Physics – High Energy Physics – High Energy Physics - Experiment
Scientific paper
2009-06-29
Phys.Rev.D80:051107,2009
Physics
High Energy Physics
High Energy Physics - Experiment
7 pages, 5 figures, Submitted to Phys. Rev. D
Scientific paper
10.1103/PhysRevD.80.051107
We present a search for charged Higgs bosons in decays of top quarks, in the mass range $80 < m_{H^{\pm} < 155$ GeV, assuming the subsequent decay $H^{+} \to \tau^{+} \nu_\tau$ (and its charge conjugate). Using 0.9 fb$^{-1}$ of lepton+jets data collected with the D0 detector at the Fermilab Tevatron $p\bar{p}$ collider, operating at a center of mass energy $\sqrt{s}=1.96$ TeV, we find no evidence for a $H^{\pm}$ signal. Hence, we exclude branching ratios $B(t \to H^+b) > 0.24$ for $m_{H^{\pm}=80$ GeV, and $B(t \to H^+b) > 0.19$ for $m_{H^{\pm}=155$ GeV, at the 95% C.L.
Abazov V. M.
The D0 Collaboration
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