Determination of quantum numbers for several excited charmed mesons observed in B- -→ D*+π-π- decays
A four-body amplitude analysis of the B- -> D*(+)pi(-) pi(-) decay is performed, where fractions and relative phases of the various resonances contributing to the decay are measured. Several quasi-model-independent analyses are performed aimed at searching for the presence of new states and estab...
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| Hauptverfasser: | , , , , , , , , , , , , , , , , , , , , , , |
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
20 February 2020
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| In: |
Physical review
Year: 2020, Jahrgang: 101, Heft: 3 |
| ISSN: | 2470-0029 |
| DOI: | 10.1103/PhysRevD.101.032005 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1103/PhysRevD.101.032005
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| Verfasserangaben: | R. Aaij et al. (LHCb Collaboration) |
MARC
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| 245 | 1 | 0 | |a Determination of quantum numbers for several excited charmed mesons observed in B- -→ D*+π-π- decays |c R. Aaij et al. (LHCb Collaboration) |
| 246 | 3 | 3 | |a Determination of quantum numbers for several excited charmed mesons observed in B - -→ D * + π - π - decays |
| 246 | 3 | 3 | |a Determination of quantum numbers for several excited charmed mesons observed in B- -→ D*+[pi]-[pi]- decays |
| 264 | 1 | |c 20 February 2020 | |
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| 500 | |a R. Aaij, P. D'Argent, S. Bachmann, D. Berninghoff, S. Braun, A. Comerma-Montells, M. Dziewiecki, J.P. Grabowski, X. Han, S. Hansmann-Menzemer, J. Hu, M. Kecke, M. Kolpin, R. Kopecna, B. Leverington, J. Marks, D.S. Mitzel, S. Neubert, A. Piucci, M. Stahl, S. Stemmle, U. Uwer, A. Zhelezov und 821 weitere | ||
| 500 | |a Im Titel sind die Zeichen Strich, Sternchen und Plus hochgestellt | ||
| 500 | |a Gesehen am 07.04.2020 | ||
| 520 | |a A four-body amplitude analysis of the B- -> D*(+)pi(-) pi(-) decay is performed, where fractions and relative phases of the various resonances contributing to the decay are measured. Several quasi-model-independent analyses are performed aimed at searching for the presence of new states and establishing the quantum numbers of previously observed charmed meson resonances. In particular the resonance parameters and quantum numbers are determined for the D-1 (2420), D-1 (2430), D-0 (2550), D-1* (2600), D-2 (2740) and D-3*(2750) states. The mixing between the D-1 (2420) and D-1 (2430) resonances is studied and the mixing parameters are measured. The dataset corresponds to an integrated luminosity of 4.7 fb(-1), collected in proton-proton collisions at center-of-mass energies of 7, 8 and 13 TeV with the LHCb detector. | ||
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