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Gluon bb tagging
The SLAC group have has proposed, for the ?rst time in an hadron collider experiment, a technique to identify b-tagged jets from gluon splitting, and distinguish them from single b-tagged jets. This is important because the main backgrounds containing b?jets to signals from new physics, as well as for single-top, and Higgs production, consist of the production of a W boson in association with b?quarks produced by gluon splitting.
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