A statistical combination of ATLAS Run 2 searches for charginos and neutralinos at the LHC

The ATLAS collaboration
Phys.Rev.Lett. 133 (2024) 031802, 2024.

Abstract (data abstract)
Statistical combinations of searches for charginos and neutralinos using various decay channels are performed using $139\,$fb$^{-1}$ of pp collision data at $\sqrt{s}$=13 TeV with the ATLAS detector at the Large Hadron Collider. Searches targeting pure-wino chargino pair production, pure-wino chargino-neutralino production, or higgsino production decaying via Standard Model W, Z, or h bosons are combined to extend the mass reach to the produced SUSY particles by 30-100 GeV. The depth of the sensitivity of the original searches is also improved by the combinations, lowering the 95% CL cross-section upper limits by 15%-40%.

  • Table 1

    Data from Figure 1a

    10.17182/hepdata.149530.v1/t1

    Expected 95% CL exclusion limits on the simplified models of chargino-pair production decaying via W bosons.

  • Table 2

    Data from Figure 1a

    10.17182/hepdata.149530.v1/t2

    $+1\sigma$ expected 95% CL exclusion limits on the simplified models of chargino-pair production decaying via W bosons.

  • Table 3

    Data from Figure 1a

    10.17182/hepdata.149530.v1/t3

    $-1\sigma$ expected 95% CL exclusion limits on the simplified models of chargino-pair production decaying via W bosons.

  • Table 4

    Data from Figure 1a

    10.17182/hepdata.149530.v1/t4

    Observed 95% CL exclusion limits on the simplified models of chargino-pair production decaying via W bosons.

  • Table 5

    Data from Figure 1a

    10.17182/hepdata.149530.v1/t5

    $+1\sigma$ observed 95% CL exclusion limits on the simplified models of chargino-pair production decaying via W bosons.

  • Table 6

    Data from Figure 1a

    10.17182/hepdata.149530.v1/t6

    $-1\sigma$ observed 95% CL exclusion limits on the simplified models of chargino-pair production decaying via W bosons.

  • Table 7

    Data from Figure 1b

    10.17182/hepdata.149530.v1/t7

    Expected 95% CL exclusion limits on the simplified models of chargino--neutralino production decaying via W and Z bosons.

  • Table 8

    Data from Figure 1b

    10.17182/hepdata.149530.v1/t8

    $+1\sigma$ expected 95% CL exclusion limits on the simplified models of chargino--neutralino production decaying via W and Z bosons.

  • Table 9

    Data from Figure 1b

    10.17182/hepdata.149530.v1/t9

    $-1\sigma$ expected 95% CL exclusion limits on the simplified models of chargino--neutralino production decaying via W and Z bosons.

  • Table 10

    Data from Figure 1b

    10.17182/hepdata.149530.v1/t10

    Observed 95% CL exclusion limits on the simplified models of chargino--neutralino production decaying via W and Z bosons.

  • Table 11

    Data from Figure 1b

    10.17182/hepdata.149530.v1/t11

    $+1\sigma$ observed 95% CL exclusion limits on the simplified models of chargino--neutralino production decaying via W and Z bosons.

  • Table 12

    Data from Figure 1b

    10.17182/hepdata.149530.v1/t12

    $-1\sigma$ observed 95% CL exclusion limits on the simplified models of chargino--neutralino production decaying via W and Z bosons.

  • Table 13

    Data from Figure 1c

    10.17182/hepdata.149530.v1/t13

    Expected 95% CL exclusion limits on the simplified models of chargino--neutralino production decaying via W and h bosons.

  • Table 14

    Data from Figure 1c

    10.17182/hepdata.149530.v1/t14

    $+1\sigma$ expected 95% CL exclusion limits on the simplified models of chargino--neutralino production decaying via W and h bosons.

  • Table 15

    Data from Figure 1c

    10.17182/hepdata.149530.v1/t15

    $-1\sigma$ expected 95% CL exclusion limits on the simplified models of chargino--neutralino production decaying via W and h bosons.

  • Table 16

    Data from Figure 1c

    10.17182/hepdata.149530.v1/t16

    Observed 95% CL exclusion limits on the simplified models of chargino--neutralino production decaying via W and h bosons.

  • Table 17

    Data from Figure 1c

    10.17182/hepdata.149530.v1/t17

    $+1\sigma$ observed 95% CL exclusion limits on the simplified models of chargino--neutralino production decaying via W and h bosons.

  • Table 18

    Data from Figure 1c

    10.17182/hepdata.149530.v1/t18

    $-1\sigma$ observed 95% CL exclusion limits on the simplified models of chargino--neutralino production decaying via W and h bosons.

  • Table 19

    Data from Figure 1d

    10.17182/hepdata.149530.v1/t19

    Expected 95% CL exclusion limits on the simplified models of higgsino GGM scenarios.

  • Table 20

    Data from Figure 1d

    10.17182/hepdata.149530.v1/t20

    $+1\sigma$ expected 95% CL exclusion limits on the simplified models of higgsino GGM scenarios.

  • Table 21

    Data from Figure 1d

    10.17182/hepdata.149530.v1/t21

    $-1\sigma$ expected 95% CL exclusion limits on the simplified models of higgsino GGM scenarios.

  • Table 22

    Data from Figure 1d

    10.17182/hepdata.149530.v1/t22

    Observed 95% CL exclusion limits on the simplified models of higgsino GGM scenarios.

  • Table 23

    Data from Figure 1d

    10.17182/hepdata.149530.v1/t23

    $+1\sigma$ observed 95% CL exclusion limits on the simplified models of higgsino GGM scenarios.

  • Table 24

    Data from Figure 1d

    10.17182/hepdata.149530.v1/t24

    $-1\sigma$ observed 95% CL exclusion limits on the simplified models of higgsino GGM scenarios.

  • Table 25

    Data from Auxiliary Figure 4a

    10.17182/hepdata.149530.v1/t25

    Observed upper limit on the signal cross section in fb for the production of $\tilde{\chi}_1^{+}\tilde{\chi}_{1}^{-}$.

  • Table 26

    Data from Auxiliary Figure 4d

    10.17182/hepdata.149530.v1/t26

    The analyses used in combination for each scenario to set limits in models of the production of $\tilde{\chi}_1^{+}\tilde{\chi}_{1}^{-}$.

  • Table 27

    Data from Auxiliary Figure 6a

    10.17182/hepdata.149530.v1/t27

    Observed upper limit on the signal cross section in fb for chargino--neutralino production decaying via W and Z bosons.

  • Table 28

    Data from Auxiliary Figure 6d

    10.17182/hepdata.149530.v1/t28

    The analyses used in combination for each scenario to set limits in models of chargino--neutralino production decaying via W and...

  • Table 29

    Data from Auxilliary Figure 7

    10.17182/hepdata.149530.v1/t29

    Expected 95% CL exclusion limits on the simplified models of chargino--neutralino production decaying via W and Z bosons.

  • Table 30

    Data from Auxilliary Figure 7

    10.17182/hepdata.149530.v1/t30

    $+1\sigma$ expected 95% CL exclusion limits on the simplified models of chargino--neutralino production decaying via W and Z bosons.

  • Table 31

    Data from Auxilliary Figure 7

    10.17182/hepdata.149530.v1/t31

    $-1\sigma$ expected 95% CL exclusion limits on the simplified models of chargino--neutralino production decaying via W and Z bosons.

  • Table 32

    Data from Auxilliary Figure 7

    10.17182/hepdata.149530.v1/t32

    Observed 95% CL exclusion limits on the simplified models of chargino--neutralino production decaying via W and Z bosons.

  • Table 33

    Data from Auxilliary Figure 7

    10.17182/hepdata.149530.v1/t33

    $+1\sigma$ observed 95% CL exclusion limits on the simplified models of chargino--neutralino production decaying via W and Z bosons.

  • Table 34

    Data from Auxilliary Figure 7

    10.17182/hepdata.149530.v1/t34

    $-1\sigma$ observed 95% CL exclusion limits on the simplified models of chargino--neutralino production decaying via W and Z bosons.

  • Table 35

    Data from Auxiliary Figure 9a

    10.17182/hepdata.149530.v1/t35

    Observed upper limit on the signal cross section in fb for chargino--neutralino production decaying via W and h bosons.

  • Table 36

    Data from Auxiliary Figure 9d

    10.17182/hepdata.149530.v1/t36

    The analyses used in combination for each scenario to set limits in models of chargino--neutralino production decaying via W and...

  • Table 37

    Data from Auxiliary Figure 11a

    10.17182/hepdata.149530.v1/t37

    Observed upper limit on the signal cross section in fb for higgsino GGM scenarios.

  • Table 38

    Data from Auxiliary Figure 11d

    10.17182/hepdata.149530.v1/t38

    The analyses used in combination for each scenario to set limits in higgsino GGM scenarios.

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