Bounds on the mass of the b' quark, revisited
Abstract
Recent results from the DELPHI collaboration led us to review the present bounds on the b' quark mass. We use all available experimental data for mb' > 96 GeV to constrain the b' quark mass as a function of the Cabibbo-Kobayashi-Maskawa elements in a sequential four generations model. We find that there is still room for a b' with a mass larger than 96 GeV.
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