1st Evidence Of Omega-C(0)-] Omega-Pi+

P.L. Frabetti,H.W.K. Cheung,J.P. Cumalat,C. Dallapiccola,J.F. Ginkel,S.V. Greene,W.E. Johns,M.S. Nehring,J.N. Butler, S. Cihangir,I. Gaines,L. Garren,P.H. Garbincius,S.A. Gourlay,D.J. Harding,P. Kasper,A. Kreymer, P. Lebrun,S. Shukla,S. Bianco,F.L. Fabbri,S. Sarwar, A. Zallo,R. Culbertson,R.W. Gardner,R. Greene,J. Wiss,G. Alimonti,G. Bellini,B. Caccianiga,L. Cinquini,M. Di Corato,M. Giammarchi,P. Inzani,F. Leveraro,S. Malvezzi, D. Menasce,E. Meroni,L. Moroni,D. Pedrini,L. Perasso,A. Sala,S. Sala,D. Torretta, M. Vittone, D. Buchholz,D. Claes, B. Gobbi,B. O'Reilly,J.M. Bishop,N.M. Cason,C.J. Kennedy,G.N. Kim,T.F. Lin,D.L. Puseljic,R.C. Ruchti,W.D. Shephard, J.A. Swiatek,Z.Y. Wu,V. Arena,G. Boca,C. Castoldi,R. Diaferia,G. Gianini,S.P. Ratti, C. Riccardi,P. Vitulo,A. Lopez,G.P. Grim,V.S. Paolone, P.M. Yager,J.R. Wilson,P.D. Sheldon, F. Davenport,J.F. Filasetta,G.R. Blackett,M. Pisharody,T. Handler,B.G. Cheon,J.S. Kang,K.Y. Kim

PHYSICS LETTERS B（1993）

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摘要

We report evidence of a narrow resonance at a mass of 2705.9+/-3.3+/-2.0 MeV/c2 in the final state OMEGA-pi+ and the charge conjugate. The mass and width support the interpretation of a weakly decaying doubly strange charmed baryon, the OMEGA(c)0. Limits on the relative branching ratios for OMEGA(c)0 --> XI-K-pi+pi+ and OMEGA(c)0 --> OMEGA-pi-pi+pi+ are also presented.

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