Regueiro, P Vázquez Sierra, C Vecchi, S Velthuis, JJ Veltri, M Venkateswaran, A Veronesi, M Vesterinen, M Viana Barbosa, JV Vieira, D Vieites Diaz, M Viemann, H Vilasis-Cardona, X Vitali, G Vitkovskiy, A Vollhardt, A Vom Bruch, D Vorobyev, A Vorobyev, V Voropaev, N Waldi, R Walsh, J Wang, 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 Wislicki, W Witek, M Witola, L Wormser, G Wotton, SA Wu, H Wyllie, K Xiang, Z Xiao, D Xie, Y Xing, H Xu, A Xu, J 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, S LHCb Collaboration |
| Item Type: | Journal Article |
| Abstract: | The Λ_{c}^{+}K^{-} mass spectrum is studied with a data sample of pp collisions at a center-of-mass energy of 13 TeV corresponding to an integrated luminosity of 5.6 fb^{-1} collected by the LHCb experiment. Three Ξ_{c}^{0} states are observed with a large significance and their masses and natural widths are measured to be m[Ξ_{c}(2923)^{0}]=2923.04±0.25±0.20±0.14 MeV, Γ[Ξ_{c}(2923)^{0}]=7.1±0.8±1.8 MeV, m[Ξ_{c}(2939)^{0}]=2938.55±0.21±0.17±0.14 MeV, Γ[Ξ_{c}(2939)^{0}]=10.2±0.8±1.1 MeV, m[Ξ_{c}(2965)^{0}]=2964.88±0.26±0.14±0.14 MeV, Γ[Ξ_{c}(2965)^{0}]=14.1±0.9±1.3 MeV, where the uncertainties are statistical, systematic, and due to the limited knowledge of the Λ_{c}^{+} mass. The Ξ_{c}(2923)^{0} and Ξ_{c}(2939)^{0} baryons are new states. The Ξ_{c}(2965)^{0} state is in the vicinity of the known Ξ_{c}(2970)^{0} baryon; however, their masses and natural widths differ significantly. |
| Issue Date: | 5-Jun-2020 |
| Date of Acceptance: | 6-May-2020 |
| URI: | http://hdl.handle.net/10044/1/80177 |
| DOI: | 10.1103/PhysRevLett.124.222001 |
| ISSN: | 0031-9007 |
| Publisher: | American Physical Society |
| Start Page: | 222001 |
| End Page: | 222001 |
| Journal / Book Title: | Physical Review Letters |
| Volume: | 124 |
| Issue: | 22 |
| Copyright Statement: | © 2020 CERN, for the LHCb Collaboration. Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3. |
| Keywords: | LHCb Collaboration hep-ex hep-ex General Physics 01 Mathematical Sciences 02 Physical Sciences 09 Engineering |
| Publication Status: | Published |
| Conference Place: | United States |
| Open Access location: | https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.124.222001 |
| Article Number: | ARTN 222001 |
| Appears in Collections: | Physics High Energy Physics |