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Search for chargino and neutralino production in final states with a Higgs boson and missing transverse momentum at $\sqrt{s} = 13$ TeV with the ATLAS detector

The collaboration
Phys.Rev.D 100 (2019) 012006, 2019.

Abstract (data abstract)
CERN-LHC. A search is presented for the electroweak pair production of a chargino and a neutralino, where the chargino decays to the lightest neutralino and the W boson, while the neutralino decays to the lightest neutralino and the 125 GeV Higgs boson. Fully hadronic, semi-leptonic, and multi-lepton final states with large missing transverse momentum are considered in this search. Higgs bosons in the final state are identified by either two jets identified as originating from bottom quarks, or two photons, or a second electron or muon with the same electric charge. The analysis is based on 36.1 fb$^{-1}$of $\sqrt{s}$=13 TeV proton-proton collision data delivered by the Large Hadron Collider and recorded with the ATLAS detector. Observations are consistent with the Standard Model expectations, and limits are set in the context of a simplified supersymmetric model.

• #### 0lbb signal region high ETmiss

Tabulated data from the publication's Figure 8a

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Data and SM predictions in SRs for the $0lb\bar{b}$ analysis for $E_{\mathrm{T}}^{\mathrm{miss}}$ in SRHad-High. All SRs selections but the one...

• #### 0lbb signal region low mbb

Tabulated data from the publication's Figure 8b

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Data and SM predictions in SRs for the $0lb\bar{b}$ analysis for $m_{b\bar{b}}$ in SRHad-Low. All SRs selections but the one...

• #### 1lbb signal region low mct

Tabulated data from the publication's Figure 9a

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Data and SM predictions in SRs for the $1lb\bar{b}$ analysis for $m_{CT}$ in SR1Lbb-High. All SRs selections but the one...

• #### 1lbb signal region medium met

Tabulated data from the publication's Figure 9b

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Data and SM predictions in SRs for the $1lb\bar{b}$ analysis for $E_{\mathrm{T}}^{\mathrm{miss}}$ in SR1Lbb-Medium. All SRs selections but the one...

• #### 1lyy signal region a

Tabulated data from the publication's Figure 10a

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Distributions of $m_{\gamma\gamma}$ before the final requirement on $m_{\gamma\gamma}$ in SR1Lyy-a. The expected contributions from both the peaking and non-peaking...

• #### 1lyy signal region b

Tabulated data from the publication's Figure 10b

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Distributions of $m_{\gamma\gamma}$ before the final requirement on $m_{\gamma\gamma}$ in SR1Lyy-b. The expected contributions from both the peaking and non-peaking...

• #### SS signal region j1

Tabulated data from the publication's Figure 11a

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Observed and predicted distributions for $m_{jj}$ in SRSS-j1. All SRs selections but the one on the quantity shown are applied....

• #### SS signal region j23

Tabulated data from the publication's Figure 11b

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Observed and predicted distributions for $m_{T2}$ in SRSS-j23. All SRs selections but the one on the quantity shown are applied....

• #### Observed limit 0lbb

Tabulated data from the publication's Figure 12a

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The observed exclusion for the $0lb\bar{b}$ channel. Experimental and theoretical systematic uncertainties are applied to background and signal samples and...

• #### Expected limit 0lbb

Tabulated data from the publication's Figure 12a

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The expected exclusion for the $0lb\bar{b}$ channel. Experimental and theoretical systematic uncertainties are applied to background and signal samples and...

• #### Observed limit 1lbb

Tabulated data from the publication's Figure 12b

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The observed exclusion for the $1lb\bar{b}$ channel. Experimental and theoretical systematic uncertainties are applied to background and signal samples and...

• #### Expected limit 1lbb

Tabulated data from the publication's Figure 12b

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The expected exclusion for the $1lb\bar{b}$ channel. Experimental and theoretical systematic uncertainties are applied to background and signal samples and...

• #### Expected limit 1Lyy

Tabulated data from the publication's Figure 12c

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The expected exclusion for the $1l\gamma\gamma$ channel. Experimental and theoretical systematic uncertainties are applied to background and signal samples and...

• #### Observed limit SS

Tabulated data from the publication's Figure 12d

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The observed exclusion for the $l^{\pm}l^{\pm}$ channel. Experimental and theoretical systematic uncertainties are applied to background and signal samples and...

• #### Expected limit SS

Tabulated data from the publication's Figure 12d

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The expected exclusion for the $l^{\pm}l^{\pm}$ channel. Experimental and theoretical systematic uncertainties are applied to background and signal samples and...

• #### Observed limit 3l 1D diagonal

Tabulated data from the publication's Figure 13a

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• #### Observed limit 1lbb 1D diagonal

Tabulated data from the publication's Figure 13a

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• #### Observed limit 1lyy 1D diagonal

Tabulated data from the publication's Figure 13a

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• #### Observed limit SS 1D diagonal

Tabulated data from the publication's Figure 13a

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• #### Observed limit 0lbb 1D massless

Tabulated data from the publication's Figure 13b

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• #### Observed limit 1lbb 1D massless

Tabulated data from the publication's Figure 13b

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• #### Observed limit 1lyy 1D massless

Tabulated data from the publication's Figure 13b

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• #### Observed limit SS 1D massless

Tabulated data from the publication's Figure 13b

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• #### Observed limit 3l 1D massless

Tabulated data from the publication's Figure 13b

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The observed cross-section exclusion as a function of the $\tilde{\chi}_{1}^{\pm}$/$\tilde{\chi}_{2}^{0}$ masses for the $3l$ analysis for signal models assuming $m(\tilde{\chi}_{1}^{0})... • #### Expected limit 3l 1D massless Tabulated data from the publication's Figure 13b 10.17182/hepdata.85726.v1/t33 The expected cross-section exclusion as a function of the$\tilde{\chi}_{1}^{\pm}$/$\tilde{\chi}_{2}^{0}$masses for the$3l$analysis for signal models assuming$m(\tilde{\chi}_{1}^{0})...

Tabulated data from the publication's auxiliary Figure 12a

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Acceptance for $0lb\bar{b}$ SRHad-Low signal region. Note that the acceptance is relative to the total chargino-neutralino production cross section.

Tabulated data from the publication's auxiliary Figure 12b

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Efficiencies for $0lb\bar{b}$ SRHad-Low signal region.

Tabulated data from the publication's auxiliary Figure 12c

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Acceptance for $0lb\bar{b}$ SRHad-High signal region. Note that the acceptance is relative to the total chargino-neutralino production cross section.

Tabulated data from the publication's auxiliary Figure 12d

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Efficiencies for $0lb\bar{b}$ SRHad-High signal region.

• #### Upper limit 0lbb

Tabulated data from the publication's auxiliary Figure 13

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Upper cross section limits for the $0lb\bar{b}$ analysis.

• #### Acceptance 1lbb SR1Lbb-Low

Tabulated data from the publication's auxiliary Figure 15a

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Acceptance for $1lb\bar{b}$ SR1Lbb-Low signal region. Note that the acceptance is relative to the total chargino-neutralino production cross section.

• #### Efficiency 1lbb SR1Lbb-Low

Tabulated data from the publication's auxiliary Figure 15b

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Efficiency for $1lb\bar{b}$ SR1Lbb-Low signal region. Note that the acceptance is relative to the total chargino-neutralino production cross section.

• #### Acceptance 1lbb SR1Lbb-Medium

Tabulated data from the publication's auxiliary Figure 15c

10.17182/hepdata.85726.v1/t41

Acceptance for $1lb\bar{b}$ SR1Lbb-Medium signal region. Note that the acceptance is relative to the total chargino-neutralino production cross section.

• #### Efficiency 1lbb SR1Lbb-Medium

Tabulated data from the publication's auxiliary Figure 15d

10.17182/hepdata.85726.v1/t42

Efficiency for $1lb\bar{b}$ SR1Lbb-Medium signal region. Note that the acceptance is relative to the total chargino-neutralino production cross section.

• #### Acceptance 1lbb SR1Lbb-High

Tabulated data from the publication's auxiliary Figure 15e

10.17182/hepdata.85726.v1/t43

Acceptance for $1lb\bar{b}$ SR1Lbb-High signal region. Note that the acceptance is relative to the total chargino-neutralino production cross section.

• #### Efficiency 1lbb SR1Lbb-High

Tabulated data from the publication's auxiliary Figure 15f

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Efficiency for $1lb\bar{b}$ SR1Lbb-High signal region. Note that the acceptance is relative to the total chargino-neutralino production cross section.

• #### Upper limits 1Lbb

Tabulated data from the publication's auxiliary Figure 16

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Upper cross section limits for the $1lb\bar{b}$ analysis.

• #### Acceptance 1lyy SR1Lyy-a

Tabulated data from the publication's auxiliary Figure 17a

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Acceptance for $1l\gamma\gamma$ signal region SR1Lyy-a. Note that the acceptance is relative to the total chargino-neutralino production cross section.

• #### Efficiency 1lyy SR1Lyy-a

Tabulated data from the publication's auxiliary Figure 17b

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Efficiencies for $1l\gamma\gamma$ signal region SR1Lyy-a.

• #### Acceptance 1lyy SR1Lyy-b

Tabulated data from the publication's auxiliary Figure 17c

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Acceptance for $1l\gamma\gamma$ signal region SR1Lyy-b. Note that the acceptance is relative to the total chargino-neutralino production cross section.

• #### Efficiency 1lyy SR1Lyy-b

Tabulated data from the publication's auxiliary Figure 17d

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Efficiencies for $1l\gamma\gamma$ signal region SR1Lyy-b.

• #### Upper limits 1Lyy

Tabulated data from the publication's auxiliary Figure 18

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Upper cross section limits for the $1l\gamma\gamma$ analysis.

Tabulated data from the publication's auxiliary Figure 19a

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Acceptance for $l^{\pm}l^{\pm}$ signal region SRSS-j1. Note that the acceptance is relative to the total chargino-neutralino production cross section.

Tabulated data from the publication's auxiliary Figure 19b

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Efficiencies for $l^{\pm}l^{\pm}$ signal region SRSS-j1. Note that the acceptance is relative to the total chargino-neutralino production cross section.

Tabulated data from the publication's auxiliary Figure 19c

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Acceptance for $l^{\pm}l^{\pm}$ signal region SRSS-j23. Note that the acceptance is relative to the total chargino-neutralino production cross section.

Tabulated data from the publication's auxiliary Figure 19d

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Efficiencies for $l^{\pm}l^{\pm}$ signal region SRSS-j23. Note that the acceptance is relative to the total chargino-neutralino production cross section.

• #### Acceptance 3l SR3L-SFOS-1J

Tabulated data from the publication's auxiliary Figure 20a

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Acceptance for $3L$ SFOS signal region SR3L-SFOS-1J. Note that the acceptance is relative to the total chargino-neutralino production cross section.

• #### Efficiency 3l SR3L-SFOS-1J

Tabulated data from the publication's auxiliary Figure 20b

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Efficiencies for $3L$ SFOS signal region SR3L-SFOS-1J. Note that the acceptance is relative to the total chargino-neutralino production cross section.

• #### Acceptance 3l SR3L-SFOS-0Ja

Tabulated data from the publication's auxiliary Figure 20c

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Acceptance for $3L$ SFOS signal region SR3L-SFOS-0Ja. Note that the acceptance is relative to the total chargino-neutralino production cross section.

• #### Efficiency 3l SR3L-SFOS-0Ja

Tabulated data from the publication's auxiliary Figure 20d

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Efficiencies for $3L$ SFOS signal region SR3L-SFOS-0Ja. Note that the acceptance is relative to the total chargino-neutralino production cross section.

• #### Acceptance 3l SR3L-SFOS-0Jb

Tabulated data from the publication's auxiliary Figure 20e

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Acceptance for $3L$ SFOS signal region SR3L-SFOS-0Jb. Note that the acceptance is relative to the total chargino-neutralino production cross section.

• #### Efficiency 3l SR3L-SFOS-0Jb

Tabulated data from the publication's auxiliary Figure 20f

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Efficiencies for $3L$ SFOS signal region SR3L-SFOS-0Jb. Note that the acceptance is relative to the total chargino-neutralino production cross section.

• #### Acceptance 3l SR3L-SFOS-0J

Tabulated data from the publication's auxiliary Figure 21a

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Acceptance for $3L$ DFOS signal region SR3L-DFOS-0J. Note that the acceptance is relative to the total chargino-neutralino production cross section.

• #### Efficiency 3l SR3L-DFOS-0J

Tabulated data from the publication's auxiliary Figure 21b

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Efficiencies for $3L$ DFOS signal region SR3L-DFOS-0J. Note that the acceptance is relative to the total chargino-neutralino production cross section.

• #### Acceptance 3l SR3L-DFOS-1Ja

Tabulated data from the publication's auxiliary Figure 20c

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Acceptance for $3L$ DFOS signal region SR3L-DFOS-1Ja. Note that the acceptance is relative to the total chargino-neutralino production cross section.

• #### Efficiency 3l SR3L-DFOS-1Ja

Tabulated data from the publication's auxiliary Figure 21d

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Efficiencies for $3L$ DFOS signal region SR3L-DFOS-1Ja. Note that the acceptance is relative to the total chargino-neutralino production cross section.

• #### Acceptance 3l SR3L-DFOS-1Jb

Tabulated data from the publication's auxiliary Figure 21e

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Acceptance for $3L$ DFOS signal region SR3L-DFOS-1Jb. Note that the acceptance is relative to the total chargino-neutralino production cross section.

• #### Efficiency 3l SR3L-DFOS-1Jb

Tabulated data from the publication's auxiliary Figure 21f

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Efficiencies for $3L$ DFOS signal region SR3L-DFOS-1Jb. Note that the acceptance is relative to the total chargino-neutralino production cross section.

• #### Upper limits SS

Tabulated data from the publication's auxiliary Figure 22

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Upper cross section limits for the $l^{\pm}l^{\pm}$ analysis.

• #### Upper limits 3l

Tabulated data from the publication's auxiliary Figure 23

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Upper cross section limits for the $3l$ analysis.

• #### Cutflow 0lbb

Tabulated data from the publication's auxiliary Table 11

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Event selection cutflow for SM background (pre-fit) and representative signal samples for the $0lb\bar{b}$ SR. The masses of next-lightest-neutralinos and...

• #### Cutflow 1lbb

Tabulated data from the publication's auxiliary Table 12

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Event selection cutflow for SM background (pre-fit) and representative signal samples for the $1lb\bar{b}$ channel. The masses of next-lightest-neutralinos and...

• #### Cutflow 1lyy

Tabulated data from the publication's auxiliary Table 13

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Event selection cutflow is presented for SM background (pre-fit) and three signal scenarios for the $1l\gamma\gamma$ channel SRs. The masses...

• #### Cutflow SS-j23

Tabulated data from the publication's auxiliary Table 14

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Event selection cutflow is presented for one signal scenario for SRSS-j23. The model with next-to-lightest neutralino mass of 175 GeV...

• #### Cutflow SS-j1

Tabulated data from the publication's auxiliary Table 16

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Event selection cutflow is presented for one signal scenario for SRSS-j1. The model with next-to-lightest neutralino mass of 175 GeV...

• #### Cutflow 3L

Tabulated data from the publication's auxiliary Table 18

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Event selection cut-flow is presented for one signal scenario for each signal regions. The model with next-to-lightest neutralino mass of...