Search for supersymmetry in proton-proton collisions at 13 TeV in final states with jets and missing transverse momentum

The CMS collaboration
JHEP 10 (2019) 244 , 2019.

Abstract (data abstract)
Results are reported from a search for supersymmetric particles in the final state with multiple jets and large missing transverse momentum. The search uses a sample of proton-proton collisions at $\sqrt{s}=13$ TeV collected with the CMS detector in 2016--2018, corresponding to an integrated luminosity of 137 fb$^{-1}$, representing essentially the full LHC Run 2 data sample. The analysis is performed in a four-dimensional search region defined in terms of the number of jets, the number of tagged bottom quark jets, the scalar sum of jet transverse momenta, and the magnitude of the vector sum of jet transverse momenta. No significant excess in the event yield is observed relative to the expected background contributions from standard model processes. Limits on the pair production of gluinos and squarks are obtained in the framework of simplified models for supersymmetric particle production and decay processes. Assuming the lightest supersymmetric particle to be a neutralino, lower limits on the gluino mass as large as 2000 to 2310 GeV are obtained at $95\%$ confidence level, while lower limits on the squark mass as large as 1190 to 1630 GeV are obtained, depending on the production scenario.

  • Yields and pre-fit BG, Njets 2-3

    Data from Table 3

    10.17182/hepdata.90835.v1/t1

    Observed yields and pre-fit background predictions for Njets 2-3.

  • Yields and pre-fit BG, Njets 4-5

    Data from Table 4

    10.17182/hepdata.90835.v1/t2

    Observed yields and pre-fit background predictions for Njets 4-5.

  • Yields and pre-fit BG, Njets 6-7

    Data from Table 5

    10.17182/hepdata.90835.v1/t3

    Observed yields and pre-fit background predictions for Njets 6-7.

  • Yields and pre-fit BG, Njets 8-9

    Data from Table 6

    10.17182/hepdata.90835.v1/t4

    Observed yields and pre-fit background predictions for Njets 8-9.

  • Yields and pre-fit BG, Njets >=10

    Data from Table 7

    10.17182/hepdata.90835.v1/t5

    Observed yields and pre-fit background predictions for Njets >=10.

  • Yields and pre-fit BG, aggregated bins

    Data from Table 9

    10.17182/hepdata.90835.v1/t6

    Observed yields and pre-fit background predictions for aggregated bins.

  • Covariance matrix

    Data from Additional Figure 7a.

    10.17182/hepdata.90835.v1/t7

    Pre-fit background covariance matrix $\sigma_{xy}$ for the 174 analysis bins.

  • Correlation matrix

    Data from Additional Figure 7b.

    10.17182/hepdata.90835.v1/t8

    Pre-fit background correlation matrix $\rho_{xy}$ for the 174 analysis bins.

  • Yields and post-fit BG, Njets 2-3

    Data from Additional Table 1

    10.17182/hepdata.90835.v1/t9

    Observed yields and post-fit background predictions for Njets 2-3.

  • Yields and post-fit BG, Njets 4-5

    Data from Additional Table 2

    10.17182/hepdata.90835.v1/t10

    Observed yields and post-fit background predictions for Njets 4-5.

  • Yields and post-fit BG, Njets 6-7

    Data from Additional Table 3

    10.17182/hepdata.90835.v1/t11

    Observed yields and post-fit background predictions for Njets 6-7.

  • Yields and post-fit BG, Njets 8-9

    Data from Additional Table 4

    10.17182/hepdata.90835.v1/t12

    Observed yields and post-fit background predictions for Njets 8-9.

  • Yields and post-fit BG, Njets >=10

    Data from Additional Table 5

    10.17182/hepdata.90835.v1/t13

    Observed yields and post-fit background predictions for Njets >=10.

  • Aggregate SR yields, gluinos, light LSP

    Data from Additional Table 7-a

    10.17182/hepdata.90835.v1/t14

    Simulated signal yields for representative gluino signal model light-LSP points in the aggregate search regions. The uncertainties shown are statistical.

  • Aggregate SR yields, gluinos, compressed

    Data from Additional Table 7-b

    10.17182/hepdata.90835.v1/t15

    Simulated signal yields for representative gluino signal model compressed points in the aggregate search regions. The uncertainties shown are statistical.

  • Aggregate SR yields, squarks, light LSP

    Data from Additional Table 8-a

    10.17182/hepdata.90835.v1/t16

    Simulated signal yields for representative squark signal model light-LSP points in the aggregate search regions. The uncertainties shown are statistical.

  • Aggregate SR yields, squarks, compressed

    Data from Additional Table 8-b

    10.17182/hepdata.90835.v1/t17

    Simulated signal yields for representative squark signal model compressed points in the aggregate search regions. The uncertainties shown are statistical.

  • T1tttt cross section upper limits

    Data from Figure 13a.

    10.17182/hepdata.90835.v1/t18

    The 95% CL observed and expected upper limits on the production cross sections of the T1tttt signal model as a...

  • T1tttt observed mass limit curve

    Data from Figure 13a.

    10.17182/hepdata.90835.v1/t19

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections

  • T1tttt observed + 1 s.d.(theory) mass limit curve

    Data from Figure 13a.

    10.17182/hepdata.90835.v1/t20

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections

  • T1tttt observed - 1 s.d.(theory) mass limit curve

    Data from Figure 13a.

    10.17182/hepdata.90835.v1/t21

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections

  • T1tttt expected mass limit curve

    Data from Figure 13a.

    10.17182/hepdata.90835.v1/t22

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections

  • T1tttt expected + 1 s.d. mass limit curve

    Data from Figure 13a.

    10.17182/hepdata.90835.v1/t23

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections

  • T1tttt expected - 1 s.d. mass limit curve

    Data from Figure 13a.

    10.17182/hepdata.90835.v1/t24

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections

  • T1bbbb cross section upper limits

    Data from Figure 13b.

    10.17182/hepdata.90835.v1/t25

    The 95% CL observed and expected upper limits on the production cross sections of the T1bbbb signal model as a...

  • T1bbbb observed mass limit curve

    Data from Figure 13b.

    10.17182/hepdata.90835.v1/t26

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections

  • T1bbbb observed + 1 s.d.(theory) mass limit curve

    Data from Figure 13b.

    10.17182/hepdata.90835.v1/t27

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections

  • T1bbbb observed - 1 s.d.(theory) mass limit curve

    Data from Figure 13b.

    10.17182/hepdata.90835.v1/t28

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections

  • T1bbbb expected mass limit curve

    Data from Figure 13b.

    10.17182/hepdata.90835.v1/t29

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections

  • T1bbbb expected + 1 s.d. mass limit curve

    Data from Figure 13b.

    10.17182/hepdata.90835.v1/t30

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections

  • T1bbbb expected - 1 s.d. mass limit curve

    Data from Figure 13b.

    10.17182/hepdata.90835.v1/t31

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections

  • T1qqqq cross section upper limits

    Data from Figure 13c.

    10.17182/hepdata.90835.v1/t32

    The 95% CL observed and expected upper limits on the production cross sections of the T1qqqq signal model as a...

  • T1qqqq observed mass limit curve

    Data from Figure 13c.

    10.17182/hepdata.90835.v1/t33

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections

  • T1qqqq observed + 1 s.d.(theory) mass limit curve

    Data from Figure 13c.

    10.17182/hepdata.90835.v1/t34

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections

  • T1qqqq observed - 1 s.d.(theory) mass limit curve

    Data from Figure 13c.

    10.17182/hepdata.90835.v1/t35

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections

  • T1qqqq expected mass limit curve

    Data from Figure 13c.

    10.17182/hepdata.90835.v1/t36

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections

  • T1qqqq expected + 1 s.d. mass limit curve

    Data from Figure 13c.

    10.17182/hepdata.90835.v1/t37

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections

  • T1qqqq expected - 1 s.d. mass limit curve

    Data from Figure 13c.

    10.17182/hepdata.90835.v1/t38

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections

  • T5qqqqVV cross section upper limits

    Data from Figure 13d.

    10.17182/hepdata.90835.v1/t39

    The 95% CL observed and expected upper limits on the production cross sections of the T5qqqqVV signal model as a...

  • T5qqqqVV observed mass limit curve

    Data from Figure 13d.

    10.17182/hepdata.90835.v1/t40

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections

  • T5qqqqVV observed + 1 s.d.(theory) mass limit curve

    Data from Figure 13d.

    10.17182/hepdata.90835.v1/t41

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections

  • T5qqqqVV observed - 1 s.d.(theory) mass limit curve

    Data from Figure 13d.

    10.17182/hepdata.90835.v1/t42

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections

  • T5qqqqVV expected mass limit curve

    Data from Figure 13d.

    10.17182/hepdata.90835.v1/t43

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections

  • T5qqqqVV expected + 1 s.d. mass limit curve

    Data from Figure 13d.

    10.17182/hepdata.90835.v1/t44

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections

  • T5qqqqVV expected - 1 s.d. mass limit curve

    Data from Figure 13d.

    10.17182/hepdata.90835.v1/t45

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections

  • T2tt cross section upper limits

    Data from Figure 14a.

    10.17182/hepdata.90835.v1/t46

    The 95% CL observed and expected upper limits on the production cross sections of the T2tt signal model as a...

  • T2tt observed mass limit curve

    Data from Figure 14a.

    10.17182/hepdata.90835.v1/t47

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections

  • T2tt observed + 1 s.d.(theory) mass limit curve

    Data from Figure 14a.

    10.17182/hepdata.90835.v1/t48

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections

  • T2tt observed - 1 s.d.(theory) mass limit curve

    Data from Figure 14a.

    10.17182/hepdata.90835.v1/t49

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections

  • T2tt expected mass limit curve

    Data from Figure 14a.

    10.17182/hepdata.90835.v1/t50

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections

  • T2tt expected + 1 s.d. mass limit curve

    Data from Figure 14a.

    10.17182/hepdata.90835.v1/t51

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections

  • T2tt expected - 1 s.d. mass limit curve

    Data from Figure 14a.

    10.17182/hepdata.90835.v1/t52

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections

  • T2bb cross section upper limits

    Data from Figure 14b.

    10.17182/hepdata.90835.v1/t53

    The 95% CL observed and expected upper limits on the production cross sections of the T2bb signal model as a...

  • T2bb observed mass limit curve

    Data from Figure 14b.

    10.17182/hepdata.90835.v1/t54

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections

  • T2bb observed + 1 s.d.(theory) mass limit curve

    Data from Figure 14b.

    10.17182/hepdata.90835.v1/t55

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections

  • T2bb observed - 1 s.d.(theory) mass limit curve

    Data from Figure 14b.

    10.17182/hepdata.90835.v1/t56

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections

  • T2bb expected mass limit curve

    Data from Figure 14b.

    10.17182/hepdata.90835.v1/t57

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections

  • T2bb expected + 1 s.d. mass limit curve

    Data from Figure 14b.

    10.17182/hepdata.90835.v1/t58

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections

  • T2bb expected - 1 s.d. mass limit curve

    Data from Figure 14b.

    10.17182/hepdata.90835.v1/t59

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections

  • T2qq cross section upper limits

    Data from Figure 14c.

    10.17182/hepdata.90835.v1/t60

    The 95% CL observed and expected upper limits on the production cross sections of the T2qq signal model as a...

  • T2qq observed mass limit curve

    Data from Figure 14c.

    10.17182/hepdata.90835.v1/t61

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections (u d s c)

  • T2qq observed + 1 s.d.(theory) mass limit curve

    Data from Figure 14c.

    10.17182/hepdata.90835.v1/t62

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections (u d s c)

  • T2qq observed - 1 s.d.(theory) mass limit curve

    Data from Figure 14c.

    10.17182/hepdata.90835.v1/t63

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections (u d s c)

  • T2qq expected mass limit curve

    Data from Figure 14c.

    10.17182/hepdata.90835.v1/t64

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections (u d s c)

  • T2qq expected + 1 s.d. mass limit curve

    Data from Figure 14c.

    10.17182/hepdata.90835.v1/t65

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections (u d s c)

  • T2qq expected - 1 s.d. mass limit curve

    Data from Figure 14c.

    10.17182/hepdata.90835.v1/t66

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections (u d s c)

  • T2qq (1 flavor) observed mass limit curve

    Data from Figure 14c.

    10.17182/hepdata.90835.v1/t67

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections (u d s c)

  • T2qq (1 flavor) observed + 1 s.d.(theory) mass limit curve

    Data from Figure 14c.

    10.17182/hepdata.90835.v1/t68

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections (single flavor)

  • T2qq (1 flavor) observed - 1 s.d.(theory) mass limit curve

    Data from Figure 14c.

    10.17182/hepdata.90835.v1/t69

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections (single flavor)

  • T2qq (1 flavor) expected mass limit curve

    Data from Figure 14c.

    10.17182/hepdata.90835.v1/t70

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections (single flavor)

  • T2qq (1 flavor) expected + 1 s.d. mass limit curve

    Data from Figure 14c.

    10.17182/hepdata.90835.v1/t71

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections (single flavor)

  • T2qq (1 flavor) expected - 1 s.d. mass limit curve

    Data from Figure 14c.

    10.17182/hepdata.90835.v1/t72

    Exclusion limits assuming the approximate-NNLO+NNLL cross sections (single flavor)

  • T1tttt significance

    Data from Additional Figure 3a.

    10.17182/hepdata.90835.v1/t73

    The observed significance of the SMS models for T1tttt as function of the gluino and LSP masses.

  • T1bbbb significance

    Data from Additional Figure 3b.

    10.17182/hepdata.90835.v1/t74

    The observed significance of the SMS models for T1bbbb as function of the gluino and LSP masses.

  • T1qqqq significance

    Data from Additional Figure 3c.

    10.17182/hepdata.90835.v1/t75

    The observed significance of the SMS models for T1qqqq as function of the gluino and LSP masses.

  • T5qqqqVV significance

    Data from Additional Figure 3d.

    10.17182/hepdata.90835.v1/t76

    The observed significance of the SMS models for T5qqqqVV as function of the gluino and LSP masses.

  • T2tt significance

    Data from Additional Figure 4a.

    10.17182/hepdata.90835.v1/t77

    The observed significance of the SMS models for T2tt as function of the top squark and LSP masses.

  • T2bb significance

    Data from Additional Figure 4b.

    10.17182/hepdata.90835.v1/t78

    The observed significance of the SMS models for T2bb as function of the bottom squark and LSP masses.

  • T2qq significance

    Data from Additional Figure 4c.

    10.17182/hepdata.90835.v1/t79

    The observed significance of the SMS models for T2qq as function of the LSP and light squark masses.

  • T1tttt efficiency

    Data from Additional Figure 5a.

    10.17182/hepdata.90835.v1/t80

    The efficiency times acceptance of the SMS models for T1tttt as function of the gluino and LSP masses. The efficiency...

  • T1bbbb efficiency

    Data from Additional Figure 5b.

    10.17182/hepdata.90835.v1/t81

    The efficiency times acceptance of the SMS models for T1bbbb as function of the gluino and LSP masses. The efficiency...

  • T1qqqq efficiency

    Data from Additional Figure 5c.

    10.17182/hepdata.90835.v1/t82

    The efficiency times acceptance of the SMS models for T1qqqq as function of the gluino and LSP masses. The efficiency...

  • T5qqqqVV efficiency

    Data from Additional Figure 5d.

    10.17182/hepdata.90835.v1/t83

    The efficiency times acceptance of the SMS models for T5qqqqVV as function of the gluino and LSP masses. The efficiency...

  • T2tt efficiency

    Data from Additional Figure 6a.

    10.17182/hepdata.90835.v1/t84

    The efficiency times acceptance of the SMS models for T2tt as function of the top squark and LSP masses. The...

  • T2bb efficiency

    Data from Additional Figure 6b.

    10.17182/hepdata.90835.v1/t85

    The efficiency times acceptance of the SMS models for T2bb as function of the bottom squark and LSP masses. The...

  • T2qq efficiency

    Data from Additional Figure 6c.

    10.17182/hepdata.90835.v1/t86

    The efficiency times acceptance of the SMS models for T2qq as function of the LSP and light squark masses. The...

  • Cut flow, gluinos, light LSP

    Data from Additional Table 9

    10.17182/hepdata.90835.v1/t87

    Absolute cumulative efficiencies in percent for each step of the event selection process, listed for four representative gluino pair production...

  • Cut flow, gluinos, compressed

    Data from Additional Table 10

    10.17182/hepdata.90835.v1/t88

    Absolute cumulative efficiencies in percent for each step of the event selection process, listed for four representative gluino pair production...

  • Cut flow, squarks, light LSP

    Data from Additional Table 11

    10.17182/hepdata.90835.v1/t89

    Absolute cumulative efficiencies in percent for each step of the event selection process, listed for three representative squark pair production...

  • Cut flow, squarks, compressed

    Data from Additional Table 12

    10.17182/hepdata.90835.v1/t90

    Absolute cumulative efficiencies in percent for each step of the event selection process, listed for three representative squark pair production...

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