Search for the doubly heavy [xi] 0bc baryon via decays to D0pK−
A search for the doubly heavy Ξ0bc baryon using its decay to the D0pK- final state is performed using proton-proton collision data at a centre-of-mass energy of 13 TeV collected by the LHCb experiment between 2016 and 2018, corresponding to an integrated luminosity of 5.4 fb−1. No significant signal...
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| Dokumenttyp: | Article (Journal) |
| Sprache: | Englisch |
| Veröffentlicht: |
November 19, 2020
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| In: |
Journal of high energy physics
Year: 2020, Heft: 11 |
| ISSN: | 1029-8479 |
| DOI: | 10.1007/JHEP11(2020)095 |
| Online-Zugang: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1007/JHEP11(2020)095 Verlag, lizenzpflichtig, Volltext: https://link.springer.com/article/10.1007/JHEP11(2020)095 
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| Verfasserangaben: | The LHCb collaboration |
MARC
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| 245 | 1 | 0 | |a Search for the doubly heavy [xi] 0bc baryon via decays to D0pK− |c The LHCb collaboration |
| 246 | 3 | 0 | |a Ξ |
| 246 | 3 | 3 | |a Search for the doubly heavy Xi 0 b c baryon via decays to D 0 p K minus |
| 264 | 1 | |c November 19, 2020 | |
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| 500 | |a Im Titel ist die Zahl "0" jeweils hochgestellt, "bc" tiefgestellt | ||
| 500 | |a Im Titel ist "-" hochgestellt | ||
| 500 | |a The LHCb collaboration: R. Aaij, F. Archilli, S. Bachmann, D. Berninghoff, M. Borsato, M. Dziewiecki, G. Frau, D. Gerick, J. Grabowski, P.A. Günther, X. Han, S. Hansmann-Menzemer, J. Hu, M. Kecke, R. Kopecna, B. Leverington, P. Li, H. Malygina, J. Marks, A. Piucci, S. Stemmle, D.A. Unverzagt, U. Uwer, C. Wang, L. Witola, A. Zhelezov [und viele weitere] | ||
| 520 | |a A search for the doubly heavy Ξ0bc baryon using its decay to the D0pK- final state is performed using proton-proton collision data at a centre-of-mass energy of 13 TeV collected by the LHCb experiment between 2016 and 2018, corresponding to an integrated luminosity of 5.4 fb−1. No significant signal is found in the invariant mass range from 6.7 to 7.2 GeV/c2. Upper limits are set at 95% credibility level on the ratio of the Ξ0bc production cross-section times its branching fraction to D0pK− relative to that of the Λb0→D0pK− decay. The limits are set as a function of the Ξ0bc mass and lifetime hypotheses, in the rapidity range from 2.0 to 4.5 and in the transverse momentum region from 5 to 25 GeV/c. Upper limits range from 1.7 × 10−2 to 3.0 × 10−1 for the considered Ξ0bc mass and lifetime hypotheses. | ||
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