Measurement of the Average $B$-Hadron Lifetime in $Z^{0}$ Decays

Details Measurement of the Average $B$-Hadron Lifetime in $Z^{0}$ Decays Measurement of the Average $B$-Hadron Lifetime in $Z^{0}$ Decays

1995-11-13

arxiv.org/abs/hep-ex/9511005v1

Phys.Rev.Lett.75:3624-3628,1995

Physics

High Energy Physics

High Energy Physics - Experiment

10 pages, uuencoded gzip-compressed postscript (79 kB)

Scientific paper

10.1103/PhysRevLett.75.3624

We report a measurement of the average $B$-hadron lifetime using data collected with the SLD detector at the SLC in 1993. An inclusive analysis selected three-dimensional vertices with $B$-hadron lifetime information in a sample of 50k $Z^{0}$ decays. A lifetime of $1.564\pm0.030\,(\rm stat)\pm 0.037\,(\rm syst)$~ps was extracted from the decay length distribution of these vertices using a binned maximum-likelihood method.

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