Study of charmonium decays to K0SKπ in the B → (K0SKπ)K channels

A study of the B+→K0SK+K−π+ and B+→K0SK+K+π− decays is performed using proton-proton collisions at center-of-mass energies of 7, 8 and 13 TeV at the LHCb experiment. The K0SKπ invariant mass spectra from both decay modes reveal a rich content of charmonium resonances. New precise measurements of the...

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Hauptverfasser: Aaij, Roel (VerfasserIn) , Bachmann, Sebastian (VerfasserIn) , Berninghoff, Daniel (VerfasserIn) , Borsato, Martino (VerfasserIn) , Caspary, Rowina (VerfasserIn) , Frau, Giulia (VerfasserIn) , Gerick, David (VerfasserIn) , Günther, Paul André (VerfasserIn) , Han, Xiaoxue (VerfasserIn) , Hansmann-Menzemer, Stephanie (VerfasserIn) , Hu, Jiangqiao (VerfasserIn) , Kopecná, Renata (VerfasserIn) , Kubat, Jakub (VerfasserIn) , Leverington, Blake (VerfasserIn) , Marks, Jörg (VerfasserIn) , Mikhasenko, Mikhail (VerfasserIn) , Morgenthaler, Maurice Pierre (VerfasserIn) , Promberger, Laura (VerfasserIn) , Skuza, Raphael (VerfasserIn) , Unverzagt, Daniel Joachim (VerfasserIn) , Uwer, Ulrich (VerfasserIn) , Wang, Chishuai (VerfasserIn) , Zhao, Ya (VerfasserIn) , Zhelezov, Alexey (VerfasserIn)
Körperschaft: LHCb Collaboration (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: 17 August 2023
In: Physical review
Year: 2023, Jahrgang: 108, Heft: 3, Pages: 032010-1-032010-41
ISSN:2470-0029
DOI:10.1103/PhysRevD.108.032010
Online-Zugang:Verlag, kostenfrei, Volltext: https://doi.org/10.1103/PhysRevD.108.032010
Verlag, kostenfrei, Volltext: https://link.aps.org/doi/10.1103/PhysRevD.108.032010
Volltext
Verfasserangaben:R. Aaij et al. (LHCb Collaboration)

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245 1 0 |a Study of charmonium decays to K0SKπ in the B → (K0SKπ)K channels  |c R. Aaij et al. (LHCb Collaboration) 
246 3 3 |a Study of charmonium decays to K zero SK pi in the B → (K zero SK pi)K channels 
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520 |a A study of the B+→K0SK+K−π+ and B+→K0SK+K+π− decays is performed using proton-proton collisions at center-of-mass energies of 7, 8 and 13 TeV at the LHCb experiment. The K0SKπ invariant mass spectra from both decay modes reveal a rich content of charmonium resonances. New precise measurements of the ηc and ηc(2S) resonance parameters are performed and branching fraction measurements are obtained for B+ decays to ηc, J/ψ, ηc(2S) and χc1 resonances. In particular, the first observation and branching fraction measurement of B+→χc0K0π+ is reported as well as first measurements of the B+→K0K+K−π+ and B+→K0K+K+π− branching fractions. Dalitz plot analyses of ηc→K0SKπ and ηc(2S)→K0SKπ decays are performed. A new measurement of the amplitude and phase of the Kπ S-wave as functions of the Kπ mass is performed, together with measurements of the K∗0(1430), K∗0(1950) and a0(1700) parameters. Finally, the branching fractions of χc1 decays to K∗ resonances are also measured. 
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