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Amplitude analysis of B0 → D[bar]0D+sπ− and B+ → D−D+sπ+ decays

Resonant contributions in B0→¯D0D+sπ− and B+→D−D+sπ+ decays are determined with an amplitude analysis, which is performed both separately and simultaneously, where in the latter case isospin symmetry between the decays is assumed. The analysis is based on data collected by the LHCb detector in proto...

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Main Authors: Aaij, Roel (Author) , Archilli, Flavio (Author) , Bachmann, Sebastian (Author) , Borsato, Martino (Author) , Caspary, Rowina (Author) , Frau, Giulia (Author) , Günther, Paul André (Author) , Han, Xiaoxue (Author) , Hansmann-Menzemer, Stephanie (Author) , Hu, Jiangqiao (Author) , Leverington, Blake (Author) , Li, Peilian (Author) , Marks, Jörg (Author) , Unverzagt, Daniel Joachim (Author) , Uwer, Ulrich (Author) , Witola, Lukas (Author) , Zhelezov, Alexey (Author)
Corporate Author: LHCb Collaboration (Author)
Format: Article (Journal)
Language:English
Published: 27 July 2023
In: Physical review
Year: 2023, Volume: 108, Pages: 1-30
ISSN:2470-0029
DOI:10.1103/PhysRevD.108.012017
Online Access:Verlag, kostenfrei, Volltext: https://doi.org/10.1103/PhysRevD.108.012017
Verlag, kostenfrei, Volltext: https://link.aps.org/doi/10.1103/PhysRevD.108.012017
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Author Notes:R. Aaij et al. (LHCb Collaboration)*
Description
Summary:Resonant contributions in B0→¯D0D+sπ− and B+→D−D+sπ+ decays are determined with an amplitude analysis, which is performed both separately and simultaneously, where in the latter case isospin symmetry between the decays is assumed. The analysis is based on data collected by the LHCb detector in proton-proton collisions at center-of-mass energies of 7, 8, and 13 TeV. The full data sample corresponds to an integrated luminosity of 9 fb−1. A doubly charged spin-0 open-charm tetraquark candidate together with a neutral partner, both with masses near 2.9 GeV, are observed in the Dsπ decay channel.
Item Description:*LHCb Collaboration: R. Aaij, F. Archilli, S. Bachmann, M. Borsato, R. Caspary, G. Frau, P.A. Günther, X. Han, S. Hansmann-Menzemer, J. Hu, B. Leverington, P. Li, J. Marks, D.J. Unverzagt, U. Uwer, L. Witola, A. Zhelezov [und 1056 Personen]
Im Titel sind die Zeichen + und - sowie die Zahl 0 hochgestellt und der Buchstabe s tiefgestellt
Im Titel steht der erste Buchstabe D mit einem Oberstrich
Gesehen am 13.02.2024
Physical Description:Online Resource
ISSN:2470-0029
DOI:10.1103/PhysRevD.108.012017

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