Measurement of B c properties at CDF - High Energy Physics - ExperimentReportar como inadecuado




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Abstract: The Bc meson is composed of two heavy quarks of distinct flavor. Measurementsof its lifetime and production properties have been made based on semileptonicBc to J-psi+l+X decays using data collected with the CDF II detectorcorresponding to an integrated luminosity of 1 fb-1. The Bc average lifetimectau is measured to be 142.5+15.8-14.8stat 5.5syst mum. The measurements ofthe ratio of the production cross section times branching ratio of Bc toJ-psi+mu+nu relative to B+ to J-psi+K were done for two pTB thresholds: forpTB greater 4 GeV-c as 0.295+-0.040stat+0.033-0.026syst.0.036pTspectrum and for pTB greater 6 GeV-c as0.227+-0.033stat+0.024-0.017syst.+-0.014pT spectrum.



Autor: T.S. Nigmanov, K.R. Gibson, M.P. Hartz, P.F. Shepard, for the CDF Collaboration

Fuente: https://arxiv.org/







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