Measurement of the b-quark fragmentation function in Z0 decays

Details Measurement of the b-quark fragmentation function in Z0 decays Measurement of the b-quark fragmentation function in Z0 decays

2002-02-14

arxiv.org/abs/hep-ex/0202031v1

Phys.Rev.D65:092006,2002; Erratum-ibid.D66:079905,2002

Physics

High Energy Physics

High Energy Physics - Experiment

32 pages: latex and 11 figures in eps format (submitted to Physical Review D)

Scientific paper

10.1103/PhysRevD.65.092006

We present a measurement of the b-quark inclusive fragmentation function in Z0 decays using a novel kinematic B-hadron energy reconstruction technique. The measurement was performed using 350,000 hadronic Z0 events recorded in the SLD experiment at SLAC between 1997 and 1998. We compared the sacled B-hadron energy distribution with models of b-quark fragmentation and with several ad hoc functional forms. A number of models and functions are excluded by the data. The average scaled energy of weakly-decaying B hadrons was measured to be = 0.709 +-0.003 (stat) +-0.003 (syst) +-0.002 (model).

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