Distributions of p_T(Z) × ∆m in the SR after the fit to data with a (mA , mH) signal hypothesis of (1000, 850) GeV. The pre-fit signal is arbitrarily scaled and therefore omitted.

Expected 95% CL upper limits on the production cross section times branching ratio of the A → ZH → Ztt process in the (mA , mH) plane.

Expected 95% CL upper limits on the production cross section times branching ratio of the A → ZH → Ztt process in the (mA , mH) plane.

Observed 95% CL upper limits on the production cross section times branching ratio of the A → ZH → Ztt process in the (mA , mH) plane.

Observed 95% CL upper limits on the production cross section times branching ratio of the A → ZH → Ztt process in the (mA , mH) plane.

Median expected (dashed lines) and observed (filled contours) 95% CL exclusion regions in the (mH, mA) parameter space of the type-II 2HDM for tan β = 0.5 (blue), 1 (orange), and 1.5 (red), derived assuming narrow resonances. The enclosed regions are excluded. The dotted lines indicate points of constant natural line width of the A boson relative to its mass in the 2HDM.

Observed local significance of the production cross section times branching ratio of the A → ZH → Ztt process in the (mA , mH) plane.

Median expected (dashed lines) and observed (filled contours) 95% CL exclusion regions in the (mH, mA) parameter space of the type-II 2HDM for tan β = 0.5 (blue), 1 (orange), and 1.5 (red), derived assuming narrow resonances. The enclosed regions are excluded. The dotted lines indicate points of constant natural line width of the A boson relative to its mass in the 2HDM.

Median expected (dashed lines) and observed (filled contours) 95% CL exclusion regions in the (mH, mA) parameter space of the type-II 2HDM for tan β = 0.5 (blue), 1 (orange), and 1.5 (red), derived assuming narrow resonances. The enclosed regions are excluded. The dotted lines indicate points of constant natural line width of the A boson relative to its mass in the 2HDM.

Median expected (dashed lines) and observed (filled contours) 95% CL exclusion regions in the (mH, mA) parameter space of the type-II 2HDM for tan β = 0.5 (blue), 1 (orange), and 1.5 (red), derived assuming narrow resonances. The enclosed regions are excluded. The dotted lines indicate points of constant natural line width of the A boson relative to its mass in the 2HDM.

Median expected (dashed lines) and observed (filled contours) 95% CL exclusion regions in the (mH, mA) parameter space of the type-II 2HDM for tan β = 0.5 (blue), 1 (orange), and 1.5 (red), derived assuming narrow resonances. The enclosed regions are excluded. The dotted lines indicate points of constant natural line width of the A boson relative to its mass in the 2HDM.

Median expected (dashed lines) and observed (filled contours) 95% CL exclusion regions in the (mH, mA) parameter space of the type-II 2HDM for tan β = 0.5 (blue), 1 (orange), and 1.5 (red), derived assuming narrow resonances. The enclosed regions are excluded. The dotted lines indicate points of constant natural line width of the A boson relative to its mass in the 2HDM.

Median expected (dashed lines) and observed (filled contours) 95% CL exclusion regions in the (mH, mA) parameter space of the type-II 2HDM for tan β = 0.5 (blue), 1 (orange), and 1.5 (red), derived assuming narrow resonances. The enclosed regions are excluded. The dotted lines indicate points of constant natural line width of the A boson relative to its mass in the 2HDM.

Median expected (dashed lines) and observed (filled contours) 95% CL exclusion regions in the (mH, mA) parameter space of the type-II 2HDM for tan β = 0.5 (blue), 1 (orange), and 1.5 (red), derived assuming narrow resonances. The enclosed regions are excluded. The dotted lines indicate points of constant natural line width of the A boson relative to its mass in the 2HDM.

Median expected (dashed lines) and observed (filled contours) 95% CL exclusion regions in the (mH, mA) parameter space of the type-II 2HDM for tan β = 0.5 (blue), 1 (orange), and 1.5 (red), derived assuming narrow resonances. The enclosed regions are excluded. The dotted lines indicate points of constant natural line width of the A boson relative to its mass in the 2HDM.

Median expected (dashed lines) and observed (filled contours) 95% CL exclusion regions in the (mH, mA) parameter space of the type-II 2HDM for tan β = 0.5 (blue), 1 (orange), and 1.5 (red), derived assuming narrow resonances. The enclosed regions are excluded. The dotted lines indicate points of constant natural line width of the A boson relative to its mass in the 2HDM.

Median expected (dashed lines) and observed (filled contours) 95% CL exclusion regions in the (mH, mA) parameter space of the type-II 2HDM for tan β = 0.5 (blue), 1 (orange), and 1.5 (red), derived assuming narrow resonances. The enclosed regions are excluded. The dotted lines indicate points of constant natural line width of the A boson relative to its mass in the 2HDM.

Median expected (dashed lines) and observed (filled contours) 95% CL exclusion regions in the type-II 2HDM (tan β, mA) parameter space at mH = 400 GeV, derived assuming narrow resonances. The enclosed regions are excluded. The dotted lines indicate points of constant natural line width of the A boson relative to its mass in the 2HDM.

Median expected (dashed lines) and observed (filled contours) 95% CL exclusion regions in the (mH, mA) parameter space of the type-II 2HDM for tan β = 0.5 (blue), 1 (orange), and 1.5 (red), derived assuming narrow resonances. The enclosed regions are excluded. The dotted lines indicate points of constant natural line width of the A boson relative to its mass in the 2HDM.

Median expected (dashed lines) and observed (filled contours) 95% CL exclusion regions in the type-II 2HDM (tan β, mA) parameter space at mH = 400 GeV, derived assuming narrow resonances. The enclosed regions are excluded. The dotted lines indicate points of constant natural line width of the A boson relative to its mass in the 2HDM.

Median expected (dashed lines) and observed (filled contours) 95% CL exclusion regions in the type-II 2HDM (tan β, mA) parameter space at mH = 400 GeV, derived assuming narrow resonances. The enclosed regions are excluded. The dotted lines indicate points of constant natural line width of the A boson relative to its mass in the 2HDM.

Median expected (dashed lines) and observed (filled contours) 95% CL exclusion regions in the type-II 2HDM (tanβ, cos(β−α)) parameter space at mA = 600 GeV and mH = 400 GeV, derived assuming narrow resonances. The enclosed regions are excluded. The dotted lines indicate points of constant natural line width of the A boson relative to its mass in the 2HDM.

Median expected (dashed lines) and observed (filled contours) 95% CL exclusion regions in the type-II 2HDM (tan β, mA) parameter space at mH = 400 GeV, derived assuming narrow resonances. The enclosed regions are excluded. The dotted lines indicate points of constant natural line width of the A boson relative to its mass in the 2HDM.

Median expected (dashed lines) and observed (filled contours) 95% CL exclusion regions in the type-II 2HDM (tanβ, cos(β−α)) parameter space at mA = 600 GeV and mH = 400 GeV, derived assuming narrow resonances. The enclosed regions are excluded. The dotted lines indicate points of constant natural line width of the A boson relative to its mass in the 2HDM.

Median expected (dashed lines) and observed (filled contours) 95% CL exclusion regions in the type-II 2HDM (tanβ, cos(β−α)) parameter space at mA = 600 GeV and mH = 400 GeV, derived assuming narrow resonances. The enclosed regions are excluded. The dotted lines indicate points of constant natural line width of the A boson relative to its mass in the 2HDM.

Median expected (dashed lines) and observed (filled contours) 95% CL exclusion regions in the type-II 2HDM (tanβ, cos(β−α)) parameter space at mA = 600 GeV and mH = 400 GeV, derived assuming narrow resonances. The enclosed regions are excluded. The dotted lines indicate points of constant natural line width of the A boson relative to its mass in the 2HDM.