Measurement of the average lifetime of hadrons containing bottom quarks

D. E. Klem, W. B. Atwood, B. C. Barish, G. R. Bonneaud, A. Courau, G. J. Donaldson, R. Dubois, M. M. Duro, E. E. Elsen, S. G. Gao, Y. Z. Huang, G. M. Irwin, R. P. Johnson, H. Kichimi, J. Kirkby, D. E. Koop, J. Ludwig, G. B. Mills, A. Ogawa, T. PalR. Pitthan, D. L. Pollard, C. Y. Prescott, L. S. Rochester, W. Ruckstuhl, M. Sakuda, S. S. Sherman, R. Stroynowski, S. Q. Wang, S. G. Wojcicki, H. Yamamoto, W. G. Yan, C. C. Young

研究成果: Article査読

19 被引用数 (Scopus)

抄録

A measurement of the average lifetime of hadrons containing bottom quarks is presented. The b hadrons are produced in e+e- annihilation at 29 GeV, and the lifetime is determined from the impact parameters of high-transverse-momentum electrons produced in the decay of the b hadrons. A b lifetime of b=1.17-0.22+0.27(stat)0.16+0.17(sys) psec is determined from a maximum-likelihood fit to the impact parameters. Particular care has been taken to describe the experimental resolution correctly in the fit.

本文言語English
ページ(範囲)41-51
ページ数11
ジャーナルPhysical Review D
37
1
DOI
出版ステータスPublished - 1988
外部発表はい

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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