Observation of J/[psi][phi] structures consistent with exotic states from amplitude analysis of B+→J/[psi][phi]K+ decays
The first full amplitude analysis of B+→J/ψϕK+ with J/ψ→μ+μ−, ϕ→K+K− decays is performed with a data sample of 3 fb−1 of pp collision data collected at √s=7 and 8 TeV with the LHCb detector. The data cannot be described by a model that contains only excited kaon states decaying into ϕK+, and four J/...
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| Hauptverfasser: | , , , , , , , , , , , , , , , , , , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
11 January 2017
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| In: |
Physical review letters
Year: 2017, Jahrgang: 118, Heft: 2 |
| ISSN: | 1079-7114 |
| DOI: | 10.1103/PhysRevLett.118.022003 |
| Online-Zugang: | Verlag, Volltext: http://dx.doi.org/10.1103/PhysRevLett.118.022003 Verlag, Volltext: https://link.aps.org/doi/10.1103/PhysRevLett.118.022003 
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| Verfasserangaben: | R. Aaij et al.* (LHCb Collaboration) |
MARC
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| 245 | 1 | 0 | |a Observation of J/[psi][phi] structures consistent with exotic states from amplitude analysis of B+→J/[psi][phi]K+ decays |c R. Aaij et al.* (LHCb Collaboration) |
| 246 | 3 | 0 | |a ψ, ϕ |
| 246 | 3 | 3 | |a Observation of J/psi phi structures consistent with exotic states from amplitude analysis of B + → J/psi phi K + decays |
| 264 | 1 | |c 11 January 2017 | |
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| 500 | |a R. Aaij, P. d’Argent, S. Bachmann, S. Braun, A. Comerma-Montells, M. De Cian, S. Esen, D.Gerick, E. Gersabeck, X.Han, S. Hansmann-Menzemer, M. Kecke, B. Khanji, M. Kolpin, B. Leverington, J. Marks, D.S. Mitzel, S. Neubert, M. Neuner, A. Piucci, M. Stahl, U. Uwer, A. Zhelezov [und weitere] | ||
| 500 | |a Im Titel ist das Zeichen "+" hochgestellt | ||
| 500 | |a Im Titel sind "psi" und "phi" als griechische Buchstaben dargestellt | ||
| 500 | |a Gesehen am 22.10.2020 | ||
| 520 | |a The first full amplitude analysis of B+→J/ψϕK+ with J/ψ→μ+μ−, ϕ→K+K− decays is performed with a data sample of 3 fb−1 of pp collision data collected at √s=7 and 8 TeV with the LHCb detector. The data cannot be described by a model that contains only excited kaon states decaying into ϕK+, and four J/ψϕ structures are observed, each with significance over 5 standard deviations. The quantum numbers of these structures are determined with significance of at least 4 standard deviations. The lightest has mass consistent with, but width much larger than, previous measurements of the claimed X(4140) state. | ||
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