Measurement of the lifetimes of promptly produced Ω0c and Ξ0c baryons
A measurement of the lifetimes of the Ω0c and Ξ0c baryons is reported using proton-proton collision data at a centre-of-mass energy of 13TeV, corresponding to an integrated luminosity of 5.4fb-1 collected by the LHCb experiment. The Ω0c and Ξ0c baryons are produced directly from proton interactions...
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| Hauptverfasser: | , , , , , , , , , , , , , , , , , , , , , |
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| Körperschaft: | |
| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
2022
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| In: |
Science bulletin
Year: 2022, Jahrgang: 67, Heft: 5, Pages: 479-487 |
| ISSN: | 2095-9281 |
| DOI: | 10.1016/j.scib.2021.11.022 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1016/j.scib.2021.11.022 Verlag, lizenzpflichtig, Volltext: https://www.sciencedirect.com/science/article/pii/S2095927321007301 
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| Verfasserangaben: | LHCb Collaboration |
MARC
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| 245 | 1 | 0 | |a Measurement of the lifetimes of promptly produced Ω0c and Ξ0c baryons |c LHCb Collaboration |
| 246 | 3 | 3 | |a Measurement of the lifetimes of promptly produced Ω 0 c and Ξ 0 c baryons |
| 264 | 1 | |c 2022 | |
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| 336 | |a Text |b txt |2 rdacontent | ||
| 337 | |a Computermedien |b c |2 rdamedia | ||
| 338 | |a Online-Ressource |b cr |2 rdacarrier | ||
| 500 | |a 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, D.J. Unverzagt, U. Uwer, C. Wang, L. Witola, A. Zhelezov [und viele weitere] | ||
| 500 | |a Im Text ist "0" jeweils hochgestellt, "c" jeweils tiefgestellt | ||
| 500 | |a Available online 1 December 2021 | ||
| 500 | |a Gesehen am 20.07.2022 | ||
| 520 | |a A measurement of the lifetimes of the Ω0c and Ξ0c baryons is reported using proton-proton collision data at a centre-of-mass energy of 13TeV, corresponding to an integrated luminosity of 5.4fb-1 collected by the LHCb experiment. The Ω0c and Ξ0c baryons are produced directly from proton interactions and reconstructed in the pK-K-π+ final state. The Ω0c lifetime is measured to be 276.5±13.4±4.4±0.7fs, and the Ξc0 lifetime is measured to be 148.0±2.3±2.2±0.2fs, where the first uncertainty is statistical, the second systematic, and the third due to the uncertainty on the D0 lifetime. These results confirm previous LHCb measurements based on semileptonic beauty-hadron decays, which disagree with earlier results of a four times shorter Ω0c lifetime, and provide the single most precise measurement of the Ω0c lifetime. | ||
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| 650 | 4 | |a Flavour physics | |
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| 650 | 4 | |a Lifetime | |
| 650 | 4 | |a QCD | |
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