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Aaij, R, Abellán Beteta, C, Ackernley, T, Adeva, B, Adinolfi, M, Afsharnia, H, Aidala, CA, Aiola, S 
ORCID: 0000-0001-6209-7627, Ajaltouni, Z, Akar, S et al (show 904 more authors) , 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 ORCID: 0000-0001-7658-8777, Baptista Leite, J, Barlow, RJ, Barsuk, S, Barter, W, Bartolini, M ORCID: 0000-0002-8479-5802, Baryshnikov, F, Basels, JM, Bassi, G, Batozskaya, V, Batsukh, B, Battig, A, Bay, A, Becker, M, Bedeschi, F ORCID: 0000-0002-8315-2119, Bediaga, I, Beiter, A, Belavin, V ORCID: 0000-0003-1526-4968, Belin, S, Bellee, V, Belous, K, Belyaev, I, Bencivenni, G, Ben-Haim, E, Benson, S ORCID: 0000-0003-4819-779X, Berezhnoy, A, Bernet, R, Berninghoff, D, Bernstein, HC, Bertella, C, Bertholet, E, Bertolin, A, Betancourt, C, Betti, F ORCID: 0000-0002-2395-235X, Bettler, MO, 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Cardinale, R, Cardini, A, Carli, I ORCID: 0000-0002-0411-1141, Carniti, P, Carvalho Akiba, K, Casais Vidal, A ORCID: 0000-0003-0469-2588, Casse, G ORCID: 0000-0002-8516-237X, Cattaneo, M, Cavallero, G ORCID: 0000-0002-8342-7047, Celani, S, Cenci, R, Cerasoli, J, Chapman, MG, Charles, M, Charpentier, Ph, 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 ORCID: 0000-0002-0468-541X, Ciezarek, G, Cindolo, F ORCID: 0000-0002-4255-7347, Clarke, PEL, Clemencic, M, Cliff, HV, Closier, J, Cobbledick, JL, Coco, V, Coelho, JAB ORCID: 0000-0001-5615-3899, Cogan, J, Cogneras, E, Cojocariu, L, Collins, P, Colombo, T, Contu, A ORCID: 0000-0002-3545-2969, Cooke, N, Coombs, G, Coquereau, S, Corti, G, Costa Sobral, CM, Couturier, B, Craik, DC, Crkovská, J ORCID: 0000-0002-7946-7580, Crocombe, A, Cruz Torres, M, Currie, R, Da Silva, CL, Dall'Occo, E, 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Lacarrere, D, Lafferty, G, Lai, A, Lancierini, D, Lane, JJ, Lanfranchi, G, Langenbruch, C, Lantwin, O ORCID: 0000-0003-2384-5973, Latham, T ORCID: 0000-0002-7195-8537, 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 ORCID: 0000-0003-4451-214X, 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 ORCID: 0000-0002-1072-5633, 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 ORCID: 0000-0002-4658-6962, Malde, S, Malecki, B ORCID: 0000-0003-0062-1985, Malinin, A, Maltsev, T, Malygina, H, Manca, G ORCID: 0000-0003-1960-4413, Mancinelli, G, Manera Escalero, R, Manuzzi, D, Marangotto, D, Maratas, J ORCID: 0000-0002-7669-1982, 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Ryzhikov, A ORCID: 0000-0002-3543-0313, Ryzka, J, Saborido Silva, JJ ORCID: 0000-0002-6270-130X, Sagidova, N, Sahoo, N, Saitta, B, Sanchez Gras, C ORCID: 0000-0002-7082-887X, Sanchez Mayordomo, C, Santacesaria, R, Santamarina Rios, C ORCID: 0000-0002-9810-1816, 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 ORCID: 0000-0003-3305-0576, Schmelzer, T, Schmidt, B, Schneider, O, Schopper, A, Schreiner, HF, Schubiger, M ORCID: 0000-0001-9330-1440, Schulte, S, Schune, MH, Schwemmer, R, Sciascia, B, Sciubba, A, Sellam, S, Semennikov, A, Sergi, A, Serra, N ORCID: 0000-0002-5033-0580, Serrano, J, Sestini, L, Seuthe, A, Seyfert, P, Shangase, DM, Shapkin, M, Shchutska, L ORCID: 0000-0003-0700-5448, Shears, T ORCID: 0000-0002-2653-1366, Shekhtman, L, Shevchenko, V, Shmanin, E, Shupperd, JD, Siddi, BG, Silva Coutinho, R, Silva de Oliveira, L, Simi, G, 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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 ORCID: 0000-0001-9717-1751, 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 and LHCb Collaboration,
(2020)
Observation of New Ξ_{c}^{0} Baryons Decaying to Λ_{c}^{+}K^{-}.
Physical review letters, 124 (22).
222001-.
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.
| Item Type: |
Article
|
| Additional Information: |
All figures and tables, along with any supplementary material and
additional information, are available at
https://cern.ch/lhcbproject/Publications/p/LHCb-PAPER-2020-004.html |
| Uncontrolled Keywords: |
LHCb Collaboration |
| Divisions: |
Faculty of Science and Engineering > School of Physical Sciences |
| Depositing User: |
Symplectic Admin
|
| Date Deposited: |
01 Sep 2021 08:47 |
| Last Modified: |
18 Jan 2023 21:30 |
| DOI: |
10.1103/physrevlett.124.222001 |
| Related URLs: |
|
| URI: |
https://livrepository.liverpool.ac.uk/id/eprint/3134999 |
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