Observation of five new narrow Ω0c states decaying to Ξ+cK−
- Aaij, R.
- Beaucourt, L.
- Chefdeville, M.
- Decamp, D.
- Déléage, N.
- Ghez, P.
- Marchand, J.-F.
- Minard, M.-N.
- Pietrzyk, B.
- T'Jampens, S.
- Tisserand, V.
- Tournefier, E.
- Xu, Z.
- Romeu, J. Arnau
- Aslanides, E.
- Cogan, J.
- Bruyn, K. De
- Legac, R.
- Leroy, O.
- Mancinelli, G.
- Martin, M.
- Serrano, J.
- Tayduganov, A.
- Tsaregorodtsev, A.
DOIAbstract
See paper for full list of authors - 14 pages, 3 figures. All figures and tables, along with any supplementary material and additional information, are available at https://lhcbproject.web.cern.ch/lhcbproject/Publications/LHCbProjectPublic/LHCb-PAPER-2017-002.html - Submitted to Phys. Rev. Lett.International audienceThe Ξ+cK− mass spectrum is studied with a sample of pp collision data corresponding to an integrated luminosity of 3.3 fb−1, collected by the LHCb experiment. The Ξ+c is reconstructed in the decay mode pK−π+. Five new, narrow excited Ω0c states are observed: the Ωc(3000)0, Ωc(3050)0, Ωc(3066)0, Ωc(3090)0, and Ωc(3119)0. Measurements of their masses and widths are reported
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