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Aaij, R, Abdelmotteleb, ASW, Abellan Beteta, C, Abudinén, F, Ackernley, T 
ORCID: 0000-0002-5951-3498, Adefisoye, AA, Adeva, B, Adinolfi, M, Adlarson, P, Agapopoulou, C et al (show 1120 more authors) , Aidala, CA, Ajaltouni, Z, Akar, S, Akiba, K, Albicocco, P, Albrecht, J, Alessio, F, Alexander, M, Aliouche, Z, Alvarez Cartelle, P, Amalric, R, Amato, S, Amey, JL, 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, Ataíde Da Silva, R, Atzeni, M, Audurier, B, Bacher, D, Bachiller Perea, I, Bachmann, S, Bachmayer, M, Back, JJ, Baladron Rodriguez, P, Balagura, V, Baldini, W, Balzani, L, Bao, H, Baptista de Souza Leite, J, Barbero Pretel, C, Barbetti, M, Barbosa, IR, Barlow, RJ, Barnyakov, M, Barsuk, S, Barter, W, Bartolini, M, Bartz, J, Basels, JM, Bashir, S, Bassi, G, Batsukh, B, Battista, PB, Bay, A, Beck, A, Becker, M, Bedeschi, F, Bediaga, IB, Behling, NA, Belin, S, Bellee, V, Belous, K, Belov, I, Belyaev, I, 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S, Dai, L, Dai, X, Dall'Occo, E, Dalseno, J, D'Ambrosio, C, Daniel, J, Danilina, A, d'Argent, P, Davidson, A ORCID: 0009-0002-0647-2028, Davies, JE, 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, JM, De Paula, L, De Serio, M, De Simone, P, De Vellis, F, de Vries, JA, Debernardis, F, Decamp, D, Dedu, V, Dekkers, S, 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, AD, Dong, C, Donohoe, AM, Dordei, F, Dos Reis, AC, Dowling, AD, Duan, W, Duda, P, Dudek, MW, Dufour, L, Duk, V, Durante, P, Duras, MM, Durham, JM, Durmus, OD, Dziurda, A, Dzyuba, A, Easo, S, Eckstein, E, Egede, U, Egorychev, A, Egorychev, V, Eisenhardt, S, Ejopu, E, Eklund, L, Elashri, M, Ellbracht, J, Ely, S, Ene, A, Epple, E, Eschle, J, Esen, S, Evans, T, Fabiano, F, 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A, Kutsenko, BK, Lacarrere, D, Laguarta Gonzalez, P, Lai, A, Lampis, A, Lancierini, D, Landesa Gomez, C, Lane, JJ, Lane, R, Lanfranchi, G, Langenbruch, C, Langer, J, Lantwin, O, Latham, T, Lazzari, F, Lazzeroni, C, Le Gac, R, Lee, H ORCID: 0009-0003-3006-2149, Lefèvre, R, Leflat, A, Legotin, S, Lehuraux, M, Lemos Cid, E, Leroy, O, Lesiak, T, Leverington, B, Li, A, Li, C, Li, H, Li, K, Li, L, Li, P, Li, P-R, Li, Q, Li, S, Li, T, Li, T, Li, Y, Li, Y, Lian, Z, Liang, X, Libralon, S, Lin, C, Lin, T, Lindner, R, Lisovskyi, V, Litvinov, R, Liu, FL, Liu, G, Liu, K, Liu, S, Liu, W, Liu, Y, Liu, Y, Liu, YL, Lobo Salvia, A, Loi, A, Lomba Castro, J, Long, T, Lopes, JH, Lopez Huertas, A, López Soliño, S, Lu, Q, Lucarelli, C, Lucchesi, D, Lucio Martinez, M, Lukashenko, V, Luo, Y, Lupato, A, Luppi, E, Lynch, K, Lyu, X-R, Ma, GM, Ma, R, Maccolini, S, Machefert, F, Maciuc, F, Mack, B, Mackay, I, Mackey, LM, Madhan Mohan, LR, Madurai, MJ, Maevskiy, A, Magdalinski, D, Maisuzenko, D, Majewski, MW, 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(2024)
Measurement of Λ_{b}^{0}, Λ_{c}^{+}, and Λ Decay Parameters Using Λ_{b}^{0}→Λ_{c}^{+}h^{-} Decays.
Physical review letters, 133 (26).
261804-.
ISSN 0031-9007, 1079-7114
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Abstract
A comprehensive study of the angular distributions in the bottom-baryon decays Λ_{b}^{0}→Λ_{c}^{+}h^{-}(h=π,K), followed by Λ_{c}^{+}→Λh^{+} with Λ→pπ^{-} or Λ_{c}^{+}→pK_{S}^{0} decays, is performed using a data sample of proton-proton collisions corresponding to an integrated luminosity of 9 fb^{-1} collected by the LHCb experiment at center-of-mass energies of 7, 8, and 13 TeV. The decay parameters and the associated charge-parity (CP) asymmetries are measured, with no significant CP violation observed. For the first time, the Λ_{b}^{0}→Λ_{c}^{+}h^{-} decay parameters are measured. The most precise measurements of the decay parameters α, β, and γ are obtained for Λ_{c}^{+} decays and an independent measurement of the decay parameters for the strange-baryon Λ decay is provided. The results deepen our understanding of weak decay dynamics in baryon decays.
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