The Ξc+ K− 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 Ξc+ is reconstructed in the decay mode pK−π+. Five new, narrow excited Ω0c states are observed: the Ω0c(3000), Ω0c(3050), Ω0c(3066), Ω0c(3090), and Ω0c(3119). Measurements of their masses and widths are reported
Aaij, R., Adeva, B., Adinolfi, M., Ajaltouni, Z., Akar, S., Albrecht, J., et al. (2017). Observation of Five New Narrow Ω0c States Decaying to Ξc+ K −. PHYSICAL REVIEW LETTERS, 118(18) [10.1103/PhysRevLett.118.182001].
Observation of Five New Narrow Ω0c States Decaying to Ξc+ K −
Belloli, N.;Borgheresi, A.;Borsato, M.;Calvi, M.;Carniti, P.;Cassina, L.;Fazzini, D.;Gotti, C.
;Grillo, L.;Martinelli, M.;Matteuzzi, C.;Petruzzo, M.;
2017
Abstract
The Ξc+ K− 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 Ξc+ is reconstructed in the decay mode pK−π+. Five new, narrow excited Ω0c states are observed: the Ω0c(3000), Ω0c(3050), Ω0c(3066), Ω0c(3090), and Ω0c(3119). Measurements of their masses and widths are reported
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