Abstract
The recent results on charm and charmonium spectroscopy obtained by the LHCb collaboration are reviewed. In particular, observation of new charmonium state in the decay modes X(3842) → D0D−0 and X(3842) → D+D−, evidence for ηc(1S)π− resonance in B0 → ηc(1S)K+π− decay and observation of three narrow P+c pentaquark candidates decaying to J/ψp are obtained. Also, lifetimes of Ξ+c, Λ+c, Ξ0c and Ω0c baryons are measured with high precision.
Highlights
Charm and charmonium physics is of particular interest of the modern high energy physics
The results described in this paper are based on the data samples coll√ected by the LHCb experiment in proton-proton collision at centre-of-mass energies s = 7 and 8 TeV
Precise measurement of charmed baryon lifetimes would provide an important test of the theoretical approaches
Summary
Charm and charmonium physics is of particular interest of the modern high energy physics. Many of the conventional charmonium states remain unobserved, parameters of some of the known charmed and charmonium hadrons states are poorly measured and on top of that there is a number of charmonium-like states which does not fit into the conventional charmonium spectrum. The results described in this paper are based on the data samples coll√ected by the LHCb experiment in proton-proton (pp) collision at centre-of-mass energies s = 7 and 8 TeV. √corresponding to a total integrated luminosity of s = 13 TeV corresponding to a total integrated. 3 fb−1 (Run-I) and at centre-of-mass luminosity of 6 fb−1 (Run-II)
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