Research Papers in Physics and Astronomy


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Published in PHYSICAL REVIEW Letters 98, 221801 (2007). © 2007 The American Physical Society. Used by permission.


Fermilab Tevatron. Technicolor predicts that technipions π T decay dominantly into bb̅, bc̅, or b̅c, depending on their charge. In these events b and c quarks are identified by their secondary decay vertices within jets. Two analysis methods based on topological variables are presented. Since no excess above the standard model prediction was found, the result is presented as an exclusion in the πT vs ρ T mass plane for a given set of model parameters.

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