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, P. Haas, Ha Lam, A. Jawahery, C. H. Park, Y. Kubota, J. K. Nelson, D. Perticone, R. Poling, R. Fulton, T. Jensen, D. R. Johnson, H. Kagan, R. Kass, F. Morrow, J. Whitmore, P. Wilson, W. Y. Chen, J. Dominick, R. L. McIlwain, D. H. Miller, C. R. Ng, S. F. Schaffner, E. I. Shibata, W. M. Yao, K. Sparks, E. H. Thorndike, C. H. Wang, M. S. Alam, I. J. Kim, W. C. Li, X. C. Lou, C. R. Sun, P. N. Wang, M. I. Zoeller, D. Bortoletto, M. Goldberg, N. Horwitz, V. Jain, M. D. Mestayer, G. C. Moneti, V. Sharma, I. P.J. Shipsey, T. Skwarnicki, M. Thulasidas, S. E. Csorna, T. Letson

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21 Scopus citations

Abstract

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
Volume64
Issue number19
DOIs
StatePublished - 1990

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Alexander, J., Artuso, M., Bebek, C., Berkelman, K., Cassel, D. G., Cheu, E., Coffman, D. M., Crawford, G., DeWire, J. W., Drell, P. S., Ehrlich, R., Galik, R. S., Gittelman, B., Gray, S. W., Halling, A. M., Hartill, D. L., Heltsley, B. K., Kandaswamy, J., Katayama, N., ... Letson, T. (1990). Observation of IV(4=S) decays into non-=BBA final states containing I mesons. Physical Review Letters, 64(19), 2226-2229. https://doi.org/10.1103/PhysRevLett.64.2226