Study of the decays D0KK

J. Alexander, M. Artuso, C. Bebek, K. Berkelman, T. Browder, D. G. Cassel, E. Cheu, D. M. Coffman, G. Crawford, J. W. Dewire, P. S. Drell, R. Ehrlich, B. Gittelman, S. W. Gray, A. M. Halling, D. L. Hartill, B. K. Heltsley, K. Honscheid, J. Kandaswamy, N. KatayamaD. L. Kreinick, J. D. Lewis, G. S. Ludwig, N. B. Mistry, S. Nandi, E. Nordberg, C. Ogrady, D. Peterson, M. Pisharody, D. Riley, M. Sapper, M. Selen, A. Silverman, S. Stone, H. Worden, M. Worris, A. J. Sadoff, P. Avery, D. Besson, L. Garren, J. Yelton, K. Kinoshita, F. M. Pipkin, M. Procario, Richard Wilson, J. Wolinski, D. Xiao, Y. Zhu, R. Ammar, P. Baringer

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24 Scopus citations

Abstract

Using the CLEO detector we have observed the Cabibbo-suppressed decays D0K0K0, K+K. We determine B(D0K0K0)= (0.13-0.05-0.02+0.07+0.02)%. Our measurement B(D0K+K-)/B(D0)=2.350.370.28 represents asubstantial improvement over previous results. We find no evidence for the decay D00, and place a 90%-confidence-level upper limit of B(D000)<0.46%.

Original languageEnglish (US)
Pages (from-to)1184-1187
Number of pages4
JournalPhysical review letters
Volume65
Issue number10
DOIs
StatePublished - 1990

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