Measurement of the D0, D+ and Ds+ meson lifetimes at √s = 10.58 GeV

S. E. Csorna, M. D. Mestayer, R. S. Panvini, G. B. Word, 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. EhrlichR. S. Galik, M. G.D. Gilchriese, B. Gittelman, S. W. Gray, A. 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, Richard Wilson, J. Wolinski, D. Xiao, T. Gentile, P. Haas, M. Hempstead, T. Jensen, H. Kagan, R. Kass, S. Behrends, Jan M. Guida, Joan A. Guida, F. Morrow, R. Poling, E. H. Thorndike, P. Tipton, M. S. Alam, N. Katayama, I. J. Kim, C. R. Sun, V. Tanikella, D. Bortoletto, A. Chen, L. Garren, M. Goldberg, R. Holmes, N. Horwitz, A. Jawahery, P. Lubrano, G. C. Moneti, V. Sharma

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7 Scopus citations

Abstract

We have measured the lifetimes of the D0, D+ and Ds+ mesons with data from the CLEO detector. We find τD0 = (5.0 ± 0.7 ± 0.4) × 10-13s, τD+ = (11.4 ± 1.6 ± 0.7) × 10-13s and τDs+ = (4.7 ± 2.2 ± 0.5) × 10-13s, giving lifetime ratios τD+D0 = 2.3 ± 0.5 and τDs+D0 = 0.9 ± 0.5.

Original languageEnglish
Pages (from-to)318-322
Number of pages5
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume191
Issue number3
DOIs
StatePublished - 11 Jun 1987

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