Observation of muonic Dalitz decays of $χ_{b}$ mesons and precise spectroscopy of hidden-beauty states
Creators: name: LHCb Collaboration
name: Aaij, R.
name: Abdelmotteleb, A. S. W.
name: Beteta, C. Abellan
name: Abudinén, F.
name: Ackernley, T.
name: Adefisoye, A. A.
name: Adeva, B.
name: Adinolfi, M.
name: Adlarson, P.
name: Agapopoulou, C.
name: Aidala, C. A.
name: Ajaltouni, Z.
name: Akar, S.
name: Akiba, K.
name: Albicocco, P.
name: Albrecht, J.
name: Alessio, F.
name: Alexander, M.
name: Aliouche, Z.
name: Cartelle, P. Alvarez
name: Amalric, R.
name: Amato, S.
name: Amey, J. L.
name: Amhis, Y.
name: An, L.
name: Anderlini, L.
name: Andersson, M.
name: Andreianov, A.
name: Andreola, P.
name: Andreotti, M.
name: Andreou, D.
name: Anelli, A.
name: Ao, D.
name: Archilli, F.
name: Argenton, M.
name: Cuendis, S. Arguedas
name: Artamonov, A.
name: Artuso, M.
name: Aslanides, E.
name: Da Silva, R. Ataíde
name: Atzeni, M.
name: Audurier, B.
name: Bacher, D.
name: Perea, I. Bachiller
name: Bachmann, S.
name: Bachmayer, M.
name: Back, J. J.
name: Rodriguez, P. Baladron
name: Balagura, V.
name: Baldini, W.
name: Balzani, L.
name: Bao, H.
name: Leite, J. Baptista de Souza
name: Pretel, C. Barbero
name: Barbetti, M.
name: Barbosa, I. R.
name: Barlow, R. J.
name: Barnyakov, M.
name: Barsuk, S.
name: Barter, W.
name: Bartolini, M.
name: Bartz, J.
name: Basels, J. M.
name: Bashir, S.
name: Bassi, G.
name: Batsukh, B.
name: Battista, P. B.
name: Bay, A.
name: Beck, A.
name: Becker, M.
name: Bedeschi, F.
name: Bediaga, I. B.
name: Behling, N. B.
name: Belin, S.
name: Bellee, V.
name: Belous, K.
name: Belov, I.
name: Belyaev, I.
name: Benane, G.
name: Bencivenni, G.
name: Ben-Haim, E.
name: Berezhnoy, A.
name: Bernet, R.
name: Andres, S. Bernet
name: Bertolin, A.
name: Betancourt, C.
name: Betti, F.
name: Bex, J.
name: Bezshyiko, Ia.
name: Bhom, J.
name: Bieker, M. S.
name: Biesuz, N. V.
name: Billoir, P.
name: Biolchini, A.
name: Birch, M.
name: Bishop, F. C. R.
name: Bitadze, A.
name: Bizzeti, A.
name: Blake, T.
name: Blanc, F.
name: Blank, J. E.
name: Blusk, S.
name: Bocharnikov, V.
name: Boelhauve, J. A.
name: Garcia, O. Boente
name: Boettcher, T.
name: Bohare, A.
name: Boldyrev, A.
name: Bolognani, C. S.
name: Bolzonella, R.
name: Bondar, N.
name: Bordelius, A.
name: Borgato, F.
name: Borghi, S.
name: Borsato, M.
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name: Bouchiba, S. A.
name: Bovill, M.
name: Bowcock, T. J. V.
name: Boyer, A.
name: Bozzi, C.
name: Rodriguez, A. Brea
name: Breer, N.
name: Brodzicka, J.
name: Gonzalo, A. Brossa
name: Brown, J.
name: Brundu, D.
name: Buchanan, E.
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name: Gomez, M. Calvo
name: Magalhaes, P. Camargo
name: Bouzas, J. I. Cambon
name: Campana, P.
name: Perez, D. H. Campora
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name: Chadwick, A. J.
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name: Chatzianagnostou, E.
name: Chefdeville, M.
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name: Chen, Z.
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name: Chernyshenko, S.
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Publisher: name: arXiv
Year: 2024
Subjects: subject: High Energy Physics - Experiment (hep-ex)
subject: FOS: Physical sciences
subject: FOS: Physical sciences

description: The decays of the $χ_{b1}(1P)$, $χ_{b2}(1P)$, $χ_{b1}(2P)$ and $χ_{b2}(2P)$ mesons into the $Υ(1S)μ^+μ^-$ final state are observed with a high significance using proton-proton collision data collected with the LHCb detector and corresponding to an integrated luminosity of 9fb$^{-1}$. The newly observed decays together with the $Υ(2S)\rightarrow Υ(1S)π^+π^-$ and $Υ(3S)\rightarrow Υ(2S)π^+π^-$ decay modes are used for precision measurements of the mass and mass splittings for the hidden-beauty states.
description: All figures and tables, along with any supplementary material and additional information, are available at https://lbfence.cern.ch/alcm/public/analysis/full-details/3633