Search for charged Higgs bosons in the $H^{\pm} \rightarrow tb$ decay channel in $pp$ collisions at $\sqrt{s} = 8$ TeV using the ATLAS detector
- Aad, Georges et al
- arXiv:1512.03704CERN-PH-EP-2015-290
 | Leading-order Feynman diagrams for the production of a charged Higgs boson with a mass $m_{\Hp}>m_{\text{top}}$, in association with a top quark (left in the 5FS, and centre in the 4FS) and in the $s$-channel (right). |
 | Leading-order Feynman diagrams for the production of a charged Higgs boson with a mass $m_{\Hp}>m_{\text{top}}$, in association with a top quark (left in the 5FS, and centre in the 4FS) and in the $s$-channel (right). |
 | Leading-order Feynman diagrams for the production of a charged Higgs boson with a mass $m_{\Hp}>m_{\text{top}}$, in association with a top quark (left in the 5FS, and centre in the 4FS) and in the $s$-channel (right). |
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 | Expected and observed limits for the production of $H^+ \to tb$ in association with a top quark, as well as bands for 68\% (in green) and 95\% (in yellow) confidence intervals. The red dash-dotted line shows the expected limit obtained in the case where a simulated signal is injected at $m_{H^+} = 300~\mbox{\GeV}$, with a production cross section times branching fraction of 1.65~pb (corresponding to the best-fit signal strength at that mass hypothesis), yielding a deviation from the expectation that extends less to higher and lower mass values than the observed upper limit. Theory predictions are shown for three representative values of $\tan\beta$ in the $m_h^\mathrm{mod-}$ benchmark scenario of the MSSM. |
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