A measurement of the average lifetime of B-hadrons produced by e+e--collision at {Mathematical expression}

J. Hagemann, R. Ramcke, J. Allison, K. Ambrus, R. J. Barlow, W. Bartel, S. Bethke, C. K. Bowdery, S. L. Cartwright, J. Chrin, D. Clarke, A. Dieckmann, I. P. Duerdoth, G. Eckerlin, E. Elsen, R. Felst, A. J. Finch, F. Foster, T. Greenshaw, D. HaidtJ. Heintze, G. Heinzelmann, K. H. Hellenbrand, P. Hill, G. Hughes, H. Kado, K. Kawagoe, C. Kleinwort, G. Knies, T. Kobayashi, S. Komamiya, H. Krehbiel, J. v. Krogh, M. Kuhlen, F. K. Loebinger, A. A. Macbeth, N. Magnussen, R. Marshall, T. Mashimo, R. Meinke, R. P. Middleton, P. G. Murphy, B. Naroska, M. Nozaki, J. M. Nye, J. Olsson, F. Ould-Saada, H. Rieseberg, D. Schmidt, H. von der Schmitt, L. Smolik, U. Schneekloth, J. A.J. Skard, J. Spitzer, P. Steffen, K. Stephens, A. Wagner, I. W. Walker, G. Weber, M. Zimmer, G. T. Zorn

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Data taken with an improved tracking system have been used to determine the average lifetime of B-hadrons, τB. A study of the pseudo decay length gave {Mathematical expression}. From the impact parameter distribution of high p ⊥ electrons and muons, values of {Mathematical expression} and {Mathematical expression} were obtained. Combining these results, allowing for correlations and adding statistical and systematic errors in quadrature, we obtain {Mathematical expression}

Original languageEnglish
Pages (from-to)401-409
Number of pages9
JournalZeitschrift für Physik C Particles and Fields
Issue number3
Publication statusPublished - 1990 Sep

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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    Hagemann, J., Ramcke, R., Allison, J., Ambrus, K., Barlow, R. J., Bartel, W., Bethke, S., Bowdery, C. K., Cartwright, S. L., Chrin, J., Clarke, D., Dieckmann, A., Duerdoth, I. P., Eckerlin, G., Elsen, E., Felst, R., Finch, A. J., Foster, F., Greenshaw, T., ... Zorn, G. T. (1990). A measurement of the average lifetime of B-hadrons produced by e+e--collision at {Mathematical expression}. Zeitschrift für Physik C Particles and Fields, 48(3), 401-409. https://doi.org/10.1007/BF01572021