Evidence for exotic Hadron contributions to [lambda]0b→J/[psi]pπ- decays
A full amplitude analysis of Λ0b→J/ψpπ− decays is performed with a data sample acquired with the LHCb detector from 7 and 8 TeV pp collisions, corresponding to an integrated luminosity of 3 fb−1. A significantly better description of the data is achieved when, in addition to the previously observed...
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| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , , , |
|---|---|
| Corporate Author: | |
| Format: | Article (Journal) |
| Language: | English |
| Published: |
18 August 2016
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| In: |
Physical review letters
Year: 2016, Volume: 117, Issue: 8 |
| ISSN: | 1079-7114 |
| DOI: | 10.1103/PhysRevLett.117.082003 |
| Online Access: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevLett.117.082003 Verlag, lizenzpflichtig, Volltext: https://link.aps.org/doi/10.1103/PhysRevLett.117.082003 
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| Author Notes: | R. Aaij et al.* (LHCb Collaboration) |
MARC
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| 245 | 1 | 0 | |a Evidence for exotic Hadron contributions to [lambda]0b→J/[psi]pπ- decays |c R. Aaij et al.* (LHCb Collaboration) |
| 246 | 3 | 0 | |a Λ ψ |
| 246 | 3 | 3 | |a Evidence for exotic Hadron contributions to [lambda] 0 b → J / [psi] p π − decays |
| 246 | 3 | 3 | |a Evidence for exotic Hadron contributions to [lambda] 0 b → J / [psi] pi π − decays |
| 264 | 1 | |c 18 August 2016 | |
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| 500 | |a *LHCb Collaboration: R. Aaij, P. D'Argent, S. Bachmann, S. Braun, M. Britsch, A. Comerma-Montells, M. De Cian, S. Esen, D. Gerick, E. Gersabeck, L. Grillo, X. Han, S. Hansmann-Menzemer, A. Jaeger, M. Kecke, M. Kolpin, K. Kreplin, B. Leverington, J. Marks, M. Meissner, D.S. Mitzel, S. Neubert, M. Neuner, T. Nikodem, A. Piucci, M. Stahl, U. Uwer, M. Vesterinen, A. Zhelezov [und 719 weitere Personen] | ||
| 500 | |a Im Titel sind die Zahl 0 und das Zeichen - hochgestellt | ||
| 500 | |a Im Titel ist der Buchstabe b tiefgestellt | ||
| 500 | |a Im Titel sind "lambda" und "psi" als griechische Buchstaben dargestellt | ||
| 500 | |a Gesehen am 14.07.2020 | ||
| 520 | |a A full amplitude analysis of Λ0b→J/ψpπ− decays is performed with a data sample acquired with the LHCb detector from 7 and 8 TeV pp collisions, corresponding to an integrated luminosity of 3 fb−1. A significantly better description of the data is achieved when, in addition to the previously observed nucleon excitations N→pπ−, either the Pc(4380)+ and Pc(4450)+→J/ψp states, previously observed in Λ0b→J/ψpK− decays, or the Zc(4200)−→J/ψπ− state, previously reported in B0→J/ψK+π− decays, or all three, are included in the amplitude models. The data support a model containing all three exotic states, with a significance of more than three standard deviations. Within uncertainties, the data are consistent with the Pc(4380)+ and Pc(4450)+ production rates expected from their previous observation taking account of Cabibbo suppression. | ||
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