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Using Untagged Events in B s D s K. Decay Rates. First Look. Tag eff = 54% 46% of events not tagged g =1.17 rad, run 1 exp. Use same data and fit with & without untagged events, 10 fb -1. 0-2 o improvement, depending on d.
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First Look • Tag eff = 54% • 46% of events not tagged • g=1.17 rad, run 1 exp. Use same data and fit with & without untagged events, 10 fb-1 0-2o improvement, depending on d