HEPData

Abstract (data abstract)

CERN-LHC. Results of a search for decays of massive particles to fully hadronic final states are presented. This search uses 20.3 fb$^{-1}$ of data collected by the ATLAS detector in $\sqrt{s} = 8$ TeV proton--proton collisions at the LHC. Signatures based on high jet multiplicities without requirements on the missing transverse momentum are used to search for $R$-parity-violating supersymmetric gluino pair production with subsequent decays to quarks. The analysis is performed using a requirement on the number of jets, in combination with separate requirements on the number of b-tagged jets, as well as a topological observable formed from the scalar sum of the mass values of large-radius jets in the event. Results are interpreted in the context of all possible branching ratios of direct gluino decays to various quark flavors. No significant deviation is observed from the expected Standard Model backgrounds estimated using jet-counting as well as data-driven templates of the total-jet-mass spectra. Gluino pair decays to ten or more quarks via intermediate neutralinos are excluded for a gluino with mass $m_{\tilde{g}} < 1$ TeV for a neutralino mass $m_{\tilde{\chi}^0_1} = 500$ GeV. Direct gluino decays to six quarks are excluded for $m_{\tilde{g}} < 917$ GeV for light-flavor final states, and results for various flavor hypotheses are presented.

Table 1

Data from Fig 4a

10.17182/hepdata.68641.v1/t1

Expected and observed event yields for signal regions with at least 6 jets as a function of transverse momentum requirements.
https://www.hepdata.net/record/data/60755yaml https://www.hepdata.net/record/data/60755/csvcsv
Table 2

Data from Fig 4b

10.17182/hepdata.68641.v1/t2

Expected and observed event yields for signal regions with at least 6 jets with at least 1 b-tag as a...
https://www.hepdata.net/record/data/60758yaml https://www.hepdata.net/record/data/60758/csvcsv
Table 3

Data from Fig 4c

10.17182/hepdata.68641.v1/t3

Expected and observed event yields for signal regions with at least 6 jets with at least 2 b-tags as a...
https://www.hepdata.net/record/data/60760yaml https://www.hepdata.net/record/data/60760/csvcsv
Table 4

Data from Fig 4d

10.17182/hepdata.68641.v1/t4

Expected and observed event yields for signal regions with at least 7 jets as a function of transverse momentum requirements.
https://www.hepdata.net/record/data/60762yaml https://www.hepdata.net/record/data/60762/csvcsv
Table 5

Data from Fig 4e

10.17182/hepdata.68641.v1/t5

Expected and observed event yields for signal regions with at least 7 jets with at least 1 b-tag as a...
https://www.hepdata.net/record/data/60765yaml https://www.hepdata.net/record/data/60765/csvcsv
Table 6

Data from Fig 4f

10.17182/hepdata.68641.v1/t6

Expected and observed event yields for signal regions with at least 7 jets with at least 2 b-tags as a...
https://www.hepdata.net/record/data/60767yaml https://www.hepdata.net/record/data/60767/csvcsv
Table 7

Data from Tab 2

10.17182/hepdata.68641.v1/t7

Table showing the predicted yields in the SM and observed number of events in SR1 as well as all signal...
https://www.hepdata.net/record/data/60768yaml https://www.hepdata.net/record/data/60768/csvcsv
Table 8

Data from Tab 3

10.17182/hepdata.68641.v1/t8

Table showing the predicted yields in the SM and observed number of events in SR100 as well as three representative...
https://www.hepdata.net/record/data/60770yaml https://www.hepdata.net/record/data/60770/csvcsv
Table 9

Data from Tab 4

10.17182/hepdata.68641.v1/t9

Table showing the predicted yields in the SM and observed number of events in SR250 as well as three representative...
https://www.hepdata.net/record/data/60772yaml https://www.hepdata.net/record/data/60772/csvcsv
Table 10

Data from Fig 9

10.17182/hepdata.68641.v1/t10

Expected 95% CL exclusion contour using the best expected limit from SR100 or SR250.
https://www.hepdata.net/record/data/60773yaml https://www.hepdata.net/record/data/60773/csvcsv
Table 11

Data from Fig 9

10.17182/hepdata.68641.v1/t11

Observed 95% CL exclusion contour using the best expected limit from SR100 or SR250.
https://www.hepdata.net/record/data/60774yaml https://www.hepdata.net/record/data/60774/csvcsv
Table 12

Data from Fig 14a

10.17182/hepdata.68641.v1/t12

Expected 95% CL exclusion contour using the best expected limit from the jet-counting analysis when using signal regions without b-tag...
https://www.hepdata.net/record/data/60776yaml https://www.hepdata.net/record/data/60776/csvcsv
Table 13

Data from Fig 14a

10.17182/hepdata.68641.v1/t13

Observed 95% CL exclusion contour using the best expected limit from the jet-counting analysis when using signal regions without b-tag...
https://www.hepdata.net/record/data/60778yaml https://www.hepdata.net/record/data/60778/csvcsv
Table 14

Data from Fig 14b

10.17182/hepdata.68641.v1/t14

Expected 95% CL exclusion contour using the best expected limit from the jet-counting analysis when allowing b-tags.
https://www.hepdata.net/record/data/60780yaml https://www.hepdata.net/record/data/60780/csvcsv
Table 15

Data from Fig 14b

10.17182/hepdata.68641.v1/t15

Observed 95% CL exclusion contour using the best expected limit from the jet-counting analysis when allowing b-tags.
https://www.hepdata.net/record/data/60782yaml https://www.hepdata.net/record/data/60782/csvcsv
Table 16

Data from Aux Fig 13a

10.17182/hepdata.68641.v1/t16

Observed cross-section exclusion in units of pb at 95% C.L., in the gluino/neutralino mass plane, for the resolved analysis when...
https://www.hepdata.net/record/data/60784yaml https://www.hepdata.net/record/data/60784/csvcsv
Table 17

Data from Aux Fig 13b

10.17182/hepdata.68641.v1/t17

Observed cross-section exclusion in units of pb at 95% C.L., in the gluino/neutralino mass plane, for the resolved analysis when...
https://www.hepdata.net/record/data/60786yaml https://www.hepdata.net/record/data/60786/csvcsv
Table 18

Data from Aux Fig 18a

10.17182/hepdata.68641.v1/t18

Observed cross-section exclusion in units of pb at 95% C.L., in the gluino/neutralino mass plane, for the merged analysis, when...
https://www.hepdata.net/record/data/60789yaml https://www.hepdata.net/record/data/60789/csvcsv
Table 19

Data from Aux Fig 18a

10.17182/hepdata.68641.v1/t19

Expected exclusion contour at 95% C.L., in the gluino/neutralino mass plane, for the merged analysis, when SR1 is used for...
https://www.hepdata.net/record/data/60790yaml https://www.hepdata.net/record/data/60790/csvcsv
Table 20

Data from Aux Fig 18a

10.17182/hepdata.68641.v1/t20

Observed exclusion contour at 95% C.L., in the gluino/neutralino mass plane, for the merged analysis, when SR1 is used for...
https://www.hepdata.net/record/data/60791yaml https://www.hepdata.net/record/data/60791/csvcsv
Table 21

Data from Aux Fig 18b

10.17182/hepdata.68641.v1/t21

Observed cross-section exclusion in units of pb at 95% C.L., in the gluino/neutralino mass plane, for the merged analysis, when...
https://www.hepdata.net/record/data/60792yaml https://www.hepdata.net/record/data/60792/csvcsv
Table 22

Data from Aux Fig 18b

10.17182/hepdata.68641.v1/t22

Expected exclusion contour at 95% C.L., in the gluino/neutralino mass plane, for the merged analysis, when SR100 is used for...
https://www.hepdata.net/record/data/60794yaml https://www.hepdata.net/record/data/60794/csvcsv
Table 23

Data from Aux Fig 18b

10.17182/hepdata.68641.v1/t23

Observed exclusion contour at 95% C.L., in the gluino/neutralino mass plane, for the merged analysis, when SR100 is used for...
https://www.hepdata.net/record/data/60795yaml https://www.hepdata.net/record/data/60795/csvcsv
Table 24

Data from Aux Fig 18c

10.17182/hepdata.68641.v1/t24

Observed cross-section exclusion in units of pb at 95% C.L., in the gluino/neutralino mass plane, for the merged analysis, when...
https://www.hepdata.net/record/data/60796yaml https://www.hepdata.net/record/data/60796/csvcsv
Table 25

Data from Aux Fig 18c

10.17182/hepdata.68641.v1/t25

Expected exclusion contour at 95% C.L., in the gluino/neutralino mass plane, for the merged analysis, when SR250 is used for...
https://www.hepdata.net/record/data/60797yaml https://www.hepdata.net/record/data/60797/csvcsv
Table 26

Data from Aux Fig 18c

10.17182/hepdata.68641.v1/t26

Observed exclusion contour at 95% C.L., in the gluino/neutralino mass plane, for the merged analysis, when SR250 is used for...
https://www.hepdata.net/record/data/60799yaml https://www.hepdata.net/record/data/60799/csvcsv
Table 27

Data from Aux Fig 18d

10.17182/hepdata.68641.v1/t27

Observed cross-section exclusion in units of pb at 95% C.L., in the gluino/neutralino mass plane, for the merged analysis, when...
https://www.hepdata.net/record/data/60800yaml https://www.hepdata.net/record/data/60800/csvcsv
Table 28

10.17182/hepdata.68641.v1/t28

Acceptance times efficiency in the gluino/neutralino mass plane, when SR1 is used in each point.
https://www.hepdata.net/record/data/60802yaml https://www.hepdata.net/record/data/60802/csvcsv
Table 29

10.17182/hepdata.68641.v1/t29

Signal acceptance times efficiency for signal regions with at least 7 jets as a function of transverse momentum requirements.
https://www.hepdata.net/record/data/60803yaml https://www.hepdata.net/record/data/60803/csvcsv
Table 30

10.17182/hepdata.68641.v1/t30

Signal acceptance times efficiency for signal regions with at least 7 jets with at least 1 b-tag as a function...
https://www.hepdata.net/record/data/60804yaml https://www.hepdata.net/record/data/60804/csvcsv
Table 31

10.17182/hepdata.68641.v1/t31

Signal acceptance times efficiency for signal regions with at least 7 jets with at least 2 b-tags as a function...
https://www.hepdata.net/record/data/60806yaml https://www.hepdata.net/record/data/60806/csvcsv

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