Precise measurement of the b-quark fragmentation function in Z0 boson decays

Journal article

We have developed a new technique for inclusive reconstruction of the energy of B hadrons. The excellent efficiency and resolution of this technique allow us to make the most precise determination of the b-quark fragmentation function, using e+e-→Z0 decays recorded in the SLAC Large Detector experiment. We compared our measurement with the predictions of a number of fragmentation models. We excluded several of these models and measured the average scaled energy of weakly decaying B hadrons to be (xB) = 0.714 ± 0.005(stat) ± 0.007(syst) ± 0.002 (model dependence). © 2000 The American Physical Society.

Authors: Abe, K; Abe, K; Abe, T; Adam, I; Akimoto, H

• Journal: Physical Review Letters
• Volume: 84
• Issue: 19
• Pages: 4300-4304
• Publication date: 2000-05-08
• DOI: 10.1103/PhysRevLett.84.4300
• EISSN: 1079-7114
• ISSN: 0031-9007
• Language: English