Search for the doubly heavy baryons Ω0bc and Ξ0bc decaying to Λ+cπ− and Ξ+cπ−
The first search for the doubly heavy baryon and a search for the baryon are performed using collision data collected via the experiment from 2016 to 2018 at a centre-of-mass energy of , corresponding to an integrated luminosity of 5.2 . The baryons are reconstructed via their decays to and . No sig...
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| Main Authors: | , , , , , , , , , , , , , , , , , , , , , , , , , , |
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| Corporate Author: | |
| Format: | Article (Journal) |
| Language: | English |
| Published: |
16 August 2021
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| In: |
Chinese physics. C, High energy physics and nuclear physics
Year: 2021, Volume: 45, Issue: 9, Pages: 1-12 |
| ISSN: | 2058-6132 |
| DOI: | 10.1088/1674-1137/ac0c70 |
| Online Access: | Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1088/1674-1137/ac0c70
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| Author Notes: | 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, N. Meinert, A.B. Morris, S. Neubert, M. Schmelling, D.J. Unverzagt, U. Uwer, H. Viemann, R. Waldi, C. Wang, L. Witola, M. Zavertyaev, A. Zhelezov, und weitere 927 (LHCb Collaboration) |
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| 245 | 1 | 0 | |a Search for the doubly heavy baryons Ω0bc and Ξ0bc decaying to Λ+cπ− and Ξ+cπ− |c 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, N. Meinert, A.B. Morris, S. Neubert, M. Schmelling, D.J. Unverzagt, U. Uwer, H. Viemann, R. Waldi, C. Wang, L. Witola, M. Zavertyaev, A. Zhelezov, und weitere 927 (LHCb Collaboration) |
| 246 | 3 | 3 | |a Search for the doubly heavy baryons omega zero bc and xi zero bc decaying to lambda plus c pi minus and xi plus c pi minus |
| 264 | 1 | |c 16 August 2021 | |
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| 500 | |a Gesehen am 12.11.2021 | ||
| 520 | |a The first search for the doubly heavy baryon and a search for the baryon are performed using collision data collected via the experiment from 2016 to 2018 at a centre-of-mass energy of , corresponding to an integrated luminosity of 5.2 . The baryons are reconstructed via their decays to and . No significant excess is found for invariant masses between 6700 and 7300 , in a rapidity range from 2.0 to 4.5 and a transverse momentum range from 2 to 20 . Upper limits are set on the ratio of the and production cross-section times the branching fraction to ( ) relative to that of the ( ) baryon, for different lifetime hypotheses, at 95% confidence level. The upper limits range from to for the ( ) decay, and from to for the ( ) decay, depending on the considered mass and lifetime of the ( ) baryon. | ||
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