Search for resonant production of strongly coupled dark matter in proton-proton collisions at 13 TeV

The CMS collaboration
JHEP 06 (2022) 156, 2022.

Abstract (data abstract)
The first collider search for dark matter arising from a strongly coupled hidden sector is presented, using a data sample corresponding to $138\,\text{fb}^{-1}$, collected with the CMS detector at the CERN LHC, at a center-of-mass energy of $13\,\text{TeV}$. The hidden sector is hypothesized to couple to the standard model (SM) via a heavy leptophobic $\text{Z}^{\prime}$ mediator, which would be produced as a resonance in proton-proton collisions. The mediator decay results in two "semivisible" jets, containing both visible matter and invisible dark matter. The final state therefore includes moderate missing energy aligned with one of the jets, a signature ignored by most dark matter searches. The observed dijet transverse mass spectra are smoothly falling, as expected from the SM; no structure compatible with the signal is observed. Assuming the $\text{Z}^{\prime}$ and SM Z bosons have the same couplings to the SM quarks, an inclusive search, relevant to any model that exhibits this kinematic behavior, excludes mediator masses of 1.5--$4.0\,\text{TeV}$ at 95% confidence level, depending on the other signal model parameters. To enhance the sensitivity of the search for this particular class of hidden sector models, a boosted decision tree (BDT) is trained using jet substructure variables to distinguish between semivisible jets and SM jets from background processes. When the BDT is employed to identify each jet in the dijet system as semivisible, the mediator mass exclusion increases to $5.1\,\text{TeV}$, for wider ranges of the other signal model parameters.

  • Figure 2a

    Data from Figure 2 (left).

    10.17182/hepdata.115426.v3/t1

    The normalized distribution of the characteristic variable $R_{\text{T}}$ for the simulated SM backgrounds and several signal models. The requirement on...

  • Figure 2b

    Data from Figure 2 (right).

    10.17182/hepdata.115426.v3/t2

    The normalized distribution of the characteristic variable $\Delta\phi_{\text{min}}$ for the simulated SM backgrounds and several signal models. The requirement on...

  • Figure 3a

    Data from Figure 3 (left).

    10.17182/hepdata.115426.v3/t3

    The normalized distributions of the BDT input variable $m_{\text{SD}}$ for the two highest $p_{\text{T}}$ jets from the simulated SM backgrounds...

  • Figure 3b

    Data from Figure 3 (right).

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    The normalized distributions of the BDT input variable $D_{p_{\text{T}}}$ for the two highest $p_{\text{T}}$ jets from the simulated SM backgrounds...

  • Figure 4a

    Data from Figure 4 (left).

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    The normalized BDT discriminator distribution for the two highest $p_{\text{T}}$ jets from the simulated SM backgrounds and several signal models.

  • Figure 4b (signal vs. QCD)

    Data from Figure 4 (right).

    10.17182/hepdata.115426.v3/t6

    The BDT ROC curves for the two highest $p_{\text{T}}$ jets, comparing the simulated SM backgrounds with one signal model with...

  • Figure 4b (signal vs. $\text{t}\overline{\text{t}}$)

    Data from Figure 4 (right).

    10.17182/hepdata.115426.v3/t7

    The BDT ROC curves for the two highest $p_{\text{T}}$ jets, comparing the simulated SM backgrounds with one signal model with...

  • Figure 4b (signal vs. W+jets)

    Data from Figure 4 (right).

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    The BDT ROC curves for the two highest $p_{\text{T}}$ jets, comparing the simulated SM backgrounds with one signal model with...

  • Figure 4b (signal vs. Z+jets)

    Data from Figure 4 (right).

    10.17182/hepdata.115426.v3/t9

    The BDT ROC curves for the two highest $p_{\text{T}}$ jets, comparing the simulated SM backgrounds with one signal model with...

  • Figure 5a

    Data from Figure 5 (left).

    10.17182/hepdata.115426.v3/t10

    The $m_{\text{T}}$ distribution for the high-$R_{\text{T}}$ signal region, comparing the observed data to the background prediction from the analytic fit...

  • Figure 5b

    Data from Figure 5 (right).

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    The $m_{\text{T}}$ distribution for the low-$R_{\text{T}}$ signal region, comparing the observed data to the background prediction from the analytic fit...

  • Figure 6a

    Data from Figure 6 (left).

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    The $m_{\text{T}}$ distribution for the high-SVJ2 signal region, comparing the observed data to the background prediction from the analytic fit...

  • Figure 6b

    Data from Figure 6 (right).

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    The $m_{\text{T}}$ distribution for the low-SVJ2 signal region, comparing the observed data to the background prediction from the analytic fit...

  • Figure 7a

    Data from Figure 7 (top left).

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    The 95% CL observed upper limits on the product of the cross section and branching fraction from the inclusive search...

  • Figure 7a (Median expected exclusion contour 1)

    Data from Figure 7 (top left).

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    The expected exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 7a (Median expected exclusion contour 2)

    Data from Figure 7 (top left).

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    The expected exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 7a (Observed exclusion contour 1)

    Data from Figure 7 (top left).

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    The observed exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 7a (Observed exclusion contour 2)

    Data from Figure 7 (top left).

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    The observed exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 7a (Lower 68 expected exclusion contour 1)

    Data from Figure 7 (top left).

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    The lower 68% expected exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 7a (Lower 68 expected exclusion contour 2)

    Data from Figure 7 (top left).

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    The lower 68% expected exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 7a (Upper 68 expected exclusion contour 1)

    Data from Figure 7 (top left).

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    The upper 68% expected exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 7a (Upper 68 expected exclusion contour 2)

    Data from Figure 7 (top left).

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    The upper 68% expected exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 7a (Lower 95 expected exclusion contour 1)

    Data from Figure 7 (top left).

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    The lower 95% expected exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 7a (Lower 95 expected exclusion contour 2)

    Data from Figure 7 (top left).

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    The lower 95% expected exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 7a (Upper 95 expected exclusion contour 1)

    Data from Figure 7 (top left).

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    The upper 95% expected exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 7b

    Data from Figure 7 (top right).

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    The 95% CL observed upper limits on the product of the cross section and branching fraction from the inclusive search...

  • Figure 7b (Median expected exclusion contour 1)

    Data from Figure 7 (top right).

    10.17182/hepdata.115426.v3/t27

    The expected exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 7b (Observed exclusion contour 1)

    Data from Figure 7 (top right).

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    The observed exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 7b (Lower 68 expected exclusion contour 1)

    Data from Figure 7 (top right).

    10.17182/hepdata.115426.v3/t29

    The lower 68% expected exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 7b (Lower 68 expected exclusion contour 2)

    Data from Figure 7 (top right).

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    The lower 68% expected exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 7b (Upper 68 expected exclusion contour 1)

    Data from Figure 7 (top right).

    10.17182/hepdata.115426.v3/t31

    The upper 68% expected exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 7b (Lower 95 expected exclusion contour 1)

    Data from Figure 7 (top right).

    10.17182/hepdata.115426.v3/t32

    The lower 95% expected exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 7b (Upper 95 expected exclusion contour 1)

    Data from Figure 7 (top right).

    10.17182/hepdata.115426.v3/t33

    The upper 95% expected exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 7b (Upper 95 expected exclusion contour 2)

    Data from Figure 7 (top right).

    10.17182/hepdata.115426.v3/t34

    The upper 95% expected exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 8a

    Data from Figure 8 (top left).

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    The 95% CL observed upper limits on the product of the cross section and branching fraction from the BDT-based search...

  • Figure 8a (Median expected exclusion contour 1)

    Data from Figure 8 (top left).

    10.17182/hepdata.115426.v3/t36

    The expected exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 8a (Median expected exclusion contour 2)

    Data from Figure 8 (top left).

    10.17182/hepdata.115426.v3/t37

    The expected exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 8a (Median expected exclusion contour 3)

    Data from Figure 8 (top left).

    10.17182/hepdata.115426.v3/t38

    The expected exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 8a (Observed exclusion contour 1)

    Data from Figure 8 (top left).

    10.17182/hepdata.115426.v3/t39

    The observed exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 8a (Observed exclusion contour 2)

    Data from Figure 8 (top left).

    10.17182/hepdata.115426.v3/t40

    The observed exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 8a (Observed exclusion contour 3)

    Data from Figure 8 (top left).

    10.17182/hepdata.115426.v3/t41

    The observed exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 8a (Observed exclusion contour 4)

    Data from Figure 8 (top left).

    10.17182/hepdata.115426.v3/t42

    The observed exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 8a (Lower 68 expected exclusion contour 1)

    Data from Figure 8 (top left).

    10.17182/hepdata.115426.v3/t43

    The lower 68% expected exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 8a (Lower 68 expected exclusion contour 2)

    Data from Figure 8 (top left).

    10.17182/hepdata.115426.v3/t44

    The lower 68% expected exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 8a (Lower 68 expected exclusion contour 3)

    Data from Figure 8 (top left).

    10.17182/hepdata.115426.v3/t45

    The lower 68% expected exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 8a (Upper 68 expected exclusion contour 1)

    Data from Figure 8 (top left).

    10.17182/hepdata.115426.v3/t46

    The upper 68% expected exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 8a (Upper 68 expected exclusion contour 2)

    Data from Figure 8 (top left).

    10.17182/hepdata.115426.v3/t47

    The upper 68% expected exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 8a (Upper 68 expected exclusion contour 3)

    Data from Figure 8 (top left).

    10.17182/hepdata.115426.v3/t48

    The upper 68% expected exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 8a (Lower 95 expected exclusion contour 1)

    Data from Figure 8 (top left).

    10.17182/hepdata.115426.v3/t49

    The lower 95% expected exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 8a (Lower 95 expected exclusion contour 2)

    Data from Figure 8 (top left).

    10.17182/hepdata.115426.v3/t50

    The lower 95% expected exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 8a (Upper 95 expected exclusion contour 1)

    Data from Figure 8 (top left).

    10.17182/hepdata.115426.v3/t51

    The upper 95% expected exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 8a (Upper 95 expected exclusion contour 2)

    Data from Figure 8 (top left).

    10.17182/hepdata.115426.v3/t52

    The upper 95% expected exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 8a (Upper 95 expected exclusion contour 3)

    Data from Figure 8 (top left).

    10.17182/hepdata.115426.v3/t53

    The upper 95% expected exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 8b

    Data from Figure 8 (top right).

    10.17182/hepdata.115426.v3/t54

    The 95% CL observed upper limits on the product of the cross section and branching fraction from the BDT-based search...

  • Figure 8b (Median expected exclusion contour 1)

    Data from Figure 8 (top right).

    10.17182/hepdata.115426.v3/t55

    The expected exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 8b (Median expected exclusion contour 2)

    Data from Figure 8 (top right).

    10.17182/hepdata.115426.v3/t56

    The expected exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 8b (Median expected exclusion contour 3)

    Data from Figure 8 (top right).

    10.17182/hepdata.115426.v3/t57

    The expected exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 8b (Observed exclusion contour 1)

    Data from Figure 8 (top right).

    10.17182/hepdata.115426.v3/t58

    The observed exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 8b (Observed exclusion contour 2)

    Data from Figure 8 (top right).

    10.17182/hepdata.115426.v3/t59

    The observed exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 8b (Lower 68 expected exclusion contour 1)

    Data from Figure 8 (top right).

    10.17182/hepdata.115426.v3/t60

    The lower 68% expected exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 8b (Lower 68 expected exclusion contour 2)

    Data from Figure 8 (top right).

    10.17182/hepdata.115426.v3/t61

    The lower 68% expected exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 8b (Lower 68 expected exclusion contour 3)

    Data from Figure 8 (top right).

    10.17182/hepdata.115426.v3/t62

    The lower 68% expected exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 8b (Lower 68 expected exclusion contour 4)

    Data from Figure 8 (top right).

    10.17182/hepdata.115426.v3/t63

    The lower 68% expected exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 8b (Upper 68 expected exclusion contour 1)

    Data from Figure 8 (top right).

    10.17182/hepdata.115426.v3/t64

    The upper 68% expected exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 8b (Lower 95 expected exclusion contour 1)

    Data from Figure 8 (top right).

    10.17182/hepdata.115426.v3/t65

    The lower 95% expected exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 8b (Lower 95 expected exclusion contour 2)

    Data from Figure 8 (top right).

    10.17182/hepdata.115426.v3/t66

    The lower 95% expected exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 8b (Lower 95 expected exclusion contour 3)

    Data from Figure 8 (top right).

    10.17182/hepdata.115426.v3/t67

    The lower 95% expected exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 8b (Lower 95 expected exclusion contour 4)

    Data from Figure 8 (top right).

    10.17182/hepdata.115426.v3/t68

    The lower 95% expected exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 8b (Upper 95 expected exclusion contour 1)

    Data from Figure 8 (top right).

    10.17182/hepdata.115426.v3/t69

    The upper 95% expected exclusion for the nominal $\text{Z}^{\prime}$ cross section.

  • Figure 7c

    Data from Figure 7 (bottom).

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    The 95% CL upper limits on the product of the cross section and branching fraction from the inclusive search for...

  • Figure 8c

    Data from Figure 8 (bottom).

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    The 95% CL upper limits on the product of the cross section and branching fraction from the BDT-based search for...

  • Table 1

    Data from Table 1

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    The three two-dimensional signal model parameter scans.

  • Table 3

    Data from Table 3

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    Metrics representing the performance of the BDT for the benchmark signal model ($m_{\text{Z}^{\prime}} = 3.1\,\text{TeV}$, $m_{\text{dark}} = 20\,\text{GeV}$, $r_{\text{inv}} =...

  • Table 4

    Data from Table 4

    10.17182/hepdata.115426.v3/t74

    The range of effects on the signal yield for each systematic uncertainty and the total. Values less than 0.01% are...

  • Supplementary Figure 1a

    Data from Supplementary Figure 1 (top).

    10.17182/hepdata.115426.v3/t75

    The normalized distribution of the variable $m_{\text{T}}$ for the simulated SM backgrounds and several signal models. The requirement on this...

  • Supplementary Figure 1b

    Data from Supplementary Figure 1 (middle left).

    10.17182/hepdata.115426.v3/t76

    The normalized distribution of the variable $\Delta\eta(\text{J}_{1},\text{J}_{2})$ for the simulated SM backgrounds and several signal models. The requirement on this...

  • Supplementary Figure 1c

    Data from Supplementary Figure 1 (middle right).

    10.17182/hepdata.115426.v3/t77

    The normalized distribution of the variable $p_{\text{T}}^{\text{miss}}$ for the simulated SM backgrounds and several signal models. The $R_{\text{T}}$ requirement is...

  • Supplementary Figure 1d

    Data from Supplementary Figure 1 (bottom left).

    10.17182/hepdata.115426.v3/t78

    The normalized distribution of the variable $N_{\text{e}}$ for the simulated SM backgrounds and several signal models. The requirement on this...

  • Supplementary Figure 1e

    Data from Supplementary Figure 1 (bottom right).

    10.17182/hepdata.115426.v3/t79

    The normalized distribution of the variable $N_{\mu}$ for the simulated SM backgrounds and several signal models. The requirement on this...

  • Supplementary Figure 2

    Data from Supplementary Figure 2

    10.17182/hepdata.115426.v3/t80

    The normalized distribution of $\Delta\eta(\text{J}_{1},\text{J}_{2})$ vs. $R_{\text{T}}$ for the simulated QCD background. The preselection requirements on both variables are omitted,...

  • Supplementary Figure 3a

    Data from Supplementary Figure 3 (left)

    10.17182/hepdata.115426.v3/t81

    The normalized distribution of $p_{\text{T}}^{\text{miss}}$ vs. $m_{\text{T}}$ for the simulated QCD background. All selection requirements are omitted, except for the...

  • Supplementary Figure 3b

    Data from Supplementary Figure 3 (right)

    10.17182/hepdata.115426.v3/t82

    The normalized distribution of $R_{\text{T}}$ vs. $m_{\text{T}}$ for the simulated QCD background. All selection requirements are omitted, except for the...

  • Supplementary Figure 4a

    Data from Supplementary Figure 4 (top left)

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    The normalized distributions of the BDT input variable $\tau_{21}$ for the two highest $p_{\text{T}}$ wide jets from the simulated SM...

  • Supplementary Figure 4b

    Data from Supplementary Figure 4 (top right)

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    The normalized distributions of the BDT input variable $\tau_{32}$ for the two highest $p_{\text{T}}$ wide jets from the simulated SM...

  • Supplementary Figure 4c

    Data from Supplementary Figure 4 (bottom left)

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    The normalized distributions of the BDT input variable $N_{2}^{(1)}$ for the two highest $p_{\text{T}}$ wide jets from the simulated SM...

  • Supplementary Figure 4d

    Data from Supplementary Figure 4 (bottom right)

    10.17182/hepdata.115426.v3/t86

    The normalized distributions of the BDT input variable $N_{3}^{(1)}$ for the two highest $p_{\text{T}}$ wide jets from the simulated SM...

  • Supplementary Figure 5a

    Data from Supplementary Figure 5 (top left)

    10.17182/hepdata.115426.v3/t87

    The normalized distributions of the BDT input variable $g_{\text{jet}}$ for the two highest $p_{\text{T}}$ wide jets from the simulated SM...

  • Supplementary Figure 5b

    Data from Supplementary Figure 5 (top right)

    10.17182/hepdata.115426.v3/t88

    The normalized distributions of the BDT input variable $\sigma_{\text{major}}$ for the two highest $p_{\text{T}}$ wide jets from the simulated SM...

  • Supplementary Figure 5c

    Data from Supplementary Figure 5 (bottom left)

    10.17182/hepdata.115426.v3/t89

    The normalized distributions of the BDT input variable $\sigma_{\text{minor}}$ for the two highest $p_{\text{T}}$ wide jets from the simulated SM...

  • Supplementary Figure 5d

    Data from Supplementary Figure 5 (bottom right)

    10.17182/hepdata.115426.v3/t90

    The normalized distributions of the BDT input variable $\Delta\phi(\vec{J},\vec{p}_{\text{T}}^{\text{miss}})$ for the two highest $p_{\text{T}}$ wide jets from the simulated SM...

  • Supplementary Figure 6a

    Data from Supplementary Figure 6 (top left)

    10.17182/hepdata.115426.v3/t91

    The normalized distributions of the BDT input variable $f_{\text{h}^{\pm}}$ for the two highest $p_{\text{T}}$ wide jets from the simulated SM...

  • Supplementary Figure 6b

    Data from Supplementary Figure 6 (top right)

    10.17182/hepdata.115426.v3/t92

    The normalized distributions of the BDT input variable $f_{\text{e}}$ for the two highest $p_{\text{T}}$ wide jets from the simulated SM...

  • Supplementary Figure 6c

    Data from Supplementary Figure 6 (middle left)

    10.17182/hepdata.115426.v3/t93

    The normalized distributions of the BDT input variable $f_{\mu}$ for the two highest $p_{\text{T}}$ wide jets from the simulated SM...

  • Supplementary Figure 6d

    Data from Supplementary Figure 6 (middle right)

    10.17182/hepdata.115426.v3/t94

    The normalized distributions of the BDT input variable $f_{\text{h}^{0}}$ for the two highest $p_{\text{T}}$ wide jets from the simulated SM...

  • Supplementary Figure 6e

    Data from Supplementary Figure 6 (middle left)

    10.17182/hepdata.115426.v3/t95

    The normalized distributions of the BDT input variable $f_{\gamma}$ for the two highest $p_{\text{T}}$ wide jets from the simulated SM...

  • Supplementary Figure 7a

    Data from Supplementary Figure 7 (top left)

    10.17182/hepdata.115426.v3/t96

    The product of signal acceptance and efficiency in the high-$R_{\text{T}}$ signal region, for variations of the mediator mass and the...

  • Supplementary Figure 7b

    Data from Supplementary Figure 7 (top right)

    10.17182/hepdata.115426.v3/t97

    The product of signal acceptance and efficiency in the high-$R_{\text{T}}$ signal region, for variations of the mediator mass and the...

  • Supplementary Figure 7c

    Data from Supplementary Figure 7 (bottom)

    10.17182/hepdata.115426.v3/t98

    The product of signal acceptance and efficiency in the high-$R_{\text{T}}$ signal region, for variations of the mediator mass and the...

  • Supplementary Figure 8a

    Data from Supplementary Figure 8 (top left)

    10.17182/hepdata.115426.v3/t99

    The product of signal acceptance and efficiency in the low-$R_{\text{T}}$ signal region, for variations of the mediator mass and the...

  • Supplementary Figure 8b

    Data from Supplementary Figure 8 (top right)

    10.17182/hepdata.115426.v3/t100

    The product of signal acceptance and efficiency in the low-$R_{\text{T}}$ signal region, for variations of the mediator mass and the...

  • Supplementary Figure 8c

    Data from Supplementary Figure 8 (bottom)

    10.17182/hepdata.115426.v3/t101

    The product of signal acceptance and efficiency in the low-$R_{\text{T}}$ signal region, for variations of the mediator mass and the...

  • Supplementary Figure 9a

    Data from Supplementary Figure 9 (top left)

    10.17182/hepdata.115426.v3/t102

    The product of signal acceptance and efficiency in the high-SVJ2 signal region, for variations of the mediator mass and the...

  • Supplementary Figure 9b

    Data from Supplementary Figure 9 (top right)

    10.17182/hepdata.115426.v3/t103

    The product of signal acceptance and efficiency in the high-SVJ2 signal region, for variations of the mediator mass and the...

  • Supplementary Figure 9c

    Data from Supplementary Figure 9 (bottom)

    10.17182/hepdata.115426.v3/t104

    The product of signal acceptance and efficiency in the high-SVJ2 signal region, for variations of the mediator mass and the...

  • Supplementary Figure 10a

    Data from Supplementary Figure 10 (top left)

    10.17182/hepdata.115426.v3/t105

    The product of signal acceptance and efficiency in the low-SVJ2 signal region, for variations of the mediator mass and the...

  • Supplementary Figure 10b

    Data from Supplementary Figure 10 (top right)

    10.17182/hepdata.115426.v3/t106

    The product of signal acceptance and efficiency in the low-SVJ2 signal region, for variations of the mediator mass and the...

  • Supplementary Figure 10c

    Data from Supplementary Figure 10 (bottom)

    10.17182/hepdata.115426.v3/t107

    The product of signal acceptance and efficiency in the low-SVJ2 signal region, for variations of the mediator mass and the...

  • Supplementary Figure 11

    Data from Supplementary Figure 11

    10.17182/hepdata.115426.v3/t108

    Comparison of different the dijet mass $m_{\text{J}\text{J}}$, the transverse mass $m_{\text{T}}$, and the Monte Carlo (MC) mass $m_{\text{MC}}$ for a...

  • Supplementary Figure 12a

    Data from Supplementary Figure 12 (left)

    10.17182/hepdata.115426.v3/t109

    $m_{\text{T}}$ distributions for signal models with different $m_{\text{dark}}$ values for the high-$R_{\text{T}}$ inclusive signal region.

  • Supplementary Figure 12b

    Data from Supplementary Figure 12 (right)

    10.17182/hepdata.115426.v3/t110

    $m_{\text{T}}$ distributions for signal models with different $m_{\text{dark}}$ values for the low-$R_{\text{T}}$ inclusive signal region.

  • Supplementary Figure 13a

    Data from Supplementary Figure 13 (left)

    10.17182/hepdata.115426.v3/t111

    $m_{\text{T}}$ distributions for signal models with different $r_{\text{inv}}$ values for the high-$R_{\text{T}}$ inclusive signal region.

  • Supplementary Figure 13b

    Data from Supplementary Figure 13 (right)

    10.17182/hepdata.115426.v3/t112

    $m_{\text{T}}$ distributions for signal models with different $r_{\text{inv}}$ values for the low-$R_{\text{T}}$ inclusive signal region.

  • Supplementary Figure 14a

    Data from Supplementary Figure 14 (left)

    10.17182/hepdata.115426.v3/t113

    $m_{\text{T}}$ distributions for signal models with different $\alpha_{\text{dark}}$ values for the high-$R_{\text{T}}$ inclusive signal region.

  • Supplementary Figure 14b

    Data from Supplementary Figure 14 (right)

    10.17182/hepdata.115426.v3/t114

    $m_{\text{T}}$ distributions for signal models with different $\alpha_{\text{dark}}$ values for the low-$R_{\text{T}}$ inclusive signal region.

  • Supplementary Figure 15a

    Data from Supplementary Figure 15 (left)

    10.17182/hepdata.115426.v3/t115

    The proportions of each SM background process in the high-$R_{\text{T}}$ signal region.

  • Supplementary Figure 15b

    Data from Supplementary Figure 15 (right)

    10.17182/hepdata.115426.v3/t116

    The proportions of each SM background process in the low-$R_{\text{T}}$ signal region.

  • Supplementary Figure 16a

    Data from Supplementary Figure 16 (left)

    10.17182/hepdata.115426.v3/t117

    The proportions of each SM background process in the high-SVJ2 signal region.

  • Supplementary Figure 16b

    Data from Supplementary Figure 16 (right)

    10.17182/hepdata.115426.v3/t118

    The proportions of each SM background process in the low-SVJ2 signal region.

  • Supplementary Figure 17a

    Data from Supplementary Figure 17 (left).

    10.17182/hepdata.115426.v3/t119

    The 95% CL expected upper limits on the product of the cross section and branching fraction from the inclusive search...

  • Supplementary Figure 17b

    Data from Supplementary Figure 17 (right).

    10.17182/hepdata.115426.v3/t120

    The 95% CL expected upper limits on the product of the cross section and branching fraction from the inclusive search...

  • Supplementary Figure 18a

    Data from Supplementary Figure 18 (left).

    10.17182/hepdata.115426.v3/t121

    The 95% CL expected upper limits on the product of the cross section and branching fraction from the BDT-based search...

  • Supplementary Figure 18b

    Data from Supplementary Figure 18 (right).

    10.17182/hepdata.115426.v3/t122

    The 95% CL expected upper limits on the product of the cross section and branching fraction from the BDT-based search...

  • Supplementary Table 1

    Data from Table 1

    10.17182/hepdata.115426.v3/t123

    Relative efficiencies in % for each step of the event selection process for the major background processes. Statistical uncertainties, at...

  • Supplementary Table 2

    Data from Table 2

    10.17182/hepdata.115426.v3/t124

    Relative efficiencies in % for each step of the event selection process for signals with $m_{\text{Z}^{\prime}} = 2.1\,\text{TeV}$, varying $m_{\text{dark}}$...

  • Supplementary Table 3

    Data from Table 3

    10.17182/hepdata.115426.v3/t125

    Relative efficiencies in % for each step of the event selection process for signals with $m_{\text{Z}^{\prime}} = 3.1\,\text{TeV}$, varying $m_{\text{dark}}$...

  • Supplementary Table 4

    Data from Table 4

    10.17182/hepdata.115426.v3/t126

    Relative efficiencies in % for each step of the event selection process for signals with $m_{\text{Z}^{\prime}} = 4.1\,\text{TeV}$, varying $m_{\text{dark}}$...

  • Supplementary Table 5

    Data from Table 5

    10.17182/hepdata.115426.v3/t127

    Relative efficiencies in % for each step of the event selection process for signals with $m_{\text{Z}^{\prime}} = 2.1\,\text{TeV}$, $m_{\text{dark}} =...

  • Supplementary Table 6

    Data from Table 6

    10.17182/hepdata.115426.v3/t128

    Relative efficiencies in % for each step of the event selection process for signals with $m_{\text{Z}^{\prime}} = 3.1\,\text{TeV}$, $m_{\text{dark}} =...

  • Supplementary Table 7

    Data from Table 7

    10.17182/hepdata.115426.v3/t129

    Relative efficiencies in % for each step of the event selection process for signals with $m_{\text{Z}^{\prime}} = 4.1\,\text{TeV}$, $m_{\text{dark}} =...

  • Supplementary Table 8

    Data from Table 8

    10.17182/hepdata.115426.v3/t130

    Relative efficiencies in % for each step of the event selection process for signals with $m_{\text{Z}^{\prime}} = 2.1\,\text{TeV}$, $m_{\text{dark}} =...

  • Supplementary Table 9

    Data from Table 9

    10.17182/hepdata.115426.v3/t131

    Relative efficiencies in % for each step of the event selection process for signals with $m_{\text{Z}^{\prime}} = 3.1\,\text{TeV}$, $m_{\text{dark}} =...

  • Supplementary Table 10

    Data from Table 10

    10.17182/hepdata.115426.v3/t132

    Relative efficiencies in % for each step of the event selection process for signals with $m_{\text{Z}^{\prime}} = 4.1\,\text{TeV}$, $m_{\text{dark}} =...

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