Limits on B0B0 mixing and &

A. Bean, G. J. Bobbink, I. C. Brock, A. Engler, T. Ferguson, R. W. Kraemer, C. Rippich, H. Vogel, C. Bebek, K. Berkelman, E. Blucher, D. G. Cassel, T. Copie, R. Desalvo, J. W. Dewire, R. Ehrlich, R. S. Galik, M. G.D. Gilchriese, B. Gittelman, S. W. GrayA. M. Halling, D. L. Hartill, B. K. Heltsley, S. Holzner, M. Ito, J. Kandaswamy, R. Kowalewski, D. L. Kreinick, Y. Kubota, N. B. Mistry, J. Mueller, R. Namjoshi, E. Nordberg, M. Ogg, D. Perticone, D. Peterson, M. Pisharody, K. Read, D. Riley, A. Silverman, S. Stone, Xia Yi, A. J. Sadoff, P. Avery, D. Besson, T. Bowcock, R. T. Giles, J. Hassard, K. Kinoshita, F. M. Pipkin

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Limits are set on B0B0 mixing by use of dilepton events from (4S) decay. On the assumption that the charged- and neutral-B semileptonic branching ratios are equal and that 41% of the B mesons from the (4S) are neutral, a 90%-confidence-level upper limit of 24% is set on B0B0 mixing. Limits are also given for the ratio of the lifetimes of neutral and charged B mesons. The 90%-confidence-level limits are &<2.05.

Original languageEnglish (US)
Pages (from-to)183-186
Number of pages4
JournalPhysical review letters
Issue number3
StatePublished - 1987


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