Search for the doubly charmed baryon Ω+cc
A search for the doubly charmed baryon Ωcc+with the decay mode Ωcc+→ Ξc+K−π+ is performed using proton-proton collision data at a centre-of-mass energy of 13 TeV collected by the LHCb experiment from 2016 to 2018, corresponding to an integrated luminosity of 5.4 fb−1. No significant signal is observ...
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| Hauptverfasser: | , , , , , , , , , , , , , , , , , , , , , |
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| Körperschaft: | |
| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
31 August 2021
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| In: |
Science China. Physics, mechanics & astronomy
Year: 2021, Jahrgang: 64, Heft: 10, Pages: 1-12 |
| ISSN: | 1869-1927 |
| DOI: | 10.1007/s11433-021-1742-7 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1007/s11433-021-1742-7
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| Verfasserangaben: | LHCb Collaboration* |
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| 110 | 2 | |a LHCb Collaboration |e VerfasserIn |0 (DE-588)1166245764 |0 (DE-627)1030265593 |0 (DE-576)510686508 |4 aut | |
| 245 | 1 | 0 | |a Search for the doubly charmed baryon Ω+cc |c LHCb Collaboration* |
| 246 | 3 | 3 | |a Search for the doubly charmed baryon Omega + cc |
| 264 | 1 | |c 31 August 2021 | |
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| 500 | |a Im Titel ist das Zeichen + hochgestellt und die Buchstaben cc tiefgestellt | ||
| 500 | |a *LHCb Collaboration: R. Aaij, F. Archilli, S. Bachmann, D. Berninghoff, M. Borsato, G. Frau, D. Gerick, J.P. Grabowski, P.A. Günter, X. Han, S. Hansmann-Menzemer, J. Hu, R. Kopecná, B. Leverington, P. Li, H. Malygina, J. Marks, D.J. Unverzagt, U. Uwer, C. Wang, L. Witola, A. Zhelezov [und viele weitere Personen] | ||
| 500 | |a Gesehen am 11.11.2021 | ||
| 520 | |a A search for the doubly charmed baryon Ωcc+with the decay mode Ωcc+→ Ξc+K−π+ is performed using proton-proton collision data at a centre-of-mass energy of 13 TeV collected by the LHCb experiment from 2016 to 2018, corresponding to an integrated luminosity of 5.4 fb−1. No significant signal is observed within the invariant mass range of 3.6 to 4.0GeV/c2. Upper limits are set on the ratio R of the production cross-section times the total branching fraction of the Ωcc+→ Ξc+K−π+ decay with respect to the $$\Xi _{cc}^{ + + } \to \Lambda _c^ + {K^ - }{\pi ^ + }{\pi ^ + }$$decay. Upper limits at 95% credibility level for R in the range 0.005 to 0.11 are obtained for different hypotheses on the Ωcc+mass and lifetime in the rapidity range from 2.0 to 4.5 and transverse momentum range from 4 to 15 GeV/c. | ||
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