Search for squarks and gluinos in events with an isolated lepton, jets and missing transverse momentum at $\sqrt{s}$ = 13 TeV with the ATLAS detector

The ATLAS collaboration
Phys.Rev.D 96 (2017) 112010, 2017.

Abstract (data abstract)
CERN-LHC. The results of a search for squarks and gluinos in final states with an isolated electron or muon, multiple jets and large missing transverse momentum using proton--proton collision data at a center-of-mass energy of $\sqrt{s}$ = 13 TeV are presented. The dataset used was recorded during 2015 and 2016 by the ATLAS experiment at the Large Hadron Collider and corresponds to an integrated luminosity of 36.1 fb$^{-1}$. No significant excess beyond the expected background is found. Exclusion limits at 95% confidence level are set in a number of supersymmetric scenarios, reaching masses up to 2.1 TeV for gluino pair production and up to 1.25 TeV for squark pair production.

  • Exclusion contour 1 (obs.)

    Data from Figure 13a

    10.17182/hepdata.78218.v2/t1

    Observed 95% CL exclusion contours for the gluino one-step x = 1/2 model.

  • Exclusion contour 1 (exp.)

    Data from Figure 13a

    10.17182/hepdata.78218.v2/t2

    Expected 95% CL exclusion contours for the gluino one-step x = 1/2 model.

  • Exclusion contour 2 (obs.)

    Data from Figure 13b

    10.17182/hepdata.78218.v2/t3

    Observed 95% CL exclusion contours for the gluino one-step variable-x model.

  • Exclusion contour 2 (exp.)

    Data from Figure 13b

    10.17182/hepdata.78218.v2/t4

    Expected 95% CL exclusion contours for the gluino one-step variable-x model.

  • Exclusion contour 3 (obs.)

    Data from Figure 13c

    10.17182/hepdata.78218.v2/t5

    Observed 95% CL exclusion contours for the squark one-step x = 1/2 model.

  • Exclusion contour 3 (exp.)

    Data from Figure 13c

    10.17182/hepdata.78218.v2/t6

    Expected 95% CL exclusion contours for the squark one-step x = 1/2 model.

  • Exclusion contour 4 (obs.)

    Data from Figure 13d

    10.17182/hepdata.78218.v2/t7

    Observed 95% CL exclusion contours for the squark one-step variable-x model.

  • Exclusion contour 4 (exp.)

    Data from Figure 13d

    10.17182/hepdata.78218.v2/t8

    Expected 95% CL exclusion contours for the squark one-step variable-x model.

  • Exclusion contour 5 (obs.)

    Data from Figure 13e

    10.17182/hepdata.78218.v2/t9

    Observed 95% CL exclusion contours for the gluino two-step model.

  • Exclusion contour 5 (exp.)

    Data from Figure 13e

    10.17182/hepdata.78218.v2/t10

    Expected 95% CL exclusion contours for the gluino two-step model.

  • Exclusion contour 6 (obs.)

    Data from Figure 13f

    10.17182/hepdata.78218.v2/t11

    Observed 95% CL exclusion contours for pMSSM model.

  • Exclusion contour 6 (exp.)

    Data from Figure 13f

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    Expected 95% CL exclusion contours for pMSSM model.

  • SR kinematics 1

    Data from Figure 10a

    10.17182/hepdata.78218.v2/t13

    $m_{\mathrm{eff}}$ distribution in 2J b-veto signal regions after fit. The uncertainty bands plotted include all statistical and systematic uncertainties. The...

  • SR kinematics 2

    Data from Figure 10b

    10.17182/hepdata.78218.v2/t14

    $m_{\mathrm{eff}}$ distribution in 4J low-x b-veto signal regions after fit. The uncertainty bands plotted include all statistical and systematic uncertainties....

  • SR kinematics 3

    Data from Figure 10c

    10.17182/hepdata.78218.v2/t15

    $m_{\mathrm{eff}}$ distribution in 4J high-x b-veto signal regions after fit. The uncertainty bands plotted include all statistical and systematic uncertainties....

  • SR kinematics 4

    Data from Figure 10d

    10.17182/hepdata.78218.v2/t16

    $m_{\mathrm{eff}}$ distribution in 6J b-veto signal regions after fit. The uncertainty bands plotted include all statistical and systematic uncertainties. The...

  • SR kinematics 5

    Data from Figure 11a

    10.17182/hepdata.78218.v2/t17

    $m_{\mathrm{eff}}$ distribution in 2J b-tag signal regions after fit. The uncertainty bands plotted include all statistical and systematic uncertainties. The...

  • SR kinematics 6

    Data from Figure 11b

    10.17182/hepdata.78218.v2/t18

    $m_{\mathrm{eff}}$ distribution in 4J low-x b-tag signal regions after fit. The uncertainty bands plotted include all statistical and systematic uncertainties....

  • SR kinematics 7

    Data from Figure 11c

    10.17182/hepdata.78218.v2/t19

    $m_{\mathrm{eff}}$ distribution in 4J high-x b-tag signal regions after fit. The uncertainty bands plotted include all statistical and systematic uncertainties....

  • SR kinematics 8

    Data from Figure 11d

    10.17182/hepdata.78218.v2/t20

    $m_{\mathrm{eff}}$ distribution in 6J b-tag signal regions after fit. The uncertainty bands plotted include all statistical and systematic uncertainties. The...

  • SR kinematics 9

    Data from Figure 12

    10.17182/hepdata.78218.v2/t21

    $m_{\mathrm{eff}}$ distribution in 9J signal regions after fit. The uncertainty bands plotted include all statistical and systematic uncertainties. The dashed...

  • N-1 SR kinematics 1

    Data from Figure 15a

    10.17182/hepdata.78218.v2/t22

    $m_{\mathrm{T}}$ distribution for events satisfying all the 2J b-veto signal region selections but for the one on the variable shown...

  • N-1 SR kinematics 2

    Data from Figure 15b

    10.17182/hepdata.78218.v2/t23

    $E_{\mathrm T}^{\mathrm{miss}}$ distribution for events satisfying all the 2J b-veto signal region selections but for the one on the variable...

  • N-1 SR kinematics 3

    Data from Figure 15c

    10.17182/hepdata.78218.v2/t24

    $m_{\mathrm{T}}$ distribution for events satisfying all the 2J b-tag signal region selections but for the one on the variable shown...

  • N-1 SR kinematics 4

    Data from Figure 15d

    10.17182/hepdata.78218.v2/t25

    $E_{\mathrm T}^{\mathrm{miss}}$ distribution for events satisfying all the 2J b-tag signal region selections but for the one on the variable...

  • N-1 SR kinematics 5

    Data from Figure 16a

    10.17182/hepdata.78218.v2/t26

    $m_{\mathrm{T}}$ distribution for events satisfying all the 4J low-x b-veto signal region selections but for the one on the variable...

  • N-1 SR kinematics 6

    Data from Figure 16b

    10.17182/hepdata.78218.v2/t27

    $E_{\mathrm T}^{\mathrm{miss}}$ distribution for events satisfying all the 4J low-x b-veto signal region selections but for the one on the...

  • N-1 SR kinematics 7

    Data from Figure 16c

    10.17182/hepdata.78218.v2/t28

    $m_{\mathrm{T}}$ distribution for events satisfying all the 4J low-x b-tag signal region selections but for the one on the variable...

  • N-1 SR kinematics 8

    Data from Figure 16d

    10.17182/hepdata.78218.v2/t29

    $E_{\mathrm T}^{\mathrm{miss}}$ distribution for events satisfying all the 4J low-x b-tag signal region selections but for the one on the...

  • N-1 SR kinematics 9

    Data from Figure 17a

    10.17182/hepdata.78218.v2/t30

    $m_{\mathrm{T}}$ distribution for events satisfying all the 4J high-x b-veto signal region selections but for the one on the variable...

  • N-1 SR kinematics 10

    Data from Figure 17b

    10.17182/hepdata.78218.v2/t31

    $E_{\mathrm T}^{\mathrm{miss}}$ distribution for events satisfying all the 4J high-x b-veto signal region selections but for the one on the...

  • N-1 SR kinematics 11

    Data from Figure 17c

    10.17182/hepdata.78218.v2/t32

    $m_{\mathrm{T}}$ distribution for events satisfying all the 4J high-x b-tag signal region selections but for the one on the variable...

  • N-1 SR kinematics 12

    Data from Figure 17d

    10.17182/hepdata.78218.v2/t33

    $E_{\mathrm T}^{\mathrm{miss}}$ distribution for events satisfying all the 4J high-x b-tag signal region selections but for the one on the...

  • N-1 SR kinematics 13

    Data from Figure 18a

    10.17182/hepdata.78218.v2/t34

    $m_{\mathrm{T}}$ distribution for events satisfying all the 6J b-veto signal region selections but for the one on the variable shown...

  • N-1 SR kinematics 14

    Data from Figure 18b

    10.17182/hepdata.78218.v2/t35

    $E_{\mathrm T}^{\mathrm{miss}}$ distribution for events satisfying all the 6J b-veto signal region selections but for the one on the variable...

  • N-1 SR kinematics 15

    Data from Figure 18c

    10.17182/hepdata.78218.v2/t36

    $m_{\mathrm{T}}$ distribution for events satisfying all the 6J b-tag signal region selections but for the one on the variable shown...

  • N-1 SR kinematics 16

    Data from Figure 18d

    10.17182/hepdata.78218.v2/t37

    $E_{\mathrm T}^{\mathrm{miss}}$ distribution for events satisfying all the 6J b-tag signal region selections but for the one on the variable...

  • N-1 SR kinematics 17

    Data from Figure 19

    10.17182/hepdata.78218.v2/t38

    $m_{\mathrm{T}}$ distribution for events satisfying all the 9J signal region selections but for the one on the variable shown in...

  • X-section U.L. 1

    Data from Figure 20a

    10.17182/hepdata.78218.v2/t39

    Observed upper limits on the signal cross-section for gluino one-step x = 1/2 model.

  • X-section U.L. 2

    Data from Figure 20b

    10.17182/hepdata.78218.v2/t40

    Observed upper limits on the signal cross-section for gluino one-step variable-x model.

  • X-section U.L. 3

    Data from Figure 20c

    10.17182/hepdata.78218.v2/t41

    Observed upper limits on the signal cross-section for squark one-step x = 1/2 model.

  • X-section U.L. 4

    Data from Figure 20d

    10.17182/hepdata.78218.v2/t42

    Observed upper limits on the signal cross-section for squark one-step variable-x model.

  • X-section U.L. 5

    Data from Figure 20e

    10.17182/hepdata.78218.v2/t43

    Observed upper limits on the signal cross-section for gluino two-step model.

  • X-section U.L. 6

    Data from Figure 20f

    10.17182/hepdata.78218.v2/t44

    Observed upper limits on the signal cross-section for pMSSM model.

  • Acceptance 1

    Data from Figure 21a

    10.17182/hepdata.78218.v2/t45

    Acceptance in 2J discovery signal region for gluino one-step x = 1/2 model.

  • Acceptance 2

    Data from Figure 21b

    10.17182/hepdata.78218.v2/t46

    Acceptance in 2J discovery signal region for squark one-step x = 1/2 model.

  • Acceptance 3

    Data from Figure 22a

    10.17182/hepdata.78218.v2/t47

    Acceptance in 4J low-x discovery signal region for gluino one-step variable-x model.

  • Acceptance 4

    Data from Figure 22b

    10.17182/hepdata.78218.v2/t48

    Acceptance in 4J low-x discovery signal region for squark one-step variable-x model.

  • Acceptance 5

    Data from Figure 23a

    10.17182/hepdata.78218.v2/t49

    Acceptance in 4J high-x discovery signal region for gluino one-step variable-x model.

  • Acceptance 6

    Data from Figure 23b

    10.17182/hepdata.78218.v2/t50

    Acceptance in 4J high-x discovery signal region for squark one-step variable-x model.

  • Acceptance 7

    Data from Figure 24a

    10.17182/hepdata.78218.v2/t51

    Acceptance in 6J discovery signal region for gluino one-step x = 1/2 model.

  • Acceptance 8

    Data from Figure 24b

    10.17182/hepdata.78218.v2/t52

    Acceptance in 6J discovery signal region for squark one-step x = 1/2 model.

  • Acceptance 9

    Data from Figure 25a

    10.17182/hepdata.78218.v2/t53

    Acceptance in 9J discovery signal region for pMSSM model.

  • Acceptance 10

    Data from Figure 25b

    10.17182/hepdata.78218.v2/t54

    Acceptance in 9J discovery signal region for gluino two-step model.

  • Efficiency 1

    Data from Figure 21c

    10.17182/hepdata.78218.v2/t55

    Efficiency in 2J discovery signal region for gluino one-step x = 1/2 model.

  • Efficiency 2

    Data from Figure 21d

    10.17182/hepdata.78218.v2/t56

    Efficiency in 2J discovery signal region for squark one-step x = 1/2 model.

  • Efficiency 3

    Data from Figure 22c

    10.17182/hepdata.78218.v2/t57

    Efficiency in 4J low-x discovery signal region for gluino one-step variable-x model.

  • Efficiency 4

    Data from Figure 22d

    10.17182/hepdata.78218.v2/t58

    Efficiency in 4J low-x discovery signal region for squark one-step variable-x model.

  • Efficiency 5

    Data from Figure 23c

    10.17182/hepdata.78218.v2/t59

    Efficiency in 4J high-x discovery signal region for gluino one-step variable-x model.

  • Efficiency 6

    Data from Figure 23d

    10.17182/hepdata.78218.v2/t60

    Efficiency in 4J high-x discovery signal region for squark one-step variable-x model.

  • Efficiency 7

    Data from Figure 24c

    10.17182/hepdata.78218.v2/t61

    Efficiency in 6J discovery signal region for gluino one-step x = 1/2 model.

  • Efficiency 8

    Data from Figure 24d

    10.17182/hepdata.78218.v2/t62

    Efficiency in 6J discovery signal region for squark one-step x = 1/2 model.

  • Efficiency 9

    Data from Figure 25c

    10.17182/hepdata.78218.v2/t63

    Efficiency in 9J discovery signal region for pMSSM model.

  • Efficiency 10

    Data from Figure 25d

    10.17182/hepdata.78218.v2/t64

    Efficiency in 9J discovery signal region for gluino two-step model.

  • cutflow GG_905_705_505

    Data from Table 16

    10.17182/hepdata.78218.v2/t65

    Cutflow table for the 2J discovery signal region with a representative target signal model. The weighted numbers are normalized to...

  • cutflow GG_1600_260_60

    Data from Table 17

    10.17182/hepdata.78218.v2/t66

    Cutflow table for the 4J high-x discovery signal region with a representative target signal model. The weighted numbers are normalized...

  • cutflow GG_1700_1500_60

    Data from Table 18

    10.17182/hepdata.78218.v2/t67

    Cutflow table for the 4J low-x discovery signal region (targetting gluino decays) with a representative target signal model. The weighted...

  • cutflow SS_1000_950_60

    Data from Table 19

    10.17182/hepdata.78218.v2/t68

    Cutflow table for the 4J low-x discovery signal region (targetting squark decays) with a representative target signal model. The weighted...

  • cutflow GG_1545_785_25

    Data from Table 20

    10.17182/hepdata.78218.v2/t69

    Cutflow table for the 6J discovery signal region (targetting gluino decays) with a representative target signal model. The weighted numbers...

  • cutflow SS_1125_575_25

    Data from Table 21

    10.17182/hepdata.78218.v2/t70

    Cutflow table for the 6J discovery signal region (targetting squark decays) with a representative target signal model. The weighted numbers...

  • cutflow GG2stepWZ_1200_850_675_500

    Data from Table 22

    10.17182/hepdata.78218.v2/t71

    Cutflow table for the 9J discovery signal region with a representative target signal model. The weighted numbers are normalized to...

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