Inclusive Semileptonic B Decays at BaBar and Extraction of HQE parameters

Details Inclusive Semileptonic B Decays at BaBar and Extraction of HQE parameters Inclusive Semileptonic B Decays at BaBar and Extraction of HQE parameters

2004-06-18

arxiv.org/abs/hep-ex/0406050v1

Physics

High Energy Physics

High Energy Physics - Experiment

8 pages, 4 postscript figues, contributed to the Proceedings of the XXXIXth Rencontres de Moriond, QCD and High Energy Hadroni

Scientific paper

A measurement of the first four moments of the hadronic mass distribution in B->Xc lv decays is presented for minimum lepton momenta varying between 0.9 and 1.6 GeV, using data recorded with the BaBar detector. Furthermore, a measurement of the inclusive electron energy spectrum for semileptonic B decays together with a measurement of its first, second and third moments for minimum electron energies between 0.6 and 1.5 GeV is reported. We determine the inclusive B->Xc lv branching fraction, B_clv, the CKM matrix element |V_cb|, and other heavy-quark parameters from a simultaneous fit to the measured moments.

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