Observation of IV(4=S) decays into non-=BBA final states containing I mesons

J. Alexander, M. Artuso, C. Bebek, K. Berkelman, D. G. Cassel, E. Cheu, D. M. Coffman, G. Crawford, J. W. DeWire, P. S. Drell, R. Ehrlich, R. S. Galik, B. Gittelman, S. W. Gray, A. M. Halling, D. L. Hartill, B. K. Heltsley, J. Kandaswamy, N. Katayama, D. L. KreinickJ. D. Lewis, N. B. Mistry, J. Mueller, R. Namjoshi, S. Nandi, E. Nordberg, C. Grady, D. Peterson, M. Pisharody, D. Riley, M. Sapper, A. Silverman, S. Stone, H. Worden, M. Worris, A. J. Sadoff, P. Avery, D. Besson, L. Garren, J. Yelton, T. Bowcock, K. Kinoshita, F. M. Pipkin, M. Procario, R. Wilson, J. Wolinski, D. Xiao, R. Ammar, P. Baringer, D. Coppage

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22 Scopus citations


We report on the observation of I mesons from IV(4=S) decays which are too energetic to come from =B mesons. These events provide the first evidence for non-=BBA decays of the IV(4=S). The measured rate is =B [IV(4=s)A I=X]=(0.22A+0.06A+0.04)% for I momentum above 2 GeV/=c.

Original languageEnglish (US)
Pages (from-to)2226-2229
Number of pages4
JournalPhysical review letters
Issue number19
StatePublished - 1990


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