Measurement of the [omega] 0c baryon lifetime
We report a measurement of the lifetime of the Ω0c baryon using proton-proton collision data at center-of-mass energies of 7 and 8 TeV, corresponding to an integrated luminosity of 3.0 fb−1 collected by the LHCb experiment. The sample consists of about 1000 Ω−b→Ω0cμ−¯νμX signal decays, where the Ω0c...
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
31 August 2018
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| In: |
Physical review letters
Year: 2018, Jahrgang: 121, Heft: 9 |
| ISSN: | 1079-7114 |
| DOI: | 10.1103/PhysRevLett.121.092003 |
| Online-Zugang: | Verlag, Volltext: https://doi.org/10.1103/PhysRevLett.121.092003 Verlag, Volltext: https://link.aps.org/doi/10.1103/PhysRevLett.121.092003 |
| Verfasserangaben: | R. Aaij et al.* (LHCb Collaboration) |
MARC
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| 245 | 1 | 0 | |a Measurement of the [omega] 0c baryon lifetime |c R. Aaij et al.* (LHCb Collaboration) |
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| 246 | 3 | 3 | |a Measurement of the omega0 c baryon lifetime |
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| 500 | |a Im Titel ist Omega als griechischer Buchstabe dargestellt | ||
| 500 | |a Im Titel sind "0" und "c" untereinander geschrieben: "0" hochgestellt, "c" tiefgestellt | ||
| 500 | |a R. Aaij, P. d'Argent, S. Bachmann, D. Berninghoff, S. Braun, A. Comerma-Montells, M. De Cian, F. Dordei, M. Dziewiecki, D. Gerick, J.P. Grabowski, X. Han, S. Hansmann-Menzemer, M. Kecke, B. Khanji, M. Kolpin, R. Kopecna, B. Leverington, J. Marks, D.S. Mitzel, S. Neubert, M. Neuner, A. Piucci, N. Skidmore, M. Stahl, S. Stemmle, U. Uwer, A. Zhelezov [und weitere] (LHCb Collaboration) | ||
| 500 | |a Gesehen am 29.05.2019 | ||
| 520 | |a We report a measurement of the lifetime of the Ω0c baryon using proton-proton collision data at center-of-mass energies of 7 and 8 TeV, corresponding to an integrated luminosity of 3.0 fb−1 collected by the LHCb experiment. The sample consists of about 1000 Ω−b→Ω0cμ−¯νμX signal decays, where the Ω0c baryon is detected in the pK−K−π+ final state and X represents possible additional undetected particles in the decay. The Ω0c lifetime is measured to be τΩ0c=268±24±10±2 fs, where the uncertainties are statistical, systematic, and from the uncertainty in the D+ lifetime, respectively. This value is nearly four times larger than, and inconsistent with, the current world-average value. | ||
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