Observation of Five New Narrow Ωc0 States Decaying to Ξc+ K-

R. Aaij, B. Adeva, M. Adinolfi, Z. Ajaltouni, S. Akar, J. Albrecht, F. Alessio, M. Alexander, S. Ali, G. Alkhazov, P. Alvarez Cartelle, A. A. Alves, S. Amato, S. Amerio, Y. Amhis, LA Everse, L. Anderlini, G. Andreassi, M. Andreotti, J.E. AndrewsR. B. Appleby, F. Archilli, P. d'Argent, J. Arnau Romeu, A. Artamonov, M. Artuso, E. Aslanides, G. Auriemma, M. Baalouch, I. Babuschkin, S. Bachmann, J. J. Back, K. Carvalho Akiba, V. Coco, P. N.Y. David, K. De Bruyn, M. Ferro-Luzzi, T. Ketel, J. Van Leerdam, M. Merk, C. J.G. Onderwater, G. Raven, M. Schiller, N. Serra, B. Storaci, V. Syropoulos, J. Van Tilburg, S. Tolk, P. Tsopelas, N. Tuning, (LHCb Collaboration)

Research output: Contribution to JournalArticleAcademicpeer-review

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 Ωc0 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.

Original languageEnglish
Article number182001
JournalPhysical Review Letters
Volume118
Issue number18
DOIs
Publication statusPublished - 2 May 2017

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