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. Pal; R. 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

doi:10.1103/PhysRevD.37.41

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

Research output: Contribution to journal › Article › peer-review

19 Citations (Scopus)

Abstract

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.

Original language	English
Pages (from-to)	41-51
Number of pages	11
Journal	Physical Review D
Volume	37
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevD.37.41
Publication status	Published - 1988
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1103/PhysRevD.37.41

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Klem, D. E., Atwood, W. B., Barish, B. C., Bonneaud, G. R., Courau, A., Donaldson, G. J., Dubois, R., Duro, M. M., Elsen, E. E., Gao, S. G., Huang, Y. Z., Irwin, G. M., Johnson, R. P., Kichimi, H., Kirkby, J., Koop, D. E., Ludwig, J., Mills, G. B., Ogawa, A., ... Young, C. C. (1988). Measurement of the average lifetime of hadrons containing bottom quarks. Physical Review D, 37(1), 41-51. https://doi.org/10.1103/PhysRevD.37.41

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

In: Physical Review D, Vol. 37, No. 1, 1988, p. 41-51.

Research output: Contribution to journal › Article › peer-review

Klem, DE, Atwood, WB, Barish, BC, Bonneaud, GR, Courau, A, Donaldson, GJ, Dubois, R, Duro, MM, Elsen, EE, Gao, SG, Huang, YZ, Irwin, GM, Johnson, RP, Kichimi, H, Kirkby, J, Koop, DE, Ludwig, J, Mills, GB, Ogawa, A, Pal, T, Pitthan, R, Pollard, DL, Prescott, CY, Rochester, LS, Ruckstuhl, W, Sakuda, M, Sherman, SS, Stroynowski, R, Wang, SQ, Wojcicki, SG, Yamamoto, H, Yan, WG & Young, CC 1988, 'Measurement of the average lifetime of hadrons containing bottom quarks', Physical Review D, vol. 37, no. 1, pp. 41-51. https://doi.org/10.1103/PhysRevD.37.41

Klem, D. E. ; Atwood, W. B. ; Barish, B. C. ; Bonneaud, G. R. ; Courau, A. ; Donaldson, G. J. ; Dubois, R. ; Duro, M. M. ; Elsen, E. E. ; Gao, S. G. ; Huang, Y. Z. ; Irwin, G. M. ; Johnson, R. P. ; Kichimi, H. ; Kirkby, J. ; Koop, D. E. ; Ludwig, J. ; Mills, G. B. ; Ogawa, A. ; Pal, T. ; Pitthan, R. ; Pollard, D. L. ; Prescott, C. Y. ; Rochester, L. S. ; Ruckstuhl, W. ; Sakuda, M. ; Sherman, S. S. ; Stroynowski, R. ; Wang, S. Q. ; Wojcicki, S. G. ; Yamamoto, H. ; Yan, W. G. ; Young, C. C. / Measurement of the average lifetime of hadrons containing bottom quarks. In: Physical Review D. 1988 ; Vol. 37, No. 1. pp. 41-51.

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AU - Atwood, W. B.

AU - Barish, B. C.

AU - Bonneaud, G. R.

AU - Courau, A.

AU - Donaldson, G. J.

AU - Dubois, R.

AU - Duro, M. M.

AU - Elsen, E. E.

AU - Gao, S. G.

AU - Huang, Y. Z.

AU - Irwin, G. M.

AU - Johnson, R. P.

AU - Kichimi, H.

AU - Kirkby, J.

AU - Koop, D. E.

AU - Ludwig, J.

AU - Mills, G. B.

AU - Ogawa, A.

AU - Pal, T.

AU - Pitthan, R.

AU - Pollard, D. L.

AU - Prescott, C. Y.

AU - Rochester, L. S.

AU - Ruckstuhl, W.

AU - Sakuda, M.

AU - Sherman, S. S.

AU - Stroynowski, R.

AU - Wang, S. Q.

AU - Wojcicki, S. G.

AU - Yamamoto, H.

AU - Yan, W. G.

AU - Young, C. C.

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AB - 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.

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