A Search for Anomalous Heavy-Flavor Quark Production in Association with W Bosons

Details A Search for Anomalous Heavy-Flavor Quark Production in Association with W Bosons A Search for Anomalous Heavy-Flavor Quark Production in Association with W Bosons

2004-11-28

arxiv.org/abs/hep-ex/0411084v2

Phys.Rev.Lett.94:152002,2005

Physics

High Energy Physics

High Energy Physics - Experiment

submitted to Phys. Rev. Letters

Scientific paper

10.1103/PhysRevLett.94.152002

We present a search for anomalous production of heavy-flavor quark jets in association with a W boson at the Fermilab Tevatron ppbar Collider. This search is conducted through an examination of the exclusive jet spectrum of W+jets final states in which the heavy-flavor quark content has been enhanced by requiring at least one tagged jet in an event. Jets are tagged by the combined use of two algorithms, one based on semileptonic decays of b/c hadrons, and the other on their lifetimes. We compare data in e+jets (164 pb-1) and mu+jets (145 pb-1) channels, collected with the D0 detector at sqrt{s}=1.96 TeV, to expectations from the standard model, and set upper limits on anomalous production of such events.

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