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Search for pair production of higgsinos in final states with at least three $b$-tagged jets in $\sqrt{s} = 13$ TeV $pp$ collisions using the ATLAS detector
A search for pair production of the supersymmetric partners of the Higgs boson (higgsinos) in gauge-mediated scenarios is reported. Each higgsino is assumed to decay to a Higgs boson and a gravitino. Two complementary analyses, targeting high- and low-mass signals, are performed to maximize sensitivity. The two analyses utilize LHC $pp$ collision data at a center-of-mass energy of 13 TeV, the former with an integrated luminosity of 36.1 fb$^{-1}$ and the latter with 24.3 fb$^{-1}$, collected with the ATLAS detector in 2015 and 2016. The search is performed in events containing missing transverse momentum and several energetic jets, at least three of which must be identified as $b$-quark jets. No significant excess is found above the predicted background. Limits on the cross-section are set as a function of the mass of the higgsino in simplified models assuming production via mass-degenerate higgsinos decaying to a Higgs boson and a gravitino. Higgsinos with masses between 130 and 230 GeV and between 290 and 880 GeV are excluded at the 95% confidence level. Interpretations of the limits in terms of the branching ratio of the higgsino to a $Z$ boson or a Higgs boson are also presented, and a 45% branching ratio to a Higgs boson is excluded for m(higgsino) approximately 400 GeV.
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Distribution of m(h1) for events passing the preselection criteria of the high-mass analysis.
Table 2
Figure 2
10.17182/hepdata.83418.v1/t2
Distribution of effective mass for events passing the preselection criteria of the high-mass analysis.
Table 3
Figure 15
10.17182/hepdata.83418.v1/t3
Exclusion limits on higgsino pair production. The results of the low-mass analysis are used below m(higgsino) = 300 GeV, while...
Table 4
Figure 15
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Exclusion limits on higgsino pair production divided by the theory cross-section.The results of the low-mass analysis are used below m(higgsino)...
Table 5
Figure 15
10.17182/hepdata.83418.v1/t5
Observed and expected 95% limits in the m(higgsino) vs BR(higgsino to higgs+gravitino) plane. The regions above the lines are excluded...
Table 6
Auxiliary Figure 2
10.17182/hepdata.83418.v1/t6
The observed and expected 95% upper limits on the total pair production cross section for degenerate higgsinos as a function...
Table 7
Auxiliary Figure 2
10.17182/hepdata.83418.v1/t7
The observed and expected 95% upper limits on the total pair production cross section for degenerate higgsinos as a function...
Table 8
Auxiliary Figure 3
10.17182/hepdata.83418.v1/t8
The observed and expected 95% upper limits on the total pair production cross section for degenerate higgsinos as a function...
Table 9
Auxiliary Figure 3
10.17182/hepdata.83418.v1/t9
The observed and expected 95% upper limits on the total pair production cross section for degenerate higgsinos as a function...
Table 10
Auxiliary Figure 5
10.17182/hepdata.83418.v1/t10
Particle-level acceptance for the low-mass discovery signal regions low-SR-MET0-meff440 and low-SR-MET150-meff440, shown as a function of higgsino mass. The acceptance...
Table 11
Auxiliary Figure 6
10.17182/hepdata.83418.v1/t11
The experimental efficiency of the low-mass analysis, for the two discovery signal regions low-SR-MET0-meff440 and low-SR-MET150-meff440, as a function of...
Table 12
Auxiliary Figure 7
10.17182/hepdata.83418.v1/t12
Particle-level acceptance for the high-mass discovery signal regions SR-4b-meff1-A-disc and SR-3b-meff3-A, shown as a function of higgsino mass. The acceptance...
Table 13
Auxiliary Figure 8
10.17182/hepdata.83418.v1/t13
The experimental efficiency of the high-mass analysis, for the two discovery signal regions SR-4b-meff1-A-disc and SR-3b-meff3-A, as a function of...
Table 14
Auxiliary Table 1
10.17182/hepdata.83418.v1/t14
Example cutflow for SR-3b-meff3-A.
Table 15
Auxiliary Table 2
10.17182/hepdata.83418.v1/t15
Example cutflow for SR-4b-meff1-A-disc.
Table 16
Auxiliary Table 3
10.17182/hepdata.83418.v1/t16
Cutflow for low-mass analysis for each signal mass point.
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When using this data, please cite the original publication:
ATLAS
Collaboration
(2018).
Search for pair production of higgsinos in final states with at least three $b$-tagged jets in $\sqrt{s} = 13$ TeV $pp$ collisions using the ATLAS detector. Phys.Rev.D 98 (2018) 092002.
Search for pair production of higgsinos in final states with at least three $b$-tagged jets in $\sqrt{s} = 13$ TeV $pp$ collisions using the ATLAS detector. HEPData (collection).
https://doi.org/10.17182/hepdata.83418
or, if you prefer, a specific version of the
record:
ATLAS
Collaboration
(2018).
Search for pair production of higgsinos in final states with at least three $b$-tagged jets in $\sqrt{s} = 13$ TeV $pp$ collisions using the ATLAS detector (Version 1). HEPData (collection).
https://doi.org/10.17182/hepdata.83418.v1
You can also cite the 16 data
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Data tables
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ATLAS
Collaboration
(2018).
“Table 1” of “Search for pair production of higgsinos in final states with at least three $b$-tagged jets in $\sqrt{s} = 13$ TeV $pp$ collisions using the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.83418.v1/t1
ATLAS
Collaboration
(2018).
“Table 2” of “Search for pair production of higgsinos in final states with at least three $b$-tagged jets in $\sqrt{s} = 13$ TeV $pp$ collisions using the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.83418.v1/t2
ATLAS
Collaboration
(2018).
“Table 3” of “Search for pair production of higgsinos in final states with at least three $b$-tagged jets in $\sqrt{s} = 13$ TeV $pp$ collisions using the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.83418.v1/t3
ATLAS
Collaboration
(2018).
“Table 4” of “Search for pair production of higgsinos in final states with at least three $b$-tagged jets in $\sqrt{s} = 13$ TeV $pp$ collisions using the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.83418.v1/t4
ATLAS
Collaboration
(2018).
“Table 5” of “Search for pair production of higgsinos in final states with at least three $b$-tagged jets in $\sqrt{s} = 13$ TeV $pp$ collisions using the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.83418.v1/t5
ATLAS
Collaboration
(2018).
“Table 6” of “Search for pair production of higgsinos in final states with at least three $b$-tagged jets in $\sqrt{s} = 13$ TeV $pp$ collisions using the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.83418.v1/t6
ATLAS
Collaboration
(2018).
“Table 7” of “Search for pair production of higgsinos in final states with at least three $b$-tagged jets in $\sqrt{s} = 13$ TeV $pp$ collisions using the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.83418.v1/t7
ATLAS
Collaboration
(2018).
“Table 8” of “Search for pair production of higgsinos in final states with at least three $b$-tagged jets in $\sqrt{s} = 13$ TeV $pp$ collisions using the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.83418.v1/t8
ATLAS
Collaboration
(2018).
“Table 9” of “Search for pair production of higgsinos in final states with at least three $b$-tagged jets in $\sqrt{s} = 13$ TeV $pp$ collisions using the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.83418.v1/t9
ATLAS
Collaboration
(2018).
“Table 10” of “Search for pair production of higgsinos in final states with at least three $b$-tagged jets in $\sqrt{s} = 13$ TeV $pp$ collisions using the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.83418.v1/t10
ATLAS
Collaboration
(2018).
“Table 11” of “Search for pair production of higgsinos in final states with at least three $b$-tagged jets in $\sqrt{s} = 13$ TeV $pp$ collisions using the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.83418.v1/t11
ATLAS
Collaboration
(2018).
“Table 12” of “Search for pair production of higgsinos in final states with at least three $b$-tagged jets in $\sqrt{s} = 13$ TeV $pp$ collisions using the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.83418.v1/t12
ATLAS
Collaboration
(2018).
“Table 13” of “Search for pair production of higgsinos in final states with at least three $b$-tagged jets in $\sqrt{s} = 13$ TeV $pp$ collisions using the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.83418.v1/t13
ATLAS
Collaboration
(2018).
“Table 14” of “Search for pair production of higgsinos in final states with at least three $b$-tagged jets in $\sqrt{s} = 13$ TeV $pp$ collisions using the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.83418.v1/t14
ATLAS
Collaboration
(2018).
“Table 15” of “Search for pair production of higgsinos in final states with at least three $b$-tagged jets in $\sqrt{s} = 13$ TeV $pp$ collisions using the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.83418.v1/t15
ATLAS
Collaboration
(2018).
“Table 16” of “Search for pair production of higgsinos in final states with at least three $b$-tagged jets in $\sqrt{s} = 13$ TeV $pp$ collisions using the ATLAS detector” (Version 1). HEPData (dataset).
https://doi.org/10.17182/hepdata.83418.v1/t16
Additional resources
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ATLAS
Collaboration
(2018).
“ThreeBjetsEWK2016.cxx” of “Search for pair production of higgsinos in final states with at least three $b$-tagged jets in $\sqrt{s} = 13$ TeV $pp$ collisions using the ATLAS detector” (Version 1). HEPData (other).
https://doi.org/10.17182/hepdata.83418.v1/r1
ATLAS
Collaboration
(2018).
“HHMEtLowMass2016.cxx” of “Search for pair production of higgsinos in final states with at least three $b$-tagged jets in $\sqrt{s} = 13$ TeV $pp$ collisions using the ATLAS detector” (Version 1). HEPData (other).
https://doi.org/10.17182/hepdata.83418.v1/r2
ATLAS
Collaboration
(2018).
“SLHA.dat” of “Search for pair production of higgsinos in final states with at least three $b$-tagged jets in $\sqrt{s} = 13$ TeV $pp$ collisions using the ATLAS detector” (Version 1). HEPData (other).
https://doi.org/10.17182/hepdata.83418.v1/r3
When using this data, please cite the original publication:
ATLAS
Collaboration
(2018).
Search for pair production of higgsinos in final states with at least three $b$-tagged jets in $\sqrt{s} = 13$ TeV $pp$ collisions using the ATLAS detector. Phys.Rev.D 98 (2018) 092002.
or, if you prefer, a specific version of the
record:
You can also cite the 16 data
tables
or the 3 additional
resources
individually.
Data tables
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Additional resources
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