Volume 390 - 40th International Conference on High Energy physics (ICHEP2020) - Parallel: Quark and Lepton Flavour Physics
New results in $\Lambda_{\mathrm{b}}^0$ baryon physics at CMS
N. Petrov*  on behalf of the CMS Collaboration
Full text: pdf
Pre-published on: January 11, 2021
Published on: April 15, 2021
Abstract
The study of excited $\Lambda_{\mathrm{b}}^0$ states and their mass measurement by the CMS experiment is reported, as well as the observation of the $\Lambda_{\mathrm{b}}^0\rightarrow \mathrm{J}/\psi\Lambda\phi$ decay and the measurement of its branching fraction, relative to the $\Lambda_{\mathrm{b}}^0\rightarrow \psi(\mathrm{2S})\Lambda$ decay. Both analyses use proton-proton collision data collected at $\sqrt{s} = 13$ TeV.
DOI: https://doi.org/10.22323/1.390.0409
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