Search for squarks and gluinos in events with isolated leptons, jets and missing transverse momentum at $\sqrt{s}=8$ TeV with the ATLAS detector

The ATLAS collaboration
JHEP 04 (2015) 116, 2015.

Abstract (data abstract)
CERN-LHC. The results of a search for supersymmetry in final states containing at least one isolated lepton (electron or muon), jets and large missing transverse momentum with the ATLAS detector at the Large Hadron Collider (LHC) are reported. The search is based on proton-proton collision data at a centre-of-mass energy $\sqrt{s}=8$ TeV collected in 2012, corresponding to an integrated luminosity of 20 fb$^{-1}$. No significant excess above the Standard Model expectation is observed. Limits are set on the parameters of a minimal universal extra dimensions model, excluding a compactification radius of $1/R_{c}=950$ GeV for a cut-off scale times radius ($\Lambda R_{c}$) of approximately 30, as well as on sparticle masses for various supersymmetric models. Depending on the model, the search excludes gluino masses up to 1.32 TeV and squark masses up to 840 GeV.

  • Table 1

    Data from F 12a

    10.17182/hepdata.66986.v1/t1

    Observed and expected $E_T^{miss}/m_{eff}$ distribution in soft single-lepton 3-jet signal region. The last bin includes the overflow.

  • Table 2

    Data from F 12b

    10.17182/hepdata.66986.v1/t2

    Observed and expected $E_T^{miss}/m_{eff}$ distribution in soft single-lepton 5-jet signal region. The last bin includes the overflow.

  • Table 3

    Data from F 12c

    10.17182/hepdata.66986.v1/t3

    Observed and expected $E_T^{miss}/m_{eff}$ distribution in soft single-lepton 3-jet inclusive signal region. The last bin includes the overflow.

  • Table 4

    Data from F 12d

    10.17182/hepdata.66986.v1/t4

    Observed and expected $E_T^{miss}$ distribution in soft dimuon signal region. The last bin includes the overflow.

  • Table 5

    Data from F 13a

    10.17182/hepdata.66986.v1/t5

    Observed and expected $m_{eff}^{incl}$ distribution in hard single-lepton 3-jet signal region. The last bin includes the overflow.

  • Table 6

    Data from F 13b

    10.17182/hepdata.66986.v1/t6

    Observed and expected $m_{eff}^{incl}$ distribution for hard single-lepton 5-jet signal region. The last bin includes the overflow.

  • Table 7

    Data from F 13c

    10.17182/hepdata.66986.v1/t7

    Observed and expected $E_{T}^{miss}$ distribution for hard single-lepton 6-jet signal region. The last bin includes the overflow.

  • Table 8

    Data from F 14a

    10.17182/hepdata.66986.v1/t8

    Observed and expected $M_{R}'$ distribution for hard same-flavour dilepton low-multiplicity signal region. The last bin includes the overflow.

  • Table 9

    Data from F 14b

    10.17182/hepdata.66986.v1/t9

    Observed and expected $M_{R}'$ distribution for hard same-flavour dilepton 3-jet signal region. The last bin includes the overflow.

  • Table 10

    Data from F 14c

    10.17182/hepdata.66986.v1/t10

    Observed and expected $M_{R}'$ distribution for hard opposite-flavour dilepton low-multiplicity signal region. The last bin includes the overflow.

  • Table 11

    Data from F 14d

    10.17182/hepdata.66986.v1/t11

    Observed and expected $M_{R}'$ distribution for hard opposite-flavour dilepton 3-jet opposite-flavour signal region. The last bin includes the overflow.

  • Table 12

    Data from F 15a

    10.17182/hepdata.66986.v1/t12

    Observed 95% exclusion contour for the mSUGRA/CMSSM model with $\tan\beta=30$, $A_{0}=-2m_{0}$ and $\mu > 0$.

  • Table 13

    Data from F 15a

    10.17182/hepdata.66986.v1/t13

    Expected 95% exclusion contour for the mSUGRA/CMSSM model with $\tan\beta=30$, $A_{0}=-2m_{0}$ and $\mu > 0$.

  • Table 14

    Data from F 15b

    10.17182/hepdata.66986.v1/t14

    Observed 95% exclusion contour for the bRPV MSUGRA/CMSSM model.

  • Table 15

    Data from F 15b

    10.17182/hepdata.66986.v1/t15

    Expected 95% exclusion contour for the bRPV MSUGRA/CMSSM model.

  • Table 16

    Data from F 16a

    10.17182/hepdata.66986.v1/t16

    Observed 95% exclusion contour for the natural gauge mediation with a stau NLSP model (nGM).

  • Table 17

    Data from F 16a

    10.17182/hepdata.66986.v1/t17

    Expected 95% exclusion contour for the natural gauge mediation with a stau NLSP model (nGM).

  • Table 18

    Data from F 16b

    10.17182/hepdata.66986.v1/t18

    Observed 95% exclusion contour for the non-universal higgs masses with gaugino mediation model (NUHMG).

  • Table 19

    Data from F 16b

    10.17182/hepdata.66986.v1/t19

    Expected 95% exclusion contour for the non-universal higgs masses with gaugino mediation model (NUHMG).

  • Table 20

    Data from F 17

    10.17182/hepdata.66986.v1/t20

    Observed 95% exclusion contour for the minimal UED model from the combination of the hard dilepton and soft dilepton analyses.

  • Table 21

    Data from F 17

    10.17182/hepdata.66986.v1/t21

    Expected 95% exclusion contour for the minimal UED model from the combination of the hard dilepton and soft dilepton analyses.

  • Table 22

    Data from F 17

    10.17182/hepdata.66986.v1/t22

    Observed 95% exclusion contour for the minimal UED model from the hard dilepton analysis.

  • Table 23

    Data from F 17

    10.17182/hepdata.66986.v1/t23

    Expected 95% exclusion contour for the minimal UED model from the hard dilepton analysis.

  • Table 24

    Data from F 17

    10.17182/hepdata.66986.v1/t24

    Observed 95% exclusion contour for the minimal UED model from the soft dilepton analysis.

  • Table 25

    Data from F 17

    10.17182/hepdata.66986.v1/t25

    Expected 95% exclusion contour for the minimal UED model from the soft dilepton analysis.

  • Table 26

    Data from F 18a

    10.17182/hepdata.66986.v1/t26

    Observed 95% exclusion contour for the simplified model with gluino-mediated top squark production where the top squark is assumed to...

  • Table 27

    Data from F 18a

    10.17182/hepdata.66986.v1/t27

    Expected 95% exclusion contour for the simplified model with gluino-mediated top squark production, where the top squark is assumed to...

  • Table 28

    Data from F 18b

    10.17182/hepdata.66986.v1/t28

    Observed 95% exclusion contour for the simplified model with gluino-mediated top squark production where the gluinos are assumed to decay...

  • Table 29

    Data from F 18b

    10.17182/hepdata.66986.v1/t29

    Expected 95% exclusion contour for the simplified model with gluino-mediated top squark production where the gluinos are assumed to decay...

  • Table 30

    Data from F 19a

    10.17182/hepdata.66986.v1/t30

    Observed 95% exclusion contour for the gluino simplified model from the combination of the soft single-lepton and hard single-lepton analyses...

  • Table 31

    Data from F 19a

    10.17182/hepdata.66986.v1/t31

    Expected 95% exclusion contour for the gluino simplified model from the combination of the soft single-lepton and hard single-lepton analyses...

  • Table 32

    Data from F 19a

    10.17182/hepdata.66986.v1/t32

    Observed 95% exclusion contour for the gluino simplified model from the hard single-lepton analyses for the case in which the...

  • Table 33

    Data from F 19a

    10.17182/hepdata.66986.v1/t33

    Expected 95% exclusion contour for the gluino simplified model from the hard single-lepton analyses for the case in which the...

  • Table 34

    Data from F 19a

    10.17182/hepdata.66986.v1/t34

    Observed 95% exclusion contour for the gluino simplified model from the soft single-lepton analyses for the case in which the...

  • Table 35

    Data from F 19a

    10.17182/hepdata.66986.v1/t35

    Expected 95% exclusion contour for the gluino simplified model from the soft single-lepton analyses for the case in which the...

  • Table 36

    Data from F 19b

    10.17182/hepdata.66986.v1/t36

    Observed 95% exclusion contour for the the first- and second-generation squark simplified model from the combination of the soft single-lepton...

  • Table 37

    Data from F 19b

    10.17182/hepdata.66986.v1/t37

    Expected 95% exclusion contour for the the first- and second-generation squark simplified model from the combination of the soft single-lepton...

  • Table 38

    Data from F 19b

    10.17182/hepdata.66986.v1/t38

    Observed 95% exclusion contour for the the first- and second-generation squark simplified model from the hard single-lepton analysis for the...

  • Table 39

    Data from F 19b

    10.17182/hepdata.66986.v1/t39

    Expected 95% exclusion contour for the the first- and second-generation squark simplified model from the hard single-lepton analysis for the...

  • Table 40

    Data from F 19b

    10.17182/hepdata.66986.v1/t40

    Observed 95% exclusion contour for the the first- and second-generation squark simplified model from the soft single-lepton analysis for the...

  • Table 41

    Data from F 19b

    10.17182/hepdata.66986.v1/t41

    Expected 95% exclusion contour for the the first- and second-generation squark simplified model from the soft single-lepton analysis for the...

  • Table 42

    Data from F 20a

    10.17182/hepdata.66986.v1/t42

    Observed 95% exclusion contour for the gluino simplified model from the combination of the soft single-lepton and hard single-lepton analyses...

  • Table 43

    Data from F 20a

    10.17182/hepdata.66986.v1/t43

    Expected 95% exclusion contour for the gluino simplified model from the combination of the soft single-lepton and hard single-lepton analyses...

  • Table 44

    Data from F 20a

    10.17182/hepdata.66986.v1/t44

    Observed 95% exclusion contour for the gluino simplified model from the hard single-lepton analysis for the case in which x...

  • Table 45

    Data from F 20a

    10.17182/hepdata.66986.v1/t45

    Expected 95% exclusion contour for the gluino simplified model from the hard single-lepton analysis for the case in which x...

  • Table 46

    Data from F 20a

    10.17182/hepdata.66986.v1/t46

    Observed 95% exclusion contour for the gluino simplified model from the soft single-lepton analysis for the case in which x...

  • Table 47

    Data from F 20a

    10.17182/hepdata.66986.v1/t47

    Expected 95% exclusion contour for the gluino simplified model from the soft single-lepton analysis for the case in which x...

  • Table 48

    Data from F 20b

    10.17182/hepdata.66986.v1/t48

    Observed 95% exclusion contour for the first- and second-generation squark simplified model from the combination of the soft single-lepton and...

  • Table 49

    Data from F 20b

    10.17182/hepdata.66986.v1/t49

    Expected 95% exclusion contour for the first- and second-generation squark simplified model from the combination of soft single-lepton and hard...

  • Table 50

    Data from F 20b

    10.17182/hepdata.66986.v1/t50

    Observed 95% exclusion contour for the first- and second-generation squark simplified model from the hard single-lepton analyses for the case...

  • Table 51

    Data from F 20b

    10.17182/hepdata.66986.v1/t51

    Expected 95% exclusion contour for the first- and second-generation squark simplified model from the hard single-lepton analyses for the case...

  • Table 52

    Data from F 20b

    10.17182/hepdata.66986.v1/t52

    Observed 95% exclusion contour for the first- and second-generation squark simplified model from the soft single-lepton analyses for the case...

  • Table 53

    Data from F 20b

    10.17182/hepdata.66986.v1/t53

    Expected 95% exclusion contour for the first- and second-generation squark simplified model from the soft single-lepton analyses for the case...

  • Table 54

    Data from F 21a

    10.17182/hepdata.66986.v1/t54

    Observed 95% exclusion contour for the two-step gluino simplified model with sleptons from the combination of the hard dilepton and...

  • Table 55

    Data from F 21a

    10.17182/hepdata.66986.v1/t55

    Expected 95% exclusion contour for the two-step gluino simplified model with sleptons from the combination of the hard dilepton and...

  • Table 56

    Data from F 21a

    10.17182/hepdata.66986.v1/t56

    Observed 95% exclusion contour for the two-step gluino simplified model with sleptons from the hard single-lepton analysis.

  • Table 57

    Data from F 21a

    10.17182/hepdata.66986.v1/t57

    Expected 95% exclusion contour for the two-step gluino simplified model with sleptons from the hard single-lepton analysis.

  • Table 58

    Data from F 21a

    10.17182/hepdata.66986.v1/t58

    Observed 95% exclusion contour for the two-step gluino simplified model with sleptons from the hard dilepton analysis.

  • Table 59

    Data from F 21a

    10.17182/hepdata.66986.v1/t59

    Expected 95% exclusion contour for the two-step gluino simplified model with sleptons from the hard dilepton analysis.

  • Table 60

    Data from F 21b

    10.17182/hepdata.66986.v1/t60

    Observed 95% exclusion contour for the two-step first- and second-generation squark simplified model with sleptons from the hard dilepton analysis.

  • Table 61

    Data from F 21b

    10.17182/hepdata.66986.v1/t61

    Expected 95% exclusion contour for the two-step first- and second-generation squark simplified model with sleptons from the hard dilepton analysis.

  • Table 62

    Data from F 22

    10.17182/hepdata.66986.v1/t62

    Observed 95% exclusion contour for the two-step gluino simplified model without sleptons from the hard single-lepton analysis.

  • Table 63

    Data from F 22

    10.17182/hepdata.66986.v1/t63

    Expected 95% exclusion contour for the two-step gluino simplified model without sleptons from the hard single-lepton analysis.

  • Table 64

    Data from AUX F 1a

    10.17182/hepdata.66986.v1/t64

    Number of generated events in the gluino simplified model for the case in which the chargino mass is fixed at...

  • Table 65

    Data from AUX F 1b

    10.17182/hepdata.66986.v1/t65

    Production cross-section in the gluino simplified model for the case in which the chargino mass is fixed at x =...

  • Table 66

    Data from AUX F 2a

    10.17182/hepdata.66986.v1/t66

    Number of generated events in the the first- and second-generation squark simplified model for the case in which x =...

  • Table 67

    Data from AUX F 2b

    10.17182/hepdata.66986.v1/t67

    Production cross-section in the the first- and second-generation squark simplified model for the case in which x = (m(squark)-m(chargino))/(m(squark)-m(LSP)) is...

  • Table 68

    Data from AUX F 3a

    10.17182/hepdata.66986.v1/t68

    Number of generated evens in the minimal UED model.

  • Table 69

    Data from AUX F 3b

    10.17182/hepdata.66986.v1/t69

    Production cross-section in the minimal UED model in pb.

  • Table 70

    Data from AUX F 4a

    10.17182/hepdata.66986.v1/t70

    Number of generated events in the two-step first- and second-generation squark simplified model with sleptons.

  • Table 71

    Data from AUX F 4b

    10.17182/hepdata.66986.v1/t71

    Production cross-section in the two-step first- and second-generation squark simplified model with sleptons.

  • Table 72

    Data from AUX F 5a

    10.17182/hepdata.66986.v1/t72

    Acceptance for soft single-lepton 3-jet signal region in the gluino simplified model for the case in which the chargino mass...

  • Table 73

    Data from AUX F 5b

    10.17182/hepdata.66986.v1/t73

    Efficiency for soft single-lepton 3-jet signal region in the gluino simplified model for the case in which the chargino mass...

  • Table 74

    Data from AUX F 5c

    10.17182/hepdata.66986.v1/t74

    Acceptance for soft single-lepton 5-jet signal region in the gluino simplified model for the case in which the chargino mass...

  • Table 75

    Data from AUX F 5d

    10.17182/hepdata.66986.v1/t75

    Efficiency for soft single-lepton 5-jet signal region in the gluino simplified model for the case in which the chargino mass...

  • Table 76

    Data from AUX F 5e

    10.17182/hepdata.66986.v1/t76

    Acceptance for soft single-lepton 3-jet inclusive signal region in the gluino simplified model for the case in which x =...

  • Table 77

    Data from AUX F 5f

    10.17182/hepdata.66986.v1/t77

    Efficiency for the soft single-lepton 3-jet inclusive signal region in the gluino simplified model for the case in x =...

  • Table 78

    Data from AUX F 6a

    10.17182/hepdata.66986.v1/t78

    Expected CLs from the combination of the soft single-lepton and hard single-lepton analyses in the gluino simplified model for the...

  • Table 79

    Data from AUX F 6b

    10.17182/hepdata.66986.v1/t79

    Expected CLs from the combination of the soft single-lepton and hard single-lepton analyses in the gluino simplified model for the...

  • Table 80

    Data from AUX F 6c

    10.17182/hepdata.66986.v1/t80

    Observed CLs from the combination of the soft single-lepton and hard single-lepton analyses in the gluino simplified model for the...

  • Table 81

    Data from AUX F 6d

    10.17182/hepdata.66986.v1/t81

    Observed CLs from the combination of the soft single-lepton and hard single-lepton analyses in the gluino simplified model for the...

  • Table 82

    Data from AUX F 7a

    10.17182/hepdata.66986.v1/t82

    Acceptance for soft dimuon signal region in the minimal UED model (mUED).

  • Table 83

    Data from AUX F 7b

    10.17182/hepdata.66986.v1/t83

    Efficiency for soft dimuon signal region in minimal UED model (mUED).

  • Table 84

    Data from AUX F 8a

    10.17182/hepdata.66986.v1/t84

    Acceptance for hard dilepton 3-jet opposite-flavour signal region in the two-step first- and second-generation squark simplified model with sleptons.

  • Table 85

    Data from AUX F 8b

    10.17182/hepdata.66986.v1/t85

    Efficiency for hard dilepton 3jet opposite-flavour signal region in the two-step first- and second-generation squark simplified model with sleptons.

  • Table 86

    Data from AUX F 8c

    10.17182/hepdata.66986.v1/t86

    Acceptance for hard dilepton 3-jet same-flavour signal region in the two-step first- and second-generation squark simplified model with sleptons.

  • Table 87

    Data from AUX F 8d

    10.17182/hepdata.66986.v1/t87

    Efficiency for hard dilepton 3-jet same-flavour signal region in the two-step first- and second-generation squark simplified model with sleptons.

  • Table 88

    Data from AUX F 8e

    10.17182/hepdata.66986.v1/t88

    Acceptance for hard dilepton low-multiplicity opposite-flavour signal region in the two-step first- and second-generation squark simplified model with sleptons.

  • Table 89

    Data from AUX F 8f

    10.17182/hepdata.66986.v1/t89

    Efficiency for hard dilepton low-multiplicity opposite-flavour signal region in the two-step first- and second-generation squark simplified model with sleptons.

  • Table 90

    Data from AUX F 8g

    10.17182/hepdata.66986.v1/t90

    Acceptance for hard dilepton low-multiplicity same-flavour signal region in the two-step first- and second-generation squark simplified model with sleptons.

  • Table 91

    Data from AUX F 8h

    10.17182/hepdata.66986.v1/t91

    Efficiency for hard dilepton low-multiplicity same-flavour signal region in the two-step first- and second-generation squark simplified model with sleptons.

  • Table 92

    Data from AUX F 9

    10.17182/hepdata.66986.v1/t92

    Best expected signal region in the minimal UED model (mUED).

  • Table 93

    Data from AUX F 10a

    10.17182/hepdata.66986.v1/t93

    Expected CLs from hard dilepton analysis in the two-step first- and second-generation squark simplified model with sleptons.

  • Table 94

    Data from AUX F 10b

    10.17182/hepdata.66986.v1/t94

    Observed CLs from the hard dilepton analysis in the two-step first- and second-generation squark simplified model with sleptons.

  • Table 95

    Data from AUX F 11a

    10.17182/hepdata.66986.v1/t95

    Expected CLs from the combination of the soft dimuon and hard dilepton analyses in the minimal UED model (mUED).

  • Table 96

    Data from AUX F 11b

    10.17182/hepdata.66986.v1/t96

    Observed CLs from the combination of the soft dimuon and hard dilepton analyses in the minimal UED model (mUED).

  • Table 97

    Data from AUX F 12a

    10.17182/hepdata.66986.v1/t97

    Acceptance for hard single-lepton 3-jet signal region in the gluino simplified model for the case in which the chargino mass...

  • Table 98

    Data from AUX F 12b

    10.17182/hepdata.66986.v1/t98

    Efficiency for hard single-lepton 3-jet signal region in the gluino simplified model for the case in which the chargino mass...

  • Table 99

    Data from AUX F 12c

    10.17182/hepdata.66986.v1/t99

    Acceptance for hard single-lepton 5-jet signal region in the gluino simplified model for the case in which the chargino mass...

  • Table 100

    Data from AUX F 12d

    10.17182/hepdata.66986.v1/t100

    Efficiency for hard single-lepton 5-jet signal region in the gluino simplified model for the case in which the chargino mass...

  • Table 101

    Data from AUX F 12e

    10.17182/hepdata.66986.v1/t101

    Acceptance for hard single-lepton 6-jet signal region in the gluino simplified model for the case in which the chargino mass...

  • Table 102

    Data from AUX F 12f

    10.17182/hepdata.66986.v1/t102

    Efficiency for hard single-lepton 6-jet signal region in the gluino simplified model for the case in which the chargino mass...

  • Table 103

    Data from AUX F 13a

    10.17182/hepdata.66986.v1/t103

    Acceptance for hard single-lepton 3-jet signal region in the first- and second-generation squark simplified model for the case in which...

  • Table 104

    Data from AUX F 13b

    10.17182/hepdata.66986.v1/t104

    Efficiency for hard single-lepton 3-jet signal region in the first- and second-generation squark simplified model for the case in which...

  • Table 105

    Data from AUX F 13c

    10.17182/hepdata.66986.v1/t105

    Acceptance for hard single-lepton 5-jet signal region in the first- and second-generation squark simplified model for the case in which...

  • Table 106

    Data from AUX F 13d

    10.17182/hepdata.66986.v1/t106

    Efficiency for hard single-lepton 5-jet signal region in the first- and second-generation squark simplified model for the case in which...

  • Table 107

    Data from AUX F 13e

    10.17182/hepdata.66986.v1/t107

    Acceptance for hard single-lepton 6-jet signal region in the first- and second-generation squark simplified model for the case in which...

  • Table 108

    Data from AUX F 13f

    10.17182/hepdata.66986.v1/t108

    Efficiency for hard single-lepton 6-jet signal region in the first- and second-generation squark simplified model for the case in which...

  • Table 109

    Data from AUX F 14a

    10.17182/hepdata.66986.v1/t109

    Observed 95% upper limit on the visible cross-section in the gluino simplified model from the combination of the soft single-lepton...

  • Table 110

    Data from AUX F 14b

    10.17182/hepdata.66986.v1/t110

    Observed 95% upper limit on the visible cross-section in the first- and second-generation squark simplified model from the combination of...

  • Table 111

    Data from AUX F 15

    10.17182/hepdata.66986.v1/t111

    Observed 95% upper limit on the visible cross-section in the first- and second-generation squark simplified model with sleptons from the...

  • Table 112

    Data from AUX F 16

    10.17182/hepdata.66986.v1/t112

    Observed 95% upper limit on the visible cross-section in the minimal UED model (mUED) from the combination of the soft...

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