PoS - Proceedings of Science
Volume 390 - 40th International Conference on High Energy physics (ICHEP2020) - Parallel: Strong Interactions and Hadron Physics
Studies of quarkonia and doubly-heavy hadrons at LHCb
Z. Xiang* on behalf of the LHCb collaboration
*corresponding author
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Pre-published on: February 13, 2021
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The measurements of quarkonia and doubly-heavy hadrons in $pp$ collisions provide crucial inputs to study both perturbative and non-perturbative quantum chromodynamics. LHCb has a broad physics program of studies of quarkonia and doubly-heavy hadrons. In this proceeding, six recent measurements from the LHCb collaboration are reported: the $\psi(2S)$ production cross-sections measurement, the updated measurement of $\eta_c(1S)$ production cross-section, the observation of a new charmonium state $\rm{X}(3842)$, the observation of an excited $B_c^+$ state, the precision measurement of $B_c^+$ mass, and end this report with the first search of $\Xi_{bc}^0$.
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