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- W4238889889 abstract "We have measured gluon splitting into bottom quarks, g {yields} b{bar b}, in hadronic Z{sup 0} decays collected by SLD between 1996 and 1998. The analysis was performed by looking for secondary bottom production in 4-jet events of any primary flavor. 4-jet events were identified, and in each event a topological vertex-mass technique was applied to the two jets closest in angle in order to identify them as b or {bar b} jets. The upgraded CCD-based vertex detector gives very high B-tagging efficiency, especially for B hadrons with the low energies typical of this process. We measured the rate of g {yields} b{bar b} production per hadronic event, g{sub b{bar b}}, to be (2.44 {+-} 0.59(stat.) {+-} 0.34(syst.)) x 10{sup -3}." @default.
- W4238889889 created "2022-05-12" @default.
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- W4238889889 date "2001-02-05" @default.
- W4238889889 modified "2023-09-27" @default.
- W4238889889 title "Improved Measurement of the Probability for Gluon Splitting into b bbar in Z0 Decays" @default.
- W4238889889 doi "https://doi.org/10.2172/784866" @default.
- W4238889889 hasPublicationYear "2001" @default.
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