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ORCID: 0000-0003-0533-1952, Abdelmotteleb, ASW ORCID: 0000-0001-7905-0542, Abellan Beteta, C, Abudinén, F ORCID: 0000-0002-6737-3528, Ackernley, T ORCID: 0000-0002-5951-3498, Adeva, B ORCID: 0000-0001-9756-3712, Adinolfi, M ORCID: 0000-0002-1326-1264, Afsharnia, H, Agapopoulou, C ORCID: 0000-0002-2368-0147, Aidala, CA ORCID: 0000-0001-9540-4988 et al (show 90 more authors) , Aiola, S ORCID: 0000-0001-6209-7627, Ajaltouni, Z, Akar, S ORCID: 0000-0003-0288-9694, Akiba, K ORCID: 0000-0002-6736-471X, Albrecht, J ORCID: 0000-0001-8636-1621, Alessio, F ORCID: 0000-0001-5317-1098, Alexander, M ORCID: 0000-0002-8148-2392, Alfonso Albero, A ORCID: 0000-0001-6025-0675, Aliouche, Z ORCID: 0000-0003-0897-4160, Alvarez Cartelle, P ORCID: 0000-0003-1652-2834, Amato, S ORCID: 0000-0002-3277-0662, Amey, JL ORCID: 0000-0002-2597-3808, Amhis, Y ORCID: 0000-0003-4282-1512, An, L ORCID: 0000-0002-3274-5627, Anderlini, L ORCID: 0000-0001-6808-2418, Andersson, M ORCID: 0000-0003-3594-9163, Andreianov, A ORCID: 0000-0002-6273-0506, Andreotti, M ORCID: 0000-0003-2918-1311, Andreou, D ORCID: 0000-0001-6288-0558, Ao, D ORCID: 0000-0003-1647-4238, Archilli, F ORCID: 0000-0002-1779-6813, Artamonov, A ORCID: 0000-0002-2785-2233, Artuso, M ORCID: 0000-0002-5991-7273, Aslanides, E ORCID: 0000-0003-3286-683X, Atzeni, M ORCID: 0000-0002-3208-3336, Audurier, B ORCID: 0000-0001-9090-4254, Bachmann, S ORCID: 0000-0002-1186-3894, Bachmayer, M ORCID: 0000-0001-5996-2747, Back, JJ ORCID: 0000-0001-7791-4490, Bailly-Reyre, A, Baladron Rodriguez, P ORCID: 0000-0003-4240-2094, Balagura, V ORCID: 0000-0002-1611-7188, Baldini, W ORCID: 0000-0001-7658-8777, Baptista De Souza Leite, J ORCID: 0000-0002-4442-5372, Barbetti, M ORCID: 0000-0002-6704-6914, Barlow, RJ ORCID: 0000-0002-8295-8612, Barsuk, S ORCID: 0000-0002-0898-6551, Barter, W ORCID: 0000-0002-9264-4799, Bartolini, M ORCID: 0000-0002-8479-5802, Baryshnikov, F ORCID: 0000-0002-6418-6428, Basels, JM ORCID: 0000-0001-5860-8770, Bassi, G ORCID: 0000-0002-2145-3805, Batsukh, B ORCID: 0000-0003-1020-2549, Battig, A ORCID: 0009-0001-6252-960X, Bay, A ORCID: 0000-0002-4862-9399, Beck, A ORCID: 0000-0003-4872-1213, Becker, M ORCID: 0000-0002-7972-8760, Bedeschi, F ORCID: 0000-0002-8315-2119, Bediaga, IB ORCID: 0000-0001-7806-5283, Beiter, A, Belavin, V, Belin, S ORCID: 0000-0001-7154-1304, Bellee, V ORCID: 0000-0001-5314-0953, Belous, K ORCID: 0000-0003-0014-2589, Belov, I ORCID: 0000-0003-1699-9202, Belyaev, I ORCID: 0000-0002-7458-7030, Bencivenni, G ORCID: 0000-0002-5107-0610, Ben-Haim, E ORCID: 0000-0002-9510-8414, Berezhnoy, A ORCID: 0000-0002-4431-7582, Bernet, R ORCID: 0000-0002-4856-8063, Berninghoff, D, Bernstein, HC, Bertella, C ORCID: 0000-0002-3160-147X, Bertolin, A ORCID: 0000-0003-1393-4315, Betancourt, C ORCID: 0000-0001-9886-7427, Betti, F ORCID: 0000-0002-2395-235X, Bezshyiko, I ORCID: 0000-0002-4315-6414, Bhasin, S ORCID: 0000-0002-0146-0717, Bhom, J ORCID: 0000-0002-9709-903X, Bian, L ORCID: 0000-0001-5209-5097, Bieker, MS ORCID: 0000-0001-7113-7862, Biesuz, NV ORCID: 0000-0003-3004-0946, Bifani, S ORCID: 0000-0001-7072-4854, Billoir, P ORCID: 0000-0001-5433-9876, Biolchini, A ORCID: 0000-0001-6064-9993, Birch, M ORCID: 0000-0001-9157-4461, Bishop, FCR ORCID: 0000-0002-0023-3897, Bitadze, A ORCID: 0000-0001-7979-1092, Bizzeti, A ORCID: 0000-0001-5729-5530, Bjørn, M, Blago, MP ORCID: 0000-0001-7542-2388, Blake, T ORCID: 0000-0002-0259-5891, Blanc, F ORCID: 0000-0001-5775-3132, Blusk, S ORCID: 0000-0001-9170-684X, Bobulska, D ORCID: 0000-0002-3003-9980, Boelhauve, JA ORCID: 0000-0002-3543-9959, Boente Garcia, O ORCID: 0000-0003-0261-8085, Boettcher, T ORCID: 0000-0002-2439-9955, Boldyrev, A ORCID: 0000-0002-7872-6819 and Bondar, N ORCID: 0000-0003-2714-9879
(2023)
Amplitude analysis of the Λc+ →pK-π+ decay and Λc+ baryon polarization measurement in semileptonic beauty hadron decays
Physical Review D, 108 (1).
012023-.
ISSN 2470-0010, 2470-0029
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Abstract
An amplitude analysis of Λc+→pK-π+ decays together with a measurement of the Λc+ polarization vector in semiōleptonic beauty hadron decays is presented. A sample of 400 000 candidates is selected from proton-proton collisions recorded by the LHCb detector at a center-of-mass energy of 13 TeV. An amplitude model is developed and the resonance fractions as well as two- and three-body decay parameters are reported. The mass and width of the Λ(2000) state are also determined. A significant Λc+ polarization is found. A large sensitivity of the Λc+→pK-π+ decay to the polarization is seen, making the amplitude model suitable for Λc+ polarization measurements in other systems.
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