CERN Accelerating science

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Comparison between data and the predicted number of events with $N_{\textrm{j}}=$ 6, 7, 8 and $\geq 9$ and $N_{\textrm{b}}=$ 3 and 4 in the VR-MJ validation regions, which are based on a maximum value of the centrality mass, $C_{\textrm{mass}}^{\textrm{max}}$. The bottom panel displays the ratios of data to the total prediction, uncertainty bars are statistical only. The systematic uncertainties listed in Section~\ref{sec:sys} are represented by the blue hatched area.

Comparison between data and the predicted number of events with $N_{\textrm{j}}=$ 6, 7, 8 and $\geq 9$ and $N_{\textrm{b}}=$ 3 and 4 in the VR-MJ validation regions, which are based on a maximum value of the centrality mass, $C_{\textrm{mass}}^{\textrm{max}}$. The bottom panel displays the ratios of data to the total prediction, uncertainty bars are statistical only. The systematic uncertainties listed in Section~\ref{sec:sys} are represented by the blue hatched area.

Comparison between data and the number of events with $N_{\textrm{j}}=$ 6, 7, 8 and $\geq 9$ and $N_{\textrm{b}}=$4 and $\geq$5 predicted by the \trfmj\ method (grey histogram) in the VR-ZJ region, defined by the requirement of two isolated leptons with invariant mass larger than 60~\GeV. The bottom panel displays the ratios of data to the \trfmj\ prediction, uncertainty bars are statistical only. Systematic uncertainties in the \trfmj\ prediction are represented by the blue hatched area.

Comparison between data and the number of events with $N_{\textrm{j}}=$ 6, 7, 8 and $\geq 9$ and $N_{\textrm{b}}=$4 and $\geq$5 predicted by the \trfmj\ method (grey histogram) in the VR-ZJ region, defined by the requirement of two isolated leptons with invariant mass larger than 60~\GeV. The bottom panel displays the ratios of data to the \trfmj\ prediction, uncertainty bars are statistical only. Systematic uncertainties in the \trfmj\ prediction are represented by the blue hatched area.

Expected background and observed number of events in different jet and $b$-tag multiplicity bins. The background is estimated by including all bins in a background-only fit and is plotted separately for each contribution. An example signal yield for $ \tilde{t} \rightarrow \bar{b} \tilde{\chi}^{+}_{1}$ ($\tilde{\chi}^{+}_{1} \rightarrow \bar{b} \bar{b} \bar{s}$ and c.c.) production with $m_{\tilde{t}}$ = 600~\GeV\ and $m_{\tilde{\chi}^{\pm}_{1}}$ = 550~\GeV\ is overlaid. The bottom panel displays the ratios of data to the total prediction, uncertainty bars are statistical only. All uncertainties, which can be correlated across bins, are included in the error bands (hatched regions).

Expected background and observed number of events in different jet and $b$-tag multiplicity bins. The background is estimated by including all bins in a background-only fit and is plotted separately for each contribution. An example signal yield for $ \tilde{t} \rightarrow \bar{b} \tilde{\chi}^{+}_{1}$ ($\tilde{\chi}^{+}_{1} \rightarrow \bar{b} \bar{b} \bar{s}$ and c.c.) production with $m_{\tilde{t}}$ = 600~\GeV\ and $m_{\tilde{\chi}^{\pm}_{1}}$ = 550~\GeV\ is overlaid. The bottom panel displays the ratios of data to the total prediction, uncertainty bars are statistical only. All uncertainties, which can be correlated across bins, are included in the error bands (hatched regions).

Observed and expected exclusion contours for the $\tilde{t}$ and $\chi^{\pm}_{1}$ masses in a top-squark production model with RPV decays of the $\chi^{\pm}_{1}$. Limits are shown for $B(\tilde{t} \rightarrow b \chi^{+}_{1})$ equal to unity. The contours of the band around the expected limit are the $\pm 1 \sigma$ variations, including all uncertainties except theoretical uncertainties in the signal cross-section. The dotted lines around the observed limit illustrate the change in the observed limit as the nominal signal cross-section is scaled up and down by the theoretical uncertainty. All limits are computed at 95\% CL. The results are constrained by the kinematic limits of the top-squark decay into a chargino and a bottom quark (diagonal line).

Observed and expected exclusion contours for the $\tilde{t}$ and $\chi^{\pm}_{1}$ masses in a top-squark production model with RPV decays of the $\chi^{\pm}_{1}$. Limits are shown for $B(\tilde{t} \rightarrow b \chi^{+}_{1})$ equal to unity. The contours of the band around the expected limit are the $\pm 1 \sigma$ variations, including all uncertainties except theoretical uncertainties in the signal cross-section. The dotted lines around the observed limit illustrate the change in the observed limit as the nominal signal cross-section is scaled up and down by the theoretical uncertainty. All limits are computed at 95\% CL. The results are constrained by the kinematic limits of the top-squark decay into a chargino and a bottom quark (diagonal line).

Observed and expected exclusion contours for the $\tilde{t}$ and $\chi^{\pm}_{1}$ masses in a top-squark production model with RPV decays of the $\chi^{\pm}_{1}$ and of the $\tilde{\chi}^0_{1,2}$. Limits are shown in the case of a higgsino LSP. The contours of the band around the expected limit are the $\pm 1 \sigma$ variations, including all uncertainties except theoretical uncertainties in the signal cross-section. The dotted lines around the observed limit illustrate the change in the observed limit as the nominal signal cross-section is scaled up and down by the theoretical uncertainty. All limits are computed at 95\% CL. The results are constrained by the kinematic limits of the top-squark decay into a chargino and a bottom quark (upper diagonal line) and into a neutralino and a top quark (lower diagonal line), respectively. Also shown are the limits from Ref.~\cite{Aaboud:2017faq}.

Observed and expected exclusion contours for the $\tilde{t}$ and $\chi^{\pm}_{1}$ masses in a top-squark production model with RPV decays of the $\chi^{\pm}_{1}$ and of the $\tilde{\chi}^0_{1,2}$. Limits are shown in the case of a higgsino LSP. The contours of the band around the expected limit are the $\pm 1 \sigma$ variations, including all uncertainties except theoretical uncertainties in the signal cross-section. The dotted lines around the observed limit illustrate the change in the observed limit as the nominal signal cross-section is scaled up and down by the theoretical uncertainty. All limits are computed at 95\% CL. The results are constrained by the kinematic limits of the top-squark decay into a chargino and a bottom quark (upper diagonal line) and into a neutralino and a top quark (lower diagonal line), respectively. Also shown are the limits from Ref.~\cite{Aaboud:2017faq}.