Evidence for a new structure in the J/ψp and J/ψp̄ systems in B0s→J/ψpp̄ decays
An amplitude analysis of flavor-untagged B0s→J/ψpp̄ decays is performed using a sample of 797±31 decays reconstructed with the LHCb detector. The data, collected in proton-proton collisions between 2011 and 2018, correspond to an integrated luminosity of 9 fb−1. Evidence for a new structure in the...
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| Hauptverfasser: | , , , , , , , , , , , , , , , , , , , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
7 February 2022
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| In: |
Physical review letters
Year: 2022, Jahrgang: 128, Heft: 6, Pages: 1-11 |
| ISSN: | 1079-7114 |
| DOI: | 10.1103/PhysRevLett.128.062001 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevLett.128.062001 Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevLett.128.062001 
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| Verfasserangaben: | the LHCb Collaboration |
MARC
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| 245 | 1 | 0 | |a Evidence for a new structure in the J/ψp and J/ψp̄ systems in B0s→J/ψpp̄ decays |c the LHCb Collaboration |
| 246 | 3 | 3 | |a Evidence for a new structure in the J / psi p and J / psi p̄ systems in B 0 s → J / psi p p̄ decay |
| 264 | 1 | |c 7 February 2022 | |
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| 500 | |a The LHCb Collaboration: R. Aaij, F. Archilli, S. Bachmann, D. Berninghoff, M. Borsato, G. Frau, D. Gerick, J.P. Grabowski, P. A. Günther, X. Han, S. Hansmann-Menzemer, J. Hu, R. Kopecna, B. Leverington, P. Li, H. Malygina, J. Marks, N. Meinert, D.J. Unverzagt, U. Uwer, H. Viemann, R. Waldi, C. Wang, A. Zhelezov [und 975 weitere] | ||
| 500 | |a Gesehen am 03.05.2022 | ||
| 500 | |a Im Titel ist das Zeichen 0 hochgestellt, das s tiefgestellt | ||
| 520 | |a An amplitude analysis of flavor-untagged B0s→J/ψpp̄ decays is performed using a sample of 797±31 decays reconstructed with the LHCb detector. The data, collected in proton-proton collisions between 2011 and 2018, correspond to an integrated luminosity of 9 fb−1. Evidence for a new structure in the J/ψp and J/ψ¯p systems with a mass of 4337+7−4 +2−2 MeV and a width of 29+26−12 +14−14 MeV is found, where the first uncertainty is statistical and the second systematic, with a significance in the range of 3.1 to 3.7σ, depending on the assigned JP hypothesis. | ||
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