Precise Measurement of the B-quark Fragmentation Function in Z° Boson Decays
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Author | : |
Publisher | : |
Total Pages | : 5 |
Release | : 1999 |
ISBN-10 | : OCLC:68439155 |
ISBN-13 | : |
Rating | : 4/5 (55 Downloads) |
Book Synopsis Precise Measurement of the B-quark Fragmentation Function in Z° Boson Decays by :
Book excerpt: The authors have developed a new technique for inclusive reconstruction of the energy of B hadrons. The excellent efficiency and resolution of this technique allow them to make the most precise determination of the b-quark fragmentation function, using ee− {r{underscore}arrow} Z° decays recorded in the SLD experiment at SLAC. The authors compared their measurement with the predictions of a number of fragmentation models. The authors excluded several of these models and measured the average scaled energy of weakly-decaying B hadrons to be (x{sub B}) = 0.714"0.005(stat)"0.007(syst)"0.002 (model-dependence).