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Search for the doubly heavy baryon Ξ0+bc decaying to J/ψ Ξ0+c

A first search for the decay is performed by the LHCb experiment with a data sample of proton-proton collisions, corresponding to an integrated luminosity of 9 fb−1 recorded at centre-of-mass energies of 7, 8, and 13 TeV. Two peaking structures are seen with a local (global) significance of and stan...

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Main Authors: Aaij, Roel (Author) , Archilli, Flavio (Author) , Bachmann, Sebastian (Author) , Berninghoff, Daniel (Author) , Borsato, Martino (Author) , Caspary, Rowina (Author) , Frau, Giulia (Author) , Gerick, David (Author) , Grabowski, Jascha (Author) , Günther, Paul André (Author) , Han, Xiaoxue (Author) , Hansmann-Menzemer, Stephanie (Author) , Hu, Jiangqiao (Author) , Kopecná, Renata (Author) , Kubat, Jakub (Author) , Leverington, Blake (Author) , Li, Peilian (Author) , Malygina, Hanna (Author) , Marks, Jörg (Author) , Schmelling, Michael (Author) , Skuza, Raphael (Author) , Unverzagt, Daniel Joachim (Author) , Uwer, Ulrich (Author) , Waldi, Roland (Author) , Wang, Chishuai (Author) , Witola, Lukas (Author) , Zavertyaev, M. (Author) , Zhelezov, Alexey (Author)
Corporate Author: LHCb Collaboration (Author)
Format: Article (Journal)
Language:English
Published: 2023
In: Chinese physics. C, High energy physics and nuclear physics
Year: 2023, Volume: 47, Issue: 9, Pages: 1-13
ISSN:2058-6132
DOI:10.1088/1674-1137/ace9c8
Online Access:Resolving-System, kostenfrei, Volltext: https://doi.org/10.1088/1674-1137/ace9c8
Verlag, kostenfrei, Volltext: https://iopscience.iop.org/article/10.1088/1674-1137/ace9c8
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Author Notes:LHCb Collaboration
Description
Summary:A first search for the decay is performed by the LHCb experiment with a data sample of proton-proton collisions, corresponding to an integrated luminosity of 9 fb−1 recorded at centre-of-mass energies of 7, 8, and 13 TeV. Two peaking structures are seen with a local (global) significance of and standard deviations at masses of 6571 and 6694 MeV/, respectively. Upper limits are set on the baryon production cross-section times the branching fraction relative to that of the decay at centre-of-mass energies of 8 and 13 TeV, in the and in the rapidity and transverse-momentum ranges from 2.0 to 4.5 and 0 to , respectively. Upper limits are presented as a function of the mass and lifetime.
Item Description:LHCb Collaboration: R. Aaij, F. Archilli, S. Bachmann, Berninghoff, M. Borsato, R. Caspary, G. Frau, D. Gerick, J. P. Grabowski, P. A. Günther, X. Han, S. Hansmann-Menzemer, J. Hu, R. Kopecna, J. Kubat, B. Leverington, P. Li, H. Malygina, J. Marks, M. Schmelling, R. Skuza, D. J. Unverzagt, U. Uwer, R. Waldi, C. Wang, L. Witola, M. Zavertyaev, A. Zhelezov [und 986 weitere]
Im Titel sind "+" hochgestellt, "bc" und "c" tiefgestellt
Gesehen am 07.05.2024
Physical Description:Online Resource
ISSN:2058-6132
DOI:10.1088/1674-1137/ace9c8

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