For more in-depth information see the CERN press release "LHCb observes an exceptionally large group of particles" at https://home.cern/about/updates/2017/03/lh

For more in-depth information see the CERN press release "LHCb observes an exceptionally large group of particles" at https://home.cern/about/updates/2017/03/lhcb-observes-exceptionally-large-group-particles https://home.cern/about/updates/2017/03/lhcb-observes-except... Or, the paper "Observation of five new narrow Ω0c states decaying to Ξ+cK−" is available at https://arxiv.org/abs/1703.04639 https://arxiv.org/abs/1703.04639 And finally, the LHCb web site section on "Observation of five new narrow Ωc0 excited states" at http://lhcb-public.web.cern.ch/lhcb-public/Welcome.html#Omega_c http://lhcb-public.web.cern.ch/lhcb-public/Welcome.html#Omeg...