Evidence for the production of the charmed, doubly strange baryon Ωc in e+e- annihilation

  • H. Albrecht
  • , H. I. Cronström
  • , H. Ehrlichmann
  • , T. Hamacher
  • , R. P. Hofmann
  • , T. Kirchhoff
  • , A. Nau
  • , S. Nowak
  • , M. Reidenbach
  • , R. Reiner
  • , H. Schröder
  • , H. D. Schulz
  • , M. Walter
  • , R. Wurth
  • , R. D. Appuhn
  • , C. Hast
  • , H. Kolanoski
  • , A. Lange
  • , A. Lindner
  • , R. Mankel
  • M. Schieber, T. Siegmund, B. Spaan, H. Thurn, D. Töpfer, A. Walther, D. Wegener, M. Paulini, K. Reim, H. Wegener, R. Mundt, T. Oest, W. Schmidt-Parzefall, U. Becker, W. Funk, J. Stiewe, S. Werner, K. Ehret, A. Hölscher, W. Hofmann, A. Hüpper, S. Kahn, K. T. Knöpfle, J. Spengler, D. I. Britton, C. E.K. Charlesworth, K. W. Edwards, E. R.F. Hyatt, H. Kapitza, P. Krieger, D. B. MacFarlane, P. M. Patel, J. D. Prentice, P. R.B. Saull, S. C. Seidel, K. Tzamariudaki, R. G. Van de Water, T. S. Yoon, D. Reßing, M. Schmidtler, M. Schneider, K. R. Schubert, K. Strahl, R. Waldi, S. Weseler, G. Kernel, P. Križan, E. Križnič, T. Podobnik, T. Živko, L. Jönsson, V. Balagura, I. Belyaev, M. Danilov, A. Droutskoy, A. Golutvin, I. Gorelov, G. Kostina, V. Lubimov, P. Murat, P. Pakhlov, F. Ratnikov, S. Semenov, V. Shibaev, V. Soloshenko, I. Tichomirov, Yu Zaitsev

Research output: Contribution to journalArticlepeer-review

Abstract

Using the detector ARGUS at the storage ring DORIS II of DESY, we have found evidence for the production of the charmed and doubly strange baryon Ωc through its decay channel Ξ-K-π+π+. Its mass has been determined to be ((2719.0±7.0±2.5)MeV/c2, and the product of production cross section and branching ratio the above channel to be (2.41±0.90±0.30) pb.

Original languageEnglish
Pages (from-to)367-372
Number of pages6
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume288
Issue number3-4
DOIs
Publication statusPublished - 27 Aug 1992
Externally publishedYes

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