Study of excited $\Lambda_\mathrm{b}^0$ states decaying to $\Lambda_\mathrm{b}^0\pi^+\pi^-$ in proton-proton collisions at $\sqrt{s}=$ 13 TeV
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Abstract (data abstract)
CERN-LHC-CMS. Studies of excited Lambda-b states in their decays into Lambda-b pi+ pi- in pp collisions at sqrt(s)=13 TeV.